Différences

Ci-dessous, les différences entre deux révisions de la page.

--- back2root:ibm-pc-ms-dos:interrupts:old:ms_interrupt_list-11-15 [2023/01/05 04:01] – supprimée - modification externe (Unknown date) 127.0.0.1
+++ back2root:ibm-pc-ms-dos:interrupts:old:ms_interrupt_list-11-15 [2023/01/05 04:01] (Version actuelle) – créée - modification externe 127.0.0.1
@@ Ligne 1: / Ligne 1: @@
+====== MSDOS - Interrupt List 11h-20h ======
+===== INT 11 =====
+==== INT 11 - CPU-generated (80486+) - ALIGNMENT CHECK ====
+Bit AC in the EFLAGS register enables this interrupt on a memory reference on a mis-aligned address when in privilege mode 3.
+==== INT 11 - BIOS - GET EQUIPMENT LIST ====
+<code>
+Return: AX = BIOS equipment list word
+	    bits
+	  floppy disk(s) installed (see bits 6-7)
+	  80x87 coprocessor installed
+,3	  number of 16K banks of RAM on motherboard (PC only)
+		  number of 64K banks of RAM on motherboard (XT only)
+	  pointing device installed (PS)
+	  unused (PS)
+-5	  initial video mode
+EGA, VGA, or PGA
+40x25 color
+80x25 color
+80x25 monochrome
+-7	  number of floppies installed less 1 (if bit 0 set)
+	  DMA support installed (PCjr, some Tandy 1000s, 1400LT)
+-11  number of serial ports installed
+	  game port installed
+	  serial printer attached (PCjr)
+		  internal modem installed (PC/Convertible)
+-15 number of parallel ports installed
+</code>
+---Compaq and many other 386/486 machines--
+	EAX bit 23: page tables set so that Weitek coprocessor addressable in
+			real mode
+	    bit 24: Weitek math coprocessor present
+---Compaq Systempro
+	EAX bit 25: internal DMA parallel port available
+: IRQ for internal DMA parallel port (if bit 25 set)
+= IRQ5
+= IRQ7
+,28: parallel port DMA channel
+DMA channel 0
+DMA channel 0 ???
+reserved
+DMA channel 3
+SeeAlso: INT 12
+==== INT 11 - BNU FOSSIL - INSTALLATION CHECK ====
+	AH = BCh
+	DX = 1954h
+Return: AX = 1954h
+	ES:DX -> entry point of driver (instead of INT 14)
+==== INT 11 - WD7000 SDLP interface - EXECUTE GENERIC SCSI COMMAND ====
+	AH = FFh
+	SI = 6A6Ah
+	AL = SCSI Addressing
+	    bits 2-0 SCSI Target LUN (logical unit number)
+	    bits 5-3 SCSI Target ID
+	    bit 7    write flag, set for write operations, clear otherwise
+	CX = bytes of data to be transmitted (max FFF0h)
+	DH = 00h
+	DL = length of SCSI Command Descriptor Block
+	DS:DI -> SCSI Command Descriptor Block
+	ES:BX -> data buffer
+Return: CF set on error
+	    AL = error code
+	CF clear if successful
+Note:	because of busmaster operations with WD7000FASST avoid accessing
+	  video memory directly; check 386 memory manager for VDS support.
+	  The WD7000XTAT works with programmed IO and does not have this
+	  limitation.
+SeeAlso: INT 21/AX=4402"ASPI"
+==== INT 11 - BACK&FORTH (before v1.62) API ====
+	AX = FFFEh
+	CX = FFFEh
+	BX = function
+h installation check
+		Return: AX = 0001h BNFHIGH and BNFLOW both loaded
+			   = 0003h only BNFHIGH loaded
+			   else neither loaded
+h ???
+		Return: DX:AX -> ???
+h ???
+h ???
+h ???
+h ??? switches current PSP segment and stack if BNFLOW has not
+		    yet announced itself installed
+h ???
+		Return: AX = ???
+SeeAlso: INT 12/AX=FFFEh
+===== INT 12 =====
+==== INT 12 - BIOS - GET MEMORY SIZE ====
+Return:	AX = kilobytes of contiguous memory starting at absolute address 00000h
+Note:	this call returns the contents of the word at 0040h:0013h; in PC and
+	  XT, this value is set from the switches on the motherboard
+SeeAlso: INT 11,INT 2F/AX=4A06h
+==== INT 12 - KEYBUI v2.0+ - INSTALLATION CHECK ====
+	CX = 1806h
+Return:	AX = kilobytes of contiguous memory starting at absolute address 00000h
+	CX = 1960h if installed
+Note:	KEYBUI is a resident keyboard driver by Johan Zwiekhorst which allows
+	  accented characters and box drawing on standard QWERTY keyboards; it
+	  also provides break-to-DOS and screen blanking capabilities
+==== INT 12 - PARKER v2.0+ - INSTALLATION CHECK ====
+	CX = 1807h
+Return:	AX = kilobytes of contiguous memory starting at absolute address 00000h
+	CX = 1961h if installed
+Note:	PARKER is an optionally-resident hard disk parking program by Johan
+	  Zwiekhorst
+==== INT 12 - Back&Forth v1.62+ - API ====
+	AX = FFFEh
+	CX = FFFEh
+	BX = function
+h installation check
+		Return: AX = 0001h installed
+			     else  not loaded
+h build program ID list
+		ES:DI -> buffer of at least 100 bytes, to be filled with words
+		Return: AX = number of programs defined
+			ES:DI buffer filled with AX words
+h switch to specified task (task need not be open yet)
+		DX = two-letter program ID
+		Return: AX = 0000h if task undefined
+h ???
+h	???
+h	get version (undoc)
+		Return: AX = version * 100 (v1.71 = 00ABh)
+h ???
+h get open tasks (undoc)
+		ES:DI -> task info buffer (see below)
+		Return: AX = number of open tasks (max 20)
+h	???
+Note:	Back & Forth is a task switcher by Progressive Solutions, Inc.
+SeeAlso: INT 11/AX=FFFEh
+Format of task info buffer:
+Offset	Size	Description
+h 21 BYTEs	ASCIZ task name
+h	BYTE	hotkey shift state (as for INT 16/AH=02h)
+h	WORD	hotkey scan code
+h	WORD	program ID
+===== INT 13 =====
+==== INT 13 - DISK - RESET DISK SYSTEM ====
+	AH = 00h
+	DL = drive (if bit 7 is set both hard disks and floppy disks reset)
+Return: AH = status (see AH=01h)
+	CF clear if successful (returned AH=00h)
+	CF set on error
+Note:	forces controller to recalibrate drive heads (seek to track 0)
+SeeAlso: AH=0Dh,AH=11h,INT 21/AH=0Dh,INT 4E"TI Professional"
+==== INT 13 - DISK - GET STATUS OF LAST OPERATION ====
+	AH = 01h
+	DL = drive (bit 7 set for hard disk)
+Return: CF clear if successful (returned status 00h)
+	CF set on error
+	AH = status of previous operation
+h successful completion
+h invalid function in AH or invalid parameter
+h address mark not found
+h disk write-protected (floppy)
+h sector not found
+h reset failed (hard disk)
+h disk changed (floppy)
+h drive parameter activity failed (hard disk)
+h DMA overrun
+h attempted DMA across 64K boundary
+Ah bad sector detected (hard disk)
+Bh bad track detected (hard disk)
+Ch unsupported track or invalid media
+Dh invalid number of sectors on format (hard disk)
+Eh control data address mark detected (hard disk)
+Fh DMA arbitration level out of range (hard disk)
+h uncorrectable CRC or ECC error on read
+h data ECC corrected (hard disk)
+h controller failure
+h seek failed
+h timeout (not ready)
+	    AAh drive not ready (hard disk)
+	    BBh undefined error (hard disk)
+	    CCh write fault (hard disk)
+	    E0h status register error (hard disk)
+	    FFh sense operation failed (hard disk)
+Note:	some BIOSes return the status in AL; the PS/2 Model 30/286 returns the
+	  status in both AH and AL
+==== INT 13 - DISK - READ SECTOR(S) INTO MEMORY ====
+	AH = 02h
+	AL = number of sectors to read (must be nonzero)
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 0-5)
+	     high two bits of cylinder (bits 6-7, hard disk only)
+	DH = head number
+	DL = drive number (bit 7 set for hard disk)
+	ES:BX -> data buffer
+Return: CF set on error
+	    if AH = 11h (corrected ECC error), AL = burst length
+	CF clear if successful
+	AH = status (see AH=01h)
+	AL = number of sectors transferred
+Notes:	errors on a floppy may be due to the motor failing to spin up quickly
+	  enough; the read should be retried at least three times, resetting
+	  the disk with AH=00h between attempts
+	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+SeeAlso: AH=03h,AH=0Ah
+==== INT 13 - DISK - WRITE DISK SECTOR(S) ====
+	AH = 03h
+	AL = number of sectors to write (must be nonzero)
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 0-5)
+	     high two bits of cylinder (bits 6-7, hard disk only)
+	DH = head number
+	DL = drive number (bit 7 set for hard disk)
+	ES:BX -> data buffer
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+	AL = number of sectors transferred
+Notes:	errors on a floppy may be due to the motor failing to spin up quickly
+	  enough; the write should be retried at least three times, resetting
+	  the disk with AH=00h between attempts
+	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+SeeAlso: AH=02h,AH=0Bh
+==== INT 13 - DISK - VERIFY DISK SECTOR(S) ====
+	AH = 04h
+	AL = number of sectors to verify (must be nonzero)
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 0-5)
+	     high two bits of cylinder (bits 6-7, hard disk only)
+	DH = head number
+	DL = drive number (bit 7 set for hard disk)
+	ES:BX -> data buffer (PC,XT,AT with BIOS prior to 11/15/85)
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+	AL = number of sectors verified
+Notes:	errors on a floppy may be due to the motor failing to spin up quickly
+	  enough; the write should be retried at least three times, resetting
+	  the disk with AH=00h between attempts
+	this function does not compare the disk with memory, it merely
+	  checks whether the sector's stored CRC matches the data's actual CRC
+	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+SeeAlso: AH=02h
+==== INT 13 - FLOPPY - FORMAT TRACK ====
+	AH = 05h
+	AL = number of sectors to format
+	CH = track number
+	DH = head number
+	DL = drive number
+	ES:BX -> address field buffer (see below)
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+Notes:	on AT or higher, call AH=17h first
+	the number of sectors per track is read from the diskette parameter
+	  table pointed at by INT 1E
+SeeAlso: AH=05h"FIXED",AH=17h,AH=18h,INT 1E
+Format of address field buffer entry (one per sector in track):
+Offset	Size	Description
+h	BYTE	track number
+h	BYTE	head number (0-based)
+h	BYTE	sector number
+h	BYTE	sector size (00h=128 bytes, 01h=256 bytes, 02h=512, 03h=1024)
+==== INT 13 - FIXED DISK - FORMAT TRACK ====
+	AH = 05h
+	AL = interleave value (XT-type controllers only)
+	ES:BX = 512-byte format buffer
+		the first 2*(sectors/track) bytes contain F,N for each sector
+		   F = 00h for good sector, 80h for bad sector
+		   N = sector number
+	CH = cylinder number (bits 8,9 in high bits of CL)
+	CL = high bits of cylinder number (bits 7,6)
+	DH = head
+	DL = drive
+Return: AH = status code (see AH=01h)
+Notes:	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+	for XT-type controllers on an AT or higher, AH=0Fh should be called
+	  first
+SeeAlso: AH=05h"FLOPPY",AH=06h,AH=07h,AH=0Fh,AH=18h,AH=1Ah
+==== INT 13 - FIXED DISK - FORMAT TRACK AND SET BAD SECTOR FLAGS (XT,PORT) ====
+	AH = 06h
+	AL = interleave value
+	CH = cylinder number (bits 8,9 in high bits of CL)
+	CL = sector number
+	DH = head
+	DL = drive
+Return: AH = status code (see AH=01h)
+Note:	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+==== INT 13 - FIXED DISK - FORMAT DRIVE STARTING AT GIVEN TRACK (XT,PORT) ====
+	AH = 07h
+	AL = interleave value (XT only)
+	ES:BX = 512-byte format buffer (see AH=05h)
+	CH = cylinder number (bits 8,9 in high bits of CL)
+	CL = sector number
+	DH = head
+	DL = drive
+Return: AH = status code (see AH=01h)
+Note:	AWARD AT BIOS extended to handle more than 1024 cylinders by placing
+	  bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
+SeeAlso: AH=1Ah
+==== INT 13 - DISK - GET DRIVE PARAMETERS (PC,XT286,CONV,PS,ESDI,SCSI) ====
+	AH = 08h
+	DL = drive (bit 7 set for hard disk)
+Return: CF set on error
+	    AH = status (07h) (see AH=01h)
+	CF clear if successful
+	    AH = 00h
+	    BL = drive type (AT/PS2 floppies only)
+h 360K
+h 1.2M
+h 720K
+h 1.44M
+h ??? (checked by 386MAX v6.01)
+	    CH = low eight bits of maximum cylinder number
+	    CL = maximum sector number (bits 5-0)
+		 high two bits of maximum cylinder number (bits 7-6)
+	    DH = maximum head number
+	    DL = number of drives
+	    ES:DI -> drive parameter table (floppies only)
+Notes:	may return successful even though specified drive is greater than the
+	  number of attached drives of that type (floppy/hard); check DL to
+	  ensure validity
+	for systems predating the IBM AT, this call is only valid for hard
+	  disks, as it is implemented by the hard disk BIOS rather than the
+	  ROM BIOS
+	Toshiba laptops with HardRAM return DL=02h when called with DL=80h,
+	  but fail on DL=81h.  The BIOS data at 40h:75h correctly reports 01h.
+SeeAlso: AH=15h,INT 1E,INT 41
+==== INT 13 - HARD DISK - INITIALIZE CONTROLLER WITH DRIVE PARAMETERS (AT,PS) ====
+	AH = 09h
+	DL = drive (80h for first, 81h for second)
+Return: CF clear if successful
+	CF set on error
+	AH = status (see AH=01h)
+Notes:	on the PC and XT, this function uses the parameter table pointed at by
+	  INT 41
+	on the AT and later, this function uses the parameter table pointed at
+	  by INT 41 if DL=80h, and the parameter table pointed at by INT 46 if
+	  DL=81h
+SeeAlso: INT 41,INT 46
+==== INT 13 - HARD DISK - READ LONG SECTOR(S) (AT and later) ====
+	AH = 0Ah
+	AL = number of sectors
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 5-0)
+	     high two bits of cylinder number (bits 7-6)
+	DH = head number
+	DL = drive number (80h = first, 81h = second)
+	ES:BX -> data buffer
+Return: CF clear if successful
+	CF set on error
+	AH = status (see AH=01h)
+	AL = number of sectors transferred
+Notes:	this function reads in four to seven bytes of error-correcting code
+	  along with each sector's worth of information
+	data errors are not automatically corrected, and the read is aborted
+	  after the first sector with an ECC error
+	used for diagnostics only on PS/2 systems
+SeeAlso: AH=02h,AH=0Bh
+==== INT 13 - HARD DISK - WRITE LONG SECTOR(S) (AT and later) ====
+	AH = 0Bh
+	AL = number of sectors
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 5-0)
+	     high two bits of cylinder number (bits 7-6)
+	DH = head number
+	DL = drive number (80h = first, 81h = second)
+	ES:BX -> data buffer
+Return: CF clear if successful
+	CF set on error
+	AH = status (see AH=01h)
+	AL = number of sectors transferred
+Notes:	each sector's worth of data must be followed by four to seven bytes of
+	  error-correction information
+	used for diagnostics only on PS/2 systems
+SeeAlso: AH=03h,AH=0Ah
+==== INT 13 - HARD DISK - SEEK TO CYLINDER ====
+	AH = 0Ch
+	CH = low eight bits of cylinder number
+	CL = sector number (bits 5-0)
+	     high two bits of cylinder number (bits 7-6)
+	DH = head number
+	DL = drive number (80h = first, 81h = second hard disk)
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+SeeAlso: AH=00h,AH=02h,AH=0Ah
+==== INT 13 - HARD DISK - RESET HARD DISKS ====
+	AH = 0Dh
+	DL = drive number (80h = first, 81h = second hard disk)
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+Notes:	reinitializes the hard disk controller, resets the specified drive's
+	  parameters, and recalibrates the drive's heads (seek to track 0)
+	not for PS/2 ESDI drives
+SeeAlso: AH=00h,INT 21/AH=0Dh
+==== INT 13 - HARD DISK - READ SECTOR BUFFER (XT only) ====
+	AH = 0Eh
+	DL = drive number (80h = first, 81h = second hard disk)
+	ES:BX -> buffer
+Return: CF set on error
+	CF clear if successful
+	AH = status code (see AH=01h)
+Notes:	transfers controller's sector buffer.  No data is read from the drive
+	used for diagnostics only on PS/2 systems
+SeeAlso: AH=0Ah
+==== INT 13 - HARD DISK - WRITE SECTOR BUFFER (XT only) ====
+	AH = 0Fh
+	DL = drive number (80h = first, 81h = second hard disk)
+	ES:BX -> buffer
+Return: CF set on error
+	CF clear if successful
+	AH = status code (see AH=01h)
+Notes:	does not write data to the drive
+	should be called before formatting to initialize an XT-type
+	  controller's sector buffer
+	used for diagnostics only on PS/2 systems
+SeeAlso: AH=0Bh
+==== INT 13 - HARD DISK - CHECK IF DRIVE READY ====
+	AH = 10h
+	DL = drive number (80h = first, 81h = second hard disk)
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+==== INT 13 - HARD DISK - RECALIBRATE DRIVE ====
+	AH = 11h
+	DL = drive number (80h = first, 81h = second hard disk)
+Return:	CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+Note:	causes hard disk controller to seek the specified drive to cylinder 0
+SeeAlso: AH=00h,AH=0Ch,AH=19h"FIXED DISK"
+==== INT 13 - HARD DISK - CONTROLLER RAM DIAGNOSTIC (XT,PS) ====
+	AH = 12h
+	DL = drive number (80h = first, 81h = second hard disk)
+Return: CF set on error
+	CF clear if successful
+	AH = status code (see AH=01h)
+SeeAlso: AH=13h,AH=14h
+==== INT 13 - Future Domain SCSI CONTROLLER - STOP SCSI DISK ====
+	AH = 12h
+	DL = hard drive ID
+Return: CF set on error
+	AH = status code (see AH=01h)
+Notes:	available at least on the TMC-870 8-bit SCSI controller BIOS v6.0A
+	if the given drive is a SCSI device, the SCSI Stop Unit command is sent
+	  and either "Disk prepared for shipping" or "Disk Stop command failed"
+	  is displayed
+==== INT 13 - HARD DISK - DRIVE DIAGNOSTIC (XT,PS) ====
+	AH = 13h
+	DL = drive number (80h = first, 81h = second hard disk)
+Return: CF set on error
+	CF clear if successful
+	AH = status code (see AH=01h)
+SeeAlso: AH=12h,AH=14h
+==== INT 13 - HARD DISK - CONTROLLER INTERNAL DIAGNOSTIC ====
+	AH = 14h
+Return: CF set on error
+	CF clear if successful
+	AH = status code (see AH=01h)
+SeeAlso: AH=12h,AH=13h
+==== INT 13 - DISK - GET DISK TYPE (XT 1/10/86 or later,XT286,AT,PS) ====
+	AH = 15h
+	DL = drive number (bit 7 set for hard disk)
+Return:	CF clear if successful
+	    AH = type code
+h no such drive
+h floppy without change-line support
+h floppy with change-line support
+h hard disk
+		    CX:DX = number of 512-byte sectors
+	CF set on error
+	    AH = status (see AH=01h)
+SeeAlso: AH=08h,AH=16h,AH=17h,AH=19h"SCSI"
+==== INT 13 - FLOPPY DISK - DETECT DISK CHANGE (XT 1/10/86 or later,XT286,AT,PS) ====
+	AH = 16h
+	DL = drive number
+Return: CF clear if change line inactive
+	    AH = 00h (disk not changed)
+	CF set if change line active
+	    AH = 06h change line active or not supported
+	       = 80h drive not ready or not present
+Note:	call AH=15h first to determine whether the drive supports a change
+	  line
+SeeAlso: AH=15h
+==== INT 13 - FLOPPY DISK - SET DISK TYPE FOR FORMAT (AT,PS) ====
+	AH = 17h
+	AL = format type
+h = 320/360K disk in 360K drive
+h = 320/360K disk in 1.2M drive
+h = 1.2M disk in 1.2M drive
+h = 720K disk in 720K drive
+	DL = drive number
+Return: CF set on error
+	CF clear if successful
+	AH = status (see AH=01h)
+Note:	this function does not handle 1.44M drives; use AH=18h instead
+SeeAlso: AH=15h,AH=18h
+==== INT 13 - DISK - SET MEDIA TYPE FOR FORMAT (AT model 3x9,XT2,XT286,PS) ====
+	AH = 18h
+	DL = drive number
+	CH = lower 8 bits of highest cylinder number (number of cylinders - 1)
+	CL = sectors per track (bits 0-5)
+	     top 2 bits of highest cylinder number (bits 6,7)
+Return: AH = status
+h requested combination supported
+h function not available
+Ch not supported or drive type unknown
+h there is no disk in the drive
+	ES:DI -> 11-byte parameter table
+SeeAlso: AH=05h,AH=07h,AH=17h
+==== INT 13 - Future Domain SCSI BIOS - GET SCSI CONTROLLER INFORMATION ====
+	AH = 18h
+	DL = hard drive ID
+Return: CF set on error
+	    AH = status code (see AH=01h)
+	CF clear if successful
+	    AX = 4321h (magic number???)
+	    BH = number of SCSI drives connected
+	    BL = SCSI device number for specified drive
+	    CX = 040Ah (magic number???)
+Note:	also sets an internal flag (non-resettable) which prevents some
+	  controller messages from being displayed, allows writes to
+	  removable devices, and enables the INT 13 interface for more than
+	  one drive (i.e. DL >= 81h)
+SeeAlso: AH=1Bh"SCSI"
+==== INT 13 - FIXED DISK - PARK HEADS (XT286,PS) ====
+	AH = 19h
+	DL = drive
+Return: CF set on error
+	AH = status (see AH=01h)
+SeeAlso: AH=11h
+==== INT 13 - Future Domain SCSI CONTROLLER - REINITIALIZE DRIVE ====
+	AH = 19h
+	DL = hard drive ID
+Return: CF set on error
+	    AH = status code (see AH=01h)
+	CF clear if successful
+	    AH = disk type (03h = fixed disk)
+	    CX:DX = number of 512-byte sectors
+Notes:	sends SCSI Read Capacity command to get number of logical blocks and
+	  adjusts the result for 512-byte sectors
+	displays either "Error in Read Capacity Command" or "nnn Bytes per
+	  sector" (nnn=256 or 512, the only sizes supported in the translation
+	  code)
+	should probably be called when a removable device has its media changed
+	returns the same values as AH=15h
+SeeAlso: AH=15h,AH=1Ah
+==== INT 13 - ESDI FIXED DISK - FORMAT UNIT (PS) ====
+	AH = 1Ah
+	AL = defect table count
+	CL = format modifiers
+	    bit 4: generate periodic interrupt
+	    bit 3: perform surface analysis
+	    bit 2: update secondary defect map
+	    bit 1: ignore secondary defect map
+	    bit 0: ignore primary defect map
+	DL = drive
+	ES:BX -> defect table
+Return: CF set on error
+	AH = status (see AH=01h)
+Note:	if periodic interrupt selected, INT 15/AH=0Fh is called after each
+	  cylinder is formatted
+SeeAlso: AH=07h,INT 15/AH=0Fh
+==== INT 13 - Future Domain SCSI CONTROLLER - GET SCSI PARTIAL MEDIUM CAPACITY ====
+	AH = 1Ah
+	CH = track (bits 8,9 in high bits of CL)
+	CL = sector (01h to number of sectors/track for drive)
+	DH = head
+	DL = hard drive ID
+Return: CF set on error
+	AH = status code (see AH=01h)
+	CX:DX = logical block number of last quickly-accessible block after
+		given block
+Note:	sends SCSI Read Capacity command with the PMI bit set to obtain the
+	  logical block address of the last block after which a substantial
+	  delay in data transfer will be encountered (usually the last block
+	  on the current cylinder).  No translation to 512 byte sectors is
+	  performed on the result if data is stored on the disk in other than
+byte sectors.
+SeeAlso: AH=15h,AH=19h"SCSI"
+==== INT 13 - ESDI FIXED DISK - GET MANUFACTURING HEADER ====
+	AH = 1Bh
+	AL = number of record
+	DL = drive
+	ES:BX -> buffer for manufacturing header (defect list)
+Return: CF set on error
+	    AH = status
+Note:	manufacturing header format (Defect Map Record format) can be found
+	  in IBM 70MB, 115MB Fixed Disk Drives Technical Reference
+==== INT 13 - Future Domain SCSI CONTROLLER - GET POINTER TO SCSI DISK INFO BLOCK ====
+	AH = 1Bh
+	DL = hard drive ID
+Return: CF set on error
+	    AH = status code (see AH=01h)
+	CF clear if successful
+	    ES:BX -> SCSI disk information block
+Note:	also sets a non-resettable flag which prevents some controller messages
+	  from being displayed
+SeeAlso: AH=18h"SCSI",AH=1Ch"SCSI"
+Format of SCSI disk information block:
+Offset	Size	Description
+h	BYTE	drive physical information
+		bit 0: ???
+		bit 1: device uses parity
+		bit 2: 256 bytes per sector instead of 512
+		bit 3: don't have capacity yet???
+		bit 4: disk is removable
+		bit 5: logical unit number is not present
+h	WORD	translated number of cylinders
+h	BYTE	translated number of heads
+h	BYTE	translated number of sectors per track (17, 34, or 63)
+h	BYTE	drive address
+		bits 0-2: logical unit number
+		bits 3-5: device number
+h	BYTE	01h at initialization
+h	BYTE	sense code byte 00h, or extended sense code byte 0Ch
+h	BYTE	00h
+h	BYTE	00h or extended sense code byte 02h (sense key)
+Ah	BYTE	00h
+Bh 10 BYTEs	copy of Command Descriptor Block (CDB)
+h	DWORD	translated number of sectors on device
+==== INT 13 - Future Domain SCSI CONTROLLER - GET POINTER TO FREE CONTROLLER RAM ====
+	AH = 1Ch
+	DL = hard drive ID (any valid SCSI hard disk)
+Return: CF set on error
+	    AH = status code (see AH=01h)
+	CF clear if successful
+	    ES:BX -> first byte of free RAM on controller
+Notes:	the Future Domain TMC-870 contains 1024 bytes of RAM at offsets 1800h
+	  to 1BFFh on-bard the controller for storing drive information and
+	  controller status; ES:BX points to the first byte available for other
+	  uses
+	ES contains the segment at which the controller resides; the
+	  controller's two memory-mapped I/O ports are at offsets 1C00h, 1E00h
+SeeAlso: AH=1Bh"SCSI"
+==== INT 13 - ESDI FIXED DISK - GET DEVICE CONFIGURATION ====
+	AX = 1C0Ah
+	DL = drive
+	ES:BX -> buffer for device configuration (drive physical parameter)
+Return: CF set on error
+	    AH = status
+Note:	device configuration format can be found in IBM ESDI Fixed Disk Drive
+	  Adapter/A Technical Reference
+==== INT 13 - ESDI FIXED DISK - GET ADAPTER CONFIGURATION ====
+	AX = 1C0Bh
+	ES:BX -> buffer for adapter configuration
+Return: CF set on error
+	    AH = status
+SeeAlso: AX=1C0Ch
+==== INT 13 - ESDI FIXED DISK - GET POS INFORMATION ====
+	AX = 1C0Ch
+	ES:BX -> POS information
+Return: CF set on error
+	    AH = status
+SeeAlso: AX=1C0Bh
+==== INT 13 - ESDI FIXED DISK - TRANSLATE RBA TO ABA ====
+	AX = 1C0Eh
+	CH = low 8 bits of cylinder number
+	CL = sector number, high two bits of cylinder number in bits 6 and 7
+	DH = head number
+	DL = drive number
+	ES:BX -> ABA number
+Return: CF set on error
+	    AH = status
+Note:	ABA (absolute block address) format can be found in IBM ESDI Adapter
+	  Technical Reference by using its Device Configuration Status Block
+==== INT 13 - IBMCACHE.SYS - CACHE STATUS ====
+	AH = 1Dh
+	AL = subfunction
+h get status record
+		DL = drive???
+		Return: ES:BX -> status record
+			CF set on error
+			    AH = error code
+h set cache status
+		ES:BX -> status record
+		DL = drive???
+		Return: CF set on error
+Format of status record:
+Offset	Size	Description
+h	DWORD	total number of read requests
+h	DWORD	total number of hits
+h	DWORD	number of physical disk reads
+Ch	DWORD	total number of sectors requested by physical disk reads
+h  6 bytes	???
+h	DWORD	pointer to start of error list
+Ah	DWORD	pointer to end of error list
+Eh	WORD	???
+h	BYTE	using extended memory if nonzero
+h	BYTE	???
+h  4 BYTEs	ASCII version number
+h	WORD	cache size in K
+h	WORD	sectors per page
+Format of error list:
+Offset	Size	Description
+h	DWORD	relative block address of bad page
+h	BYTE	drive
+h	BYTE	sector bit-map
+h	WORD	next error
+==== INT 13 - DISK - ??? (Western Digital "Super BIOS") ====
+	AH = 20h
+	???
+Return: ???
+Note:	seems to return some kind of status
+==== INT 13 - QCACHE - DISMOUNT ====
+	AX = 20FFh
+Return: ???
+==== INT 13 - QCACHE - FLUSH CACHE ====
+	AH = 21h
+Return: ???
+SeeAlso: AH=25h,AH=2Eh
+==== INT 13 - QCACHE - ENABLE/DISABLE CACHE ====
+	AH = 22h
+	AL = 00h disable cache
+h enable cache
+==== INT 13 - QCACHE - SET SECTORS ====
+	AH = 24h
+	BX = number of sectors
+Return: ???
+==== INT 13 - QCACHE - SET FLUSH INTERVAL ====
+	AH = 25h
+	BC = interval
+Return: ???
+SeeAlso: AH=21h,AH=2Eh
+==== INT 13 - QCACHE - INSTALLATION CHECK ====
+	AH = 27h
+	BX = 0000h
+Return: BX nonzero if installed
+==== INT 13 - QCACHE - SET BUFFER SIZE ====
+	AH = 2Ah
+	AL = buffer size
+Return: ???
+==== INT 13 - QCACHE - SET BUFFERED WRITES ====
+	AH = 2Ch
+	AL = state
+h disable
+h enable
+Return: ???
+SeeAlso: AH=2Dh
+==== INT 13 - QCACHE - SET BUFFERED READ ====
+	AH = 2Dh
+	AL = state
+h disable
+h enable
+Return: ???
+SeeAlso: AH=2Ch
+==== INT 13 - QCACHE - SET FLUSH COUNT ====
+	AH = 2Eh
+	BX = flush count
+Return: ???
+SeeAlso: AH=21h,AH=25h
+==== INT 13 - QCACHE - GET INFO ====
+	AH = 30h
+	AL = what to get
+h system info
+h drive info
+	DS:DX -> buffer for info
+Return: ???
+==== INT 13 - Priam EDVR.SYS DISK PARTITIONING SOFTWARE??? ====
+	AH = 70h
+	???
+Return: ???
+Note:	Priam's EDISK.EXE (FDISK replacement) and EFMT.EXE (low-level
+	  formatting program) make this call, presumably to EDVR.SYS (the
+	  partitioning driver)
+SeeAlso: AH=ADh
+==== INT 13 - ??? ====
+	AH = 75h
+	???
+Return: AH = ???
+	???
+Note:	intercepted by PC-Cache (v5.1 only)
+==== INT 13 - ??? ====
+	AH = 76h
+	???
+Return: AH = ???
+	???
+Note:	intercepted by PC-Cache (v5.1 only)
+==== INT 13 - FAST! - API ====
+	AH = 80h
+	CX = 6572h
+	DX = 1970h
+	ES:BX -> data structure (see below)
+	AL = function
+h ???
+h ???
+h ???
+h installation check
+		Return: AX = 1965h if installed
+h ???
+h ???
+Ah ???
+Bh ???
+Ch set ??? flag
+Dh clear ??? flag
+Return: AH = 00h if successful (except function 06h)
+Format of data structure:
+Offset	Size	Description
+h	DWORD	pointer to 19-byte signature string
+h 07h 06h 08h 11h 18h 0Fh 0Eh 02h 18h 13h 08h 0Bh 08h 01h 00h
+h 08h 15h  (v4.04)
+h	???	???
+==== INT 13 - Super PC Kwik/PC-Cache 5.x - ??? ====
+	AH = 81h
+	SI = 4358h
+	???
+Return: ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+	returns immediately in PC-Cache v5.x
+==== INT 13 - Super PC Kwik/PC-Cache 5.x - ??? ====
+	AH = 82h
+	SI = 4358h
+	???
+Return: AL = ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: AH=84h
+==== INT 13 - Super PC Kwik/PC-Cache 5.x - ??? ====
+	AH = 83h
+	SI = 4358h
+	AL = ???
+	ES:BX -> ???
+	???
+Return: ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: AH=85h
+==== INT 13 - Super PC Kwik/PC-Cache 5.x - ??? ====
+	AH = 84h
+	SI = 4358h
+	AL = ???
+	???
+Return: AL = ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: AH=82h
+==== INT 13 - Super PC Kwik/PC-Cache 5.x - ??? ====
+	AH = 85h
+	SI = 4358h
+	AL = ???
+	DL = ???
+	???
+Return: ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: AH=83h
+==== INT 13 - Qualitas Qcache v4.00 - ??? ====
+	AH = 86h
+	SI = 4358h
+	???
+Return: ???
+----------1387--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = 87h
+	SI = 4358h
+	???
+Return: ???
+----------1388--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = 88h
+	SI = 4358h
+	???
+Return: ???
+----------138EED-----------------------------
+INT 13 - HyperDisk v4.01+ - ???
+	AX = 8EEDh
+	???
+Return: ???
+Note:	HyperDisk is a shareware disk cache by HyperWare (Roger Cross)
+SeeAlso: AX=8EEEh,AX=8EEFh,AH=EEh,INT 2F/AH=DFh
+----------138EEE-----------------------------
+INT 13 - HyperDisk v4.01+ - ???
+	AX = 8EEEh
+Return: CF set
+	AX = CS of HyperDisk resident code
+	???
+Note:	identical to AX=8EEFh in HYPERDKX v4.21-4.30
+SeeAlso: AX=8EEDh,AX=8EEFh,AH=EEh
+----------138EEF-----------------------------
+INT 13 - HyperDisk v4.01+ - ???
+	AX = 8EEFh
+Return: CF set
+	AX = CS of HyperDisk resident code
+	???
+Note:	identical to AX=8EEEh in HYPERDKX v4.21-4.30
+SeeAlso: AX=8EEDh,AX=8EEEh,AH=EEh
+----------13A0--SI4358-----------------------
+INT 13 - Super PC Kwik - GET RESIDENT CODE SEGMENT
+	AH = A0h
+	SI = 4358h
+Return: AX = segment of resident code
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: INT 16/AX=FFA5h/CX=1111h
+----------13A1--SI4358-----------------------
+INT 13 - Super PC Kwik - FLUSH CACHE
+	AH = A1h
+	SI = 4358h
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+SeeAlso: INT 16/AX=FFA5h/CX=FFFFh
+----------13A2--SI4358-----------------------
+INT 13 - Super PC Kwik - ???
+	AH = A2h
+	SI = 4358h
+	???
+Return: ???
+Note:	PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM versions of
+	  Super PC Kwik, and thus support this call
+----------13A5-------------------------------
+INT 13 - Super PC Kwik - ???
+	AH = A5h
+	SI = ???
+Return: AX = ???
+	SI = ???
+Notes:	called when a program terminates but stays resident (see INT 21/AH=31h)
+	this call is not supported by Qualitas Qcache 4.00
+----------13AA--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = AAh
+	SI = 4358h
+	???
+Return: ???
+----------13AB--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = ABh
+	SI = 4358h
+	???
+Return: ???
+----------13AC--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = ACh
+	SI = 4358h
+	???
+Return: ???
+----------13AD-------------------------------
+INT 13 - Priam HARD DISK CONTROLLER???
+	AH = ADh
+	???
+Return: ???
+Note:	this call is made from Priam's EFMT.EXE (low-level formatter), probably
+	  to check the ROM type on the controller for their hard disk kits
+SeeAlso: AH=70h
+----------13AD--SI4358-----------------------
+INT 13 - Qualitas Qcache v4.00 - ???
+	AH = ADh
+	SI = 4358h
+	???
+Return: ???
+----------13B0--SI4358-----------------------
+INT 13 - Super PC Kwik - ???
+	AH = B0h
+	SI = 4358h
+	???
+Return: ???
+Note:	PC Tools PC-Cache 5.x is an OEM version of Super PC Kwik, and thus
+	  supports this call; Qualitas Qcache does not support it
+----------13EE-------------------------------
+INT 13 - SWBIOS - SET 1024 CYLINDER FLAG
+	AH = EEh
+	DL = drive number (80h, 81h)
+Return: CF clear
+	   AH = 00h
+Notes:	the following INT 13 call will interpret the cylinder number as 1024
+	  less than the desired cylinder
+	flag cleared by all INT 13 calls except AH=EEh
+	SWBIOS is a TSR by Ontrack Computer Systems; Disk Manager also supports
+	  these calls
+	also supported by HyperDisk v4.01+ and PC-Cache v5.5+, in order to allow
+	  caching of drives using SWBIOS to access more than 1024 cylinders
+SeeAlso: AH=F9h,AH=FEh,INT 16/AX=FFA5h/CX=1111h,INT 2F/AH=DFh
+----------13F9-------------------------------
+INT 13 - SWBIOS - INSTALLATION CHECK
+	AH = F9h
+	DL = drive number (80h,81h)
+Return: CF clear
+	    DX = configuration word
+		bit 15 set if other SWBIOS extensions available
+	CF set on error
+Note:	SWBIOS is a TSR by Ontrack Computer Systems; Disk Manager also supports
+	  these calls
+SeeAlso: AH=EEh
+----------13FE-------------------------------
+INT 13 - SWBIOS - GET EXTENDED CYLINDER COUNT
+	AH = FEh
+	DL = drive number (80h, 81h)
+Return: CF clear
+	DX = number of cylinders beyond 1024 on drive
+Notes:	standard INT 13/AH=08h will return a cylinder count truncated to 1024
+	BIOS without this extension would return count modulo 1024
+	SWBIOS is a TSR by Ontrack Computer Systems; Disk Manager also supports
+	  these calls
+SeeAlso: AH=EEh
+===== INT 14 =====
+==== INT 14 - SERIAL I/O- Digiboard DigiCHANNEL PC/X* Extender INT 14 (XAPCM232.SYS) ====
+Note:	the installation check for this driver is to determine whether the
+	  "~DOSXAM~" character device exists
+----------1400-------------------------------
+INT 14 - SERIAL - INITIALIZE PORT
+	AH = 00h
+	AL = port parameters
+	    bits 7-5 data rate (110,150,300,600,1200,2400,4800,9600 bps)
+	    bits 4-3 parity (00 or 10 = none, 01 = odd, 11 = even)
+	    bit 2    stop bits (set = 2, clear = 1)
+	    bits 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8)
+	DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS)
+Return: AH = line status (see AH=03h)
+	    FFh if error on Digiboard XAPCM232.SYS
+	AL = modem status (see AH=03h)
+Notes:	default handler is at F000h:E739h in IBM PC and 100% compatible BIOSes
+	since the PCjr supports a maximum of 4800 bps, attempting to set 9600
+	  bps will result in 4800 bps
+SeeAlso: AH=04h"SERIAL",AH=04h"MultiDOS",AH=05h"SERIAL",AH=81h"COMM-DRV"
+SeeAlso: AH=82h"COURIERS",AH=8Ch
+----------1400-------------------------------
+INT 14 - FOSSIL (Fido/Opus/Seadog Standard Interface Level) - INITIALIZE
+	AH = 00h
+	AL = initializing parameters
+- 6 - 5	   4 - 3     2	  1 - 0
+	    -BAUD RATE-	   PARITY   STOP   WORD
+				    BITS  LENGTH
+19200 bd   00 none  0: 1  00: 5
+38400 bd   01 odd   1: 2  01: 6
+	  300 bd   11 even	  10: 7
+	  600 bd		  11: 8
+	 1200 bd
+	 2400 bd
+	 4800 bd
+	 9600 bd (4800 on PCjr)
+	DX = port number (0-3 or FFh if only performing non-I/O setup)
+Return: AH = RS-232 status code bits
+: RDA - input data is available in buffer
+: OVRN - data has been lost
+: THRE - room is available in output buffer
+: TSRE - output buffer empty
+	AL = modem status bits
+: always 1
+: DCD - carrier detect
+SeeAlso: AH=05h"FOSSIL",AH=81h"COMM-DRV",AH=82h"COURIERS"
+----------1400-------------------------------
+INT 14 - MBBIOS - INITIALIZE PORT
+	AH = 00h
+	AL = port parameters
+	    bits 7-5 data rate
+	    		(normally 110,150,300,600,1200,2400,4800,9600 bps;
+,14400,19200,28800,38400,57600,115200,330400 bps
+			if the high-speed option is set)
+	    bits 4-3 parity (00 or 10 = none, 01 = odd, 11 = even)
+	    bit 2    stop bits (set = 2, clear = 1)
+	    bits 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8)
+	DX = port number
+Return: AH = line status (see AH=03h)
+	AL = modem status (see AH=03h)
+Note:	MBBIOS was written by H. Roy Engehausen
+SeeAlso: AH=04h"MBBIOS",AH=05h"MBBIOS"
+----------1401-------------------------------
+INT 14 - SERIAL - WRITE CHARACTER TO PORT
+	AH = 01h
+	AL = character to write
+	DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS)
+Return: AH bit 7 clear if successful
+	AH bit 7 set on error
+	AH bits 6-0 = port status (see AH=03h)
+SeeAlso: AH=02h,AH=0Bh"FOSSIL",AH=89h
+----------1402-------------------------------
+INT 14 - SERIAL - READ CHARACTER FROM PORT
+	AH = 02h
+	DX = port number (00h-03h (04h-43h for Digiboard XAPCM232.SYS))
+Return: AH = line status (see AH=03h)
+	AL = received character if AH bit 7 clear
+Note:	will timeout if DSR is not asserted, even if function 03h returns
+	  data ready
+SeeAlso: AH=01h,AH=02h"FOSSIL",AH=84h,AH=FCh
+----------1402-------------------------------
+INT 14 - FOSSIL - RECEIVE CHARACTER WITH WAIT
+	AH = 02h
+	DX = port number (0-3)
+Return: AL = character received
+	AH = 00h
+SeeAlso: AH=01h,AH=02h"SERIAL"
+----------1403-------------------------------
+INT 14 - SERIAL - GET PORT STATUS
+	AH = 03h
+	DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS)
+Return: AH = line status
+	    bit 7: timeout
+: transmit shift register empty
+: transmit holding register empty
+: break detected
+: framing error
+: parity error
+: overrun error
+: receive data ready
+	AL = modem status
+	    bit 7: carrier detect
+: ring indicator
+: data set ready
+: clear to send
+: delta carrier detect
+: trailing edge of ring indicator
+: delta data set ready
+: delta clear to send
+SeeAlso: AH=00h,AH=07h"MultiDOS",AH=81h"COURIERS",AX=FD02h
+----------1404-------------------------------
+INT 14 - SERIAL I/O - EXTENDED INITIALIZE (CONVERTIBLE,PS)
+	AH = 04h
+	AL = break status
+h if break
+h if no break
+	BH = parity
+h no parity
+h odd parity
+h even parity
+h stick parity odd
+h stick parity even
+	BL = number of stop bits
+h one stop bit
+h two stop bits (1.5 if 5 bit word length)
+	CH = word length
+h 5 bits
+h 6 bits
+h 7 bits
+h 8 bits
+	CL = bps rate
+h 110
+h 150
+h 300
+h 600
+h 1200
+h 2400
+h 4800
+h 9600
+h 19200
+	DX = port number
+Return: AX = port status code (see AH=00h)
+SeeAlso: AH=00h,AH=1Eh
+----------1404-------------------------------
+INT 14 - FOSSIL - INITIALIZE DRIVER
+	AH = 04h
+	DX = port number
+	optionally BX=4F50h
+		   ES:CX -> byte to be set upon ^C
+Return: AX = 1954h (if successful)
+	BL = maximum function number supported (excluding 7Eh and above)
+	BH = revision of FOSSIL supported
+	DTR is raised
+Note:	the word at offset 6 in the interrupt handler contains 1954h, and the
+	  following byte contains the maximum function number supported
+SeeAlso: AH=05h"FOSSIL",AH=1Ch
+----------1404-------------------------------
+INT 14 - MultiDOS Plus IODRV - INITIALIZE PORT
+	AH = 04h
+Return: port initialized; if Hayes-compatible modem, a connection has been
+	  established
+Note:	the port number is stored at offset BEh in the Task Control Block
+	  (see INT 15/AH=13h"MultiDOS")
+SeeAlso: AH=00h,AH=05h"MultiDOS",AH=20h"MultiDOS",INT 15/AH=13h"MultiDOS"
+----------1404-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CHANGE BAUD RATE
+	AH = 04h
+	AL = initializing parameters
+	    bits 7-5 unused
+	    bits 4,3: parity (00 none, 01 odd, 11 even)
+	    bit 2: stop bits (0 = one, 1 = two)
+	    bits 1,0: data bits (00 = five, 01 = six, 10 = seven, 11 = eight)
+	BX = baud rate
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=05h"Digiboard"
+----------1404-------------------------------
+INT 14 - MBBIOS - INQUIRY
+	AH = 04h
+Return: AH = AAh
+	AL = 55h
+SeeAlso: AH=00h"MBBIOS",AH=09h"MBBIOS"
+----------1405-------------------------------
+INT 14 - SERIAL I/O - EXTENDED COMMUNICATION PORT CONTROL (CONVERTIBLE,PS)
+	AH = 05h
+	AL = 00h read modem control register
+	      Return: BL = modem control register (see below)
+		      AH = status
+	AL = 01h write modem control register
+	      BL = modem control register
+		  bit 0: data terminal ready
+		  bit 1: request to send
+		  bit 2: OUT1
+		  bit 3: OUT2
+		  bit 4: LOOP
+		  bits 5-7 reserved
+	      Return: AX = status
+	DX = port number
+SeeAlso: AH=00h,AH=1Fh
+----------1405-------------------------------
+INT 14 - FOSSIL - DEINITIALIZE DRIVER
+	AH = 05h
+	DX = port number
+Return: none
+	DTR is not affected
+SeeAlso: AH=00h,AH=04h"FOSSIL",AH=1Dh,AH=8Dh
+----------1405-------------------------------
+INT 14 - MultiDOS Plus IODRV - READ CHARACTER FROM PORT
+	AH = 05h
+	AL = timeout in seconds (00h = never)
+Return: AL = status
+h successful
+		AH = character read
+h read error
+h timed out
+	    other modem status (CTS, DSR) changed
+Note:	the port number is stored at offset BEh in the Task Control Block
+SeeAlso: AH=02h,AH=04h"MultiDOS",AH=06h"MultiDOS",AH=22h"MultiDOS"
+SeeAlso: INT 15/AH=13h"MultiDOS"
+----------1405-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CHANGE PROTOCOL
+	AH = 05h
+	AL = protocol
+	    bits 7-4 unused
+	    bit 3: RTS/CTS
+	    bit 2: DSR
+	    bits 1,0: XON/XOFF
+	BH = new XOFF character (00h = current)
+	BL = new XON character (00h = current)
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=04h"Digiboard"
+----------1405-------------------------------
+INT 14 - MBBIOS - DROP DTR AND RTS
+	AH = 05h
+	DX = port number
+Return: none
+SeeAlso: AH=00h"MBBIOS",AH=06h"MBBIOS",AH=06h"FOSSIL"
+----------1406-------------------------------
+INT 14 - FOSSIL - RAISE/LOWER DTR
+	AH = 06h
+	DX = port
+	AL = DTR state to be set
+h = lower
+h = raise
+SeeAlso: AH=05h"MBBIOS",AH=1Ah
+----------1406-------------------------------
+INT 14 - MultiDOS Plus IODRV - WRITE CHARACTER TO PORT
+	AH = 06h
+	AL = character
+Return: AL = status
+h successful
+Notes:	the port number is stored at offset BEh in the Task Control Block
+	if output queue is full, the calling task is blocked until the
+	  character can be stored
+SeeAlso: AH=01h,AH=04h"MultiDOS",AH=05h"MultiDOS",AH=21h"MultiDOS"
+SeeAlso: INT 15/AH=13h"MultiDOS"
+----------1406-------------------------------
+INT 14 - MBBIOS - RAISE DTR AND RTS
+	AH = 06h
+	DX = port number
+Return: none
+SeeAlso: AH=05h"MBBIOS",AH=07h"MBBIOS"
+----------1407-------------------------------
+INT 14 - FOSSIL - RETURN TIMER TICK PARAMETERS
+	AH = 07h
+Return: AL = timer tick interrupt number
+	AH = ticks per second on interrupt number in AL
+	DX = approximate number of milliseconds per tick
+SeeAlso: AH=16h
+----------1407-------------------------------
+INT 14 - MultiDOS Plus IODRV - GET PORT STATUS
+	AH = 07h
+Return: CL = modem status (see AH=03h)
+	CH = character at head of input queue (if any)
+	DX = number of characters in input queue
+Note:	the port number is stored at offset BEh in the Task Control Block
+SeeAlso: AH=03h,AH=05h"MultiDOS",AH=08h"MultiDOS",AH=09h"MultiDOS"
+SeeAlso: AH=23h"MultiDOS",INT 15/AH=13h"MultiDOS"
+----------1407-------------------------------
+INT 14 - MBBIOS - SEND BREAK
+	AH = 07h
+	DX = port number
+Return: none
+SeeAlso: AH=06h"MBBIOS"
+----------1408-------------------------------
+INT 14 - FOSSIL - FLUSH OUTPUT BUFFER WAITING TILL ALL OUTPUT IS DONE
+	AH = 08h
+	DX = port number
+SeeAlso: AH=09h"FOSSIL"
+----------1408-------------------------------
+INT 14 - MultiDOS Plus 4.0 IODRV - GET AND RESET PORT LINE STATUS
+	AH = 08h
+Return: AL = line status (see AH=03h)
+	AH destroyed
+Notes:	the port number is stored at offset BEh in the Task Control Block
+	on every line status change, the line status is ORed with the line
+	  status accumulator; this function returns the accumulator and clears
+	  it
+SeeAlso: AH=03h,AH=04h"MultiDOS",AH=07h"MultiDOS",INT 15/AH=13h"MultiDOS"
+----------1408-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - ALTERNATE STATUS CHECK
+	AH = 08h
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = RS232 status bits (see AH=03h)
+	ZF set if no characters queued
+	ZF clear if character available
+	    AL = next character
+SeeAlso: AH=03h,AH=09h"Digiboard"
+----------1408-------------------------------
+INT 14 - MBBIOS - NON-DESTRUCTIVE READ
+	AH = 08h
+	DX = port number
+Return: AL = character
+	AH = status (see AH=02h)
+SeeAlso: AH=0Bh"MBBIOS",AH=0Ch"FOSSIL"
+----------1409-------------------------------
+INT 14 - FOSSIL - PURGE OUTPUT BUFFER THROWING AWAY ALL PENDING OUTPUT
+	AH = 09h
+	DX = port number
+SeeAlso: AH=08h"FOSSIL",AH=0Ah"FOSSIL",AH=88h
+----------1409-------------------------------
+INT 14 - MultiDOS Plus IODRV - RESET PORT STATUS
+	AH = 09h
+Return: modem status byte cleared
+Note:	the port number is stored at offset BEh in the Task Control Block
+SeeAlso: AH=04h"MultiDOS",AH=07h"MultiDOS",INT 15/AH=13h"MultiDOS"
+----------1409-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR BUFFERS
+	AH = 09h
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=08h"Digiboard",AH=0Ah"Digiboard",AH=10h"Digiboard"
+----------1409-------------------------------
+INT 14 - MBBIOS - GET/SET OPTIONS
+	AH = 09h
+	AL = option byte
+		00000001b - Transmit Buffering Enabled
+		00000101b - Hardware Handshaking Enabled
+		00100000b - High Speed Option Enabled
+	DX = port number???
+Return: AL = old option byte
+SeeAlso: AH=04h"MBBIOS",AH=10h"FOSSIL"
+----------140A-------------------------------
+INT 14 - FOSSIL - PURGE INPUT BUFFER THROWING AWAY ALL PENDING INPUT
+	AH = 0Ah
+	DX = port number
+SeeAlso: AH=09h"FOSSIL",AH=85h
+----------140A-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - INPUT QUEUE CHECK
+	AH = 0Ah
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AX = number of characters available in buffer
+SeeAlso: AH=09h"Digiboard",AH=0Dh"Digiboard"
+----------140A-------------------------------
+INT 14 - MBBIOS - WRITE BUFFER
+	AH = 0Ah
+	CX = count
+	ES:DI -> buffer
+Return: AX = status (see AH=03h)
+	DI = is updated
+	CX = unsent character count
+SeeAlso: AH=0Bh"MBBIOS",AH=19h"FOSSIL"
+----------140B-------------------------------
+INT 14 - FOSSIL - TRANSMIT NO WAIT
+	AH = 0Bh
+	AL = character
+	DX = port number
+Return: AX = 0000h character not accepted
+	   = 0001h character accepted
+SeeAlso: AH=01h
+----------140B-------------------------------
+INT 14 - MBBIOS - READ BUFFER
+	AH = 0Bh
+	CX = size of buffer
+	ES:DI -> buffer
+Return: AH = LSR
+	AL = MSR
+	CX = count of characters
+	DI = is updated
+SeeAlso: AH=08h"MBBIOS",AH=0Ah"MBBIOS",AH=18h"FOSSIL"
+----------140C-------------------------------
+INT 14 - FOSSIL - NON-DESTRUCTIVE READ AHEAD
+	AH = 0Ch
+	DX = port number
+Return: AX = FFFFh character not available
+	AX = 00xxh character xx available
+SeeAlso: AH=08h"MBBIOS",AH=20h"FOSSIL"
+----------140D-------------------------------
+INT 14 - FOSSIL - KEYBOARD READ WITHOUT WAIT
+	AH = 0Dh
+Return: AX = FFFFh character not available
+	   = xxyyh standard IBM-style scan code
+SeeAlso: AH=0Eh
+----------140D-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - GET POINTER TO CH_KEY_RDY FLAG
+	AH = 0Dh
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: ES:BX -> CH_KEY_RDY flag
+SeeAlso: AH=0Ah"Digiboard"
+Values for CH_KEY_RDY flag:
+h	receive buffer empty
+ FFh	characters available
+----------140E-------------------------------
+INT 14 - FOSSIL - KEYBOARD READ WITH WAIT
+	AH = 0Eh
+Return: AX = xxyyh standard IBM-style scan code
+SeeAlso: AH=0Dh"FOSSIL"
+----------140E-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - WRITE STRING
+	AH = 0EH
+	CX = number of characters to write
+	ES:BX -> string
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AX = number of characters actually written
+	ZF clear if successful
+	ZF set on error
+SeeAlso: AH=0Fh"Digiboard"
+----------140F-------------------------------
+INT 14 - FOSSIL - ENABLE/DISABLE FLOW CONTROL
+	AH = 0Fh
+	AL = bit mask describing flow control requested
+: xon/xoff on transmit (watch for xoff while sending)
+: CTS/RTS (CTS on transmit/RTS on receive)
+: reserved
+: xon/xoff on receive (send xoff when buffer near full)
+-7: all 1
+	DX = port number
+SeeAlso: AH=09h"MBBIOS",AH=10h"FOSSIL"
+----------140F-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - READ STRING
+	AH = 0Fh
+	CX = number of characters to read
+	ES:BX -> buffer
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AX = number of characters read
+	ZF clear if successful
+	ZF set on error (line status or wrong number of characters)
+SeeAlso: AH=0Eh"Digiboard"
+----------1410-------------------------------
+INT 14 - FOSSIL - EXTENDED ^C/^K CHECKING AND TRANSMIT ON/OFF
+	AH = 10h
+	AL = bit mask
+: enable/disable ^C/^K checking
+: enable/disable the transmitter
+	DX = port number
+SeeAlso: AH=0Fh"FOSSIL"
+----------1410-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR RECEIVE BUFFER
+	AH = 10h
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=09h"Digiboard",AH=11h"Digiboard"
+----------1411-------------------------------
+INT 14 - FOSSIL - SET CURRENT CURSOR LOCATION
+	AH = 11h
+	DH = row
+	DL = column
+Note:	this is the same as INT 10/AH=02h
+SeeAlso: AH=12h"FOSSIL"
+----------1411-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR TRANSMIT BUFFER
+	AH = 11h
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=09h"Digiboard",AH=10h"Digiboard"
+----------1412-------------------------------
+INT 14 - FOSSIL - READ CURRENT CURSOR LOCATION
+	AH = 12h
+Return: DH = row
+	DL = column
+Note:	this is the same as INT 10/AH=03h
+SeeAlso: AH=11h"FOSSIL"
+----------1412-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - GET TRANSMIT BUFFER FREE SPACE
+	AH = 12h
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AX = number of bytes free
+SeeAlso: AH=0Ah"Digiboard"
+----------1413-------------------------------
+INT 14 - FOSSIL - SINGLE CHARACTER ANSI WRITE TO SCREEN
+	AH = 13h
+	AL = character
+Note:	should not be called if it is unsafe to call DOS
+SeeAlso: AH=15h
+----------1414-------------------------------
+INT 14 - FOSSIL - ENABLE OR DISABLE WATCHDOG PROCESSING
+	AH = 14h
+	AL = 01h enable watchdog
+h disable watchdog
+	DX = port number
+----------1415-------------------------------
+INT 14 - FOSSIL - WRITE CHARACTER TO SCREEN USING BIOS SUPPORT ROUTINES
+	AH = 15h
+	AL = character
+SeeAlso: AH=13h
+----------1416-------------------------------
+INT 14 - FOSSIL - INSERT/DELETE FUNCTION FROM TIMER TICK CHAIN
+	AH = 16h
+	AL = function
+h = delete
+h = add
+	ES:DX -> routine to call
+Return: AX = status
+h successful
+h unsuccessful
+SeeAlso: AH=07h"FOSSIL"
+----------1416-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - CCB COMMAND
+	AH = 16h
+	AL = CCB command number (see below)
+	BL = byte 2
+	BH = byte 3
+	CL = byte 1 (for all channel functions except 4Eh and 4Fh)
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh error
+SeeAlso: AH=18h"Digiboard"
+Values for CCB command number:
+h Set Receive Mid Water Mark
+h Set Receive High Water Mark
+h Flush Receive Buffer
+h Flush Transmit Buffer
+h Transmit Pause
+h Transmit Resume
+h Set Interrupt to Host Mask
+h Set Baud, Data, Stop and Parity
+h Send Break
+h Set Modem Lines
+Ah Set Break Count
+Bh Set Handshake
+Ch Set Xon/Xoff Characters
+Dh Set Transmit Mid Water Mark
+Eh IRQ Polling Timer to Host
+Fh Buffer Set All
+h Port On
+h Port Off
+h Receive Pause
+h Special Character Interrupt
+h RS-422 Enable
+----------1417-------------------------------
+INT 14 - FOSSIL - REBOOT SYSTEM
+	AH = 17h
+	AL = method
+h = cold boot
+h = warm boot
+SeeAlso: INT 19
+----------1418-------------------------------
+INT 14 - FOSSIL - READ BLOCK
+	AH = 18h
+	CX = maximum number of characters to transfer
+	DX = port number
+	ES:DI -> user buffer
+Return: AX = number of characters transferred
+SeeAlso: AH=19h"FOSSIL",AH=83h"COURIERS",AX=FF02h,INT 6B/AX=0100h
+----------1418-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - SEND BIOS COMMAND
+	AH = 18h
+	ES:BX -> 16-byte command string
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+h timeout
+	AL = mailbox status
+h no errors
+Xh BIOS error
+	ES:BX buffer filled in with mailbox string
+	ZF clear if no errors
+	ZF set if either status byte contains an error code
+SeeAlso: AH=16h"Digiboard"
+----------1419-------------------------------
+INT 14 - FOSSIL - WRITE BLOCK
+	AH = 19h
+	CX = maximum number of characters to transfer
+	DX = port number
+	ES:DI -> user buffer
+Return: AX = number of characters transferred
+SeeAlso: AH=18h"FOSSIL",AH=86h,INT 6B/AX=0000h
+----------1419-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X* - SPECIAL CHARACTER INTERRUPT
+	AH = 19h
+	BL = flag
+h disable special character interrupt
+	    FFh enable interrupt
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: AH = status
+h successful
+	    FFh failed
+SeeAlso: AH=1Ah"Digiboard"
+----------141A-------------------------------
+INT 14 - FOSSIL - BREAK BEGIN OR END
+	AH = 1Ah
+	AL = 00h stop sending 'break'
+h start sending 'break'
+	DX = port number
+SeeAlso: AH=06h"FOSSIL",AH=8Ah,AH=FAh
+----------141A-------------------------------
+INT 14 - Digiboard DigiCHANNEL PC/X - SPECIAL CHARACTER FLAG/COUNTER
+	AH = 1Ah
+	BX = subfunction
+h return pointer to special character flag byte
+h return pointer to special character counter word
+	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
+Return: ES:BX -> special character flag or counter
+Notes:	flag is FFh if one or more special characters are in the receive
+	  buffer; it is 00h and the counter is invalid if no special characters
+	  are in the receive buffer
+	counter (if valid) contains the number of characters in the receive
+	  buffer up to and including the last-received special character
+----------141B-------------------------------
+INT 14 - FOSSIL - RETURN INFORMATION ABOUT THE DRIVER
+	AH = 1Bh
+	DX = port number
+	CX = size of user buffer
+	ES:DI -> user buffer for driver info (see below)
+Return: AX = number of characters transferred
+	CX = 3058h ("0X") (X00 FOSSIL only)
+	DX = 2030h (" 0") (X00 FOSSIL only)
+Format of driver info:
+Offset	Size	Description
+h	WORD	size of structure in bytes
+h	BYTE	FOSSIL spec driver conforms to
+h	BYTE	revision level of this specific driver
+h	DWORD	pointer to ASCIZ identification string
+h	WORD	size of the input buffer
+Ah	WORD	number of bytes left in buffer
+Ch	WORD	size of the output buffer
+Eh	WORD	number of bytes left in buffer
+h	BYTE	width of screen
+h	BYTE	length of screen
+h	BYTE	actual baud rate, computer to modem
+----------141C-------------------------------
+INT 14 - X00 FOSSIL - ACTIVATE PORT
+	AH = 1Ch
+	DX = port number
+Return: AX = 1954h if successful
+	BL = maximum function number supported (not including 7Eh and above)
+	BH = revision of FOSSIL specification supported
+Note:	this is a duplicate of AH=04h, so that AH=04h may be made compatible
+	  with the PS/2 BIOS in a future release
+SeeAlso: AH=04h"FOSSIL",AH=1Dh
+----------141D-------------------------------
+INT 14 - X00 FOSSIL - DEACTIVATE PORT
+	AH = 1Dh
+	DX = port number
+Return: none
+Notes:	this is a duplicate of AH=05h, so that AH=05h may be made compatible
+	  with the PS/2 BIOS in a future release
+	ignored if the port was never activated with AH=04h or AH=1Ch
+SeeAlso: AH=05h"FOSSIL",AH=1Ch
+----------141E-------------------------------
+INT 14 - X00 FOSSIL - EXTENDED LINE CONTROL INITIALIZATION
+	AH = 1Eh
+	AL = break status
+h if break
+h if no break
+	BH = parity
+h no parity
+h odd parity
+h even parity
+h stick parity odd
+h stick parity even
+	BL = number of stop bits
+h one stop bit
+h two stop bits (1.5 if 5 bit word length)
+	CH = word length
+h 5 bits
+h 6 bits
+h 7 bits
+h 8 bits
+	CL = bps rate
+h 110
+h 150
+h 300
+h 600
+h 1200
+h 2400
+h 4800
+h 9600
+h 19200
+	DX = port number
+Return: AX = port status code (see AH=00h)
+Notes:	this function is intended to exactly emulate the PS/2 BIOS AH=04h call
+	if the port was locked at X00 load time, the appropriate parameters are
+	  ignored
+SeeAlso: AH=00h,AH=04h"SERIAL I/O"
+----------141F-------------------------------
+INT 14 - X00 FOSSIL - EXTENDED SERIAL PORT STATUS/CONTROL
+	AH = 1Fh
+	AL = 00h read modem control register
+	      Return: BL = modem control register (see below)
+		      AH = status
+	AL = 01h write modem control register
+	      BL = modem control register
+		  bit 0: data terminal ready
+		  bit 1: request to send
+		  bit 2: OUT1
+		  bit 3: OUT2 (interrupts) enabled
+		  bit 4: LOOP
+		  bits 5-7 reserved
+	      Return: AX = status
+	DX = port number
+SeeAlso: AH=00h,AH=05h"SERIAL I/O"
+Notes:	this function is intended to exactly emulate the PS/2 BIOS AH=05h call
+	X00 forces BL bit 3 set (interrupts cannot be disabled)
+----------1420-------------------------------
+INT 14 - X00 FOSSIL - DESTRUCTIVE READ WITH NO WAIT
+	AH = 20h
+	DX = port number
+Return: AH = 00h if character was available
+	    AL = next character (removed from receive buffer)
+	AX = FFFFh if no character available
+SeeAlso: AH=0Ch,AH=21h"X00"
+----------1420-------------------------------
+INT 14 - Alloy MW386 - ATTACH LOGICAL COMMUNICATIONS PORT TO PHYSICAL PORT
+	AH = 20h
+	AL = logical port (01h COM1, 02h COM2)
+	DX = physical port number
+Return: AX = status
+h successful
+	    FFFFh failed
+SeeAlso: AH=21h"Alloy",AH=22h"Alloy",AH=23h"Alloy",INT 17/AH=8Bh"Alloy"
+----------1420-------------------------------
+INT 14 - MultiDOS Plus - INITIALIZE PORT
+	AH = 20h
+	AL = port parameters (see AH=00h"SERIAL")
+	DX = port number (0-3)
+Return: AH = status
+h successful
+h no such port
+h monitor mode already active
+SeeAlso: AH=00h"SERIAL",AH=04h"MultiDOS",AH=21h"MultiDOS",AH=23h"MultiDOS"
+----------1421-------------------------------
+INT 14 - X00 FOSSIL - STUFF RECEIVE BUFFER
+	AH = 21h
+	AL = character
+	DX = port number
+Notes:	the given character is inserted at the end of the receive buffer as if
+	  it had just arrived from the serial port; all normal receive
+	  processing (XON/XOFF, ^C/^K) is performed on the character
+	fully re-entrant
+SeeAlso: AH=20h"X00"
+----------1421-------------------------------
+INT 14 - Alloy MW386 v1.x only - RELEASE PHYSICAL COMMUNICATIONS PORT
+	AH = 21h
+	DX = physical port number
+Return: AX = status
+h successful
+	    FFFFh failed
+SeeAlso: AH=20h"Alloy",AH=22h"Alloy"
+----------1421-------------------------------
+INT 14 - MultiDOS Plus - TRANSMIT CHARACTER
+	AH = 21h
+	AL = character to send
+	DX = port number
+Return: AH = status
+h successful
+h no DSR or CTS
+Ch no DSR
+Bh no CTS
+h no such port
+h monitor mode not active
+h timed out
+Note:	monitor mode must have been turned on with AH=24h before calling
+SeeAlso: AH=20h"MultiDOS",AH=22h"MultiDOS",AH=24h"MultiDOS"
+----------1422-------------------------------
+INT 14 - Alloy MW386 v2+ - RELEASE LOGICAL COMMUNICATIONS PORT
+	AH = 22h
+	AL = logical port (01h COM1, 02h COM2)
+Return: AX = status (0000h successful)
+SeeAlso: AH=20h"Alloy",AH=21h"Alloy"
+----------1422-------------------------------
+INT 14 - MultiDOS Plus - RECEIVE CHARACTER
+	AH = 22h
+	DX = port number
+Return: AH = status (see also AH=21h"MultiDOS")
+h successful
+		AL = character
+Dh framing and parity error
+Eh overrun error
+Fh framing error
+h parity error
+h ring buffer overflow
+Note:	if no character is available, this function waits until a character
+	  arrives or an implementation-dependent timeout elapses
+SeeAlso: AH=20h"MultiDOS",AH=21h"MultiDOS",AH=27h
+----------1423-------------------------------
+INT 14 - Alloy MW386 v2+ - GET PORT NUMBER FROM LOGICAL PORT ID
+	AH = 23h
+	AL = logical port (01h COM1, 02h COM2)
+	DH = user ID
+	DL = process ID (DH,DL both FFh for current task)
+Return: AL = MW386 port mode
+	    bit 0: port is shared (spooler only)
+: port is spooled instead of direct (spooler only)
+: port is assigned as logical COM device, not in spooler
+: port is free
+	CX = MW386 port number
+	DH = owner's user ID
+	DL = owner's task ID
+SeeAlso: AH=20h"Alloy",INT 17/AH=8Bh"Alloy"
+----------1423-------------------------------
+INT 14 - MultiDOS Plus - GET PORT STATUS
+	AH = 23h
+	DX = port number
+Return: AH = line status (see AH=03h)
+	AL = modem status (see AH=03h)
+SeeAlso: AH=03h,AH=07h"MultiDOS",AH=20h"MultiDOS"
+----------1424-------------------------------
+INT 14 - Alloy MW386 v2+ - CHANGE PHYSICAL PORT PARAMETERS
+	AH = 24h
+	CX = physical I/O port number
+	DS:DX -> configuration table (see below)
+Return: AH = 00h
+Note:	invalid port numbers are merely ignored
+SeeAlso: INT 17/AH=96h
+Format of configuration table:
+Offset	Size	Description
+h	BYTE	baud rate
+h 38400
+h 19200
+h  9600
+h  7200
+h  4800
+h  3600
+h  2400
+h  2000
+h  1200
+h   600
+Ah   300
+Bh   150
+Ch   134.5
+h	BYTE	data bits (00h=5, 01h=6, 02h=7, 03h=8)
+h	BYTE	parity (00h none, 01h odd, 02h even)
+h	BYTE	stop bits (00h=1, 01h=2)
+h	BYTE	receive flow control
+h none, 01h XON/XOFF, 02h DTR/DSR, 03h XPC, 04h RTS/CTS
+h	BYTE	transmit flow control (as for receive)
+----------1424-------------------------------
+INT 14 - MultiDOS Plus - SET MONITOR MODE
+	AH = 24h
+	AL = port status storage
+h single status for entire receive buffer
+h separate status kept for each byte in receive buffer
+	DX = port number
+Return: AH = status
+h successful
+Ah invalid status storage specified
+h no such port
+h monitor mode already active
+Note:	in monitor mode, MultiDOS redirects all BIOS video output to a serial
+	  port
+SeeAlso: AH=20h"MultiDOS",AH=25h
+----------1425-------------------------------
+INT 14 - MultiDOS Plus - CLEAR BUFFERS
+	AH = 25h
+	AL = function
+h only clear buffers
+h clear buffers and deactivate
+	DX = port number
+Return: AH = status
+h successful
+Ah invalid function
+h no such port
+h monitor mode not active
+SeeAlso: AH=20h"MultiDOS",AH=24h"MultiDOS"
+----------1427-------------------------------
+INT 14 - MultiDOS Plus - GET BUFFER CHARACTER COUNT
+	AH = 27h
+	DX = port number
+Return: AH = status
+h successful
+h no such port
+h monitor mode not active
+	AL = number of characters in receive buffer
+----------147E-------------------------------
+INT 14 - FOSSIL - INSTALL AN EXTERNAL APPLICATION FUNCTION
+	AH = 7Eh
+	AL = code assigned to external application (80h-BFh)
+h reserved for communications FOSSIL
+h video FOSSIL
+h reserved for keyboard FOSSIL
+h reserved for system FOSSIL
+	ES:DX -> entry point
+Return: AX = 1954h
+	BL = code assigned to application (same as input AL)
+	DH = 00h failed
+h successful
+SeeAlso: AH=7Fh,AH=80h"FOSSIL",AX=8100h,AH=82h"FOSSIL",AH=83h"FOSSIL"
+----------147F-------------------------------
+INT 14 - FOSSIL - REMOVE AN EXTERNAL APPLICATION FUNCTION
+	AH = 7Fh
+	AL = code assigned to external application
+	ES:DX -> entry point
+Return: AX = 1954h
+	BL = code assigned to application (same as input AL)
+	DH = 00h failed
+h successful
+SeeAlso: AH=7Eh
+----------1480-------------------------------
+INT 14 - COMMUNICATIONS FOSSIL
+	AH = 80h
+SeeAlso: AH=7Eh
+----------1480-------------------------------
+INT 14 - COURIERS.COM - INSTALLATION CHECK
+	AH = 80h
+Return: AH = E8h if loaded
+Note:	COURIERS is a TSR utility by PC Magazine
+----------1481-------------------------------
+INT 14 - COURIERS.COM - CHECK IF PORT BUSY
+	AH = 81h
+	AL = port number (1-4)
+Return: AH = 00h port available
+h port exists but already in use
+h port nonexistent
+Note:	COURIERS is a TSR utility by PC Magazine
+SeeAlso: AH=83h,AH=8Dh
+----------1481-------------------------------
+INT 14 - Egberto Willies COMM-DRV - EXTENDED INITIALIZATION
+	AH = 81h
+	BX:DI -> port control block
+Return: ???
+SeeAlso: AH=00h
+Format of port control block:
+Offset	Type	Description
+h	WORD	port IO address
+h	WORD	port IRQ
+h	WORD	baud rate
+h	WORD	parity
+h	WORD	data bits
+Ah	WORD	stop bits
+Ch	WORD	break status
+h off
+Eh	WORD	flow control protocol
+h	BYTE	input block
+h	BYTE	output block
+h	WORD	low threshold
+h	WORD	high threshold
+h	WORD	segment of buffer
+h	WORD	offset of buffer
+Ah	WORD	input buffer length
+Ch	WORD	output buffer length
+Eh	BYTE	auxiliary address
+Fh	BYTE	spare
+h  4 WORDs	spares
+----------148100-----------------------------
+INT 14 - VIDEO FOSSIL - RETURN VFOSSIL INFORMATION
+	AX = 8100h
+	ES:DI -> buffer for VFOSSIL information (see below)
+Return: AX = 1954h if installed
+SeeAlso: AH=7Eh,AX=8101h
+Format of VFOSSIL information:
+Offset	Size	Description
+h	WORD	size of information in bytes, including this field
+h	WORD	VFOSSIL major version
+h	WORD	VFOSSIL revision level
+h	WORD	highest VFOSSIL application function supported
+----------148101-----------------------------
+INT 14 - VIDEO FOSSIL - OPEN VFOSSIL
+	AX = 8101h
+	ES:DI -> buffer for application function table (see below)
+	CX = length of buffer in bytes
+Return: AX = 1954h if installed
+	    BH = highest VFOSSIL application function supported
+Note:	the number of initialized pointers in the application function table
+	  will never exceed CX/4; if the buffer is large enough, BH+1 pointers
+	  will be initialized
+SeeAlso: AX=8102h
+Format of application function table:
+Offset	Size	Description
+h	DWORD	-> function to query current video mode (VioGetMode)
+h	DWORD	-> function to set video mode (VioSetMode)
+h	DWORD	-> function to query hardware config (VioGetConfig)
+Ch	DWORD	-> function to write data in TTY mode (VioWrtTTY)
+h	DWORD	-> function to get current ANSI state (VioGetANSI)
+h	DWORD	-> function to set new ANSI state (VioSetANSI)
+h	DWORD	-> function to get curr cursor position (VioGetCurPos)
+Ch	DWORD	-> function to set cursor position (VioSetCurPos)
+h	DWORD	-> function to get cursor shape (VioGetCurType)
+h	DWORD	-> function to set cursor shape (VioSetCurType)
+h	DWORD	-> function to scroll screen up (VioScrollUp)
+Ch	DWORD	-> function to scroll screen down (VioScrollDn)
+h	DWORD	-> function to read cell string from screen (VioReadCellStr)
+h	DWORD	-> function to read char string from screen (VioReadCharStr)
+h	DWORD	-> function to write a cell string (VioWrtCellStr)
+Ch	DWORD	-> function to write char string, leaving attr (VioWrtCharStr)
+h	DWORD	-> function to write char string,const attr (VioWrtCharStrAttr)
+h	DWORD	-> function to replicate an attribute (VioWrtNAttr)
+h	DWORD	-> function to replicate a cell (VioWrtNCell)
+Ch	DWORD	-> function to replicate a character (VioWrtNChar)
+Format of video mode data structure:
+Offset	Size	Description
+h	WORD	length of structure including this field
+h	BYTE	mode characteristics
+		bit 0: clear if MDA, set otherwise
+		bit 1: graphics mode
+		bit 2: color disabled (black-and-white)
+h	BYTE	number of colors supported (1=2 colors, 4=16 colors, etc)
+h	WORD	number of text columns
+h	WORD	number of text rows
+h	WORD	reserved
+Ah	WORD	reserved
+Ch	DWORD	reserved
+Format of video configuration data:
+Offset	Size	Description
+h	WORD	structure length including this field
+h	WORD	adapter type
+h monochrome/printer
+h CGA
+h EGA
+h VGA
+h 8514/A
+h	WORD	display type
+h monochrome
+h color
+h enhanced color
+h 8514
+h	DWORD	adapter memory size
+Format of cursor type record:
+Offset	Size	Description
+h	WORD	cursor start line
+h	WORD	cursor end line
+h	WORD	cursor width (always 01h)
+h	WORD	cursor attribute (FFFFh = hidden)
+Call VioGetMode with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to video mode data structure (see above)
+Return: AX = error code (00h, 74h, 17Eh, 1B4h)
+h successful
+h internal VIO failure
+h unsupported mode
+h invalid row value
+h invalid column value
+Eh buffer too small
+A5h invalid VIO parameter
+B4h invalid VIO handle
+Call VioSetMode with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to video mode data structure (see above)
+Return: AX = error code (00h, 74h, 163h, 17Eh, 1A5h, 1B4h) (see above)
+Call VioGetConfig with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to video configuration data buffer (see above)
+Return: AX = error code (00h, 74h, 17Eh, 1B4h) (see above)
+Call VioWrtTTY with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	length of string
+		DWORD	pointer to character string to be written to screen
+Return: AX = error code (00h, 74h, 1B4h) (see above)
+Notes:	write wraps at end of line and terminates if it reaches end of screen
+	in ANSI mode, ANSI control sequences are interpreted, and this func is
+	  not required to be reentrant; in non-ANSI mode, the function is
+	  reentrant and may be called from within an MSDOS function call
+Call VioGetANSI with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to WORD which will be set to 00h if ANSI is off
+			or 01h if ANSI is on
+Return: AX = error code (00h, 74h, 1B4h) (see above)
+Call VioSetANSI with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to WORD indicating new state of ANSI
+h off
+h on
+Return: AX = error code (00h, 74h, 1A4h, 1B4h) (see above)
+Call VioGetCurPos with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to WORD to hold current cursor column (0-based)
+		DWORD	pointer to WORD to hold current cursor row (0-based)
+Return: AX = error code (00h, 74h, 1B4h) (see above)
+Call VioSetCurPos with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	cursor column
+		WORD	cursor row
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	if either coordinate is invalid, the cursor is not moved
+Call VioGetCurType with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to cursor type record (see above)
+Return: AX = error code (00h, 74h, 1B4h) (see above)
+Call VioSetCurType with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to cursor type record (see above)
+Return: AX = error code (00h, 74h, 1A4h, 1B4h) (see above)
+Call VioScrollUp with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to char/attr cell for filling emptied rows
+		WORD	number or rows to scroll (FFFFh = clear area)
+		WORD	right column of scroll area
+		WORD	bottom row of scroll area
+		WORD	left column of scroll area
+		WORD	top row of scroll area
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Call VioScrollDn with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to char/attr cell for filling emptied rows
+		WORD	number or rows to scroll (FFFFh = clear area)
+		WORD	right column of scroll area
+		WORD	bottom row of scroll area
+		WORD	left column of scroll area
+		WORD	top row of scroll area
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Call VioReadCellStr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start reading
+		WORD	row at which to start reading
+		DWORD	pointer to WORD containing length of buffer in bytes
+			on return, WORD contains number of bytes actually read
+		DWORD	pointer to buffer for cell string
+Return: AX = error code (00h, 74h, 166h ,167h, 1B4h) (see above)
+Call VioReadCharStr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start reading
+		WORD	row at which to start reading
+		DWORD	pointer to WORD containing length of buffer in bytes
+			on return, WORD contains number of bytes actually read
+		DWORD	pointer to buffer for character string
+Return: AX = error code (00h, 74h, 166h ,167h, 1B4h) (see above)
+Call VioWrtCellStr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	length of cell string in bytes
+		DWORD	pointer to cell string to write
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+Call VioWrtCharStr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	length of character string
+		DWORD	pointer to character string to write
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+Call VioWrtCharStrAttr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		DWORD	pointer to attribute to be applied to each character
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	length of character string
+		DWORD	pointer to character string to write
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+Call VioWrtNAttr with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	number of times to write attribute
+		DWORD	pointer to display attribute to replicate
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+Call VioWrtNCell with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	number of times to write cell
+		DWORD	pointer to cell to replicate
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+Call VioWrtNChar with:
+	STACK:	WORD	VIO handle (must be 00h)
+		WORD	column at which to start writing
+		WORD	row at which to start writing
+		WORD	number of times to write character
+		DWORD	pointer to character to replicate
+Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above)
+Note:	write wraps at end of line and terminates if it reaches end of screen
+----------148102-----------------------------
+INT 14 - VIDEO FOSSIL - CLOSE VFOSSIL
+	AX = 8102h
+Return: AX = 1954h
+Note:	terminates all operations; after this call, the video FOSSIL may either
+	  be removed from memory or reinitialized
+SeeAlso: AX=8101h,AX=8103h
+----------148103-----------------------------
+INT 14 - VIDEO FOSSIL - UNINSTALL
+	AX = 8103h
+Return:	AX = 1954h
+Note:	this is an extension to the VFOSSIL spec by Bob Hartman's VFOS_IBM
+----------1482-------------------------------
+INT 14 - KEYBOARD FOSSIL
+	AH = 82h
+SeeAlso: AH=7Eh
+----------1482-------------------------------
+INT 14 - COURIERS.COM - CONFIGURE PORT
+	AH = 82h
+	AL = port number (1-4)
+	BX = speed (bps)
+	CX = bit flags
+	    bit 0: enable input flow control
+	    bit 1: enable output flow control
+	    bit 2: use X.PC protocol (not yet implemented)
+SeeAlso: AH=00h,AH=8Ch,INT 7A"X.PC"
+----------1483-------------------------------
+INT 14 - SYSTEM FOSSIL
+	AH = 83h
+SeeAlso: AH=7Eh
+----------1483-------------------------------
+INT 14 - COURIERS.COM - START INPUT
+	AH = 83h
+	ES:BX -> circular input buffer
+	CX = length of buffer
+		(should be at least 128 bytes if input flow control enabled)
+SeeAlso: AH=18h,AH=87h,AH=8Dh,AH=A5h"BAPI"
+----------1484-------------------------------
+INT 14 - COURIERS.COM - READ CHARACTER
+	AH = 84h
+Return: ZF set if no characters available
+	ZF clear
+	   AL = character
+	   AH = modem status bits
+		bit 7: set on input buffer overflow
+SeeAlso: AH=02h,AH=86h,AH=89h
+----------1485-------------------------------
+INT 14 - COURIERS.COM - FLUSH PENDING INPUT
+	AH = 85h
+SeeAlso: AH=0Ah,AH=88h
+----------1486-------------------------------
+INT 14 - COURIERS.COM - START OUTPUT
+	AH = 86h
+	ES:BX -> output buffer
+	CX = length of output buffer
+SeeAlso: AH=19h,AH=83h"COURIERS",AH=A4h"BAPI"
+----------1487-------------------------------
+INT 14 - COURIERS.COM - OUTPUT STATUS
+	AH = 87h
+Return: AX = number of unsent characters
+----------1488-------------------------------
+INT 14 - COURIERS.COM - ABORT OUTPUT
+	AH = 88h
+SeeAlso: AH=09h,AH=85h
+----------1489-------------------------------
+INT 14 - COURIERS.COM - SEND SINGLE CHARACTER
+	AH = 89h
+	CL = character to send
+SeeAlso: AH=01h,AH=84h
+----------148A-------------------------------
+INT 14 - COURIERS.COM - SEND BREAK
+	AH = 8Ah
+SeeAlso: AH=89h,AH=FAh
+----------148C-------------------------------
+INT 14 - COURIERS.COM - SET SPEED
+	AH = 8Ch
+	BX = speed in bps
+SeeAlso: AH=00h,AH=82h"COURIERS"
+----------148D-------------------------------
+INT 14 - COURIERS.COM - DECONFIGURE PORT
+	AH = 8Dh
+SeeAlso: AH=82h"COURIERS"
+----------14A0-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - CONNECT TO PORT
+	AH = A0h
+	???
+Return: ???
+SeeAlso: AH=A1h"BAPI"
+----------14A0--CXFFFF-----------------------
+INT 14 - Interconnections Inc. TES - INSTALLATION CHECK/STATUS REPORT
+	AH = A0h
+	CX = FFFFh
+Return: CF clear if successful
+	    AX = 5445h ('TE')
+	    CX <> FFFFh
+	    DX = port number
+	CF set on error
+Note:	TES is a network serial port emulation program
+SeeAlso: AH=A1h"TES"
+----------14A1-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - DISCONNECT FROM PORT
+	AH = A1h
+	???
+Return: ???
+SeeAlso: AH=A0h"BAPI"
+----------14A1-------------------------------
+INT 14 - Interconnections Inc. TES - GET LIST OF SESSIONS WITH STATUS
+	AH = A1h
+Return: CX = number of active sessions
+	ES:SI -> status array (see below)
+SeeAlso: AH=A2h"TES",AH=A3h"TES"
+Format of status array entry:
+Offset	Size	Description
+h	BYTE	status
+h	WORD	offset of name
+----------14A2-------------------------------
+INT 14 - Interconnections Inc. TES - GET LIST OF SERVER NAMES
+	AH = A2h
+Return:	CX = number of servers
+	ES:SI -> array of offsets from ES for server names
+SeeAlso: AH=A1h"TES"
+----------14A3-------------------------------
+INT 14 - Interconnections Inc. TES - START A NEW SESSION
+	AH = A3h
+	ES:SI -> ???
+Return: CF clear if successful
+	    AX = 5445h ('TE')
+	    CX <> FFFFh
+	    DX = port number
+	CF set on error
+SeeAlso: AH=A1h"TES",AH=A4h"TES",AH=A6h"TES"
+----------14A4-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - WRITE BLOCK
+	AH = A4h
+	CX = length
+	DH = session number (00h)
+	ES:BX -> buffer
+Return: CX = number of bytes sent
+SeeAlso: AH=19h,AH=86h,AH=A5h"BAPI"
+----------14A4-------------------------------
+INT 14 - Interconnections Inc. TES - HOLD CURRENTLY ACTIVE SESSION
+	AH = A4h
+	???
+Return: ???
+SeeAlso: AH=A3h"TES",AH=A5h"TES"
+----------14A5-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - READ BLOCK
+	AH = A5h
+	CX = length
+	DH = session number (00h)
+	ES:BX -> buffer
+Return: CX = number of bytes read
+SeeAlso: AH=18h,AH=83h"COURIERS",AH=A4h"BAPI",AX=FF02h
+----------14A5-------------------------------
+INT 14 - Interconnections Inc. TES - RESUME A SESSION
+	AH = A5h
+	AL = session number
+Return: ???
+SeeAlso: AH=A4h"TES",AH=A6h"TES"
+----------14A6-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - SEND SHORT BREAK
+	AH = A6h
+	DH = session number (00h)
+SeeAlso: AH=1Ah,AH=8Ah,AH=FAh
+----------14A6-------------------------------
+INT 14 - Interconnections Inc. TES - DROP A SESSION
+	AH = A6h
+	AL = session number
+Return: AH = status
+h successful
+	    else error
+SeeAlso: AH=A3h"TES",AH=A5h"TES"
+----------14A7-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - READ STATUS
+	AH = A7h
+	???
+Return: ???
+----------14A7-------------------------------
+INT 14 - Interconnections Inc. TES - SWITCH TO NEXT ACTIVE SESSION
+	AH = A7h
+	???
+Return: ???
+SeeAlso: AH=A3h"TES",AH=A5h"TES"
+----------14A8-------------------------------
+INT 14 - Interconnections Inc. TES - SEND STRING TO COMMAND INTERPRETER
+	AH = A8h
+	AL = 00h no visible response
+	ES:SI -> ASCIZ command
+Return: ???
+----------14AF00BXAAAA-----------------------
+INT 14 - 3com BAPI SERIAL I/O - INSTALLATION CHECK
+	AX = AF00h
+	BX = AAAAh
+Return: AX = AF01h if installed
+----------14B0-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - ENABLE/DISABLE "ENTER COMMAND MODE" CHARACTER
+	AH = B0h
+	AL = 00h disable
+	   = 01h enable
+----------14B1-------------------------------
+INT 14 - 3com BAPI SERIAL I/O - ENTER COMMAND MODE
+	AH = B1h
+----------14F0F0-----------------------------
+INT 14 - ASAP v1.0 - ???
+	AX = F0F0h
+	DX = ???
+	???
+Return: ???
+Note:	ASAP (Automatic Screen Access Program) is a shareware screen reader by
+	  MicroTalk
+SeeAlso: AX=F0F1h
+----------14F0F1DX0000-----------------------
+INT 14 - ASAP v1.0 - INSTALLATION CHECK
+	AX = F0F1h
+	DX = 0000h
+Return: DX = segment of resident code
+	   = 0000h if not installed
+Note:	ASAP (Automatic Screen Access Program) is a shareware screen reader by
+	  MicroTalk
+SeeAlso: AX=F0F0h,INT 10/AH=38h
+----------14F4FF-----------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - INSTALLATION CHECK
+	AX = F4FFh
+	DX = port (00h-03h)
+Return: CF clear if present
+	    AX = 0000h
+	CF set if not present
+	    AX <> 0000h
+----------14F9-------------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - REGAIN CONTROL
+	AH = F9h
+	DX = port (00h-03h)
+----------14FA-------------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - SEND BREAK
+	AH = FAh
+	DX = port (00h-03h)
+SeeAlso: AH=1Ah,AH=8Ah
+----------14FB-------------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - SET OUTGOING MODEM SIGNALS
+	AH = FBh
+	AL = modem control register
+	    bit 0: data terminal ready
+: request to send
+: OUT1
+: OUT2
+: loopback
+	    bits 5-7 unused
+	DX = port (00h-03h)
+----------14FC-------------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - READ CHARACTER, NO WAIT
+	AH = FCh
+	DX = port (00h-03h)
+Return: AH = RS232 status bits (see AH=00h)
+	AL = character
+SeeAlso: AH=02h,AH=0Ch,AX=FF02h
+----------14FD02-----------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - READ STATUS
+	AX = FD02h
+Return: CX = number of characters available
+----------14FF02-----------------------------
+INT 14 - IBM/Yale EBIOS SERIAL I/O - BUFFERED READ
+	AX = FF02h
+	CX = length
+	DX = port (00h-03h)
+	ES:BX -> buffer
+Return: CX = number of characters read
+SeeAlso: AH=18h,AH=83h"COURIERS",AH=A5h"BAPI",AH=FCh
+---------------------------------------------
+===== INT 15 =====
+==== Microsoft TSR Specification ====
+No additional information available at this time.
+==== 00h - CASSETTE - TURN ON TAPE DRIVE'S MOTOR (PC and PCjr only) ====
+	AH = 00h
+Return: CF set on error
+	    AH = 86h no cassette present
+	CF clear if successful
+SeeAlso: AH=01h"CASSETTE"
+==== 00h - Amstrad PC1512 - GET AND RESET MOUSE COUNTS ====
+	AH = 00h
+Return: CX = signed X count
+	DX = signed Y count
+----------1500-------------------------------
+INT 15 - VMiX v2+ - INSTALLATION CHECK???
+	AH = 00h
+Return: DX = 0798h???
+----------1500-------------------------------
+INT 15 - MultiDOS Plus - GIVE UP TIME SLICE
+	AH = 00h
+Note:	if issued by the highest-priority task while MultiDOS is using
+	  priority-based rather than round-robin scheduling, control will be
+	  returned to the caller immediately
+SeeAlso: AH=03h"MultiDOS",AX=1000h
+----------1501-------------------------------
+INT 15 - CASSETTE - TURN OFF TAPE DRIVE'S MOTOR (PC and PCjr only)
+	AH = 01h
+Return: CF set on error
+	    AH = 86h no cassette present
+	CF clear if successful
+SeeAlso: AH=00h"CASSETTE"
+----------1501-------------------------------
+INT 15 - Amstrad PC1512 - WRITE DATA TO NON-VOLATILE RAM
+	AH = 01h
+	AL = NVRAM location (00h to 3Fh)
+	BL = NVRAM data value
+Return: AH = return code
+h OK
+h address bad
+h write error
+SeeAlso: AH=02h"Amstrad"
+Format of NVRAM:
+Offset	Size	Description
+h	BYTE	time of day: seconds
+h	BYTE	alarm time: seconds
+h	BYTE	time of day: minutes
+h	BYTE	alarm time: minutes
+h	BYTE	time of day: hours
+h	BYTE	alarm time: hours
+h	BYTE	day of week, 1 = Sunday
+h	BYTE	day of month
+h	BYTE	month
+h	BYTE	year mod 100
+Ah	BYTE	RTC status register A
+		bit 7: set if date/time being updated
+-4: time base speed, default 010 = 32768 Hz
+-0: interrupt rate selection, default 0110 = 1024 Hz
+Bh	BYTE	RTC status register B
+		bit 7: clear if normal update, set if abort update
+: periodic interrupt enable
+: alarm interrupt enable
+: update end interrupt enable
+: square wave enable
+: date mode (clear = BCD, set = binary)
+: 24-hour format
+: daylight saving time enable
+Ch	BYTE	RTC status register C (read-only)
+		bit 7: IRQF flag
+: PF flag
+: AF flag
+: UF flag
+Dh	BYTE	RTC status register D
+		bit 7: battery good
+Eh  6 BYTEs	time and date machine last used
+h	BYTE	user RAM checksum
+h	WORD	Enter key scancode/ASCII code
+h	WORD	Forward delete key scancode/ASCII code
+h	WORD	Joystick fire button 1 scancode/ASCII code
+Bh	WORD	Joystick fire button 2 scancode/ASCII code
+Dh	WORD	mouse button 1 scancode/ASCII code
+Fh	WORD	mouse button 2 scancode/ASCII code
+h	BYTE	mouse X scaling factor
+h	BYTE	mouse Y scaling factor
+h	BYTE	initial VDU mode and drive count
+h	BYTE	initial VDU character attribute
+h	BYTE	size of RAM disk in 2K blocks
+h	BYTE	initial system UART setup byte
+h	BYTE	initial external UART setup byte
+h 24 BYTEs	available for user application
+Note:	bytes 00h-0Dh are the same on the IBM AT as they are used/updated by
+	  the clock chip
+----------1501-------------------------------
+INT 15 - VMiX - I/O CHANNEL OBJECT MANAGER
+	AH = 01h
+	STACK: WORD  object ID of requestor
+	       DWORD pointer to name of requested method
+	       WORD  arg1
+	       WORD  arg2
+	       WORD  arg3
+	       WORD  arg4
+Return: DX:AX??? -> IRP structure or 0000h:0000h
+----------1501-------------------------------
+INT 15 - MultiDOS Plus - REQUEST RESOURCE SEMAPHORE
+	AH = 01h
+	AL = semaphore number (00h-3Fh)
+Return: AH = status
+h successful
+h invalid semaphore number
+Notes:	if the semaphore is not owned, ownership is assigned to the calling
+	  task and the call returns immediately
+	if the semaphore is already owned by another task, the calling task
+	  is placed on a queue for the semaphore and suspended until it can
+	  become owner of the semaphore
+	semaphore 0 is used internally by MultiDOS to synchronize DOS access
+SeeAlso: AH=02h"MultiDOS",AH=10h"MultiDOS",AH=1Bh"MultiDOS"
+----------1502-------------------------------
+INT 15 - CASSETTE - READ DATA
+	AH = 02h
+	CX = number of bytes to read
+	ES:BX -> buffer
+Return:	CF clear if successful
+	    DX = number of bytes read
+	    ES:BX -> byte following last byte read
+	CF set on error
+	AH = status
+h successful
+h CRC error
+h bad tape signals
+h no data
+h invalid command
+h no cassette present
+SeeAlso: AH=00h"CASSETTE",AH=03h"CASSETTE"
+----------1502-------------------------------
+INT 15 - Amstrad PC1512 - READ DATA FROM NON-VOLATILE RAM
+	AH = 02h
+	AL = NVRAM location (00h to 3Fh)
+Return: AH = return code
+h OK
+h address bad
+h checksum error
+	AL = NVRAM data value
+SeeAlso: AH=01h"Amstrad"
+----------1502-------------------------------
+INT 15 - VMiX - MEMORY OBJECT MANAGER
+	AH = 02h
+	STACK:	WORD	object ID of requestor
+		DWORD	pointer to name of requested method
+		WORD	arg1
+		WORD	arg2
+		WORD	arg3
+		WORD	arg4
+		WORD	arg5
+Return: DX:AX??? = pointer to memory block
+----------1502-------------------------------
+INT 15 - MultiDOS Plus - RELEASE RESOURCE SEMAPHORE
+	AH = 02h
+	AL = semaphore number (00h-3Fh)
+Return: AH = status
+h successful
+h not semaphore owner
+h invalid semaphore number
+Notes:	if any tasks are waiting for the semaphore, the first task on the wait
+	  queue will become the new owner and be reawakened
+	do not use within an interrupt handler
+SeeAlso: AH=01h"MultiDOS",AH=10h"MultiDOS",AH=1Ch"MultiDOS"
+----------1503-------------------------------
+INT 15 - CASSETTE - WRITE DATA (PC and PCjr only)
+	AH = 03h
+	CX = number of bytes to write
+	ES:BX -> data buffer
+Return: CF clear if successful
+	    ES:BX -> byte following last byte written
+	CF set on error
+	AH = status (see AH=02h"CASSETTE")
+	CX = 0000h
+SeeAlso: AH=00h"CASSETTE",AH=02h"CASSETTE"
+----------1503-------------------------------
+INT 15 - Amstrad PC1512 - WRITE VDU COLOR PLANE WRITE REGISTER
+	AH = 03h
+	AL = value (I,R,G,B bits)
+SeeAlso: AH=04h"Amstrad"
+----------1503-------------------------------
+INT 15 - VMiX - PROMPTED CONSOLE INPUT
+	AH = 03h
+	STACK:	DWORD	pointer to ASCII prompt
+		WORD	field outline character
+		WORD	length of input field
+		DWORD	address of pointer to input buffer
+		WORD	number of characters input
+Return: AX = length of input (input buffer is padded with blanks)
+----------1503-------------------------------
+INT 15 - MultiDOS Plus - SUSPEND TASK FOR INTERVAL
+	AH = 03h
+	DX = number of time slices to remain suspended
+Return: after specified interval has elapsed
+Note:	when priority-based scheduling is in use, high-priority tasks should
+	  use this function to yield the processor
+SeeAlso: AH=00h"MultiDOS",AH=0Ah"MultiDOS"
+----------1504-------------------------------
+INT 15 - SYSTEM - BUILD ABIOS SYSTEM PARAMETER TABLE (PS)
+	AH = 04h
+	ES:DI -> results buffer length 20h for System Parameter Table
+	DS = segment containing ABIOS RAM extensions (zero if none)
+Return: AH = 00h success: results at ES:DI
+	CF set on failure
+SeeAlso: AH=05h"ABIOS",C1h
+Format of ABIOS System Parameter Table:
+Offset	Size	Description
+h	DWORD	FAR address of ABIOS Common Start Routine
+h	DWORD	FAR address of ABIOS Interrupt Routine
+h	DWORD	FAR address of ABIOS Time-out Routine
+Ch	WORD	number of bytes of stack required by this ABIOS implementation
+Eh 16 BYTEs	reserved
+Eh	WORD	number of entries in initialization table
+----------1504-------------------------------
+INT 15 - Amstrad PC1512 - WRITE VDU COLOR PLANE READ REGISTER
+	AH = 04h
+	AL = value (RDSEL1 and RDSEL0)
+SeeAlso: AH=03h"Amstrad",05h"Amstrad"
+----------1504-------------------------------
+INT 15 - VMiX - VPRINTF
+	AH = 04h
+	STACK:	DWORD	control string
+		DWORD	array of arguments
+----------1504-------------------------------
+INT 15 - MultiDOS Plus - SEND MESSAGE TO ANOTHER TASK
+	AH = 04h
+	AL = mailbox number (00h-3Fh)
+	CX = message length in bytes
+	DS:SI -> message
+Return: AH = status
+h successful
+h out of message memory
+h invalid mailbox number
+Note:	the message is copied into a system buffer; the caller may immediately
+	  reuse its buffer
+SeeAlso: AH=05h"MultiDOS"
+----------1505-------------------------------
+INT 15 - SYSTEM - BUILD ABIOS INITIALIZATION TABLE (PS)
+	AH = 05h
+	ES:DI -> results buffer length (18h * Number_of_Entries)
+	DS = segment containing ABIOS RAM extensions (zero if none)
+Return: AH = 00h success: results at ES:DI
+	CF set on failure
+SeeAlso: AH=04h"ABIOS",C1h
+Format of one entry of ABIOS Initialization Table:
+Offset	Size	Description
+h	WORD	device ID
+h	WORD	number of Logical IDs
+h	WORD	Device Block length (zero for ABIOS patch or extension)
+h	DWORD	-> init routine for Device Block and Function Transfer Table
+Ah	WORD	request block length
+Ch	WORD	Function Transfer Table length (zero for a patch)
+Eh	WORD	Data Pointers length (in Common Data Area)
+h	BYTE	secondary device ID (hardware level this ABIOS ver supports)
+h	BYTE	revision (device driver revision level this ABIOS supports)
+h  6 BYTEs	reserved
+----------1505-------------------------------
+INT 15 - Amstrad PC1512 - WRITE VDU GRAPHICS BORDER REGISTER
+	AH = 05h
+	AL = value (I,R,G,B bits)
+SeeAlso: AH=04h"Amstrad"
+----------1505-------------------------------
+INT 15 - VMiX - GET PROCESS ID OF CURRENT PROCESS
+	AH = 05h
+Return: AX = process ID
+SeeAlso: AH=06h"VMiX",AH=0Bh"VMiX"
+----------1505-------------------------------
+INT 15 - MultiDOS Plus - CHECK MAILBOX
+	AH = 05h
+	AL = mailbox number (00h-3Fh)
+Return: AH = status
+h successful
+		DX = length of first message in queue, 0000h if no message
+h invalid mailbox number
+SeeAlso: AH=04h"MultiDOS",AH=06h"MultiDOS"
+----------1506-------------------------------
+INT 15 - Amstrad PC1512 - GET ROS VERSION NUMBER
+	AH = 06h
+Return: BX = version number
+----------1506-------------------------------
+INT 15 - VMiX - GET POINTER TO PROCESS CONTROL BLOCK
+	AH = 06h
+	STACK:	WORD	process ID
+Return: DX:AX??? -> process control block
+SeeAlso: AH=07h"VMiX",AH=08h"VMiX"
+----------1506-------------------------------
+INT 15 - MultiDOS Plus - READ MAILBOX
+	AH = 06h
+	AL = mailbox number (00h-3Fh)
+	CX = size of buffer in bytes
+	ES:DI -> buffer for message
+Return: AH = status
+h successful
+		CX = number of bytes copied
+		DX = actual length of message
+h invalid mailbox number
+Note:	if the caller's buffer is not large enough, the message is truncated
+	  and the remainder is lost
+SeeAlso: AH=04h"MultiDOS",AH=05h"MultiDOS"
+----------1507-------------------------------
+INT 15 - VMiX - GET POINTER TO OBJECT CONTROL BLOCK
+	AH = 07h
+	STACK:	WORD	object type
+Return: DX:AX??? -> object control block
+SeeAlso: AH=06h"VMiX",AH=08h"VMiX"
+----------1507-------------------------------
+INT 15 - MultiDOS Plus - SPAWN INTERNAL TASK (CREATE NEW THREAD)
+	AH = 07h
+	BX:CX = entry point of new task
+	DX = stack size in paragraphs
+Return: AH = status
+h successful
+h no free task control blocks
+h no free memory for task's stack
+Note:	execution returns immediately to calling task
+SeeAlso: AH=08h"MultiDOS",AH=09h"MultiDOS",AH=13h"MultiDOS"
+----------1508-------------------------------
+INT 15 - VMiX - GET CHANNEL CONTROL BLOCK
+	AH = 08h
+	STACK:	WORD	channel ID
+Return: DX:AX??? -> channel control block
+SeeAlso: AH=06h"VMiX",AH=07h"VMiX"
+----------1508-------------------------------
+INT 15 - MultiDOS Plus - TERMINATE INTERNAL TASK (KILL THREAD)
+	AH = 08h
+Return: calling task terminated, so execution never returns to caller
+Notes:	an internal task must be terminated with this function rather than a
+	  DOS termination function
+	task's stack space is returned to parent task's memory pool
+SeeAlso: AH=07h"MultiDOS"
+----------1509-------------------------------
+INT 15 - VMiX - GET ID OF QUEUED ELEMENT
+	AH = 09h
+	STACK:	WORD	queue ID (0 = process queue, 1 = object, 3 = type)
+		WORD	subqueue ID
+Return: AX = ID
+SeeAlso: AH=0Ah"VMiX"
+----------1509-------------------------------
+INT 15 - MultiDOS Plus - CHANGE TASK'S PRIORITY
+	AH = 09h
+	AL = new priority
+Note:	the priority has different meanings depending on whether priority-
+	  based or round-robin scheduling is used
+SeeAlso: AH=07h"MultiDOS"
+----------150A-------------------------------
+INT 15 - VMiX - GET ID OF NEXT QUEUED ELEMENT
+	AH = 0Ah
+	STACK:	WORD	queue ID (0 = process queue, 1 = object, 3 = type)
+		WORD	ID of current element in queue chain
+Return: AX = ID of next element
+SeeAlso: AH=09h"VMiX",AH=0Fh"VMiX"
+----------150A-------------------------------
+INT 15 - MultiDOS Plus - CHANGE TIME SLICE INTERVAL
+	AH = 0Ah
+	AL = new interval
+h = 55.0 ms (default)
+h = 27.5 ms
+h = 13.75 ms
+h = 6.88 ms
+h = 3.44 ms
+h = 1.72 ms
+SeeAlso: AH=03h"MultiDOS"
+----------150B-------------------------------
+INT 15 - VMiX - GET TOTAL NUMBER OF ACTIVE PROCESSES
+	AH = 0Bh
+Return: AX = number of active processes
+SeeAlso: AH=05h"VMiX",AH=0Eh"VMiX"
+----------150B-------------------------------
+INT 15 - MultiDOS Plus - FORCE DISPLAY OUTPUT TO PHYSICAL SCREEN MEMORY
+	AH = 0Bh
+Notes:	sets calling task's screen pointer to actual screen memory; the pointer
+	  may be restored with AH=0Ch
+	caller's video mode must be same as foreground task's video mode
+	any text written while in the background will be saved to the
+	  foreground task's virtual screen when it switches to the background
+	useful if a background task wants to display a message on the
+	  foreground screen
+SeeAlso: AH=0Ch"MultiDOS"
+==== 0Ch - VMiX - GET POINTER TO PROCESS TSS STACK ====
+	AH = 0Ch
+	STACK:	WORD	process ID
+Return: DX:AX??? -> TSS stack store
+==== 0Ch - MultiDOS Plus - RESTORE OLD VIDEO DISPLAY MEMORY ====
+	AH = 0Ch
+Note:	restores task's screen pointer saved by AH=0Bh; must not be called
+	  unless AH=0Bh has been called first
+SeeAlso: AH=0Bh"MultiDOS"
+==== 0Dh - VMiX - START A CHILD PROCESS JOB SHELL ====
+	AH = 0Dh
+	STACK:	DWORD	ASCIZ string starting with requested I/O channel and
+			followed by standard VMiX shell command string
+Return: AX = status
+SeeAlso: AH=0Eh"VMIX"
+----------150D-------------------------------
+INT 15 - MultiDOS Plus - DISABLE MULTITASKING
+	AH = 0Dh
+Note:	calling task receives all time slices until AH=0Eh is called; this
+	  allows time-critical events or nonreentrant code to be processed
+SeeAlso: AH=0Eh"MultiDOS",AH=10h"MultiDOS",AX=101Bh,AH=20h"MultiDOS"
+----------150E-------------------------------
+INT 15 - VMiX - TERMINATE PROCESS
+	AH = 0Eh
+	STACK:	WORD	process ID
+Return: AX = status
+SeeAlso: AH=0Bh"VMiX",AH=0Dh"VMIX"
+----------150E-------------------------------
+INT 15 - MultiDOS Plus - ENABLE MULTITASKING
+	AH = 0Eh
+SeeAlso: AH=0Dh"MultiDOS",AX=101Ch,AH=20h"MultiDOS"
+----------150F-------------------------------
+INT 15 - SYSTEM - FORMAT UNIT PERIODIC INTERRUPT (PS ESDI drives only)
+	AH = 0Fh
+	AL = phase code
+h reserved
+h surface analysis
+h formatting
+Return: CF clear if formatting should continue, set if it should terminate
+Note:	called during ESDI drive formatting after each cylinder is completed
+SeeAlso: INT 13/AH=1Ah
+----------150F-------------------------------
+INT 15 - VMiX - GET KEY FIELD OF QUEUED ELEMENT
+	AH = 0Fh
+	STACK:	WORD	queue ID (0 = process queue, 1 = object q, 3 = type q)
+		WORD	ID of element in queue chain
+Return: AX = key
+SeeAlso: AH=0Ah"VMiX"
+----------150F-------------------------------
+INT 15 - MultiDOS Plus - EXECUTE A MULTIDOS PLUS COMMAND
+	AH = 0Fh
+	DS:BX -> ASCIZ command
+Return: after command has been processed
+Notes:	specified string is executed as if it had been typed at the MultiDOS
+	  command prompt
+	the task is placed on a queue which MultiDOS examines periodically and
+	  is suspended until MultiDOS has processed the command
+	all lowercase characters up to the first blank are converted to upper
+	  case within the given buffer
+----------1510-------------------------------
+INT 15 - VMiX - EXECUTE FUNCTION IN PROTECTED MODE
+	AH = 10h
+	STACK:	DWORD	pointer to function
+	      N	WORDs	function args
+Return: ???
+----------1510-------------------------------
+INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE
+	AH = 10h
+	AL = semaphore number (00h-3Fh)
+Return: AH = status
+h semaphore not in use
+h semaphore owned by another task
+h invalid semaphore number
+h semaphore owned by caller
+SeeAlso: AH=02h"MultiDOS",AH=0Dh"MultiDOS",AH=1Dh"MultiDOS"
+----------151000-----------------------------
+INT 15 - TopView - "PAUSE" - GIVE UP CPU TIME
+	AX = 1000h
+Return: after other processes run
+Note:	under DESQview, if the process issuing this call has hooked INT 08h,
+	  the current time-slice is set to expire at the next clock tick rather
+	  than immediately
+SeeAlso: AH=00h"MultiDOS",AX=5305h,INT 21/AH=EEh"DoubleDOS",INT 2F/AX=1680h
+SeeAlso: INT 60/DI=0106h,INT 62/AH=01h,INT 7A/BX=000Ah,INT 7F/AH=E8h
+----------151001-----------------------------
+INT 15 - TopView - "GETMEM" - ALLOCATE "SYSTEM" MEMORY
+	AX = 1001h
+	BX = number of bytes to allocate
+Return: ES:DI -> block of memory or 0000h:0000h (DV v2.26+)
+Note:	use SETERROR (AX=DE15h) to avoid a user prompt if there is insufficient
+	  common memory
+SeeAlso: AX=1002h,AX=DE0Ch,AX=DE15h
+----------151002-----------------------------
+INT 15 - TopView - "PUTMEM" - DEALLOCATE "SYSTEM" MEMORY
+	AX = 1002h
+	ES:DI -> previously allocated block
+Return: block freed
+SeeAlso: AX=1001h,AX=DE0Dh
+----------151003-----------------------------
+INT 15 - TopView - "PRINTC" - DISPLAY CHARACTER/ATTRIBUTE ON SCREEN
+	AX = 1003h
+	BH = attribute
+	BL = character
+	DX = segment of object handle for window
+Note:	BX=0 does not display anything, it only positions the hardware cursor
+----------1510-------------------------------
+INT 15 - TopView - UNIMPLEMENTED IN DV 2.x
+	AH = 10h
+	AL = 04h thru 12h
+Return: pops up "Programming error" window in DV 2.x
+----------151013-----------------------------
+INT 15 - TopView - "GETBIT" - DEFINE A 2ND-LEVEL INTERRUPT HANDLER
+	AX = 1013h
+	ES:DI -> FAR service routine
+Return: BX = bit mask indicating which bit was allocated
+h if no more bits available
+SeeAlso: AX=1014h,AX=1015h
+Note:	only a few TopView/DESQview API calls are allowed during a hardware
+	  interrupt; if other calls need to be made, the interrupt handler
+	  must schedule a 2nd-level interrupt with "SETBIT" (AX=1015h)
+----------151014-----------------------------
+INT 15 - TopView - "FREEBIT" - UNDEFINE A 2ND-LEVEL INTERRUPT HANDLER
+	AX = 1014h
+	BX = bit mask from INT 15/AX=1013h
+SeeAlso: AX=1013h,AX=1015h
+----------151015-----------------------------
+INT 15 - TopView - "SETBIT" - SCHEDULE ONE OR MORE 2ND-LEVEL INTERRUPTS
+	AX = 1015h
+	BX = bit mask for interrupts to post
+Return: indicated routines will be called: (DV 2.0x) at next task switch
+					   (DV 2.2x) immediately
+SeeAlso: AX=1013h,AX=1014h
+Notes:	this is one of the few TopView calls which are allowed from a hardware
+	  interrupt handler
+	the handler will be called with ES containing the segment of the handle
+	  of the next task to be executed; on return, ES must be the segment of
+	  a task handle
+----------151016-----------------------------
+INT 15 - TopView - "ISOBJ" - VERIFY OBJECT HANDLE
+	AX = 1016h
+	ES:DI = possible object handle
+Return: BX = FFFFh if ES:DI is a valid object handle
+h if ES:DI is not
+SeeAlso: AX=DE14h,AX=DE2Bh
+----------151017-----------------------------
+INT 15 - TopView - UNIMPLEMENTED IN DV 2.x
+	AX = 1017h
+Return: pops up "Programming error" window in DV 2.x
+----------151018-----------------------------
+INT 15 - TopView - "LOCATE" - FIND WINDOW AT A GIVEN SCREEN LOCATION
+	AX = 1018h
+	BH = column
+	BL = row
+	ES = segment of object handle for window below which to search
+h = start search with topmost window
+Return: ES = segment of object handle for window which is visible at the
+	       indicated position, or covered by indicated window
+	   = 0000h no window
+SeeAlso: AX=1023h,AX=1024h
+----------151019-----------------------------
+INT 15 - TopView - "SOUND" - MAKE TONE
+	AX = 1019h
+	BX = frequency in Hertz (0000h = silence)
+	CX = duration in clock ticks (18.2 ticks/sec)
+Return: immediately, tone continues to completion
+Notes:	if another tone is already playing, the new tone does not start until
+	  completion of the previous one.  Up to 32 tones may be queued before
+	  the process is blocked until a note completes.
+	in DV 2.00, the lowest tone allowed is 20 Hz
+	if CX = 0, the current note is cancelled; if BX = 0 as well, all queued
+	  notes are also cancelled
+SeeAlso: INT 16/AH=73h
+----------15101A-----------------------------
+INT 15 - TopView - "OSTACK" - SWITCH TO TASK'S INTERNAL STACK
+	AX = 101Ah
+Return: stack switched
+Notes:	this call may not be nested; a second call must be preceded by a call
+	  to "USTACK" (AX=1025h)
+	while TopView requires many API calls to be executed while on the
+	  task's internal stack, DESQview allows those calls to be executed
+	  regardless of the current stack
+SeeAlso: AX=1025h
+----------15101B-----------------------------
+INT 15 - TopView - "BEGINC" - BEGIN CRITICAL REGION
+	AX = 101Bh
+Return: task-switching temporarily disabled
+Notes:	will not task-switch until "ENDC" (AX = 101Ch) called unless task
+	  voluntarily releases the CPU (upon regaining the CPU, task-switching
+	  will again be disabled)
+	suspends the caller until DOS is free
+SeeAlso: AH=0Dh"MultiDOS",AX=101Ch,AX=DE13h,AX=DE1Ch,INT 2F/AX=1681h
+SeeAlso: INT 60/DI=0602h
+----------15101C-----------------------------
+INT 15 - TopView - "ENDC" - END CRITICAL REGION
+	AX = 101Ch
+Return: task-switching enabled
+Note:	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=101Bh,AX=DE13h,AX=DE1Bh,INT 2F/AX=1682h,INT 60/DI=0603h
+----------15101D-----------------------------
+INT 15 - TopView - "STOP" - STOP TASK
+	AX = 101Dh
+	ES = segment of object handle for task to be stopped
+	     (== handle of main window for that task)
+Return: indicated task will not get any CPU time until restarted with AX=101Eh
+Note:	once a task has been stopped, additional "STOP"s are ignored
+BUG:	in DV 2.00, this function is ignored unless the indicated task is the
+	  current task
+SeeAlso: AX=101Eh,AX=102Bh,AH=12h"VMiX"
+----------15101E-----------------------------
+INT 15 - TopView - "START" - START TASK
+	AX = 101Eh
+	ES = segment of object handle for task to be started
+	     (== handle of main window for that task)
+Return: indicated task is started up again
+Note:	once a task has been started, additional "START"s are ignored
+SeeAlso: AX=101Dh,AX=102Bh
+----------15101F-----------------------------
+INT 15 - TopView - "DISPEROR" - POP-UP ERROR WINDOW
+	AX = 101Fh
+	BX = bit fields
+	     bits 0-12: number of characters to display
+	     bits 13,14: which mouse button may be pressed to remove window
+= either
+= left
+= right
+= either
+	     bit 15: beep if 1
+	ES:DI -> text of message
+	CH = width of error window (0 = default)
+	CL = height of error window (0 = default)
+	DX = segment of object handle
+Return: BX = status: 1 = left button, 2 = right, 27 = ESC pressed
+Note:	window remains on-screen until ESC or indicated mouse button is pressed
+----------151020-----------------------------
+INT 15 - TopView - UNIMPLEMENTED IN DV v2.00+
+	AX = 1020h
+Return: pops up "Programming error" window in DV v2.00+
+----------151021-----------------------------
+INT 15 - TopView - "PGMINT" - INTERRUPT ANOTHER TASK
+	AX = 1021h
+	BX = segment of object handle for task to interrupt (not self)
+	DX:CX -> FAR routine to jump to next time task is run
+Return: nothing
+Notes:	the FAR routine is entered with the current ES, DS, SI, DI, and BP
+	  values, using the task's internal stack (see AX=101Ah); only SS:SP
+	  needs to be preserved
+	multiple PGMINTs to a single task are processed last-in first-out
+	if the other task is in a DOS or DV API call, the interruption will
+	  occur on return from that call
+----------151022BX0000-----------------------
+INT 15 - TopView - "GETVER" - GET VERSION
+	AX = 1022h
+	BX = 0000h
+Return: BX nonzero, TopView or compatible loaded
+	(BL = major version, BH = minor version)
+Notes:	TaskView returns BX = 0001h, DESQview v2.00+ returns BX = 0A01h
+----------151023-----------------------------
+INT 15 - TopView - "POSWIN" - POSITION WINDOW
+	AX = 1023h
+	BX = segment of object handle for parent window within which to
+	     position the window (0 = full screen)
+	ES = segment of object handle for window to be positioned
+	DL = bit flags
+	     bits 0,1: horizontal position
+= current
+= center
+= left
+= right
+	     bits 2,3: vertical position
+= current
+= center
+= top
+= bottom
+	     bit 4: don't redraw screen if set
+	     bits 5-7 not used
+	CH = number of columns to offset from position specified by DL
+	CL = number of rows to offset from position specified by DL
+Return: nothing
+----------151024-----------------------------
+INT 15 - TopView - "GETBUF" - GET VIRTUAL SCREEN INFO
+	AX = 1024h
+	BX = segment of object handle for window
+	      (0 = use default)
+Return: ES:DI -> virtual screen
+	CX = size of virtual screen in bytes
+	DL = 00h text screen
+h graphics screen
+SeeAlso: INT 10/AH=FEh,INT 21/AH=2Bh/CX=4445h
+----------151025-----------------------------
+INT 15 - TopView - "USTACK" - SWITCH BACK TO USER'S STACK
+	AX = 1025h
+Return: stack switched back
+Notes:	call only after having switched to internal stack with AX=101Ah
+	while TopView requires many API calls to be executed while on the
+	  task's private stack, DESQview allows those calls to be executed
+	  regardless of the current stack
+SeeAlso: AX=101Ah
+----------1510-------------------------------
+INT 15 - DESQview (TopView???) - UNIMPLEMENTED IN DV 2.x
+	AH = 10h
+	AL = 26h thru 2Ah
+Return: pops up "Programming error" window in DV 2.x
+----------15102B-----------------------------
+INT 15 - DESQview v2.00+ (TopView???) - "POSTTASK" - AWAKEN TASK
+	AX = 102Bh
+	BX = segment of object handle for task
+Return: nothing
+Note:	forces a task which is waiting on its objectq to continue by placing
+	  the handle for the task on the objectq
+SeeAlso: AX=101Dh,AX=101Eh
+----------15102C-----------------------------
+INT 15 - DESQview v2.00+ (TopView???) - START NEW APPLICATION IN NEW PROCESS
+	AX = 102Ch
+	ES:DI -> contents of .PIF/.DVP file (see below)
+	BX = size of .PIF/.DVP info
+Return: BX = segment of object handle for new task
+h on error
+Format of .PIF/.DVP file:
+Offset	Size	Description
+h	BYTE	reserved (0)
+h	BYTE	checksum of bytes 02h through 170h
+h 30 BYTEs	blank-padded program title
+h	WORD	maximum memory to allocate to partition in K
+h	WORD	minimum memory required in K
+h 64 BYTEs	ASCIZ program pathname
+h	BYTE	default drive letter ('A',...)
+h 64 BYTEs	ASCIZ default directory name
+ A5h 64 BYTEs	ASCIZ program parameters
+ E5h	BYTE	initial screen mode (0-7) (see also offset 189h)
+ E6h	BYTE	number of text pages used
+ E7h	BYTE	number of first interrupt to save
+ E8h	BYTE	number of last interrupt to save
+ E9h	BYTE	rows in virtual screen buffer
+ EAh	BYTE	columns in virtual screen buffer
+ EBh	BYTE	initial window position, row
+ ECh	BYTE	initial window position, column
+ EDh	WORD	system memory in K
+ EFh 64 BYTEs	ASCIZ shared program name
+Fh 64 BYTEs	ASCIZ shared program data file
+Fh	BYTE	flags1
+		bit 7: writes text directly to screen
+		bit 6: runs in foreground only
+		bit 5: uses math coprocessor
+		bit 4: accesses system keyboard buffer directly
+		bits 3-1: reserved (0)
+		bit 0: swappable
+h	BYTE	flags2
+		bit 6: uses command-line parameters in field at A5h
+		bit 5: swaps interrupt vectors
+---information unique to .DVP files---
+h  2 BYTEs	keys to use on open menu
+h	WORD	size of script buffer in bytes
+h	WORD	automatically give up CPU after this many tests for keyboard
+		input in one clock tick (default 0 = never)
+h	BYTE	nonzero = "uses own colors"
+h	BYTE	nonzero if application swappable
+h  3 BYTEs	reserved (0) according to Quarterdeck documentation
+		in actual .DVP files, frequently 01h
+Ch	BYTE	nonzero to automatically close on exit
+Dh	BYTE	nonzero if copy-protect floppy is required
+---information unique to DESQview 2.0+---
+Eh	BYTE	.DVP version number
+h DESQview v1.2+
+h DESQview v2.0+
+h DESQview v2.2+
+Fh	BYTE	reserved (0)
+h	BYTE	initial number of rows in physical window
+h	BYTE	initial number of columns in physical window
+h	WORD	maximum expanded memory to allow, in K
+h	BYTE	flags3
+		bit 7: automatically assign window position
+		bit 5: maximum memory value has been specified
+		bit 4: disallow "Close" command
+		bit 3: foreground-only when doing graphics
+		bit 2: don't virtualize
+		bit 1: ??? set by DV 2.31 when "Runs in Background" = "D"
+h	BYTE	keyboard conflict level (0-4 for DV<2.26, 00h-0Fh for DV2.26+)
+h	BYTE	number of graphics pages used
+h	WORD	extra system memory size
+h	BYTE	initial screen mode (FFh = default) (overrides offset E5h)
+---information unique to DESQview 2.2+---
+Ah	BYTE	serial port usage
+		FFh uses all serial ports
+h no serial ports
+h only COM1
+h only COM2
+Bh	BYTE	flags4
+		bit 7: automatically close application on exit if .COM or .EXE
+			specified
+		bit 6: swappable if not using serial ports
+		bit 5: start program with window hidden (v2.26+)
+		bit 4: start program in background (v2.26+)
+		bit 3: virtualize text
+		bit 2: virtualize graphics
+		bit 1: share CPU when foreground
+		bit 0: share EGA when foreground and zoomed
+Ch	BYTE	protection level for 386 machines
+Dh 19 BYTEs	reserved (0) for regular DESQview
+---information unique to DESQview/X 1.0---
+Dh	BYTE	flags5
+		bit 0: unused (0)
+		bit 1: don't display DOS window
+		bit 2: don't wait for windows to open
+		bits 3-7: unused (0)
+Eh	BYTE	X keyboard behavior (0-3)
+Fh	BYTE	01h = uses scalable fonts
+h 10 BYTEs	unused (0)
+Ah	WORD???	sum of all record size fields in records starting at 1A0h
+Ch  4 BYTEs   signature "XDVP"
+A0h  N BYTEs   variable length records
+		Offset	Size	Description
+h	BYTE	length of following record, 00h if end of file
+h	BYTE	always 0??? (or length may be WORD)
+h	BYTE	record type
+h Script filename, up to 64 characters
+h Starting... values: ASCII copy of fields
+				    as typed into DVPMAN, separated by commas:
+				    	starting row, starting column, starting
+					height, starting width
+h  N BYTEs	ASCII data
+----------15102D-----------------------------
+INT 15 - DESQview v2.00+ - "KMOUSE" - KEYBOARD MOUSE CONTROL
+	AX = 102Dh
+	BL = subfunction
+h determine whether using keyboard mouse
+		Return: BL = 00h using real mouse
+h using keyboard mouse
+h turn keyboard mouse on
+h turn keyboard mouse off
+----------15102E-----------------------------
+INT 15 - DESQview v2.40 - ALLOCATE ??? MEMORY
+	AX = 102Eh
+	BX = number of bytes
+Return: AX = status
+h successful
+		ES = segment of allocated memory
+h failed
+----------1511-------------------------------
+INT 15 - TopView commands
+	AH = 11h
+	AL = various (except 17h)
+Note:	in DESQview 2.x, these function calls are identical to AH=DEh, so
+	  see those below
+SeeAlso: AH=DEh
+----------1511-------------------------------
+INT 15 - VMiX - EXECUTE SHELL SYSTEM COMMANDS
+	AH = 11h
+	STACK:	DWORD	pointer to ASCIZ string containing a VMiX shell
+			request (max len = 127)
+Return: AX = status
+----------1511-------------------------------
+INT 15 - MultiDOS Plus - TURN OFF AltZ TOGGLE
+	AH = 11h
+Note:	disables the Alt-Z MultiDOS command/program-selection hotkey
+SeeAlso: AH=12h"MultiDOS"
+----------151117BX0000-----------------------
+INT 15 - DESQview v2.20+ - "ASSERTMAP" - GET/SET MAPPING CONTEXT
+	AX = 1117h
+	BX = 0000h	get current mapping context without setting
+	     nonzero	set new mapping context
+Return: BX = mapping context in effect before call
+	interrupts enabled
+Notes:	this function differs from AX = DE17h for DESQview v2.20 through 2.25
+	mapping contexts determine conventional-memory addressability; setting
+	  a mapping context ensures that the associated program and data areas
+	  are in memory for access.  Usable by drivers, TSRs and shared
+	  programs.
+	caller need not be running under DESQview, but must ensure that the
+	  stack in use will not be mapped out by the call
+SeeAlso: AX=DE17h,INT 2F/AX=1685h
+----------1511DE-----------------------------
+INT 15 - DESQview - QEXT.SYS - INSTALLATION CHECK
+	AX = 11DEh
+Return: CF clear if installed
+	    AX = segment at which QEXT.SYS is located
+Note:	a private entry point may be found by searching the beginning of the
+	  returned segment for the signature string
+	  "QUARTERDECK EXTENDED MEMORY MANAGER 286"; the word immediately
+	  prior to the signature contains the QEXT version number in BCD,
+	  and the word prior to that contains the offset within the QEXT
+	  code segment of the private entry point
+SeeAlso: INT 67/AH=3Fh
+Call private entry point with:
+	AH = 00h ???
+	AH = nonzero ???
+----------1512-------------------------------
+INT 15 - VMiX - PUT PROCESS TO SLEEP
+	AH = 12h
+	STACK:	WORD	process ID
+Return: AX = status
+SeeAlso: AH=03h"MultiDOS",AX=101Dh,AH=13h"VMiX"
+----------1512-------------------------------
+INT 15 - MultiDOS Plus - TURN ON AltZ TOGGLE
+	AH = 12h
+Note:	enables the Alt-Z MultiDOS command/program-selection hotkey
+SeeAlso: AH=11h"MultiDOS"
+----------1512--BH00-------------------------
+INT 15 - TopView - SEND MESSAGE - "HANDLE" - RETURN OBJECT HANDLE
+	AH = 12h
+	BH = 00h
+	BL = which handle to return
+h handle in DWORD on top of stack
+h current task's window handle
+h given task's mailbox handle (task's handle on stack)
+h current task's mailbox handle
+h given task's keyboard handle (task's handle on stack)
+h current task's keyboard object handle
+h given task's OBJECTQ handle (task's handle on stack)
+h current task's OBJECTQ handle
+h	  \
+	      thru > return 0000:0000 under DV < 2.26
+h	  /
+Ch (2.26+) task owning object with handle in DWORD on top of stack
+Dh (2.26+) task handle of owner (parent) of current task
+Return: DWORD on top of stack is object handle
+Note:	BL=0Ch,0Dh returns 00000000h if the object is not open (keyboard,
+	  mailbox, panel, pointer, and timer objects) or is an orphan (task,
+	  window)
+----------1512--BH01-------------------------
+INT 15 - TopView - SEND MESSAGE - "NEW" - CREATE NEW OBJECT
+	AH = 12h
+	BH = 01h
+	BL = object type to create
+h (DV 2.0x only) handle is DWORD on top of stack
+h (DV 2.0x only) use task's window handle
+h (DV 2.0x only) given task's mailbox (task's handle on stack)
+h (DV 2.0x only) current task's mailbox
+h (DV 2.0x only) given task's keyboard (task's handle on stack)
+h (DV 2.0x only) current task's keyboard object
+h WINDOW class
+h MAILBOX class
+Ah KEYBOARD class
+Bh TIMER object (counts down 32-bit time in 10ms increments)
+Fh POINTER object
+h PANEL object
+	STACK: (if window object or WINDOW class)
+	       DWORD address to jump to (no new task if high word == 0)
+	       DWORD (reserved) 0 = non-task window, FFFFh = task window
+	       DWORD bytes for task's private stack (FFFFh == default of 0100h)
+	       DWORD bytes system memory for input buffer for READ/READN
+			(0 == none, -1 == default--same as logical window size)
+	       DWORD window size, columns
+	       DWORD window size, rows
+	       DWORD length of window title
+	       DWORD address of window title
+Return: DWORD on top of stack is new object handle
+Notes:	if a new task is created, it is started with
+	  AX = BX = SI = DI = BP = 0
+	  DX:CX = handle of parent task
+	  DS = ES = SS = segment of private stack (and new task's handle)
+	new windows are orphans, inherit the colors/hidden status of the
+	  creating task's window, and are placed in the upper left hand corner
+	  of the screen but not automatically redrawn
+	new keyboards are closed, and have all object bits cleared except for
+	  the hardware cursor bit
+SeeAlso: AH=12h/BH=02h
+----------1512--BH02-------------------------
+INT 15 - TopView - SEND MESSAGE - "FREE" - FREE AN OBJECT
+	AH = 12h
+	BH = 02h
+	BL = object
+h handle in DWORD on top of stack
+		window: close window and free
+		timer: free timer
+		panel: free panel object
+		pointer: free pointer
+h task's window handle - kills task, never returns
+h given task's mailbox (task's handle on top of stack)
+h current task's mailbox
+h given task's keyboard (task's handle on top of stack)
+h current task's keyboard object
+Notes:	when a window is freed, its keyboard and pointer objects are freed;
+	  task windows also free any mailbox, objectq, and panel objects held
+	  by the task and any child tasks
+	if the keyboard being freed is the default keyboard for a task, this
+	  call is equivalent to CLOSE
+	panel and pointer objects are automatically closed if open
+SeeAlso: AH=12h/BH=01h,AH=12h/BH=0Dh
+----------1512--BH03-------------------------
+INT 15 - TopView - SEND MESSAGE - "ADDR" - GET HANDLE OF MESSAGE SENDER
+	AH = 12h
+	BH = 03h
+	BL = object
+h mailbox handle in DWORD on top of stack
+h sender of last msg read from mailbox (task's handle on stack)
+h sender of last msg read from current task's mailbox
+Return: DWORD on stack is task handle of message sender
+SeeAlso: AH=12h/BH=00h
+----------1512--BH03-------------------------
+INT 15 - DESQview v2.26+ - "CONNECT" - CONNECT TWO WINDOWS
+	AH = 12h
+	BH = 03h
+	BL = window to be connected
+h handle of window to be attached in DWORD on top of stack
+h attach current task's main window
+	STACK: DWORD handle of window to attach to or 00000000h to detach
+Return: ???
+Notes:	when two windows are connected, both will move if the user moves either
+	multiple windows may be attached to a single window, but each window
+	  may only be attached to one window at a time
+----------1512--BX0300-----------------------
+INT 15 - TopView - SEND MESSAGE - "DIR" - GET PANEL FILE DIRECTORY
+	AH = 12h
+	BX = 0300h
+	STACK: DWORD handle of panel object
+Return: STACK: DWORD length of directory (always multiple of 14 bytes)
+	       DWORD address of directory
+Note:	a null string is returned if the object is not open
+Format of panel file:
+Offset	Size	Description
+h  2 BYTEs	C0h C3h
+h	BYTE	number of panels in file
+h	for each panel in file:
+BYTEs  blank-padded panel name
+	      DWORD  panel offset in file
+	      WORD   panel length
+	data for panels (each consists of one or more window/query/manager
+	streams)
+	    first byte of each panel must be 1Bh, fifth byte must be E5h
+----------1512--BH04-------------------------
+INT 15 - TopView - SEND MESSAGE - "READ" - READ NEXT LOGICAL LINE OF WINDOW
+	AH = 12h
+	BH = 04h
+	BL = window to read from
+h handle is DWORD on top of stack
+h use calling task's default window
+Ch (DV 2.26+) default window of task owning handle on top of stack
+Dh (DV 2.26+) default window of parent task of current task
+Return: STACK:	DWORD number of bytes read
+		DWORD address of buffer
+Notes:	reading starts at the current logical cursor position; the cursor is
+	  updated to point at the character following the last one read
+	any translucent blanks (FFh) which are visible on screen are changed
+	  to the character which is seen through them
+	the string produced by the read is placed in an input buffer which may
+	  be reused by the next READ or READN of a window
+	window stream opcodes D8h and D9h determine whether the read returns
+	  characters or attributes
+SeeAlso: AH=12h/BH=05h"WINDOW",AH=12h/BH=12h
+----------1512--BH04-------------------------
+INT 15 - TopView - SEND MESSAGE - "READ" - GET NEXT RECORD FROM OBJECT
+	AH = 12h
+	BH = 04h
+	BL = object
+h handle is DWORD on top of stack
+		mailbox: wait for and get next message
+		keyboard: wait for and get pointer to next input buffer
+		pointer: wait for and get next message
+h get next message from mailbox (task's handle on top of stack)
+h get next message from current task's mailbox
+h get the next input from keyboard (handle on top of stack)
+h get the next input from task's default keyboard
+h wait for input from any object in OBJECTQ (handle on stack)
+h wait for input from any object in task's default OBJECTQ
+Return: STACK: (if objectq) DWORD handle of object with input
+	       (otherwise)  DWORD number of bytes
+			    DWORD address
+Notes:	for a keyboard in keystroke mode, the input buffer is a single byte
+	  containing the character code as returned by the BIOS; the BIOS scan
+	  code is available via the STATUS call if the character is zero
+	for a keyboard in field mode, the input buffer format is determined
+	  by the field table header for the window the keyboard is attached to
+	keyboard input buffers and mailbox message buffers may be invalidated
+	  by the next READ, ERASE, CLOSE, or FREE message to the same object
+SeeAlso: AH=12h/BH=05h"OBJECT"
+Format of pointer message:
+Offset	Size	Description
+h	WORD	row
+h	WORD	column
+h	BYTE	status
+		bit 6: set when press/release mode active and button released
+		bits 7-2: number of clicks-1 if multiple-click mode active
+		bits 1,0: button pressed (00=none,01=button1,10=button2)
+h	BYTE	field number or zero (APILEVEL >= 2.00 only)
+----------1512--BX0400-----------------------
+INT 15 - TopView - SEND MESSAGE - "READ" - WAIT FOR TIMER TO EXPIRE
+	AH = 12h
+	BX = 0400h
+	STACK: DWORD timer's handle
+Return: after timer expires
+	STACK: DWORD time in 1/100 sec after midnight when timer expired
+----------1512--BX0400-----------------------
+INT 15 - TopView - SEND MESSAGE - "APPLY" - WRITE PANEL TO WINDOW
+	AH = 12h
+	BX = 0400h
+	STACK: DWORD handle of panel object
+	       DWORD window's handle (or 0 for current task's window)
+	       DWORD length of panel name
+	       DWORD pointer to panel name
+Return: STACK: DWORD handle of keyboard or 0
+	       DWORD handle of window which was used
+Notes:	status of APPLY may be checked with STATUS message
+	panel MUST have the following format
+	  first byte must be 1Bh (i.e. must start with a stream)
+	  first opcode in stream must be E5h
+	    single byte arg of opcode is interpreted thus:
+	      bits 7,6	11 means create new window
+means create new field table for existing window
+means use existing window and field table
+	      bit 5 if set, panel contains a field table
+			(creates a new keyboard and puts it in field mode)
+	      bit 4 if set, panel contains input fields
+	      bit 3 if set, panel contains select fields but no input fields
+	if the panel contains input or select fields, a keyboard handle is
+	  returned; either the window's current open keyboard or a
+	  newly-created keyboard object.  The caller should read that keyboard
+	  to obtain input from the panel.
+----------1512--BH05------------------------
+INT 15 - TopView - SEND MESSAGE - "WRITE" - WRITE TO OBJECT
+	AH = 12h
+	BH = 05h
+	BL = object
+h handle is DWORD on top of stack
+		timer: start timer to end at a specified time
+		keyboard: add input buffer to queue
+		pointer: move pointer icon to specified position
+h send message by value/status=0 to mbox (task's handle on stack)
+h send message by value/status=0 to current task's mailbox
+h add input buffer to KEYBOARD queue (handle on top of stack)
+h add input buffer to task's default KEYBOARD queue
+h add an object to OBJECTQ (handle on top of stack)
+h add an object to task's default OBJECTQ
+	STACK: (if mailbox)  DWORD length
+			     DWORD address
+	       (if keyboard) DWORD status (scan code in keystroke mode)
+			     DWORD length (should be 1 in keystroke mode)
+			     DWORD address
+	       (if objectq)  DWORD handle of object to add
+	       (if timer)    DWORD 1/100ths seconds since midnight (actually
+				   only accurate to 1/18 sec)
+	       (if pointer)  DWORD column relative to origin of window
+			     DWORD row relative to origin of window
+Notes:	under DV 2.2+, failed mailbox writes may return CF set (see AX=DE15h)
+	the data and status written to a keyboard object must match the format
+	  returned by the keyboard object in the current mode
+	the pointer position is scaled according to the current scaling factors
+SeeAlso: AH=12h/BH=04h
+----------1512--BH05-------------------------
+INT 15 - TopView - SEND MESSAGE - "WRITE" - WRITE STRING TO WINDOW
+	AH = 12h
+	BH = 05h
+	BL = window to write to
+h DWORD on top of stack is window handle
+h write string to task's default window
+Ch (DV 2.26+) default window of task owning handle on top of stack
+Dh (DV 2.26+) default window of parent of current task
+	STACK: DWORD object handle if handle passed on stack
+	       DWORD total length of string (high word == 0)
+	       DWORD address of string to display
+Return: indicated actions performed
+	a. non-control characters are displayed (opcodes DEh and DFh control
+	   whether the attributes are left or changed to the current attrib)
+	b. CR/LF/BS/Tab cause the usual cursor movement
+	c. ESC starts a data structure with additional commands if following
+	   byte is less than 20h; otherwise, it is written to the window
+	STACK:	DWORD handle of new window if window stream opcode E6h
+		else nothing
+Data Structure:
+	MAGIC  DB  1Bh
+	MODE   DB  ?   ; 00h, 01h, 10h, 14h-1Fh legal
+	LENGTH DW  ?   ; length of remainder in bytes
+	var-length fields follow, each an OPCODE followed by
+	     zero or more args
+MODE 00h (set or display values) "WINDOW STREAM"
+    Opcodes:args
+h  display 20h blanks with the default attribute
+h-1Fh display OPCODE blanks with the default attribute
+h  display char with default attribute 20h times
+	     BYTE char to repeat
+h-3Fh display char with default attribute OPCODE-20h times
+	     BYTE char to repeat
+h  display 20h blanks with specified attribute
+	     BYTE attribute of blanks
+h-5Fh display OPCODE-40h blanks with specified attribute
+	     BYTE attribute of blanks
+h  display next 20h characters
+h BYTEs characters to display
+h-7Fh display next OPCODE-60h characters
+	     N BYTEs characters to display
+h-87h	 display N blanks with default attribute
+	     BYTE low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE)
+		      [000h means 800h]
+h-8Fh display N copies of the character
+	     BYTE low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE)
+		      [000h means 800h]
+	     BYTE character to repeat
+h-97h	 display N blanks with specified attribute
+	     BYTE low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE)
+		      [000h means 800h]
+	     BYTE attribute
+h-9FH	 display string at logical cursor pos
+	     BYTE low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE)
+		      [000h means 800h]
+	     N BYTEs string to display
+	A0h  set logical cursor row
+	     BYTE row number (0 is top)
+	A1h  set logical cursor column
+	     BYTE column number (0 is leftmost)
+	A2h  set top edge of scrolling region
+	     BYTE row
+	A3h  set left edge of scrolling region
+	     BYTE column
+	A4h  set row of physical window position
+	     BYTE line
+	A5h  set column of physical window position
+	     BYTE column
+	A6h  set height of physical window
+	     BYTE #rows
+	A7h  set width of physical window
+	     BYTE #columns
+	A8h  set viewport row
+	     BYTE row
+	A9h  set viewport column
+	     BYTE column
+	AAh  set virtual screen height [contents of window unpredictable after]
+	     BYTE rows
+	ABh  set virtual screen width [contents of window unpredictable after]
+	     BYTE columns
+	ACh-AEh	 unused
+	AFh  set compatible/preferred video modes
+	     BYTE compatibility/preference mask
+		bit 7	compatible with monochrome
+		bit 6	compatible with color text, EGA/VGA graphics
+		bit 5	compatible with medium-resolution CGA graphics
+		bit 4	compatible with high-resolution CGA graphics
+		bit 3	prefer monochrome
+		bit 2	prefer color text, EGA/VGA graphics
+		bit 1	prefer medium-resolution CGA graphics
+		bit 0	prefer high-resolution CGA graphics
+	B0h  move logical cursor down
+	     BYTE #rows (signed, negative values move up)
+			[if #rows=0 and hardware cursor owner, update hw crsr]
+	B1h  move logical cursor right
+	     BYTE #cols (signed, negative values move left)
+			[if #cols=0 and hardware cursor owner, update hw crsr]
+	B2h  shift top edge of scrolling region
+	     BYTE #rows (signed)
+	B3h  shift left edge of scrolling region
+	     BYTE #cols (signed)
+	B4h  shift physical window down
+	     BYTE #lines (signed)
+	B5h  shift physical window right
+	     BYTE #columns (signed)
+	B6h  expand physical window vertically
+	     BYTE #lines (signed)
+	B7h  expand physical window horizontally
+	     BYTE #columns (signed)
+	B8h  adjust viewport row
+	     BYTE #rows (signed)
+	B9h  adjust viewport column
+	     BYTE #columns (signed)
+	BAh  adjust virtual screen height [contents of window unpredict after]
+	     BYTE #rows to increase (signed)
+	BBh  adjust virtual screen width [contents of window unpredictbl after]
+	     BYTE #cols to increase (signed)
+	BCh-BFh	 reserved (currently unused)
+	C0h  set logical cursor position
+	     BYTE row number (0 is top border)
+	     BYTE column number (0 is left border)
+	C1h  set top left corner of scrolling region
+	     BYTE row
+	     BYTE column
+	C2h  set physical window pos
+	     BYTE upper left row (no top border if 0)
+	     BYTE upper left column (no left border if 0)
+	C3h  set current window size
+	     BYTE #rows
+	     BYTE #cols
+	C4h  set upper left corner of viewport (portion of virtual screen
+	     displayed in window)
+	     BYTE row
+	     BYTE column
+	C5h  set size of virtual screen [contents unpredictable afterwards]
+	     BYTE #rows
+	     BYTE #cols
+	C6h  unused
+	C7h  unused
+	C8h  set logical cursor relative to current position
+	     BYTE number of rows to move down (signed)
+	     BYTE number of columns to move right (signed)
+		  [if #rows=#cols=0 and hardware cursor owner, update hw cursr]
+	C9h  shift top left corner of scrolling region
+	     BYTE #rows (signed)
+	     BYTE #cols (signed)
+	CAh  set window pos relative to current position
+	     BYTE number of rows to shift down (signed)
+	     BYTE number of columns to shift right (signed)
+	CBh  set window size relative to current size
+	     BYTE number of rows to expand (signed)
+	     BYTE number of cols to expand (signed)
+	CCh  shift viewport relative to current position
+	     BYTE rows to shift (signed)
+	     BYTE cols to shift (signed)
+	CDh  resize virtual screen
+	     BYTE #rows to expand (signed)
+	     BYTE #cols to expand (signed)
+	CEh  scroll text when using E8h-EBh/F8h-FBh opcodes (default)
+	CFh  scroll attributes when using  E8h-EBh/F8h-FBh opcodes
+	D0h  allow window frame to extend beyond screen
+	D1h  always display a complete frame, even if window extends beyond
+	     edge of screen
+	D2h  allow DV to change logical colors on video mode switch (default)
+	D3h  application changes logical attributes
+	D4h  window is visible [must redraw to actually make visible]
+	D5h  window is hidden [must redraw to actually remove]
+	D6h  window has frame (default)
+	D7h  window unframed [must redraw to actually remove frame]
+	D8h  READ/READN will read characters from window (default)
+	D9h  READ/READN will read attributes from window
+	DAh  use logical attributes, which may be remapped
+		attributes
+normal text
+highlighted normal text
+help text
+highlighted help text
+error message
+highlighted error message
+emphasized text
+marked text
+-16 are reverse video versions of 1-8
+	DBh  use physical attributes for characters
+	DCh  enable special actions for control characters (default)
+	DDh  disable special control char handling, all chars displayable by
+	     BIOS TTY call
+	DEh  write both character and attribute (default)
+	DFh  write character only, leave attribute untouched
+	E0h  repeat following commands through E1h opcode
+	     BYTE number of times to repeat (00h means 256 times)
+	E1h  end of commands to repeat, start repeating them
+	E2h  set current output color
+	     BYTE color
+	E3h  clear virtual screen from scroll origin to end using current color
+	E4h  redraw window
+	E5h  select menu style
+	     BYTE style (normally 18h)
+		bits 5,4 = 01 use two-letter menu entries for remainder of
+		  this stream
+	E5h  (panel file only)
+	     BYTE modifier
+		bits 7,6 = 11 panel stream creates new window
+			 = 10 panel defines new field table for existing window
+			 = 01 panel stream uses existing window & field table
+		bit 5 = 1 stream contains a field table (create kyboard object)
+		bit 4 = 1 stream defines input fields (create keyboard object)
+		bit 3 = 1 stream defines select fields but not input fields
+		bit 2 = 1 stream defines exclusive input window (DV 2.2)
+		bit 1 reserved
+		bit 0 reserved
+	E6h  create new window and perform rest of manipulations in new window
+	     BYTE number of rows
+	     BYTE number of columns
+	     Return: DWORD object handle of new window returned on stack at end
+	E7h  no operation
+	E8h  scroll area up (top left corner defined by opcode C1h)
+	     BYTE height
+	     BYTE width
+	E9h  scroll area down (top left corner defined by opcode C1h)
+	     BYTE height
+	     BYTE width
+	EAh  scroll area left (top left corner defined by opcode C1h)
+	     BYTE height
+	     BYTE width
+	EBh  scroll area right (top left corner defined by opcode C1h)
+	     BYTE height
+	     BYTE width
+	ECh  set logical attributes for window contents
+	     BYTE video modes command applies to
+		bit 7	monochrome
+		bit 6	color text, EGA/VGA graphics
+		bit 5	medium-resolution CGA graphics
+		bit 4	high-resolution CGA graphics
+	     BYTE which attributes to set
+		bit 7  if set, copy single following byte to indicated attribs
+		bits 4-6  # of first attribute to change - 1
+		bits 0-3  # of consecutive attributes to change
+	     N BYTEs new attributes
+	EDh  set logical attributes for window frame
+	     BYTE video modes command applies to (see opcode ECh)
+	     BYTE which attributes to set
+		bit 7  if set, copy single following byte to indicated attrs
+		bits 4-6  # of first attribute to change - 1
+		bits 0-3  # of consecutive attributes to change
+	     N BYTEs new attributes
+		  attributes
+= top left corner
+= top right corner
+= bottom left corner
+= bottom right corner
+= top edge
+= bottom edge
+= left edge
+= right edge
+	EEh  set characters for window frame
+	     BYTE video modes command applies to (see opcode ECh)
+	     BYTE which characters to set
+		bit 7  if set, copy single following byte to indicated chars
+		bits 4-6  # of first char to change - 1
+		bits 0-3  # of consecutive chars to change
+	     N BYTEs new chars (same relative position as attributes above)
+	EFh  set window name
+	     BYTE length of name (should be in range 0 to logical screen width)
+	     N BYTEs name
+	F0h  clear input field to blanks
+	     BYTE field number
+	F1h  fill input field with character
+	     BYTE field number
+	     BYTE char
+	F2h  set color of input field
+	     BYTE field number (1-N)
+	     BYTE attribute
+	F3h  set initial contents of input field
+	     BYTE field number (1-N)
+	     N BYTEs enough chars to exactly fill field as defined by op FFh
+	F4h  position cursor to start of specific input field
+	     BYTE field number (1-N)
+	F5h  change field table entry
+	     BYTE field number
+-8 BYTEs field table entry (see opcode FFh below)
+	F6h  set field type
+	     BYTE field number
+	     BYTE type
+h inactive
+h output field
+h input field
+			C0h deselected field
+			C2h selected field
+	F7h  "broadcast write"	write data to fields with program output bit
+		set in field table entry, in field number order
+	     N BYTEs (total length of all program output fields)
+	F8h  scroll field up a line
+	     BYTE field number
+	F9h  scroll field down a line
+	     BYTE field number
+	FAh  scroll field left
+	     BYTE field number
+	FBh  scroll field right
+	     BYTE field number
+	FCh  set field table header
+	     BYTE number of fields (must be <= existing number of fields)
+	     BYTE screen behavior bits
+		bit 7  reserved
+		bit 6  set if menu items may be selected via keyboard
+		bit 5  set if left mouse button may terminate entry
+		bit 4  set if right mouse button may terminate entry
+		bit 3  if set, select fields return contents or blanks rather
+			than 'Y' or 'N'
+		bit 2  if set, modified bits reset on return to application
+		bits 0,1 = 00 no data returned on read of keyboard
+data returned as array of chars containing
+				all fields packed together, with no field
+				numbers
+data returned as numbered variable-length
+				records for all fields
+data returned as numbered variable-length
+				records for the fields which were modified
+	     BYTE current input field (updated by DESQview)
+	     BYTE current select field (updated by DESQview)
+	     BYTE attribute for select fields when they are pointed at
+	     BYTE attribute for select fields which have been selected
+	FDh  reset modified bit for all fields
+	FEh  reset selected and modified bits for all fields
+	FFh  set up input fields
+BYTEs table header (see opcode FCh above)
+	     the field table entries, one for each field
+		 BYTE start row	   \
+		 BYTE start column  \ if menu selection and start is to
+		 BYTE end row	    / right or below end, select from kbd only
+		 BYTE end column   /
+		 BYTE field type
+		    bits 7,6 = 00 inactive (non-entry) field
+echos keystrokes input to make menu selection
+fill-in field
+select field
+		    bit 5  field can be filled by broadcast write (F7h opcode)
+		    bit 4  reserved
+		    bit 3  reserved
+		    bit 2  reserved
+		    bit 1  set if field selected
+		    bit 0  set if field modified
+		 BYTE modifier
+		      if type is fill-in, then bit flags to determine behavior
+			  bit 7	 if set, automatically enter CR when field full
+			  bit 6	 move to next field when current field is full
+			  bit 5	 if set, enter text from right end (for numbers)
+			  bit 4	 if set, force input to uppercase
+			  bit 3	 if set, clear old contents on first keystroke
+			  bit 2	 if set, input returned when cursor moves out
+				 of modified field (API level 2.02+)
+			  bit 1	 reserved
+			  bit 0	 reserved
+		      if select field, first key to press to activate
+h if have to point-&-click or is an extended-ASCII
+			      keystroke (only if two-key menus enabled)
+		 BYTE (select field only) normal color of field
+		 BYTE second key for select field.  This byte is present iff
+		      two-letter menu entries selected with opcode E5h, and
+		      in that case is present regardless of field type
+	     Note: DESQview uses and updates the actual copy of the information
+	       which is contained in the stream.  Thus this info must remain
+	       intact until after the data entry is complete.
+MODE 01h "QUERY STREAM" (valid only for those opcodes listed here)
+	A0h return logical cursor row in next byte
+	A1h return logical cursor column in next byte
+	A2h return top row of scrolling region in next byte
+	A3h return left column of scrolling region in next byte
+	A4h return row of physical window origin in next byte
+	A5h return column of physical window origin in next byte
+	A6h return height of physcial window in next byte
+	A7h return width of physical window in next byte
+	A8h return row of viewport origin in next byte
+	A9h return column of viewport origin in next byte
+	AAh return height of virtual screen in next byte
+	ABh return width of virtual screen in next byte
+	AFh return current video mode in next byte
+	C0h return current logical cursor position in next two bytes
+	C1h return top left corner of scrolling region in next two bytes
+	C2h return current window position in next two bytes
+	C3h return current window size in next two bytes
+	C4h return current viewport origin in next two bytes
+	C5h return current virtual screen size in next two bytes
+	D0h \ overwritten with D0h if frames may fall off screen edge
+	D1h /		       D1h if frames always displayed entirely
+	D2h \ overwritten with D2h if DESQview controls color palette
+	D3h /		       D3h if application changes color palette
+	D4h \ overwritten with D4h if window visible
+	D5h /		       D5h if window hidden
+	D6h \ overwritten with D6h if window has frame
+	D7h /		       D7h if window unframed
+	D8h \ overwritten with D8h if reading characters from window
+	D9h /		       D9h if reading attributes from window
+	DAh \ overwritten with DAh if using logical attributes
+	DBh /		       DBh if using physical attributes
+	DCh \ overwritten with DCh if TTY control char interpretation on
+	DDh /		       DDh if TTY control char interpretation off
+	DEh \ overwritten with DEh if writing both characters and attributes
+	DFh /		       DFh if leaving attributes untouched
+	E2h return current color in next byte
+	ECh get logical attributes for window contents
+	    BYTE execute call if currently in specified video mode
+		bit 7	monochrome
+		bit 6	color text, EGA/VGA graphics
+		bit 5	medium-resolution CGA graphics
+		bit 4	high-resolution CGA graphics
+	    BYTE which attributes to get
+		bit 7 unused???
+		bits 4-6 first attribute to get - 1
+		bits 0-3 # consecutive attributes
+	    N BYTEs buffer to hold attributes
+	EDh get logical attributes for window frame
+	    BYTE execute call if currently in video mode (see opcode ECh)
+	    BYTE which attributes to get
+		bit 7 unused???
+		bits 4-6 first attribute to get - 1
+		bits 0-3 # consecutive attributes
+	    N BYTEs buffer to hold attributes
+	EEh get characters for window frame
+	    BYTE execute call if currently in video mode (see opcode ECh)
+	    BYTE which attributes to get
+		bit 7 unused???
+		bits 4-6 first char to get - 1
+		bits 0-3 # consecutive chars
+	    N BYTEs buffer to hold chars
+	EFh return first N characters of current window name
+	    BYTE    max length of returned name
+	    N BYTEs buffer to hold window name
+	F3h return contents of specified field
+	    BYTE field number
+	    N BYTEs buffer to hold field contents (size exactly equal to field
+		    size)
+	F5h get field table entry
+	    BYTE field number
+-8 BYTEs buffer to hold field table entry
+	       Notes: DV < 2.26 always returns 7 bytes
+		      DV 2.26+ w/ APILEVEL < 2.26 returns 8 bytes iff field
+			table is using 8-byte entries and eighth byte after
+			F5h is E7h (NOP); otherwise, 7 bytes are returned
+		      DV 2.26+ w/ APILEVEL > 2.26 returns 7 or 8 bytes
+			depending on the field table entry size
+	F6h get type of a field
+	    BYTE field number
+	    BYTE type
+	FCh get field table header
+BYTEs buffer to store header
+MODE 10h "MANAGER STREAM" (valid only for opcodes listed here)
+h allow window to be moved horizontally
+h allow window to be moved vertically
+h allow window to change width
+h allow window to change height
+h allow window to be scrolled horizontally
+h allow window to be scrolled vertically
+h allow "Close Window" menu selection for application
+h allow "Hide Window" menu selection for application
+h allow application to be suspended ("Rearrange/Freeze")
+Eh allow "Scissors" menu
+h allow DESQview main menu to be popped up
+h allow "Switch Windows" menu
+h allow "Open Window" menu
+h allow "Quit" menu selection
+h-33h opposite of 00h-13h, disallow specified action
+h notify if horizontal position of window changes
+h notify if vertical position of window changes
+h notify if width of window changes
+h notify if height of window changes
+h notify if window scrolled horizontally
+h notify if window scrolled vertically
+h notify if window is closed--program has to clean up and exit itself
+h notify if window is hidden
+h notify if "?" on main menu selected
+h notify if pointer message sent to window
+Ah notify if window is placed in foreground
+Bh notify if window is placed in background
+Ch notify if video mode changes
+Dh notify if "Scissors" menu "Cut" option selected
+Eh notify if "Scissors" menu "Copy" option selected
+Fh notify if "Scissors" menu "Paste" option selected
+h notify if DESQview main menu about to pop up
+h notify if DESQview main menu popped down
+h-71h	 opposite of 40h-51h: don't notify on specified event
+h attach window to parent task's window (both move together)
+h detach window from parent task's window (may move independently)
+h disable background operation for application
+h enable running in background
+h set minimum size of physical window
+	    BYTE rows
+	    BYTE columns
+h set maximum size of physical window
+	    BYTE rows
+	    BYTE cols
+Ah set primary asynchronous notification routine
+	    DWORD address of routine, 0000h:0000h means none (see also below)
+Bh set async notification parameter
+	    DWORD 32-bit value passed to 8Ah async routine in DS:SI
+	ACh (DV2.2+) perform regular select field attribute processing
+	ADh (DV2.2+) protect attributes in selected field from being lost
+	AEh make window default notify window for owning app (API level 2.00+)
+	AFh set selected field marker character
+	    BYTE character to display at left edge of selected fields
+	BCh set standard field processing mode
+	BDh set alternate field processing mode (enables cursor pad for menus)
+	BEh disables changing reverse logical attributes with ECh opcode
+	BFh enables changing reverse logical attributes with ECh opcode
+	C0h make current window topmost in system
+	C1h force current process into foreground
+	C2h make current window topmost in process
+	C3h position mouse pointer relative to origin of current field
+	    BYTE rows below upper left corner of field
+	    BYTE columns to right of upper left corner of field
+	C4h position mouse pointer relative to origin of given field
+	    BYTE field number
+	    BYTE rows below upper left corner of field
+	    BYTE columns to right of upper left corner of field
+	C5h orphan current window (also hides it)
+		Note: must be last in stream; all subsequent commands ignored
+	C6h show all windows for this process
+	C7h hide all windows for this process
+	C8h suspend process and hide all its windows
+	C9h force current process into background
+	CAh make current window bottom-most in process
+	CBh cancel current window manager operation, remove DV menu, give
+	    control to topmost application
+	CCh orphan window and give it to the system for use as paste data
+	CEh reorder windows
+	    DWORD pointer to null-terminated list of words
+		  each word is segment of object handle for a window
+	FFh no operation
+MODES 14h to 1Fh "USER STREAMS"
+	normally NOPs, but may be defined by SETESC message to invoke FAR
+	routines, one for each mode number
+	  on entry to handler,
+		DS:SI -> first byte of actual stream (not header)
+		CX = #bytes in stream
+		ES:DI = window's handle
+Asynchronous notification routine defined by manager stream 8Ah called with:
+	ES:DI = handle of window
+	DS:SI is 32-bit value set by 8Bh manager stream opcode
+	   mailbox contains message indicating event
+	      Opcode
+h  horizontal movement
+		   DWORD object handle of window
+		   BYTE	 new row
+		   BYTE	 new col
+h  vertical movement
+		   DWORD object handle of window
+		   BYTE	 new row
+		   BYTE	 new col
+h  horizontal size change
+		   DWORD object handle of window
+		   BYTE	 new rows
+		   BYTE	 new cols
+h  vertical size change
+		   DWORD object handle of window
+		   BYTE	 new rows
+		   BYTE	 new cols
+h  scrolled horizontally
+		   DWORD object handle of window
+		   BYTE	 mouse row within window
+		   BYTE	 mouse column within window
+		   BYTE	 field mouse is on, 0 if none
+		   BYTE	 amount moved: >0 right, <0 left, 0 done
+h  scrolled vertically
+		   DWORD object hande of window
+		   BYTE	 mouse row within window
+		   BYTE	 mouse column within window
+		   BYTE	 field mouse is on, 0 if none
+		   BYTE	 amount moved: >0 down, <0 up, 0 done
+h  window close request
+		   DWORD object handle of window
+		   BYTE	 mouse pointer row
+		   BYTE	 mouse pointer column
+		   BYTE	 field mouse is on, 0 if none
+h  application's windows hidden
+h  Help for Program selected
+		   DWORD object handle of window
+		   BYTE	 mouse pointer row
+		   BYTE	 mouse pointer column
+		   BYTE	 field mouse is on, 0 if none
+h  pointer message sent to window
+		   DWORD pointer handle which received message
+Ah  switched to window from another ("raise")
+Bh  switched away from the window ("lower")
+Ch  video mode changed
+		   BYTE new BIOS video mode
+Dh  Scissors/cUt selected
+		   DWORD object handle of window
+		   BYTE	 row of upper left corner
+		   BYTE	 column of upper left corner
+		   BYTE	 field number ul corner is in, 0=none
+		   DWORD handle of orphaned window created with
+			 copy of data from specified region
+		   BYTE	 height of region
+		   BYTE	 width of region
+Eh  Scissors/Copy selected
+		   DWORD object handle of window
+		   BYTE	 row of upper left corner
+		   BYTE	 column of upper left corner
+		   BYTE	 field number ul corner is in, 0=none
+		   DWORD handle of orphaned window created with
+			 copy of data from specified region
+		   BYTE	 height of region
+		   BYTE	 width of region
+Fh  Scissors/Paste selected
+		   DWORD object handle of window
+		   BYTE	 row of upper left corner
+		   BYTE	 column of upper left corner
+		   BYTE	 field number ul corner is in, 0=none
+		   DWORD handle of orphaned window with data
+		   BYTE	 height of region
+		   BYTE	 width of region
+			Note: orphaned data window should be adopted or freed
+				when done
+h  main menu about to pop up
+h  main menu popped down
+Return: all registers unchanged
+----------1512--BH06-------------------------
+INT 15 - DESQview 2.20+ - SEND MESSAGE - "SETPRI" - SET PRIORITY WITHIN OBJECTQ
+	AH = 12h
+	BH = 06h
+	BL = object
+h object handle in DWORD on top of stack
+		mailbox, keyboard, pointer, or timer
+h given task's keyboard (task's handle on top of stack)
+h current task's default keyboard
+	STACK: DWORD new priority of object in task's OBJECTQ
+Notes:	initially all objects have the same default value.  Should only make
+	  relative adjustments to this default value.
+	when changing priorities, all objects already on the objectq are
+	  reordered
+SeeAlso: AH=12h/BH=07h
+----------1512--BH07-------------------------
+INT 15 - DESQview 2.20+ - SEND MESSAGE - "GETPRI" - GET PRIORITY WITHIN OBJECTQ
+	AH = 12h
+	BH = 07h
+	BL = object
+h object handle in DWORD on top of stack
+		mailbox, keyboard, pointer, or timer
+h given task's keyboard (task's handle on top of stack)
+h current task's default keyboard
+Return: STACK: DWORD object priority
+Note:	initially all objects have the same default value.  Should only make
+	  relative adjustments to this default value.
+SeeAlso: AH=12h/BH=06h
+----------1512--BH08-------------------------
+INT 15 - TopView - SEND MESSAGE - "SIZEOF" - GET OBJECT SIZE
+	AH = 12h
+	BH = 08h
+	BL = object
+h handle in DWORD on top of stack
+		window: total character positions in window
+		timer: elapsed time since timer started
+		pointer: number of messages queued to pointer object
+		panel: number of panels in panel file
+		keyboard: number of input buffers queued
+h total chars in current task's default window
+h number of messages in task's mailbox (task's handle on stack)
+h number of messages in current task's mailbox
+h number of input buffers queued in task's kbd (handle on stack)
+h number of input buffers queued for current task's default kbd
+h number of objects queued in OBJECTQ (task's handle on stack)
+h number of objects queued in current task's OBJECTQ
+Ch (DV 2.26+) total chars in window owning handle on top of stack
+Dh (DV 2.26+) total chars in parent task's window
+Return: DWORD on top of stack is result
+Note:	for panel objects, a count of zero is returned if no panel file is open
+	  for the object
+SeeAlso: AH=12h/BH=04h,AH=12h/BH=09h
+----------1512--BH09-------------------------
+INT 15 - TopView - SEND MESSAGE - "LEN" - GET OBJECT LENGTH
+	AH = 12h
+	BH = 09h
+	BL = object
+h handle in DWORD on top of stack
+		window: get chars/line
+		timer: get 1/100 seconds remaining before timer expires
+h get number of chars/line in current task's default window
+Ch (DV 2.26+) get chars/line in window owning handle on top of stk
+Dh (DV 2.26+) get chars/line in parent task's window
+Return: DWORD on top of stack is length
+SeeAlso: AH=12h/BH=08h
+----------1512--BH0A-------------------------
+INT 15 - TopView - SEND MESSAGE - "ADDTO" - WRITE CHARS AND ATTRIBS TO WINDOW
+	AH = 12h
+	BH = 0Ah
+	BL = window to write to
+h window handle is DWORD on top of stack
+h current task's default window
+Ch (DV 2.26+) default window of task owning handle on top of stack
+Dh (DV 2.26+) default window of parent of current task
+	STACK:	DWORD count of attributes
+		DWORD address of attribute string
+		DWORD count of characters
+		DWORD address of character string
+Notes:	if one string is longer than the other, the shorter one will be reused
+	  until the longer one is exhausted
+	the cursor is left just after the last character written
+SeeAlso: AH=12h/BH=0Bh"WINDOW"
+----------1512--BH0A-------------------------
+INT 15 - TopView - SEND MESSAGE - "ADDTO" - SEND MAILBOX MESSAGE/STAT BY VALUE
+	AH = 12h
+	BH = 0Ah
+	BL = mailbox to write to
+h handle is DWORD on top of stack
+h default mailbox of task whose handle is on top of stack
+h current task's default mailbox
+	STACK:	DWORD	status (low byte)
+		DWORD	length of message
+		DWORD	address of message
+Notes:	the message is copied into either system or common memory
+	insufficient memory normally causes the process to be aborted; under
+	  DESQview 2.2+, failed writes may return CF set instead (see AX=DE15h)
+SeeAlso: AH=12h/BH=0Bh"MAILBOX"
+----------1512--BH0A-------------------------
+INT 15 - TopView - SEND MESSAGE - "ADDTO" - SET OBJECT BITS
+	AH = 12h
+	BH = 0Ah
+	BL = object
+h handle is DWORD on top of stack
+		timer: start timer for specified interval
+		pointer: set control flags
+		keyboard: set control flags
+h set control flags on KEYBOARD object (handle on top of stack)
+h set control flags on task's default KEYBOARD object
+	STACK: (if timer)   DWORD duration in 1/100 seconds
+	       (otherwise)  DWORD bits to set
+SeeAlso: AH=12h/BH=0Bh"OBJECT"
+For keyboard objects, the bits have the following significance:
+	bit 15 reserved, can't be set
+	bit 14 unused
+	bit 13 reserved, can't be set
+	bit 12-6 unused
+	bit 5  (DV 2.2+) exclusive input
+	bit 4  filter all keys (used with handler established by SETESC)
+		if 0, only keys that would normally be displayed are filtered
+	bit 3  program continues executing while input in progress
+	bit 2  insert mode active for field mode
+	bit 1  hardware cursor displayed when task is hardware cursor owner
+		must be set if keyboard in field mode and field table includes
+		input fields
+	bit 0  keyboard is in field mode rather than keystroke mode
+For pointer objects, the bits have the following significance:
+	bit 15 reserved, can't be set
+	bit 14-8 unused
+	bit 7  mouse pointer is hidden while in window
+	bit 6  get messages even if window not topmost
+	bit 5  get messages even if window not foreground
+	bit 4  multiple clicks separated by less than 1/3 second are counted
+		and returned in a single message
+	bit 3  pointer position is relative to screen origin, not window origin
+	bit 2  send message on button release as well as button press
+	bit 1  (DV 2.23+) send message with row=FFFFh and col=FFFFh whenever
+		pointer leaves the window
+	bit 0  send message only on button activity, not movement
+	       DV-specific, and INT 15/AX=DE0Fh must have been called first
+----------1512--BH0B-------------------------
+INT 15 - TopView - SEND MESSAGE - "SUBFROM" - WRITE ATTRIBUTES TO WINDOW
+	AH = 12h
+	BH = 0Bh
+	BL = window to write attributes to
+h handle is DWORD on top of stack
+h current task's default window
+Ch (DV 2.26+) default window of task owning handle on top of stack
+Dh (DV 2.26+) default window of parent of current task
+	STACK:	DWORD number of attributes to write
+		DWORD address of attributes
+Note:	the attributes are written starting at the current cursor position; the
+	  cursor is left just after the last position written
+SeeAlso: AH=12h/BH=0Ah"WINDOW"
+----------1512--BH0B-------------------------
+INT 15 - TopView - SEND MESSAGE - "SUBFROM" - SEND MAILBOX MESSAGE/STAT BY REF
+	AH = 12h
+	BH = 0Bh
+	BL = mailbox to write to
+h handle is DWORD on top of stack
+h default mailbox of task whose handle is on top of stack
+h current task's default mailbox
+	STACK:	DWORD	status (low byte)
+		DWORD	length of message
+		DWORD	address of message
+Notes:	only a pointer to the message is stored, but the write may still fail
+	  due to insufficient memory
+	under DV 2.2+, failed mailbox writes may return CF set (see AX=DE15h)
+SeeAlso: AH=12h/BH=0Ah"MAILBOX"
+----------1512--BH0B-------------------------
+INT 15 - TopView - SEND MESSAGE - "SUBFROM" - REMOVE OBJECT FROM OBJECTQ
+	AH = 12h
+	BH = 0Bh
+	BL = OBJECTQ from which to remove all copies of a particular object
+h OBJECTQ of task whose handle is on top of stack
+h task's default OBJECTQ
+	STACK:	DWORD	handle of object to remove
+Note:	should be sent whenever an object is erased or closed
+----------1512--BH0B-------------------------
+INT 15 - TopView - SEND MESSAGE - "SUBFROM" - RESET OBJECT BITS
+	AH = 12h
+	BH = 0Bh
+	BL = object
+h handle is DWORD on top of stack
+		pointer: reset control flags
+		keyboard: reset control flags
+h clear control flags on KEYBOARD object (handle on top of stack)
+h clear control flags on task's default KEYBOARD object
+	STACK:	DWORD	which bits to clear (see AH=12h/BH=0Ah"OBJECT")
+SeeAlso: AH=12h/BH=0Ah"OBJECT"
+----------1512--BH0C-------------------------
+INT 15 - TopView - SEND MESSAGE - "OPEN" - OPEN OBJECT
+	AH = 12h
+	BH = 0Ch
+	BL = object
+h handle is DWORD on top of stack
+		window:	  fill with given character from scroll origin to end
+		keyboard: attach to a window
+		timer:	  open
+		pointer:  start taking input for window
+		panel:	  associate with a panel file
+h fill task's default window with given char from scrl org to end
+h open given task's mailbox for input (task's handle on stack)
+h open current task's mailbox
+h attach a KEYBOARD to a window (handle on top of stack)
+h attach task's default KEYBOARD to a window
+h open a task's OBJECTQ (task's handle on top of stack)
+h open current task's OBJECTQ
+Ch (DV 2.26+) fill def window of task owning handle on top of stck
+Dh (DV 2.26+) fill default window of parent of current task
+	 STACK: (if window)   DWORD character to fill with
+		(if keyboard) DWORD handle of window to attach to
+		(if pointer)  DWORD handle of window to attach to
+		(if panel)    DWORD length of filename or resident panel
+			      DWORD address of filename or resident panel
+		(otherwise)   nothing
+Notes:	if first byte of panel file name is 1Bh, then the "name" IS a panel
+	if first two bytes of panel file "name" are C0hC3h, then the "name" IS
+	  the panel file
+	result code of open may be retrieved with STATUS message
+	logical cursor is left at scroll origin after filling window
+	the task opening a mailbox becomes its owner, and the only task allowed
+	  to read the mailbox
+	messages are only sent to a pointer object when the mouse is positioned
+	  in the window to which the pointer has been attached
+	there is no need to explicitly open a timer object, as ADDTO and WRITE
+	  messages automatically open the timer
+SeeAlso: AH=12h/BH=0Dh,AH=12h/BH=14h"LOCK"
+----------1512--BH0D-------------------------
+INT 15 - TopView - SEND MESSAGE - "CLOSE" - CLOSE OBJECT
+	AH = 12h
+	BH = 0Dh
+	BL = object
+h handle is DWORD on top of stack
+		timer:	  close
+		keyboard: detach from window and discard queued input
+		pointer:  stop taking input
+		panel:	  close
+		mailbox:  close, unlock, and discard any pending messages
+h close given task's mailbox (task's handle on top of stack)
+h close task's default mailbox
+h close KEYBOARD object (handle on top of stack)
+h close task's default KEYBOARD
+h close givent task's OBJECTQ (task's handle on top of stack)
+h close current task's OBJECTQ
+Notes:	when an OBJECTQ is closed, each object in the OBJECTQ is sent an
+	  ERASE message (AH=12h/BH=0Eh)
+	when a panel object is closed, the panel file and any panels currently
+	  in use are freed; window and keyboard objects created by APPLY are
+	  not affected, but field mode input ceases
+	open but idle timer objects consume a small amount of CPU time
+SeeAlso: AH=12h/BH=0Ch,AH=12h/BH=0Eh,AH=12h/BH=14h"LOCK"
+----------1512--BH0E-------------------------
+INT 15 - TopView - SEND MESSAGE - "ERASE" - ERASE OBJECT
+	AH = 12h
+	BH = 0Eh
+	BL = object
+h handle is DWORD on top of stack
+		window:	  clear from scroll origin to end of window
+		keyboard: discard input
+		timer:	  cancel current interval
+		pointer:  discard all pending messages
+		mailbox:  discard all pending messages
+h clear task's default window from scroll origin to end
+h discard all queued messages in mailbox (handle on top of stack)
+h discard all queued messages in current task's default mailbox
+h discard all input queued to KEYBOARD (handle on top of stack)
+h discard all input queued to task's default KEYBOARD
+h remove all objects from OBJECTQ (task's handle on top of stack)
+h remove all objects from current task's OBJECTQ
+Ch (DV 2.26+) clear window of task owning handle on top of stack
+Dh (DV 2.26+) clear default window of parent of current task
+Note:	when an OBJECTQ is erased, each object in the OBJECTQ is also erased
+SeeAlso: AH=12h/BH=02h
+----------1512--BH0F-------------------------
+INT 15 - TopView - SEND MESSAGE - "STATUS" - GET OBJECT STATUS
+	AH = 12h
+	BH = 0Fh
+	BL = object
+h handle is DWORD on top of stack
+		timer:	 is it running?
+		pointer: return status of last message
+		panel:	 verify success of last OPEN or APPLY
+h return status of last msg READ from mailbox (handle on stack)
+h return status of last msg READ from task's default mailbox
+h get status of last msg from task's KEYBOARD (task handle on stk)
+h get status of last msg from task's default KEYBOARD
+h return whether OBJECTQ is open or not (handle on top of stack)
+h return whether task's default OBJECTQ is open or not
+Return: DWORD on top of stack is status
+Notes:	if object is a panel object, the status indicates the error code:
+h successful
+h panel name not in panel directory
+h not enough memory to apply panel
+h invalid panel format
+h panel file already open
+h-92h  DOS error codes+80h			\  codes > 80h indicate
+h not enough memory to open panel file	 > that the panel was
+h null panel file name			/  not opened
+	if object is a timer, the status is:
+	  00000000h open but not running
+	  40000000h open and running
+	  80000000h closed
+	if object is an OBJECTQ, the status is:
+	  00000000h open
+	  80000000h closed
+	if object is a keyboard in keystroke mode, the status is the extended
+	  character code (scan code) of teh last keystroke
+	if object is a keyboard in field mode, the status indicates the reason
+	  for the last return from the field manager
+h Enter key pressed
+h Button 1 or keystroke selection
+h Button 2
+h validation
+h auto Enter on field
+Bh Escape pressed
+h ^Break pressed
+	  other: extended code for key terminating input
+	the status of mailbox messages sent by the window manager is always 80h
+	the status of a pointer message is the same as the status field in the
+	  message
+SeeAlso: AH=12h/BH=04h"READ"
+----------1512--BH10-------------------------
+INT 15 - TopView - SEND MESSAGE - "EOF" - GET OBJECT EOF STATUS
+	AH = 12h
+	BH = 10h
+	BL = object
+h handle is DWORD on top of stack
+		window: return TRUE if logical cursor past end of window
+		mailbox: ???
+h returns TRUE if logical cursor past end of task's def window
+h return ??? for task's mailbox (task's handle on top of stack)
+h return ??? for current task's mailbox
+Ch (DV 2.26+) check log crsr of window owning handle on top of stk
+Dh (DV 2.26+) check log cursor of window of parent task
+Return: DWORD on top of stack is status
+----------1512--BH11-------------------------
+INT 15 - TopView - SEND MESSAGE - "AT" - POSITION OBJECT CURSOR
+	AH = 12h
+	BH = 11h
+	BL = window for which to move cursor
+h window's handle is DWORD on top of stack
+h task's default window
+Ch (DV 2.26+) default window of task owning handle on top of stack
+Dh (DV 2.26+) default window of parent of current task
+	STACK: DWORD column
+	       DWORD row
+----------1512--BH11-------------------------
+INT 15 - TopView - SEND MESSAGE - "SETNAME" - ASSIGN NAME TO MAILBOX
+	AH = 12h
+	BH = 11h
+	BL = mailbox to name
+h DWORD on top of stack is mailbox handle
+h use given task's mailbox (task's handle on top of stack)
+h use current task's default mailbox
+	STACK: DWORD length of name
+	       DWORD address of name
+SeeAlso: AX=DE0Eh
+----------1512--BX1100-----------------------
+INT 15 - TopView - SEND MESSAGE - "SETSCALE" - SET POINTER SCALE FACTOR
+	AH = 12h
+	BX = 1100h
+	STACK: DWORD object handle for pointer object
+	       DWORD number of colums to scale pointer position to
+	       DWORD number of rows to scale pointer position to
+SeeAlso: AH=12h/BX=1200h
+----------1512--BH12-------------------------
+INT 15 - TopView - SEND MESSAGE - "READN" - GET NEXT N OBJECT BYTES
+	AH = 12h
+	BH = 12h
+	BL = window to read from
+h handle is DWORD on top of stack
+h read next N chars or attributes on task's default window
+Ch (DV 2.26+) read window of task owning handle on top of stack
+Dh (DV 2.26+) read default window of parent of current task
+	STACK: DWORD count
+Return: STACK: DWORD width of screen line
+	       DWORD address
+	       DWORD count actually read
+Notes:	reading starts at the current logical cursor position; the cursor is
+	  updated to point at the character following the last one read
+	any translucent blanks (FFh) which are visible on screen are changed
+	  to the character which is seen through them
+	the string produced by the read is placed in an input buffer which may
+	  be reused by the next READ or READN of a window
+	window stream opcodes D8h and D9h determine whether the read returns
+	  characters or attributes
+SeeAlso: AH=12h/BH=04h"WINDOW",AH=12h/BH=05h"WINDOW"
+----------1512--BX1200-----------------------
+INT 15 - TopView - SEND MESSAGE - "GETSCALE" - GET POINTER SCALE FACTOR
+	AH = 12h
+	BX = 1200h
+	STACK: DWORD object handle for pointer
+Return: STACK: DWORD pointer pos scaled as if window were this many colums wide
+	       DWORD pointer pos scaled as if window were this many rows high
+SeeAlso: AH=12h/BX=1100h
+----------1512--BH13-------------------------
+INT 15 - TopView - SEND MESSAGE - "REDRAW" - REDRAW WINDOW
+	AH = 12h
+	BH = 13h
+	BL = window object
+h DWORD on top of stack is handle for window to redraw
+h redraw task's default window
+Ch (DV 2.26+) redraw window of task owning handle on top of stack
+Dh (DV 2.26+) redraw default window of parent of current task
+SeeAlso: AH=12h/BH=05h"WINDOW",AH=12h/BH=0Eh
+----------1512--BX1300-----------------------
+INT 15 - TopView - SEND MESSAGE - "SETICON" - SPECIFY POINTER ICON
+	AH = 12h
+	BX = 1300h
+	STACK: DWORD object handle for pointer
+	       DWORD character to use for pointer
+----------1512--BH14-------------------------
+INT 15 - TopView - SEND MESSAGE - "SETESC" - SET ESCAPE ROUTINE ADDRESS
+	AH = 12h
+	BH = 14h
+	BL = message modifier
+h handle is DWORD on top of stack
+h define user stream
+h intercept keystrokes from KEYBOARD to a window (handle on stack)
+h intercept keystrokes from task's default KEYBOARD to a window
+	STACK: (if window)   DWORD user stream number (14h-1Fh)
+			     DWORD address of FAR user stream handler
+	       (if keyboard) DWORD address of FAR filter function
+The keyboard filter function is called when the keyboard is in field mode.  On
+entry,
+	AL = character
+	AH = 00h or extended ASCII code if AL = 00h
+	BL = field number
+	CH = cursor column
+	CL = cursor row
+	DL = field type modifier (sixth item in field table entry)
+	DH = seventh item in field table entry
+	ES:SI = window's handle
+	DS:DI -> field table entry for field containing the cursor
+The filter function should return
+	AH = 00h use keystroke
+h ignore keystroke
+	     FFh beep and ignore keystroke
+Note: the filter function is not allowed to make INT 15, DOS, or BIOS calls
+----------1512--BH14-------------------------
+INT 15 - TopView - SEND MESSAGE - "LOCK" - REQUEST EXCLUSIVE ACCESS TO RESOURCE
+	AH = 12h
+	BH = 14h
+	BL = object
+h mailbox handle is DWORD on top of stack
+h use given task's mailbox (task's handle on top of stack)
+h use current task's default mailbox
+Note:	release exclusive access by sending CLOSE message to mailbox
+	access may be requested multiple times, and requires multiple CLOSEs
+SeeAlso: AH=12h/BH=0Dh
+----------1512--BH15-------------------------
+INT 15 - DESQview v2.20+ - SEND MESSAGE - "SETFLAGS" - SET OBJECT FLAGS
+	AH = 12h
+	BH = 15h
+	BL = object
+h DWORD on top of stack
+		mailbox, keyboard, or pointer only
+h mailbox for task whose handle is on top of stack
+h mailbox for current task
+h keyboard for task whose handle is on top of stack
+h keyboard for current task
+	STACK: DWORD flags
+		if mailbox:
+			bit 0: all mail messages in common memory
+			bit 1: allow write even if closed
+			bit 2: don't erase messages when mailbox closed
+		if keyboard:
+			bit 5: exclusive input when keyboard in use for input
+Return: nothing
+Notes:	only available if the API level has been set to at least 2.20
+	equivalent to performing SUBFROM and ADDTO calls on the object
+SeeAlso: AH=12h/BH=0Ah,AH=12h/BH=0Bh,AH=12h/BH=16h
+----------1512--BH16-------------------------
+INT 15 - DESQview v2.20+ - SEND MESSAGE - "GETFLAGS" - GET OBJECT FLAGS
+	AH = 12h
+	BH = 16h
+	BL = object
+h DWORD on top of stack
+		mailbox, keyboard, or pointer only
+h mailbox for task whose handle is on top of stack
+h mailbox for current task
+h keyboard for task whose handle is on top of stack
+h keyboard for current task
+Return: STACK: DWORD current control flags
+Note:	only available if the API level has been set to at least 2.20
+SeeAlso: AH=12h/BH=0Ah,AH=12h/BH=0Bh,AH=12h/BH=15h
+----------1512--BH17-------------------------
+INT 15 - DESQview v2.42-2.52 - BUG
+	AH = 12h
+	BH = 17h
+	BL = object
+h DWORD on top of stack
+		mailbox, keyboard, or pointer only
+h mailbox for task whose handle is on top of stack
+h mailbox for current task
+h keyboard for task whose handle is on top of stack
+h keyboard for current task
+Notes:	due to a fencepost error, message 17h is accepted for mailboxes,
+	  keyboards, and pointers, but causes a random branch
+	DESQview v2.50-2.52 are distributed as part of DESQview/X v1.02
+----------1513-------------------------------
+INT 15 - VMiX - WAKE PROCESS
+	AH = 13h
+	STACK:	WORD	process ID
+Return: AX = status
+SeeAlso: AH=12h"VMiX"
+----------1513-------------------------------
+INT 15 - MultiDOS Plus - GET TASK CONTROL BLOCK
+	AH = 13h
+Return: BX:AX -> task control block (see below)
+SeeAlso: AH=15h"MultiDOS"
+Format of MultiDOS Plus v4.0 task control block:
+Offset	Size	Description
+h	DWORD	pointer to next TCB
+h  8 BYTEs	ASCIZ task name
+Ch  2 BYTEs	???
+Eh	WORD	task PSP segment
+h	WORD	abort/suspend flags
+h	WORD	current screen segment (see AH=0Bh,AH=0Ch)
+h	WORD	priority level (0000h-FFFEh)
+h	WORD	time slice counter
+h  2 BYTEs	???
+Ah	WORD	suspend timer value
+Ch	WORD	stack segment
+Eh	WORD	stack pointer
+h	WORD	display type
+h	WORD	display memory
+h  2 BYTEs	???
+h	WORD	termination count
+h	WORD	equipment flag for BIO10 driver
+Ah	BYTE	background CRT mode
+Bh	WORD	screen width in columns
+Dh	WORD	screen size in bytes
+Fh	WORD	segment of physical screen memory
+h 16 BYTEs	eight cursor positions
+h	WORD	current cursor shape
+h	BYTE	active display page
+h	WORD	CRT controller I/O port base
+h  2 BYTEs	???
+h	WORD	foreground task flag
+Ah  6 BYTEs	???
+h	WORD	saved video segment (see AH=0Bh,AH=0Ch)
+h	DWORD	old INT 22
+h	DWORD	old INT 23
+Ah	DWORD	old INT 24
+Eh	WORD	top of memory for task
+h  4 BYTEs	???
+h	WORD	DTA segment (see INT 21/AH=1Ah)
+h	WORD	DTA offset
+h  4 BYTEs	???
+Ch	BYTE	current ANSI.SYS attribute
+Dh	BYTE	current ANSI.SYS column
+Eh	BYTE	current ANSI.SYS row
+Fh	BYTE	current ANSI.SYS display state
+h	BYTE	maximum ANSI.SYS columns
+h	BYTE	current ANSI.SYS page
+h	WORD	saved ANSI.SYS cursor position
+h	BYTE	ANSI.SYS parameter buffer index
+h	BYTE	current ANSI.SYS screen mode
+h	BYTE	ANSI.SYS wrap flag
+h  6 BYTEs	ANSI.SYS parameter buffer
+Dh	BYTE	ANSI.SYS keyboard DSR state
+Eh  7 BYTEs	ANSI.SYS keyboard DSR buffer
+h  3 BYTEs	???
+h 16 BYTEs	request header for DOS driver calls
+h 14 BYTEs	???
+ A6h	WORD	segment of EMS map if EMS task
+ A8h	WORD	flag: task makes EMS calls
+ AAh	WORD	EMS handle for task
+ ACh	WORD	keyboard shift state
+ AEh 12 BYTEs	???
+ BAh	WORD	TCB of parent if child task
+ BCh	WORD	termination code
+ BEh	WORD	COM port number
+ C0h  4 BYTEs	???
+ C4h	WORD	current IRQ number
+ C6h  2 BYTEs	???
+ C8h	WORD	miscellaneous flag word
+ CAh  2 BYTEs	???
+ CCh	DWORD	old INT 10
+ D0h	WORD	EMS alternate map set number
+ D2h 414 BYTEs	DOS current disk and directory context (optional)
+----------1514-------------------------------
+INT 15 - VMiX - CLEAR WINDOW
+	AH = 14h
+	STACK:	WORD	top left corner of window
+		WORD	bottom right corner of window
+Return: AX = status
+SeeAlso: AH=15h"VMiX"
+----------1514-------------------------------
+INT 15 - MultiDOS Plus - CHECK IF MultiDOS FOREGROUND OR BACKGROUND
+	AH = 14h
+Return: AX = current state
+h MultiDOS Plus command prompt is background task
+h command prompt is foreground task
+SeeAlso: AH=0Bh"MultiDOS"
+----------1515-------------------------------
+INT 15 - VMiX - SET BANNER WINDOW MESSAGE
+	AH = 15h
+	STACK:	DWORD	pointer to ASCIZ banner	message
+Return: AX = status
+SeeAlso: AH=14h"VMiX"
+----------1515-------------------------------
+INT 15 - MultiDOS Plus - GET SYSTEM BLOCK
+	AH = 15h
+Return: BX:AX -> system block (see below)
+SeeAlso: AH=13h"MultiDOS"
+Format of MultiDOS Plus 4.0 system block:
+Offset	Size	Description
+h	WORD	segment of system control block
+h	WORD	redirection flag set by /NOREDIRECT
+h	WORD	no-INT 10 flag set by /NO10
+h	DWORD	old INT 10
+Ah	DWORD	new INT 10
+Eh	DWORD	pointer to WORD with current TCB offset (see AH=13h)
+h	DWORD	pointer to WORD with idle task TCB offset
+h	DWORD	pointer to WORD with foreground TCB offset
+Ah	DWORD	pointer to WORD with MultiDOS TCB offset
+Eh	WORD	Task Control Block size
+h	WORD	number of TCBs
+h	WORD	flag: EMS present
+h	WORD	EMS page frame base segment
+h	WORD	16K pages in EMS page frame
+h	WORD	base segment for conventional memory tasks
+Ah	WORD	conventional memory size in paragraphs
+Ch	DWORD	pointer to list of queue pointers
+----------1516-------------------------------
+INT 15 - VMiX - SET ROOT WINDOW SIZE AND HOME CURSOR
+	AH = 16h
+	STACK:	DWORD	pointer to I/O Request Packet
+		WORD	top left corner of window
+		WORD	bottom right corner of window
+Return: AX = status
+SeeAlso: AH=17h"VMiX"
+----------1516-------------------------------
+INT 15 - MultiDOS Plus - INITIALIZATION
+	AH = 16h
+Note:	used internally during initialization; any other calls will cause
+	  unpredicatable results
+----------1517-------------------------------
+INT 15 - VMiX - GET CONSOLE WINDOW COLORS
+	AH = 17h
+Return: AH = foreground color
+	AL = background color
+SeeAlso: AH=16h"VMiX",AH=18h"VMiX"
+----------1517-------------------------------
+INT 15 - MultiDOS Plus - MAP IRQ
+	AH = 17h
+	AL = IRQ to map (01h-0Fh)
+	BX = offset of task control block (see AH=13h) to associate with IRQ
+Return: AX = status
+h successful
+	    other invalid IRQ
+Note:	the EMS map of the specified TCB is associated with the given interrupt
+SeeAlso: AH=18h"MultiDOS",AH=19h"MultiDOS"
+----------1518-------------------------------
+INT 15 - VMiX - SET CONSOLE COLORS
+	AH = 18h
+	STACK:	WORD	new background/foreground colors
+Return: AX = color
+SeeAlso: AH=17h"VMiX"
+----------1518-------------------------------
+INT 15 - MultiDOS Plus - UNMAP IRQ
+	AH = 18h
+	AL = IRQ to unmap (01h-0Fh)
+Return: AX = status
+h successful
+h invalid IRQ
+Note:	results are unpredictable if the IRQ has not been mapped
+SeeAlso: AH=17h"MultiDOS",AH=19h"MultiDOS"
+----------1519-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 19h
+	STACK: WORD ???
+Return: ???
+----------1519-------------------------------
+INT 15 - MultiDOS Plus - UNMAP ALL IRQs
+	AH = 19h
+Return: AX destroyed
+Note:	for MultiDOS internal use only
+SeeAlso: AH=17h"MultiDOS",AH=18h"MultiDOS"
+----------151A-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 1Ah
+	STACK: 3 WORDs ???
+Return: ???
+----------151A-------------------------------
+INT 15 - MultiDOS Plus - MAP SEMAPHORE NAME TO NUMBER
+	AH = 1Ah
+	DS:SI -> 8-byte name
+Return: AL = status
+h successful
+		AH = semaphore number (20h-3Fh)
+h out of string space
+Notes:	all eight bytes of the name are significant
+	if the name does not already exist, it is added to the name table and
+	  associated with a free semaphore number
+	names cannot be destroyed
+SeeAlso: AH=1Bh"MultiDOS",AH=1Ch"MultiDOS",AH=1Dh"MultiDOS"
+----------151B-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 1Bh
+	STACK: 5 WORDs ???
+Return: ???
+----------151B-------------------------------
+INT 15 - MultiDOS Plus - REQUEST RESOURCE SEMAPHORE BY NAME
+	AH = 1Bh
+	DS:SI -> 8-byte name
+Return: AH = status
+h successful
+h invalid semaphore number
+h caller already owns semaphore
+h out of string space
+Notes:	(see notes for AH=01h"MultiDOS")
+	equivalent to AH=1Ah followed by AH=01h
+SeeAlso: AH=01h"MultiDOS",AH=1Ah"MultiDOS",AH=1Ch"MultiDOS",AH=1Dh"MultiDOS"
+----------151C-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 1Ch
+	STACK: 5 WORDs ???
+Return: ???
+----------151C-------------------------------
+INT 15 - MultiDOS Plus - RELEASE RESOURCE SEMAPHORE BY NAME
+	AH = 1Ch
+	DS:SI -> 8-byte name
+Return: AH = status
+h successful
+h not semaphore owner
+h invalid semaphore number
+h out of string space
+Notes:	(see notes for AH=02h"MultiDOS")
+	equivalent to AH=1Ah followed by AH=02h
+SeeAlso: AH=02h"MultiDOS",AH=1Ah"MultiDOS",AH=1Bh"MultiDOS",AH=1Dh"MultiDOS"
+----------151D-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 1Dh
+	???
+Return: ???
+----------151D-------------------------------
+INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE BY NAME
+	AH = 1Dh
+	DS:SI -> 8-byte name
+Return; AH = status
+h semaphore not in use
+h semaphore owned by another task
+h invalid semaphore number
+h caller owns semaphore
+h out of string space
+Notes:	(see notes for AH=10h"MultiDOS")
+	equivalent to AH=1Ah followed by AH=10h
+SeeAlso: AH=10h"MultiDOS",AH=1Ah"MultiDOS",AH=1Bh"MultiDOS",AH=1Ch"MultiDOS"
+----------151E-------------------------------
+INT 15 - VMiX v2+ - ???
+	AH = 1Eh
+	STACK: WORD ???
+Return: ???
+----------151E00-----------------------------
+INT 15 - MultiDOS Plus - CLEAR EVENT COUNTER
+	AX = 1E00h
+	DX = event/trigger number (00h-3Fh)
+Return: AH = status
+h successful
+SeeAlso: AX=1E01h,AX=1E02h
+----------151E01-----------------------------
+INT 15 - MultiDOS Plus - TRIGGER EVENT
+	AX = 1E01h
+	DX = event/trigger number (00h-3Fh)
+Return: AH = status
+h successful
+h invalid event/trigger number
+Notes:	schedules any task waiting for event; if no task is waiting, the event
+	  counter is incremented (and will roll over if it was 65535)
+	may be invoked by interrupt handler
+SeeAlso: AX=1E00h,AX=1E02h
+----------151E02-----------------------------
+INT 15 - MultiDOS Plus - WAIT FOR EVENT
+	AX = 1E02h
+	DX = event/trigger number (00h-3Fh)
+Return: AH = status
+h successful
+h invalid event/trigger number
+Note:	if the event counter is zero, the task is suspended until the event is
+	  triggered with AX=1E01h; else, the counter is decremented and the
+	  call returns immediately
+SeeAlso: AX=1E00h,AX=1E01h
+----------151F-------------------------------
+INT 15 - MultiDOS Plus v4.01 - GET MEMORY PARAMETERS
+	AH = 1Fh
+Return: BX = first segment of conventional memory
+	DX = first segment of EMS swap frame into which MultiDOS will load
+		programs
+----------1520-------------------------------
+INT 15 - MultiDOS Plus v4.01 - CHECK IF MULTITASKING ENABLED
+	AH = 20h
+Return: AX = current state
+h multitasking enabled
+	    other TCB of task that disabled multitasking
+SeeAlso: AH=0Dh"MultiDOS",AH=13h"MultiDOS"
+----------152000-----------------------------
+INT 15 - DOS 3+ PRINT.COM - DISABLE CRITICAL REGION FLAG
+	AX = 2000h
+SeeAlso: AX=2001h
+----------152001-----------------------------
+INT 15 - DOS 3+ PRINT.COM - SET CRITICAL REGION FLAG
+	AX = 2001h
+	ES:BX -> byte which is to be incremented while in a DOS call
+SeeAlso: AX=2000h
+----------152010-----------------------------
+INT 15 - OS HOOK - SETUP SYSREQ ROUTINE (AT,XT286,PS50+)
+	AX = 2010h
+	???
+Return: ???
+SeeAlso: AX=2011h
+----------152011-----------------------------
+INT 15 - OS HOOK - COMPLETION OF SYSREQ FUNCTION (AT,XT286,PS50+)
+	AX = 2011h
+	???
+Return: ???
+SeeAlso: AX=2010h
+----------1521-------------------------------
+INT 15 - SYSTEM - POWER-ON SELF-TEST ERROR LOG (PS50+)
+	AH = 21h
+	AL = subfunction
+h read POST log
+h write POST log
+		BH = device ID
+		BL = error code
+Return: CF set on error
+	AH = status (00h OK, 01h list full, 80h invalid cmd, 86h unsupported)
+	if function 00h:
+	   BX = number of error codes stored
+	   ES:DI -> error log
+Note:	the log is a series of words, the first byte of which identifies the
+	  error code and the second the device.
+----------152400-----------------------------
+INT 15 - Qualitas 386MAX v6.01 - TURN ON ???
+	AX = 2400h
+Return: CF clear
+	AH = 00h
+----------152401-----------------------------
+INT 15 - Qualitas 386MAX v6.01 - TURN OFF ???
+	AX = 2401h
+Return: CF clear
+	AH = 00h
+----------152402-----------------------------
+INT 15 - Qualitas 386MAX v6.01 - GET STATE OF ???
+	AX = 2402h
+Return: CF clear
+	AH = 00h
+	AL = current state (00h off, 01h on)
+----------152403-----------------------------
+INT 15 - Qualitas 386MAX v6.01 - GET ???
+	AX = 2403h
+	???
+Return: CF clear
+	AH = 00h
+	BX = bit flags???
+	    bit 0: ???
+	    bit 1: ???
+Note:	reportedly also used by some PS/2 models
+----------1540-------------------------------
+INT 15 - SYSTEM - READ/MODIFY PROFILES (CONVERTIBLE)
+	AH = 40h
+	AL = subfunction
+h get system profile in CX and BX
+h set system profile from CX and BX
+h get internal modem profile in BX
+h set internal modem profile from BX
+----------154000-----------------------------
+INT 15 - Compaq SLT/286 or Portable 386 - READ LCD/PLASMA TIMEOUT
+	AX = 4000h
+Return: AX = 4000h
+	CL = 00h timeout disabled
+	   else timeout in minutes
+SeeAlso: AX=4001h,AX=4600h
+----------154001CL00-------------------------
+INT 15 - Compaq SLT/286 or Portable 386 - SET LCD/PLASMA TIMEOUT
+	AX = 4001h
+	CL = 00h timeout disabled
+	   else	 timeout in minutes
+Return: AL = 00h timeout modified
+h timeout cannot be modified
+h timeout cannot be modified
+	CL = 00h timeout disabled
+	   else timeout in minutes
+SeeAlso: AX=4000h,AX=4601h
+----------1541-------------------------------
+INT 15 - SYSTEM - WAIT ON EXTERNAL EVENT (CONVERTIBLE)
+	AH = 41h
+	AL = condition type
+	    bits 0-2: condition to wait for
+any external event
+compare and return if equal
+compare and return if not equal
+test and return if not zero
+test and return if zero
+	    bit 3:    reserved
+	    bit 4:    1=port address, 0=user byte
+	    bits 5-7: reserved
+	BH = condition compare or mask value
+	BL = timeout value times 55 milliseconds
+h means no timeout
+	DX = I/O port address if AL bit 4 set
+	ES:DI -> user byte if AL bit 4 clear
+----------1542-------------------------------
+INT 15 - SYSTEM - REQUEST POWER OFF (CONVERTIBLE)
+	AH = 42h
+	AL = 00h to use system profile
+h to force suspend regardless of system profile
+SeeAlso: AH=44h
+----------154280-----------------------------
+INT 15 - Compaq SLT/286 - ENTER STANDBY
+	AX = 4280h
+Return: AH = 42h
+	CF clear if successful
+	CF set if unable to enter standby
+SeeAlso: AX=4600h,AX=5307h/BX=0001h/CX=0001h
+----------1543-------------------------------
+INT 15 - SYSTEM - READ SYSTEM STATUS (CONVERTIBLE)
+	AH = 43h
+Return: AL = status bits
+	    bit 0: LCD detached
+	    bit 1: reserved
+	    bit 2: RS232/parallel adapter powered on
+	    bit 3: internal modem powered on
+	    bit 4: power activated by alarm
+	    bit 5: standby power lost
+	    bit 6: external power in use
+	    bit 7: power low
+----------1544-------------------------------
+INT 15 - SYSTEM - (DE)ACTIVATE INTERNAL MODEM POWER (CONVERTIBLE)
+	AH = 44h
+	AL = 00h to power off
+h to power on
+SeeAlso: AH=42h
+----------154600-----------------------------
+INT 15 - Compaq SLT/286 - READ POWER CONSERVATION/MODEM CONFIGURATION
+	AX = 4600h
+Return: AH = modem configuration information
+	    bit 0 powerup state
+off
+on
+modem installed
+IRQ line assignment
+IRQ 4
+IRQ 3
+COM port assignment
+= COM 2
+= COM 1
+modem state
+not assigned
+assigned
+modem is on
+	AL = power conservation status information
+	    bit 0  power source (0 internal, 1 external)
+-2 low battery state
+no low battery condition
+low battery 1
+reserved
+low battery 2
+-4 power conservation mode
+automatic
+on
+off
+reserved
+	BH = default system inactivity timeout (1-21 minutes)
+	BL = current system inactivity timeout (1-21 minutes)
+	CH = default video display inactivity timeout (1-63 minutes)
+	CL = current video display inactivity timeout (1-63 minutes)
+	DH = default fixed disk drive inactivity timeout (1-21 minutes)
+	DL = current fixed disk drive inactivity timeout (1-21 minutes)
+SeeAlso: AX=4280h,AX=4601h,INT 77
+----------154601-----------------------------
+INT 15 - Compaq SLT/286 - Modify Power Conservation/Modem Configuration
+	AX = 4601h
+	BL = system inactivity timeout (1-21 minutes)
+	   = FFh do not change
+	CL = video display inactivity timeout (1-63 minutes)
+	   = FFh do not change
+	DL = current fixed disk drive inactivity timeout (1-21 minutes)
+	   = FFh do not change
+	DH = 00h turn modem OFF
+	   = 01h turn modem ON
+	   = FFh do not change modem state
+Return: CF clear if successful
+	    AH = 00h
+	    BL = current system inactivity timeout (1-21 minutes)
+	    CL = current video display inactivity timeout (1-63 minutes)
+	    DL = current fixed disk drive inactivity timeout (1-21 minutes)
+	    DH = FFh modem state unchanged
+	       = 00h modem turned OFF
+	       = 01h modem turned ON
+	CF set on error
+	    AH = 01h input is out of range
+	       = 02h - No modem present
+SeeAlso: AX=4600h,INT 77
+----------154DD4-----------------------------
+INT 15 - HP 95LX - INSTALLATION CHECK
+	AX = 4DD4h
+Return: BX = 4850h ("HP") if HP 95LX
+	    CX = ??? (0101h)
+	    DL = ??? (00h)
+SeeAlso: INT 0B"HP 95LX",INT 0F"HP 95LX",INT 5F/AH=00h,INT 60/DI=0100h
+SeeAlso: INT 61"HP 95LX"
+----------154E-------------------------------
+INT 15 - HP 95LX - ENABLE/DISABLE LIGHT SLEEP
+	AH = 4Eh
+	AL = light sleep
+h disabled
+h enabled
+Note:	when light sleep is disabled, the system will continue running at full
+	  speed; when enabled, it may automatically slow to conserve batteries
+SeeAlso: INT 06"HP 95LX",INT 60/DI=0100h
+----------154F-------------------------------
+INT 15 - OS HOOK - KEYBOARD INTERCEPT (AT model 3x9,XT2,XT286,CONV,PS)
+	AH = 4Fh
+	AL = hardware scan code
+	CF set
+Return: CF set
+	   AL = hardware scan code
+	CF clear
+	   scan code should be ignored
+Note:	called by INT 9 handler to translate scan codes; the INT 09 code does
+	  not examine the scan code it reads from the keyboard until after
+	  this function returns.  This permits software to rearrange the
+	  keyboard; for example, swapping the CapsLock and Control keys, or
+	  turning the right Shift key into Enter.
+SeeAlso: INT 09,INT 15/AH=C0h
+----------155300BX0000-----------------------
+INT 15 - Advanced Power Management Specification - INSTALLATION CHECK
+	AX = 5300h
+	BX = 0000h (device ID of system BIOS)
+Return: CF clear if successful
+	    AH = major version (BCD)
+	    AL = minor version (BCD)
+	    BX = 504Dh ("PM")
+	    CX = flags
+	        bit 0: 16-bit protected mode interface supported
+		bit 1: 32-bit protected mode interface supported
+		bit 2: CPU idle call reduces processor speed
+		bit 3: BIOS power management disabled
+		bits 4-7 reserved
+	CF set on error
+	    AH = error code (86h) (see below)
+Values for error code:
+h	power management functionality disabled
+h	interface connection already in effect
+h	interface not connected
+h	real-mode interface not connected
+h	16-bit protected-mode interface already connected
+h	16-bit protected-mode interface not supported
+h	32-bit protected-mode interface already connected
+h	32-bit protected-mode interface not supported
+h	unrecognized device ID
+Ah	invalid parameter value in CX
+Bh-1Fh reserved for other interface and general errors
+h-3Fh reserved for CPU errors
+h-5Fh reserved for device errors
+h	can't enter requested state
+h-7Fh reserved for other system errors
+h	no power management events pending
+h-85h reserved for other power management event errors
+h	APM not present
+h-9Fh reserved for other power management event errors
+----------155301BX0000-----------------------
+INT 15 - Advanced Power Management Specification - CONNECT REAL-MODE INTERFACE
+	AX = 5301h
+	BX = 0000h (device ID of system BIOS)
+Return: CF clear if successful
+	CF set on error
+	    AH = error code (02h,09h) (see AX=5300h)
+SeeAlso: AX=5302h,AX=5303h,AX=5304h
+----------155302BX0000-----------------------
+INT 15 R - Advanced Power Management Spec - CONNECT 16-BIT PROTMODE INTERFACE
+	AX = 5302h
+	BX = 0000h (device ID of system BIOS)
+Return: CF clear if successful
+	    AX = real-mode segment base address of protected-mode 16-bit code
+	    	segment
+	    BX = offset of entry point
+	    CX = real-mode segment base address of protected-mode 16-bit data
+	    	segment
+	CF set on error
+	    AH = error code (05h,06h,09h) (see AX=5300h)
+Notes:	the caller must initialize two consecutive descriptors with the
+	  returned segment base addresses; these descriptors must be valid
+	  whenever the protected-mode interface is called, and will have
+	  their limits arbitrarily set to 64K.
+	the protected mode interface is invoked by making a far call with the
+	  same register values as for INT 15; it must be invoked while CPL=0,
+	  the code segment descriptor must have a DPL of 0, the stack must be
+	  in a 16-bit segment and have enough room for BIOS use and possible
+	  interrupts, and the current I/O permission bit map must allow access
+	  to the I/O ports used for power management.
+	functions 00h-03h are not available from protected mode
+SeeAlso: AX=5301h,AX=5303h,AX=5304h
+----------155303BX0000-----------------------
+INT 15 - Advanced Power Management Spec - CONNECT 32-BIT PROTMODE INTERFACE
+	AX = 5303h
+	BX = 0000h (device ID of system BIOS)
+Return: CF clear if successful
+	    AX = real-mode segment base address of protected-mode 32-bit code
+	    	segment
+	    EBX = offset of entry point
+	    CX = real-mode segment base address of protected-mode 16-bit code
+	    	segment
+	    DX = real-mode segment base address of protected-mode 16-bit data
+	    	segment
+	CF set on error
+	    AH = error code (07h,08h,09h) (see AX=5300h)
+Notes:	the caller must initialize three consecutive descriptors with the
+	  returned segment base addresses for 32-bit code, 16-bit code, and
+-bit data, respectively; these descriptors must be valid whenever
+	  the protected-mode interface is called, and will have their limits
+	  arbitrarily set to 64K.
+	the protected mode interface is invoked by making a far call to the
+-bit code segment with the same register values as for INT 15; it
+	  must be invoked while CPL=0, the code segment descriptor must have a
+	  DPL of 0, the stack must be in a 32-bit segment and have enough room
+	  for BIOS use and possible interrupts, and the current I/O permission
+	  bit map must allow access to the I/O ports used for power management.
+	functions 00h-03h are not available from protected mode
+SeeAlso: AX=5301h,AX=5302h,AX=5304h
+----------155304BX0000-----------------------
+INT 15 - Advanced Power Management Specification - DISCONNECT INTERFACE
+	AX = 5304h
+	BX = 0000h (device ID of system BIOS)
+Return: CF clear if successful
+	CF set on error
+	    AH = error code (03h,09h) (see AX=5300h)
+SeeAlso: AX=5301h,AX=5302h,AX=5303h
+----------155305-----------------------------
+INT 15 - Advanced Power Management Specification - CPU IDLE
+	AX = 5305h
+Return: after system leaves idle state
+	CF clear
+Notes:	call when the system is idle and should be suspended until the next
+	  system event or interrupt
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+	if an interrupt causes the system to resume normal processing, the
+	  interrupt may or may not have been handled when the BIOS returns
+	  from this call; thus, the caller should allow interrupts on return
+	interrupt handlers may not retain control if the BIOS allows
+	  interrupts while in idle mode even if they are able to determine
+	  that they were called from idle mode
+	the caller should issue this call continuously in a loop until it needs
+	  to perform some processing of its own
+SeeAlso: AX=1000h,AX=5306h,INT 2F/AX=1680h
+----------155306-----------------------------
+INT 15 - Advanced Power Management Specification - CPU BUSY
+	AX = 5306h
+Return: CF clear
+Notes:	called to ensure that the system runs at full speed even on systems
+	  where the BIOS is unable to recognize increased activity (especially
+	  if interrupts are hooked by other programs and not chained to the
+	  BIOS)
+	this call may be made even when the system is already running at full
+	  speed, but it will create unnecessary overhead
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+SeeAlso: AX=5305h
+----------155307-----------------------------
+INT 15 - Advanced Power Management Specification - SET POWER STATE
+	AX = 5307h
+	BX = device ID (see below)
+	CX = system state ID
+h ready (not supported for device ID 0001h)
+h stand-by
+h suspend
+h off (not supported for device ID 0001h)
+h-FFFFh reserved
+Return: CF clear if successful
+	CF set on error
+	    AH = error code (01h,09h,0Ah,60h) (see AX=5300h)
+Note:	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+Values for device IDs:
+h	system BIOS
+h	all devices for which the system BIOS manages power
+xxh	display (01FFh for all attached display devices)
+xxh	secondary storage (02FFh for all attached secondary storage devices)
+xxh	parallel ports (03FFh for all attached parallel ports)
+xxh	serial ports (04FFh for all attached serial ports)
+h-FFFFh reserved
+----------155307BX0001-----------------------
+INT 15 - Advanced Power Management Specification - SYSTEM STAND-BY
+	AX = 5307h
+	BX = 0001h
+	CX = 0001h
+Return: CF clear
+Notes:	puts the entire system into stand-by mode; normally called in response
+	  to a System Stand-by Request notification after any necessary
+	  processing, but may also be invoked at the caller's discretion
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+	the stand-by state is typically exited on an interrupt
+SeeAlso: AX=4280h,AX=5307h/BX=0001h/CX=0002h,AX=530Bh
+----------155307BX0001-----------------------
+INT 15 - Advanced Power Management Specification - SUSPEND SYSTEM
+	AX = 5307h
+	BX = 0001h
+	CX = 0002h
+Return: after system is resumed
+	CF clear
+Notes:	puts the entire system into a low-power suspended state; normally
+	  called in response to a Suspend System Request notification after
+	  any necessary processing, but may also be invoked at the caller's
+	  discretion
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+	the caller may need to update its date and time values because the
+	  system could have been suspended for a long period of time
+SeeAlso: AX=5307h/BX=0001h/CX=0001h,AX=530Bh
+----------155308BXFFFF-----------------------
+INT 15 - Advanced Power Management Spec - ENABLE/DISABLE POWER MANAGEMENT
+	AX = 5308h
+	BX = FFFFh
+	CX = new state
+h disabled
+h enabled
+Return: CF clear if successful
+	CF set on error
+	    AH = error code (01h,09h,0Ah) (see AX=5300h)
+Notes:	when power management is disabled, the system BIOS will not
+	  automatically power down devices, enter stand-by or suspended mode,
+	  or perform any power-saving actions in response to AX=5305h calls
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+SeeAlso: AX=5309h
+----------155309BXFFFF-----------------------
+INT 15 - Advanced Power Management Specification - RESTORE POWER-ON DEFAULTS
+	AX = 5309h
+	BX = FFFFh
+Return: CF clear if successful
+	CF set on error
+	    AH = error code (09h) (see AX=5300h)
+Note:	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+SeeAlso: AX=5308h
+----------15530ABX0001-----------------------
+INT 15 - Advanced Power Management Specification - GET POWER STATUS
+	AX = 530Ah
+	BX = 0001h
+Return: CF clear if successful
+	    BH = AC line status
+h off-line
+h on-line
+		FFh unknown
+		other reserved
+	    BL = battery status
+h high
+h low
+h critical
+h charging
+		FFh unknown
+		other reserved
+	    CL = remaining battery life
+h-64h (0-100) percentage of full charge
+		FFh unknown
+	CF set on error
+	    AH = error code (09h) (see AX=5300h)
+Note:	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+----------15530B-----------------------------
+INT 15 - Advanced Power Management Specification - GET POWER MANAGEMENT EVENT
+	AX = 530Bh
+Return: CF clear if successful
+	    BX = event code
+h system stand-by request
+h system suspend request
+h normal resume system notification
+h critical resume system notification
+h battery low notification
+	CF set on error
+	    AH = error code (03h,80h) (see AX=5300h)
+Notes:	although power management events are often asynchronous, notification
+	  will not be made until polled via this call to permit software to
+	  only receive event notification when it is prepared to process
+	  power management events; since these events are not very time-
+	  critical, it should be sufficient to poll once or twice per second
+	the critical resume notification is made after the system resumes
+	  from an emergency suspension; normally, the system BIOS only notifies
+	  its partner that it wishes to suspend and relies on the partner to
+	  actually request the suspension, but no notification is made on an
+	  emergency suspension
+	should not be called from within a hardware interrupt handler to avoid
+	  reentrance problems
+SeeAlso: AX=5307h,AX=5307h/BX=0001h/CX=0001h,AX=5307h/BX=0001h/CX=0002h
+----------155400-----------------------------
+INT 15 - Omniview Multitasker - INSTALLATION NOTIFICATION
+	AX = 5400h
+	ES:BX -> device information tables
+	DI:DX -> dispatcher entry point
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5407h
+----------155401-----------------------------
+INT 15 - Omniview Multitasker - PROCESS CREATION
+	AX = 5401h
+	ES:BX = process handle
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5402h
+----------155402-----------------------------
+INT 15 - Omniview Multitasker - PROCESS DESTRUCTION
+	AX = 5402h
+	ES:DX = process handle
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5401h
+----------155403-----------------------------
+INT 15 - Omniview Multitasker - SAVE
+	AX = 5403h
+	ES:DX = process swapping out
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5404h
+----------155404-----------------------------
+INT 15 - Omniview Multitasker - RESTORE
+	AX = 5404h
+	ES:DX = process swapping in
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5403h
+----------155405-----------------------------
+INT 15 - Omniview Multitasker - SWITCHING TO BACKGROUND
+	AX = 5405h
+	ES:DX = process swapping in
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5406h
+----------155406-----------------------------
+INT 15 - Omniview Multitasker - SWITCHING TO FOREGROUND
+	AX = 5406h
+	ES:DX = process swapping in
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5405h
+----------155407-----------------------------
+INT 15 - Omniview Multitasker - EXIT NOTIFICATION
+	AX = 5407h
+Note:	called by OmniView to notify programs loaded before OmniView of state
+	  changes inside OmniView
+SeeAlso: AX=5400h
+----------1580-------------------------------
+INT 15 - OS HOOK - DEVICE OPEN (AT,XT286,PS)
+	AH = 80h
+	BX = device ID
+	CX = process ID
+	CF clear
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = status
+h invalid command (PC,PCjr)
+h function not supported (XT)
+Note:	this function should be hooked by a multitasker which wishes to keep
+	  track of device ownership; the default BIOS handler merely returns
+	  successfully
+SeeAlso: AH=81h,AH=82h
+----------1581-------------------------------
+INT 15 - OS HOOK - DEVICE CLOSE
+	AH = 81h
+	BX = device ID
+	CX = process ID
+	CF clear
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = status (see AH=80h)
+Note:	this function should be hooked by a multitasker which wishes to keep
+	  track of device ownership; the default BIOS handler merely returns
+	  successfully
+SeeAlso: AH=80h,AH=82h
+----------1582-------------------------------
+INT 15 - OS HOOK - PROGRAM TERMINATION
+	AH = 82h
+	BX = process ID
+	CF clear
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = status (see AH=80h)
+Notes:	closes all devices opened by the given process ID with function 80h
+	this function should be hooked by a multitasker which wishes to keep
+	  track of device ownership; the default BIOS handler merely returns
+	  successfully
+SeeAlso: AH=80h,AH=81h
+----------1583-------------------------------
+INT 15 - BIOS - SET EVENT WAIT INTERVAL (AT,PS50+)
+	AH = 83h
+	AL = subfunction
+h set interval
+		CX:DX = microseconds to delay
+		ES:BX -> byte whose high bit is to be set at end of interval
+h cancel wait interval
+Return: CF set on error or function already busy
+	    AH = status
+h invalid command (PC,PCjr)
+h function not supported (XT and later)
+	CF clear if successful
+Note:	the resolution of the wait period is 977 microseconds on most systems
+	  because most BIOSes use the 1/1024 second fast interrupt from the AT
+	  real-time clock chip which is available on INT 70
+SeeAlso: AH=86h,INT 70
+----------1584-------------------------------
+INT 15 - BIOS - JOYSTICK SUPPORT (XT after 11/8/82,AT,XT286,PS)
+	AH = 84h
+	DX = subfunction
+h read joystick switches
+		Return: AL bits 7-4 = switch settings
+h read positions of joysticks
+		Return: AX = X position of joystick A
+			BX = Y position of joystick A
+			CX = X position of joystick B
+			DX = Y position of joystick B
+Return: CF set on error
+	    AH = status
+h invalid command (PC,PCjr)
+h function not supported (other)
+	CF clear if successful
+Notes:	if no game port is installed, subfunction 0000h returns AL=00h (all
+	  switches open) and subfunction 0001h returns AX=BX=CX=DX=0000h
+	a 250kOhm joystick typically returns 0000h-01A0h
+----------1585-------------------------------
+INT 15 - OS HOOK - SysRq KEY ACTIVITY (AT,PS)
+	AH = 85h
+	AL = 00h SysRq key pressed
+	   = 01h SysRq key released
+	CF clear
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = status (see AH=84h)
+Notes:	called by keyboard decode routine
+	the default handler simply returns successfully; programs which wish
+	  to monitor the SysRq key must hook this call
+SeeAlso: INT 09
+----------1586-------------------------------
+INT 15 - BIOS - WAIT (AT,PS)
+	AH = 86h
+	CX:DX = interval in microseconds
+Return: CF clear if successful (wait interval elapsed)
+	CF set on error or AH=83h wait already in progress
+	    AH = status (see AH=84h)
+Note:	the resolution of the wait period is 977 microseconds on most systems
+	  because most BIOSes use the 1/1024 second fast interrupt from the AT
+	  real-time clock chip which is available on INT 70
+SeeAlso: AH=83h,INT 70
+----------1587-------------------------------
+INT 15 - SYSTEM - COPY EXTENDED MEMORY
+	AH = 87h
+	CX = number of words to copy (max 8000h)
+	ES:SI -> global descriptor table
+Return: CF set on error
+	CF clear if successful
+	AH = status
+h source copied into destination
+h parity error
+h interrupt error
+h address line 20 gating failed
+h invalid command (PC,PCjr)
+h unsupported function (XT,PS30)
+Notes:	copy is done in protected mode with interrupts disabled
+	this function is incompatible with the OS/2 compatibility box
+SeeAlso: AH=88h,AH=89h
+Format of global descriptor table:
+Offset	Size	Description
+h 16 BYTEs	zeros
+h	WORD	source segment length in bytes (2*CX-1 or greater)
+h  3 BYTEs	24-bit linear source address, low byte first
+h	BYTE	source segment access rights (93h)
+h	WORD	zero
+h	WORD	destination segment length in bytes (2*CX-1 or greater)
+Ah  3 BYTEs	24-bit linear destination address, low byte first
+Dh	BYTE	destination segment access rights (93h)
+Eh 18 BYTEs	zeros
+----------1588-------------------------------
+INT 15 - SYSTEM - GET EXTENDED MEMORY SIZE (286+)
+	AH = 88h
+Return: CF clear if successful
+	    AX = number of contiguous KB starting at absolute address 100000h
+	CF set on error
+	    AH = status
+h invalid command (PC,PCjr)
+h unsupported function (XT,PS30)
+Note:	TSRs which wish to allocate extended memory to themselves often hook
+	  this call, and return a reduced memory size.	They are then free to
+	  use the memory between the new and old sizes at will.
+SeeAlso: AH=87h
+----------1589-------------------------------
+INT 15 - SYSTEM - SWITCH TO PROTECTED MODE
+	AH = 89h
+	BL = interrupt number of IRQ0 (IRQ1-7 use next 7 interrupts)
+	BH = interrupt number of IRQ8 (IRQ9-F use next 7 interrupts)
+	ES:SI -> GDT for protected mode
+	       offset 0h  null descriptor (initialize to zeros)
+h  GDT descriptor
+h  IDT descriptor
+h  DS
+h  ES
+h  SS
+h  CS
+h  uninitialized, used to build descriptor for BIOS CS
+	CX = offset into protected-mode CS to jump to
+Return: CF set on error
+	   AH = FFh  error enabling address line 20
+	CF clear if successful
+	   AH = 00h
+	   in protected mode at specified address
+Note:	BL and BH must be multiples of 8
+SeeAlso: AH=87h,AH=88h,INT 67/AX=DE0Ch
+----------1590-------------------------------
+INT 15 - OS HOOK - DEVICE BUSY (AT,PS)
+	AH = 90h
+	AL = device type
+h disk
+h diskette
+h keyboard
+h PS/2 pointing device
+h waiting for keyboard input (Phoenix BIOS)
+h network
+	    FBh digital sound (Tandy)
+	    FCh disk reset (PS)
+	    FDh diskette motor start
+	    FEh printer
+	ES:BX -> request block for type codes 80h through BFh
+	CF clear
+Return: CF set if wait time satisfied
+	CF clear if driver must perform wait
+	    AH = 00h
+Notes:	type codes are allocated as follows:
+-7F non-reentrant devices; OS must arbitrate access
+-BF reentrant devices; ES:BX points to a unique control block
+	  C0-FF wait-only calls, no complementary INT 15/AH=91h call
+	floppy and hard disk BIOS code uses this call to implement a timeout;
+	  for device types 00h and 01h, a return of CF set means that the
+	  timeout expired before the disk responded.
+	this function should be hooked by a multitasker to allow other tasks
+	  to execute while the BIOS is waiting for I/O completion; the default
+	  handler merely returns with AH=00h and CF clear
+SeeAlso: AH=91h,INT 13/AH=00h,INT 17/AH=00h,INT 1A/AH=83h
+----------1591-------------------------------
+INT 15 - OS HOOK - DEVICE POST (AT,PS)
+	AH = 91h
+	AL = device type (see AH=90h)
+	ES:BX -> request block for type codes 80h through BFh
+	CF clear
+Return: AH = 00h
+Note:	this function should be hooked by a multitasker to allow other tasks
+	  to execute while the BIOS is waiting for I/O completion; the default
+	  handler merely returns with AH=00h and CF clear
+SeeAlso: AH=90h
+----------15BC-------------------------------
+INT 15 - Phoenix 386 BIOS - DETERMINE CPU SPEED
+	AH = BCh
+Return: CF clear
+	BYTE 0040h:00B0h set to ??? (43 on my 386/33)
+Note:	reads system timer channel 0 twice, then does calculations on returned
+	  values
+----------15BF00-----------------------------
+INT 15 - Rational Systems DOS/16M - ???
+	AX = BF00h
+	???
+Return: ???
+Note:	under DESQview/X 1.02 DVDOS4GX.DVR, this call is identical to AX=BF02h
+SeeAlso: AX=BF02h
+----------15BF01-----------------------------
+INT 15 - Rational Systems DOS/16M - ???
+	AX = BF01h
+	???
+Return: ???
+Note:	under DESQview/X 1.02 DVDOS4GX.DVR, this call is identical to AX=BF02h
+SeeAlso: AX=BF02h
+----------15BF02DX0000-----------------------
+INT 15 - Rational Systems DOS/16M - INSTALLATION CHECK
+	AX = BF02h
+	DX = 0000h
+Return: DX = nonzero if installed
+	    DX:SI -> XBRK structure (see below)
+SeeAlso: AX=BFDEh/BX=0000h
+SeeAlso: INT 21/AX=FF00h,INT 2F/AH=A1h,INT 2F/AX=F100h,INT 2F/AX=FBA1h
+Format of XBRK structure:
+Offset	Size	Description
+h	DWORD	linear address of last available byte + 1 ???
+ 	???
+----------15BFDEBX0000-----------------------
+INT 15 - DESQview/X - DVDOS4GX.DVR - INSTALLATION CHECK
+	AX = BFDEh
+	BX = 0000h
+Return: AX = ??? (0003h)
+	BX = FFFFh
+SeeAlso: AX=BF02h
+----------15BFDEBX0001-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET PROCESS MANAGER NAME
+	AX = BFDEh
+	BX = 0001h
+Return: BX = 0000h (success)
+	CX:DX -> name of process manager executable
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0002-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - SET ???
+	AX = BFDEh
+	BX = 0002h
+	CX:DX -> ???
+Return: BX = 0000h (success)
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=0003h
+----------15BFDEBX0003-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0003h
+Return: BX = 0000h (success)
+	CX:DX -> ???
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=0002h
+----------15BFDEBX0004-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0004h
+Return: BX = 0000h (success)
+	CX:DX -> ???
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0005-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 0005h
+	CX = new value for ???
+Return: BX = 0000h (success)
+	AX = old value of ???
+	DS:SI -> ??? (if AX nonzero on return)
+	ES:DI -> ??? (if AX zero on return)
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0006-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0006h
+Return: BX = 0000h (success)
+	AH = interrupt number??? (BEh)
+	CX:DX = ???
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=0007h,INT BE"DESQview"
+----------15BFDEBX0007-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - SET ???
+	AX = BFDEh
+	BX = 0007h
+	CX:DX = ???
+Return: BX = 0000h (success)
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=0006h
+----------15BFDEBX0008-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 0008h
+	CX = ???
+	DS = ???
+Return: BX = status
+h successful
+	    	AL = ??? (80h or C0h)
+		DX = ??? (0603h) if AL=C0h
+h failed
+	    	AX = 0000h
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0009-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET PROTECTED MODE PROGRAM LOADER
+	AX = BFDEh
+	BX = 0009h
+Return: BX = 0000h (success)
+	CX:DX -> full pathname to LOAD32.EXP
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX000A-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - DECREMENT ???
+	AX = BFDEh
+	BX = 000Ah
+Return: BX = 0000h (success)
+	AX = new value of ??? counter
+Note:	also resets a variety of values if the counter goes negative
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=000Bh
+----------15BFDEBX000B-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - INCREMENT ???
+	AX = BFDEh
+	BX = 000Bh
+Return:	AX = new value of ??? counter
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=000Ah
+----------15BFDEBX000C-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 000Ch
+	CL = ???
+h
+	    nonzero
+Return: ???
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX000D-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 000Dh
+	???
+Return: ???
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX000E-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 000Eh
+	DX:CX -> ???
+Return: AX = segment of handle for calling task
+	BX = ??? (probably destroyed)
+	DX:CX -> ???
+SeeAlso: AX=BFDEh/BX=0000h,AX=BFDEh/BX=000Fh,AX=BFDEh/BX=0013h
+----------15BFDEBX000F-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - ???
+	AX = BFDEh
+	BX = 000Fh
+Return: AX = segment of handle for calling task
+	BX = ??? (probably destroyed)
+	DX:CX -> ???
+Note:	identical to AX=BFDEh/BX=000Eh with CX:DX = 0000h:0000h
+SeeAlso: AX=BFDEh/BX=000Eh,AX=BFDEh/BX=0010h
+----------15BFDEBX0010-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET TASK HANDLE
+	AX = BFDEh
+	BX = 0010h
+Return: AX = segment of caller's task handle
+	BX destroyed
+SeeAlso: AX=BFDEh/BX=000Fh
+----------15BFDEBX0011-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0011h
+Return: CX = code segment of DVDOS4GX.DVR
+	BX = ??? (0004h)
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0012-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0012h
+Return: DX = code segment of DVDOS4GX.DVR
+	BX = ??? (012Ch)
+	CX = ??? (0006h)
+SeeAlso: AX=BFDEh/BX=0000h
+----------15BFDEBX0013-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = 0013h
+Return: DX:CX -> ???
+SeeAlso: AX=BFDEh/BX=000Eh
+----------15BFDEBX0014-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - LOCK ??? MAILBOX
+	AX = BFDEh
+	BX = 0014h
+	CX = index of ??? mailbox
+		(0000h-0004h valid, but no range checking done)
+Return: AX,BX destroyed
+SeeAlso: AX=BFDEh/BX=0015h,AX=BFDEh/BX=0017h
+----------15BFDEBX0015-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - UNLOCK ??? MAILBOX
+	AX = BFDEh
+	BX = 0015h
+	CX = index of ??? mailbox
+		(0000h-0004h valid, but no range checking done)
+Return: AX,BX destroyed
+SeeAlso: AX=BFDEh/BX=0014h,AX=BFDEh/BX=0016h
+----------15BFDEBX0016-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - CHECK IF ??? MAILBOX OWNED
+	AX = BFDEh
+	BX = 0016h
+	CX = index of ??? mailbox
+		(0000h-0004h valid, but no range checking done)
+Return: AX = status
+h no one owns mailbox
+h mailbox has an owner
+	BX destroyed
+SeeAlso: AX=BFDEh/BX=0015h,AX=BFDEh/BX=0017h
+----------15BFDEBX0017-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ??? MAILBOX OWNER
+	AX = BFDEh
+	BX = 0017h
+	CX = index of ??? mailbox
+		(0000h-0004h valid, but no range checking done)
+Return: AX = segment of mailbox owner's handle
+	BX = segment of caller's task handle
+SeeAlso: AX=BFDEh/BX=0015h,AX=BFDEh/BX=0016h
+----------15BFDEBXFFFD-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - GET ???
+	AX = BFDEh
+	BX = FFFDh
+Return: CX:DX = ???
+SeeAlso: AX=BFDEh/BX=FFFEh
+----------15BFDEBXFFFE-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - SET ???
+	AX = BFDEh
+	BX = FFFEh
+	CX:DX = ???
+SeeAlso: AX=BFDEh/BX=FFFDh
+----------15BFDEBXFFFF-----------------------
+INT 15 - DESQview/X 1.02 - DVDOS4GX.DVR - NOP
+	AX = BFDEh
+	BX = FFFFh
+SeeAlso: AX=BFDEh/BX=0000h
+----------15C0-------------------------------
+INT 15 - SYSTEM - GET CONFIGURATION (XT after 1/10/86,AT mdl 3x9,CONV,XT286,PS)
+	AH = C0h
+Return: CF set if BIOS doesn't support call
+	CF clear on success
+	    ES:BX -> ROM table (see below)
+	AH = status
+h successful
+h unsupported function
+Notes:	the 1/10/86 XT BIOS returns an incorrect value for the feature byte
+	the configuration table is at F000h:E6F5h in 100% compatible BIOSes
+	Dell machines contain the signature "DELL" or "Dell" at absolute FE076h
+	  and a model byte at absolute address FE845h
+	Tandy 1000 machines contain 21h in the byte at F000h:C000h
+	some AST machines contain the string "COPYRIGHT AST RESEARCH" one byte
+	  past the end of the configuration table
+Format of ROM configuration table:
+Offset	Size	Description
+h	WORD	number of bytes following
+h	BYTE	model (see below)
+h	BYTE	submodel (see below)
+h	BYTE	BIOS revision: 0 for first release, 1 for 2nd, etc.
+h	BYTE	feature byte 1:
+		bit 7 = DMA channel 3 used by hard disk BIOS
+		bit 6 = 2nd 8259 installed
+		bit 5 = Real-Time Clock installed
+		bit 4 = INT 15/AH=4Fh called upon INT 9h
+		bit 3 = wait for external event supported
+		bit 2 = extended BIOS area allocated (usually at top of RAM)
+		bit 1 = bus is Micro Channel instead of ISA
+		bit 0 reserved
+h	BYTE	feature byte 2:
+		bit 7 = ???
+		bit 6 = INT 16/AH=09h (keyboard functionality) supported
+		bits 5-0 = ???
+h	BYTE	feature byte 3:
+		reserved (0)
+h	BYTE	feature byte 4:
+		reserved (0)
+h	BYTE	feature byte 5:
+		reserved (0) (IBM)
+		??? (08h) (Phoenix 386 v1.10)
+---AWARD BIOS---
+Ah  N BYTEs	AWARD copyright notice
+---Phoenix BIOS---
+Ah	BYTE	??? (00h)
+Bh	BYTE	major version
+Ch	BYTE	minor version (BCD)
+Dh  4 BYTEs	ASCIZ string "PTL" (Phoenix Technologies Ltd)
+Values for model/submodel/revision:
+Model  Submdl  Rev	BIOS date	System
+ FFh	*	*	04/24/81	PC (original)
+ FFh	*	*	10/19/81	PC (some bugfixes)
+ FFh	*	*	10/27/82	PC (HD, 640K, EGA support)
+ FFh	46h	***	  ???		Olivetti M15
+ FEh	*	*	08/16/82	PC XT
+ FEh	*	*	11/08/82	PC XT and Portable
+ FEh	43h	***	  ???		Olivetti M240
+ FEh	A6h	???	  ???		??? (checked for by 386MAX v6.01)
+ FDh	*	*	06/01/83	PCjr
+ FCh	*	*	01/10/84	AT models 068,099 6 MHz 20MB
+ FCh	00h	01h	06/10/85	AT model  239	  6 MHz 30MB
+ FCh	00h	<> 01h	  ???		7531/2 Industrial AT
+ FCh	01h	00h	11/15/85	AT models 319,339 8 MHz, Enh Keyb, 3.5"
+ FCh	01h	00h	09/17/87	Tandy 3000
+ FCh	01h	00h	01/15&88	Toshiba T5200/100
+ FCh	01h	00h	12/26*89	Toshiba T1200/XE
+			(Those date characters are not typos)
+ FCh	01h	30h	  ???		Tandy 3000NL
+ FCh	01h	???	  ???		Compaq 286/386
+ FCh	02h	00h	04/21/86	PC XT-286
+ FCh	04h	00h	02/13/87     ** PS/2 Model 50 (10 MHz/1 ws 286)
+ FCh	04h	03h	04/18/88	PS/2 Model 50Z (10 MHz/0 ws 286)
+ FCh	05h	00h	02/13/87     ** PS/2 Model 60 (10 MHz 286)
+ FCh	06h	???	  ???		7552 "Gearbox"
+ FCh	08h	***	  ???		Epson, unknown model
+ FCh	09h	00h	  ???		PS/2 Model 25 (10 MHz 286)
+ FCh	09h	02h	06/28/89	PS/2 Model 30-286
+ FCh	0Bh	00h	02/16/90	PS/1 Model 2011 (10 MHz 286)
+ FCh	30h	***	  ???		Epson, unknown model
+ FCh	31h	***	  ???		Epson, unknown model
+ FCh	33h	***	  ???		Epson, unknown model
+ FCh	42h	***	  ???		Olivetti M280
+ FCh	45h	***	  ???		Olivetti M380 (XP 1, XP3, XP 5)
+ FCh	48h	***	  ???		Olivetti M290
+ FCh	4Fh	***	  ???		Olivetti M250
+ FCh	50h	***	  ???		Olivetti M380 (XP 7)
+ FCh	51h	***	  ???		Olivetti PCS286
+ FCh	52h	***	  ???		Olivetti M300
+ FCh	81h	00h	01/15/88	Phoenix 386 BIOS v1.10 10a
+ FBh	00h	01h	01/10/86	PC XT, Enh Keyb, 3.5" support
+ FBh	00h	02h	05/09/86	PC XT
+ FBh	4Ch	***	  ???		Olivetti M200
+ FAh	00h	00h	09/02/86	PS/2 Model 30 (8 MHz 8086)
+ FAh	00h	01h	12/12/86	PS/2 Model 30
+ FAh	01h	00h	  ???		PS/2 Model 25/25L (8 MHz 8086)
+ FAh	4Eh	***	  ???		Olivetti M111
+ F9h	00h	00h	09/13/85	PC Convertible
+ F8h	00h	00h	03/30/87     ** PS/2 Model 80 (16MHz 386)
+ F8h	01h	00h	10/07/87	PS/2 Model 80 (20MHz 386)
+ F8h	04h	02h	04/11/88	PS/2 Model 70 20MHz, type 2 system brd
+ F8h	04h	03h	03/17/89	PS/2 Model 70 20MHz, type 2 system brd
+ F8h	09h	00h	  ???		PS/2 Model 70 16MHz, type 1 system brd
+ F8h	09h	02h	04/11/88	PS/2 Model 70 some models
+ F8h	09h	03h	03/17/89	PS/2 Model 70 some models
+ F8h	0Bh	00h	01/18/89	PS/2 Model P70 (8573-121) typ 2 sys brd
+ F8h	0Bh	02h	12/16/89	PS/2 Model P70 ??
+ F8h	0Ch	00h	11/02/88	PS/2 Model 55SX (16 MHz 386SX)
+ F8h	0Dh	00h	  ???		PS/2 Model 70 25MHz, type 3 system brd
+ F8h	11h	00h	10/01/90	PS/2 Model 90 (25 MHz 486)
+ F8h	13h	00h	10/01/90	PS/2 Model 90 (33 MHz 486)
+ F8h	14h	00h	10/01/90	PS/2 Model 90-AK9 (25 MHz 486)
+ F8h	16h	00h	10/01/90	PS/2 Model 90-AKD (33 MHz 486)
+ F8h	19h	05h	  ???		PS/2 Model 35/35LS or 40 (20 MHz 386SX)
+ F8h	1Bh	00h	10/02/89	PS/2 Model 70-486 (25 MHz 486)
+ F8h	1Ch	00h	02/08/90	PS/2 Model 65-121 (16 MHz 386SX)
+ F8h	1Eh	00h	02/08/90	PS/2 Model 55LS (16 MHz 386SX)
+ F8h	23h	01h	  ???		PS/2 Model L40 (20 MHz 386SX)
+ F8h	25h	06h	  ???		PS/2 Model M57 (20 MHz 386SLC)
+ F8h	26h	01h	  ???		PS/2 Model 57 (20 MHz 386SX)
+ F8h	2Ah	00h	  ???		PS/2 Model 95 (50 MHz 486)
+ F8h	2Bh	00h	  ???		PS/2 Model 90 (50 MHz 486)
+ F8h	2Ch	01h	  ???		PS/2 Model 95 (20 MHz 486SX)
+ F8h	2Dh	00h	  ???		PS/2 Model 90 (20 MHz 486SX)
+ F8h	2Eh	01h	  ???		PS/2 Model 95 (20 MHz 486SX + 487SX)
+ F8h	2Fh	00h	  ???		PS/2 Model 90 (20 MHz 486SX + 487SX)
+ F8h	30h	00h	  ???		PS/1 Model 2121 (16 MHz 386SX)
+ F8h	50h	00h	  ???		PS/2 Model P70 (8573) (16 MHz 386)
+ F8h	50h	01h	12/16/89	PS/2 Model P70 (8570-031)
+ F8h	52h	00h	  ???		PS/2 Model P75 (33 MHz 486)
+ F8h	61h	***	  ???		Olivetti P500
+ F8h	62h	***	  ???		Olivetti P800
+ F8h	80h	00h	  ???		PS/2 Model 80 (25 MHz 386)
+ F8h	80h	01h	11/21/89	PS/2 Model 80-A21
+ F8h	???	???	  ???		PS/2 Model 90 (25 MHz 486SX)
+ F8h	???	???	  ???		PS/2 Model 95 (25 MHz 486SX)
+ F8h	???	???	  ???		PS/2 Model 90 (25 MHz 486SX + 487SX)
+ F8h	???	???	  ???		PS/2 Model 95 (25 MHz 486SX + 487SX)
+Ah	*	*	  ???		Compaq XT/Compaq Plus
+h	???	???	  ???		Sperry PC
+Dh	*	*	  ???		Compaq PC/Compaq Deskpro
+ ???	56h	???	  ???		Olivetti, unknown model
+ ???	74h	???	  ???		Olivetti, unknown model
+    * This BIOS call is not implemented in these early versions.
+      Read Model byte at F000h:FFFEh and BIOS date at F000h:FFF5h.
+   ** These BIOS versions require the DASDDRVR.SYS patches.
+  *** These Olivetti and Epson machines store the submodel in the byte at
+  	F000h:FFFDh.
+Values for Dell model byte:
+h	Dell 200
+h	Dell 300
+h	Dell 220
+h	Dell 310
+h	Dell 325
+h	Dell 310A
+Ah	Dell 316
+Bh	Dell 220E
+Ch	Dell 210
+Dh	Dell 316SX
+Eh	Dell 316LT
+Fh	Dell 320LX
+h	Dell 425E
+----------15C1-------------------------------
+INT 15 - SYSTEM - RETURN EXTENDED-BIOS DATA-AREA SEGMENT ADDRESS (PS)
+	AH = C1h
+Return: CF set on error
+	CF clear if successful
+	    ES = segment of data area
+SeeAlso: AH=04h"ABIOS"
+----------15C200BH00-------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - ENABLE/DISABLE
+	AX = C200h
+	BH = 00h disable
+h enable
+Return: CF set on error
+	AH = status
+h successful
+h invalid function
+h invalid input
+h interface error
+h need to resend
+h no device handler installed
+----------15C201-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - RESET
+	AX = C201h
+Return: CF set on error
+	    AH = status (see AX=C200h)
+	CF clear if successful
+	    BH = device ID
+SeeAlso: INT 33/AX=0000h
+----------15C202-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - SET SAMPLING RATE
+	AX = C202h
+	BH = sampling rate
+h 10/second
+h 20/second
+h 40/second
+h 60/second
+h 80/second
+h 100/second
+h 200/second
+Return: CF set on error
+	    AH = status (see AX=C200h)
+SeeAlso: INT 33/AX=001Ch
+----------15C203-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - SET RESOLUTION
+	AX = C203h
+	BH = resolution
+h one count per mm
+h two counts per mm
+h four counts per mm
+h eight counts per mm
+Return: CF set on error
+	    AH = status (see AX=C200h)
+----------15C204-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - GET TYPE
+	AX = C204h
+Return: CF set on error
+	    AH = status (see AX=C200h)
+	CF clear if successful
+	    BH = device ID
+----------15C205-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - INITIALIZE
+	AX = C205h
+	BH = data package size (1 - 8 bytes)
+Return: CF set on error
+	    AH = status (see AX=C200h)
+SeeAlso: AX=C201h
+----------15C206-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - GET/SET SCALING FACTOR
+	AX = C206h
+	BH = subfunction
+h return device status
+		Return: BL = status
+			   bit 0: right button pressed
+			   bit 1: reserved
+			   bit 2: left button pressed
+			   bit 3: reserved
+			   bit 4: 0 if 1:1 scaling, 1 if 2:1 scaling
+			   bit 5: device enabled
+			   bit 6: 0 if stream mode, 1 if remote mode
+			   bit 7: reserved
+			CL = resolution (see AX=C203h)
+			DL = sample rate, reports per second
+h set scaling at 1:1
+h set scaling at 2:1
+Return: CF set on error
+	    AH = status (see AX=C200h)
+----------15C207-----------------------------
+INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - SET DEVICE HANDLER ADDR
+	AX = C207h
+	ES:BX -> FAR user device handler
+Return: CF set on error
+	    AH = status (see AX=C200h)
+SeeAlso: INT 33/AX=000Ch
+----------15C3------------------------------
+INT 15 - SYSTEM - ENABLE/DISABLE WATCHDOG TIMEOUT (PS50+)
+	AH = C3h
+	AL = 00h disable
+h enable
+		BX = timer counter
+Return: CF set on error
+	CF clear if successful
+Note:	the watchdog timer generates an NMI
+----------15C4-------------------------------
+INT 15 - SYSTEM - PROGRAMMABLE OPTION SELECT (PS50+)
+	AH = C4h
+	AL = 00h return base POS register address
+h enable slot
+		 BL = slot number
+h enable adapter
+Return: CF set on error
+	DX = base POS register address (if function 00h)
+----------15C5-------------------------------
+INT 15 U - OS HOOK - ROM BIOS TRACING CALLOUT (PS30/286,PS50Z,PS95)
+	AH = C5h
+	AL = interrupt being invoked
+h INT 19
+h INT 14
+h INT 16
+h INT 40 (floppy INT 13)
+h INT 17
+h INT 10
+h INT 12
+h INT 11
+h INT 1A
+Return: all registers except AX must be preserved
+Notes:	called as the very first action of the indicated ROM BIOS interrupt
+	  handlers on the PS/2 Models 30/286, 50Z, and 95
+	default handler does nothing and returns CF clear for the above
+	  subfunctions, CF set and AH=86h for all other subfunctions
+	value of AX passed to the original interrupt handler is pushed on
+	  stack immediately prior to call
+----------15C6-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = C6h
+	???
+Return: ???
+----------15C7-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = C7h
+	???
+Return: ???
+----------15C8-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = C8h
+	???
+Return: ???
+----------15C9-------------------------------
+INT 15 U - newer PS/2; various BIOSes - GET CPU TYPE AND MASK REVISION
+        AH = C9h
+	AL = 10h (may be required on some non-PS BIOSes)
+Return: AH = 00h
+	CH = CPU type
+h 80386
+h 80486
+        CL = mask revision
+h 386SX
+Notes:	the BIOS must save DX at startup in order to be able to support this
+	  call; PS/2 Models 56, 57, 90, and 95 are known to support it
+	the PS/2 BIOS merely reads CMOS locations 190h (type) and 191h (rev)
+----------15CA-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CAh
+	???
+Return: ???
+----------15CB-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CBh
+	???
+Return: ???
+----------15CC-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CCh
+	???
+Return: ???
+----------15CD-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CDh
+	???
+Return: ???
+----------15CE-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CEh
+	???
+Return: ???
+----------15CF-------------------------------
+INT 15 U - PS/2 Model 95 - ???
+	AH = CFh
+	???
+Return: ???
+----------15D800-----------------------------
+INT 15 - EISA SYSTEM ROM - READ SLOT CONFIGURATION INFORMATION
+	AX = D800h
+	CL = slot number (including embedded and virtual)
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = error code
+h invalid slot number
+h EISA CMOS corrupt
+h empty slot
+h invalid BIOS-FW function call
+h invalid system configuration
+	AL bit flags
+	    bit 7: set if duplicate IDs
+: set if product ID readable
+,5: slot type (00=expansion, 01=embedded, 10=virtual device)
+-3: duplicate ID number if bit 7 set
+	BH = major revision level of configuration utility
+	BL = minor revision level of configuration utility
+	CX = checksum of configuration file
+	DH = number of device functions
+	DL = combined function information byte
+	SI:DI = 4-byte compressed ID (DI = bytes 0&1, SI = bytes 2&3)
+Note:	call with AL=80h if using 32-bit CS addressing mode instead of 16-bit
+SeeAlso: AX=D801h,AX=D804h
+----------15D801-----------------------------
+INT 15 - EISA SYSTEM ROM - READ FUNCTION CONFIGURATION INFORMATION
+	AX = D801h
+	CH = function number to read
+	CL = slot number (including embedded and virtual)
+	DS:SI -> 320-byte buffer for standard configuration data block
+Return: CF clear if successful
+	    AH = 00h
+	    DS:SI buffer filled
+	CF set on error
+	    AH = error code
+h invalid slot number
+h invalid function number
+h EISA CMOS corrupt
+h empty slot
+h invalid BIOS-FW function call
+h invalid system configuration
+	BX destroyed
+Note:	call with AL=81h if using 32-bit CS addressing mode instead of 16-bit
+----------15D802-----------------------------
+INT 15 - EISA SYSTEM ROM - CLEAR NONVOLATILE MEMORY (EISA CMOS)
+	AX = D802h
+	BH = EISA config utility major revision level
+	BL = EISA config utility minor revision level
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = error code
+h error clearing CMOS
+h invalid BIOS-FW function call
+h config utility version not supported
+Note:	call with AL=82h if using 32-bit CS addressing mode instead of 16-bit
+SeeAlso: AX=D803h
+----------15D803-----------------------------
+INT 15 - EISA SYSTEM ROM - WRITE NONVOLATILE MEMORY
+	AX = D803h
+	CX = length of data structure (0000h = empty slot)
+		includes two bytes for config file checksum
+	DS:SI -> configuration data
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = error code
+h error clearing CMOS
+h EISA CMOS is full
+h invalid BIOS-FW function call
+Note:	call with AL=83h if using 32-bit CS addressing mode instead of 16-bit
+SeeAlso: AX=D802h
+----------15D804-----------------------------
+INT 15 - EISA SYSTEM ROM - READ PHYSICAL SLOT
+	AX = D804h
+	CL = slot number (including embedded and virtual)
+Return: CF clear if successful
+	    AH = 00h
+	CF set on error
+	    AH = error code
+h invalid slot number
+h empty slot
+h invalid BIOS-FW function call
+	SI:DI = 4-byte compressed ID (DI = bytes 0&1, SI = bytes 2&3)
+Note:	call with AL=84h if using 32-bit CS addressing mode instead of 16-bit
+SeeAlso: AX=D800h
+----------15D8-------------------------------
+INT 15 - EISA SYSTEM ROM - 32-bit CS ADDRESSING MODE CALLS
+	AH = D8h
+	AL = 80h to 84h
+	other registers as appropriate for AL=00h to 04h
+Return: as appropriate for AL=00h to 04h
+Note:	these functions are identical to AX=D800h to D804h, except that they
+	  should be called when using 32-bit CS addressing mode (pointers use
+	  ESI rather than SI as offset) instead of 16-bit addressing mode
+SeeAlso: AX=D800h,AX=D801h,AX=D802h,AX=D803h,AX=D804h
+----------15DE00-----------------------------
+INT 15 - DESQview - GET PROGRAM NAME
+	AX = DE00h
+Return: AX = offset into DESQVIEW.DVO of program most recently selected from
+		the "Switch Windows" menu (see below)
+Note:	always returns AX=0000h under DESQview/X
+SeeAlso: AX=DE07h
+Format of program entry in DESQVIEW.DVO:
+Offset	Size	Description
+h	BYTE	length of name (FFh if end of file)
+h  N BYTEs	name
+BYTEs	keys to invoke program (second = 00h if only one key used)
+	BYTE	program type
+h normal program
+h divider
+h Delete a Program
+h Change a Program
+	WORD	??? apparently always 0000h
+----------15DE01-----------------------------
+INT 15 - DESQview - UPDATE "OPEN WINDOW" MENU
+	AX = DE01h
+Return: nothing
+Notes:	reads DESQVIEW.DVO, disables Open menu if file not in current directory
+	NOP for DESQview/X
+----------15DE02-----------------------------
+INT 15 - DESQview 1.x only - SET ??? FLAG FOR CURRENT WINDOW
+	AX = DE02h
+Return: nothing
+Note:	this call is a NOP in DV 2.x
+SeeAlso: AX=DE03h
+----------15DE03-----------------------------
+INT 15 - DESQview 1.x only - GET ??? FOR CURRENT WINDOW
+	AX = DE03h
+Return: AX = ??? for current window
+	BX = ??? for current window
+Note:	this call is a NOP in DV 2.x
+SeeAlso: AX=DE02h
+----------15DE04-----------------------------
+INT 15 - DESQview - GET AVAILABLE COMMON MEMORY
+	AX = DE04h
+Return: BX = bytes of common memory available
+	CX = largest block available
+	DX = total common memory in bytes
+SeeAlso: AX=DE05h,AX=DE06h
+----------15DE05-----------------------------
+INT 15 - DESQview - GET AVAILABLE CONVENTIONAL MEMORY
+	AX = DE05h
+Return: BX = K of memory available
+	CX = largest block available
+	DX = total conventional memory in K
+SeeAlso: AX=DE04h,AX=DE06h
+----------15DE06-----------------------------
+INT 15 - DESQview - GET AVAILABLE EXPANDED MEMORY
+	AX = DE06h
+Return: BX = K of expanded memory available
+	CX = largest block available
+	DX = total expanded memory in K
+SeeAlso: AX=DE04h,AX=DE05h
+----------15DE07-----------------------------
+INT 15 - DESQview - "APPNUM" - GET CURRENT PROGRAM'S NUMBER
+	AX = DE07h
+Return: AX = number of program as it appears on the "Switch Windows" menu
+Note:	this API call may be made from a hardware interrupt handler
+SeeAlso: AX=DE00h
+----------15DE08-----------------------------
+INT 15 - DESQview - GET ???
+	AX = DE08h
+Return: AX = 0000h if ??? is not set to the current task
+h if ??? is set to the current task
+----------15DE09-----------------------------
+INT 15 - DESQview - UNIMPLEMENTED
+	AX = DE09h
+Return: nothing (NOP in DV 1.x and 2.x)
+----------15DE0A-----------------------------
+INT 15 - DESQview v2.00+ - "DBGPOKE" - DISPLAY CHARACTER ON STATUS LINE
+	AX = DE0Ah
+	BL = character
+Return: character displayed, next call will display in next position (which
+	wraps back to the start of the line if off the right edge of screen)
+Notes:	displays character on bottom line of *physical* screen, regardless
+	  of current size of window (even entirely hidden)
+	does not know about graphics display modes, just pokes the characters
+	  into display memory
+	this API call may be made from a hardware interrupt handler
+SeeAlso: AX=1003h
+----------15DE0B-----------------------------
+INT 15 - DESQview v2.00+ - "APILEVEL" - DEFINE MINIMUM API LEVEL REQUIRED
+	AX = DE0Bh
+	BL = API level minor version number
+	BH = API level major version number
+Return: AX = maximum API level (AH = major, AL = minor)
+Notes:	if the requested API level is greater than the version of DESQview, a
+	  "You need a newer version" error window is popped up
+	the API level defaults to 1.00, and is inherited by child tasks
+----------15DE0C-----------------------------
+INT 15 - DESQview v2.00+ - "GETMEM" - ALLOCATE "SYSTEM" MEMORY
+	AX = DE0Ch
+	BX = number of bytes
+Return: ES:DI -> allocated block or 0000h:0000h (DV 2.26+)
+Note:	use SETERROR (AX=DE15h) to avoid a user prompt if there is insufficient
+	  system memory
+SeeAlso: AX=1001h,AX=DE0Dh,AX=DE15h
+----------15DE0D-----------------------------
+INT 15 - DESQview v2.00+ - "PUTMEM" - DEALLOCATE "SYSTEM" MEMORY
+	AX = DE0Dh
+	ES:DI -> previously allocated block
+Return: nothing
+SeeAlso: AX=1002h,AX=DE0Ch
+----------15DE0E-----------------------------
+INT 15 - DESQview v2.00+ - "FINDMAIL" - FIND MAILBOX BY NAME
+	AX = DE0Eh
+	ES:DI -> name to find
+	CX = length of name
+Return: BX = 0000h not found
+h found
+		DS:SI = object handle
+SeeAlso: AH=12h/BH=11h
+Special mailbox names:
+ "COM1" ... "COM4"	RBcomm using COM1 ... COM4
+ "DESQview/X Help Engine"
+ "DESQview/X Network Server"
+ "DESQview X Server0"
+ "INBOX"		DESQview/X LPD requests
+ "OUTBOX"		DESQview/X LPD responses
+ "WAITBOX"		semaphore to synchronize DESQview/X LPD communications
+----------15DE0F-----------------------------
+INT 15 - DESQview v2.00+ - ENABLE DESQview EXTENSIONS
+	AX = DE0Fh
+Return: AX and BX destroyed (seems to be bug, weren't saved&restored)
+Notes:	sends a manager stream with opcodes AEh, BDh, and BFh to task's window
+	enables an additional mouse mode
+----------15DE10-----------------------------
+INT 15 - DESQview v2.00+ - "PUSHKEY" - PUT KEY INTO KEYBOARD INPUT STREAM
+	AX = DE10h
+	BH = scan code
+	BL = character
+Return: nothing
+Notes:	a later read will get the keystroke as if it had been typed by the user
+	multiple pushes are read last-in first-out
+	if a script exists for the pushed key in the current application, the
+	  script will be executed
+	early copies of DV 2.00 destroy AX, BX, ES, and DI
+SeeAlso: INT 16/AH=05h
+----------15DE11BL00-------------------------
+INT 15 - DESQview 2.00+ - "JUSTIFY" - EN/DISABLE AUTOMATIC WINDOW JUSTIFICATION
+	AX = DE11h
+	BL = 00h      viewport will not move automatically
+	     nonzero  viewport will move to keep cursor visible (default)
+Return: nothing
+----------15DE12BX0000-----------------------
+INT 15 - DESQview v2.01+ - "CSTYLE" - SET "C"-COMPATIBLE CONTROL CHAR INTERPRET
+	AX = DE12h
+	BX = 0000h    select normal style (linefeed only moves down)
+	     nonzero  select C style (linefeed moves to start of next line)
+Return: nothing
+Note:	set on a per-task basis, and inherited from the parent task
+----------15DE13-----------------------------
+INT 15 - DESQview v2.20+ - "GETCRIT" - GET CRITICAL NESTING COUNT
+	AX = DE13h
+Return: BX = number of calls to BEGINC or ENTERC (see INT 15/AX=101Bh,DE1Ch)
+	     without matching ENDC (see INT 15/AX=101Ch)
+Note:	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=101Bh,AX=101Ch,AX=DE1Bh,AX=DE1Ch
+----------15DE14-----------------------------
+INT 15 - DESQview v2.20+ - GET OBJECT TYPE
+	AX = DE14h
+	ES:DI -> object
+Return: BL = 00h not an object
+h window or task
+h mailbox
+Ah keyboard
+Bh timer
+Ch objectq
+Fh pointer
+h panel
+SeeAlso: AX=1016h
+----------15DE15BL00-------------------------
+INT 15 - DESQview v2.20+ - SET ERROR HANDLING
+	AX = DE15h
+	BL = 00h post system error on all error conditions
+h return carry flag set on calls to ADDTO, SUBFROM, and WRITE
+		 messages sent to mailboxes which fail due to lack of system
+		 or common memory
+h (v2.26+) same as 01h, but return null pointer for GETMEM
+		 calls which fail due to lack of system memory
+Return: nothing
+SeeAlso: AX=DE16h
+----------15DE16-----------------------------
+INT 15 - DESQview v2.20+ - GET ERROR HANDLING
+	AX = DE16h
+Return: BL = 00h always post system error
+h return carry flag set on failed mailbox writes
+h return CF set on failed mailbox writes and NULL on failed
+		 GETMEM calls
+SeeAlso: AX=DE15h
+----------15DE17-----------------------------
+INT 15 - DESQview v2.20-2.25 - reserved
+	AX = DE17h
+Return: pops up "Programming error" window
+Note:	AX = 1117h is NOT identical to this call under DESQview 2.20 thru 2.25
+SeeAlso: AX=1117h
+----------15DE17BX0000-----------------------
+INT 15 - DESQview v2.26+ - "ASSERTMAP" - GET/SET MAPPING CONTEXT
+	AX = DE17h
+	BX = 0000h	get current mapping context without setting
+	     nonzero	set new mapping context
+Return: BX = mapping context in effect before call
+Notes:	mapping contexts determine conventional-memory addressability; setting
+	  a mapping context ensures that the associated program and data areas
+	  are in memory for access.  Usable by drivers, TSRs and shared
+	  programs.
+	caller need not be running under DESQview
+	this API call may be made from a hardware interrupt handler
+SeeAlso: AX=1117h,INT 2F/AX=1685h
+----------15DE18-----------------------------
+INT 15 - DESQview v2.20+ - internal - ???
+	AX = DE18h
+	BP = function number
+	    high byte must be 10h
+	    low byte is function
+h set ???
+		    BL = ???  (00h-10h, video mode???)
+		    BH = value to store
+h set ???
+		    BL = ??? (stored in driver)
+Ah get ???
+		    ES:DI -> 18-byte buffer to hold ???
+Note:	calls video driver (NOP for Hercules driver,probably CGA and MCGA also)
+----------15DE19-----------------------------
+INT 15 - DESQview v2.23+ - "GETCOMMON" - ALLOCATE "COMMON" MEMORY
+	AX = DE19h
+	BX = number of bytes to allocate
+Return: AX = 0000h successful
+		ES:DI -> allocated block
+	     nonzero insufficient memory
+Note:	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=DE0Ch,AX=DE15h,AX=DE1Ah
+----------15DE1A-----------------------------
+INT 15 - DESQview v2.23+ - "PUTCOMMON" - DEALLOCATE "COMMON" MEMORY
+	AX = DE1Ah
+	DS:SI -> previously allocated block
+Note:	this function may be called from within a hardware interrupt handler
+SeeAlso: AX=DE0Dh,AX=DE19h
+----------15DE1B-----------------------------
+INT 15 - DESQview v2.23+ internal - DECREMENT CRITICAL NESTING COUNT
+	AX = DE1Bh
+Return: nothing
+SeeAlso: AX=101Ch,AX=DE13h,AX=DE1Ch
+----------15DE1C-----------------------------
+INT 15 - DESQview v2.23+ - "ENTERC" - INCREMENT CRITICAL NESTING COUNT
+	AX = DE1Ch
+Return: nothing
+Notes:	similar to AX=101Bh, but begins the critical region without ensuring
+	  that DOS is free
+	the official documentation states that this call should be paired with
+	  "ENDC" (AX=101Ch); no mention is made of AX=DE1Bh
+	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=101Bh,AX=101Ch,AX=DE13h,AX=DE1Bh
+----------15DE1D-----------------------------
+INT 15 - DESQview v2.23+ - "PUTKEY" - FAKE USER KEYSTROKES
+	AX = DE1Dh
+	DX = segment of handle for task to receive keystroke
+	BL = character
+	BH = scan code
+Return: AX = 0000h if successful
+	   nonzero if receiver's keyboard buffer was full
+Notes:	the key is treated as though the user had pressed it, ignoring any
+	  script which may be bound to the key, and using the current field
+	  table if the keyboard object is in field processing mode
+	multiple PUTKEYs are seen in the order in which they are executed
+SeeAlso: AX=DE10h
+----------15DE1E-----------------------------
+INT 15 - DESQview v2.23+ - "SCRNINFO" - GET TRUE VIDEO PARAMETERS
+	AX = DE1Eh
+Return:	CL = actual number of rows on screen
+	CH = actual number of columns on screen
+	BL = actual video mode (may differ from INT 10/AH=0Fh return) (v2.26+)
+Note:	this API call may be made from a hardware interrupt handler
+SeeAlso: INT 10/AH=0Fh
+----------15DE1F-----------------------------
+INT 15 - DESQview v2.23+ - "DOSUSER" - GET HANDLE OF TASK CURRENTLY USING DOS
+	AX = DE1Fh
+Return: BX = segment of task handle or 0000h if no tasks are using DOS
+Note:	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=DE13h
+----------15DE20-----------------------------
+INT 15 - DESQview v2.26+ - "DISPATCHINT" - INTERRUPT ANOTHER TASK
+	AX = DE20h
+	BX = segment of handle of task to interupt
+	DX:CX -> FAR interrupt routine
+Return: nothing
+Notes:	unlike "PGMINT" (AX=1021h), DISPATCHINT may be applied to the task
+	  making the DISPATCHINT call
+	multiple "DISPATCHINT" calls are processed in the order in which they
+	  were executed
+	the FAR routine is entered with the current ES, DS, SI, DI, and BP
+	  values, using the task's internal stack (see AX=101Ah); only SS:SP
+	  needs to be preserved
+	this API call may be made from within a hardware interrupt handler
+SeeAlso: AX=1021h
+----------15DE21BX0000-----------------------
+INT 15 - DESQview v2.26+ - "ASSERTVIR" - CONTROL 386 SCREEN VIRTUALIZATION
+	AX = DE21h
+	BX = 0000h turn off
+	     nonzero turn on
+Return: BX = old state of virtualization
+Note:	this API call may be made from within a hardware interrupt handler
+----------15DE22-----------------------------
+INT 15 - DESQview v2.26+ - "PROCESSMEM" - GET TASK MEMORY STATUS
+	AX = DE22h
+	DX = segment of task handle
+Return: DX = total amount of memory in paragraphs
+	BX = amount of system memory in paragraphs
+	CX = largest block of system memory available in paragraphs
+	AX = flags
+	    bit 0: system memory resides in shared memory
+: process's memory is swapped out
+: process's system memory is swapped out
+Notes:	if the task handle is a child task, the returned values will be for the
+	  process containing the task, rather than the task itself
+	if the process's system memory is swapped out, BX,CX,DX remain
+	  unchanged, because the memory usage cannot be determined
+SeeAlso: AX=DE04h,AX=DE05h,AX=DE06h
+----------15DE23-----------------------------
+INT 15 - DESQview v2.31+ - ???
+	AX = DE23h
+	BX = ??? IRQ number on first PIC?
+	CX = ??? IRQ number on second PIC?
+Return: ???
+Note:	called by QEMM 6.00+
+----------15DE24-----------------------------
+INT 15 - DESQview v2.40+ - ???
+	AX = DE24h
+Return: BX = ??? (0000h for v2.40)
+----------15DE25-----------------------------
+INT 15 - DESQview v2.40+ - ???
+	AX = DE25h
+	???
+Return: nothing
+----------15DE26-----------------------------
+INT 15 - DESQview v2.40+ - GET ???
+	AX = DE26h
+Return: BX = segment of handle for X server???
+----------15DE27-----------------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE27h
+	BX = ??? (0000h,0001h)
+	ES:DI -> ???
+Return: CF clear if successful
+	    AX = ???
+	    BX = ???
+	CF set on error
+	    AX = ???
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE28-----------------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE28h
+	BX = segment of ??? or 0000h for default
+	???
+Return: ???
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=DE2Ah
+----------15DE29BX0000-----------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE29h
+	BX = 0000h
+	???
+Return: CF clear if successful
+	    ???
+	CF set on error
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE29BX0001-----------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE29h
+	BX = 0001h
+	DX = segment of window handle
+Return: CF clear if successful
+	    AX = ???
+	    DX = ???
+	CF set on error
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE29BX0002-----------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE29h
+	BX = 0002h
+	DX = segment of window handle
+Return: CF clear if successful
+	    AX = ???
+	    DX = ???
+	CF set on error
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE29BX0003-----------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE29h
+	BX = 0003h
+	DX = segment of window handle
+Return: CF clear if successful
+	    ???
+	CF set on error
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE29BX0004-----------------------
+INT 15 - DESQview v2.50+ - GET DISPLAY NAME
+	AX = DE29h
+	BX = 0004h
+	CX = size of buffer in bytes
+	DX = segment of window handle
+	ES:DI -> buffer for display name
+Return: CF clear if successful
+	    buffer filled with ASCIZ display name (truncated if necessary) or
+	      null string if no display
+	CF set on error
+Notes:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+	the name ":0" refers to the local display
+----------15DE29BX0005-----------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE29h
+	BX = 0005h
+	???
+Return: CF clear if successful
+	    ???
+	CF set on error
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE2A-----------------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE2Ah
+	BX = segment of ??? or 0000h for default
+	???
+Return: ???
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=DE28h,AX=DE2Bh
+----------15DE2B-----------------------------
+INT 15 - DESQview v2.50+ - TRAVERSE OBJECT LIST
+	AX = DE2Bh
+	ES:DI -> object
+Return: AX = status
+h successful
+	        ES:DI -> next object of same type in circular linked list
+h failed (ES:DI was not a valid handle)
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=1016h,AX=DE2Ah,AX=DE2Ch
+----------15DE2C-----------------------------
+INT 15 - DESQview v2.50+ - GET WINDOW INFORMATION???
+	AX = DE2Ch
+	DX = 0100h
+	BX = segment of window handle or 0000h for default
+	ES:DI -> buffer for info (see below)
+Return: AX = status???
+h successful
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=DE2Bh
+Format of window information:
+Offset	Size	Description
+h	BYTE	task flag: 00h window, 01h task
+h	BYTE	process number if task
+h	WORD	segment of owner's handle
+h	WORD	mapping context???
+h	BYTE	status
+h waiting
+h idle
+h pausing
+Ah slicing
+Bh exit DOS
+h	BYTE	???
+h	BYTE	01h if DESQview task???
+h  2 BYTEs	???
+----------15DE2D-----------------------------
+INT 15 - DESQview v2.50+ - GET/SET ??? FUNCTION
+	AX = DE2Dh
+	CX = direction
+	    FFFFh set ??? function
+	        DX:BX -> FAR function for ???
+			must contain data storage for a WORD three bytes past
+			the function entry point and a DWORD five bytes past
+			the start
+	    other get ??? function
+Return: DX:BX -> function if CX<>FFFFh on entry
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=DE2Eh,INT 63"DESQview"
+----------15DE2E-----------------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE2Eh
+	DX:BX = ??? or 0000h:0000h for default
+Return: CX = ???
+	DX:BX = ???
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: AX=DE2Dh
+---------------------------------------------
+INT 15 - DESQview v2.50+ - ???
+	AX = DE2Fh
+Return: BL = ??? (00h,01h)
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+----------15DE30-----------------------------
+INT 15 - DESQview v2.50+ - GET DESQview/X VERSION
+	AX = DE30h
+Return: BX = version (BH=major, BL=minor) or 0000h if not DESQview/X
+Note:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
+SeeAlso: INT 21/AH=2Bh/CX=4445h
+----------15E00F-----------------------------
+INT 15 - Compaq Systempro - MULTIPROCESSOR DISPATCH
+	AX = E00Fh
+	ES:BX -> start of 2nd processor's execution
+Return: AL = 0Fh successful
+	   = 00h failure
+SeeAlso: AX=E10Eh,AX=E200h
+----------15E10E-----------------------------
+INT 15 - Compaq Systempro - MULTIPROCESSOR END-OF-DISPATCH
+	AX = E10Eh
+	ES:BX -> start of 2nd processor's execution
+Return: AL = 0Fh successful (halted)
+	   = 00h failure (not halted)
+SeeAlso: AX=E00Fh,AX=E200h
+----------15E200-----------------------------
+INT 15 - Compaq Systempro - MULTIPROCESSOR AVAILABLE
+	AX = E200h
+Return: AX = 8000h if 2nd processor available
+SeeAlso: AX=E00Fh,AX=E10Eh
+----------15E4-------------------------------
+INT 15 - ???
+	AH = E4h
+	AL = subfunction
+h, 89h, 8Ah, 8Bh called by 386MAX v6.01
+	DL = ???
+Return: ???
+----------15F200CX454D-----------------------
+INT 15 - Tandon memory mapper - Tandon MAPPER HARDWARE INITIALISATION CHECK ???
+	AX = F200h
+	CX = 454Dh
+Return: CF clear if hardware already initialised
+	    BX = upper RAM areas in use
+		bit 0: C000-C3FF
+		bit 1: C400-C7FF
+		...
+		bit 11: EC00-EFFF
+	CF set if hardware not initialised yet

Nox-Rhea WiKi

Outils pour utilisateurs

Outils du site

Différences

Outils de la page