Outils pour utilisateurs
back2root:ibm-pc-ms-dos:interrupts:int_10:int_10_09
Table des matières
INT 0x10 - 0x09 - Write Character and attribute at cursor position
Request/Call:
| reg | value | descr |
|---|---|---|
| AH | 0x09 | |
| AL | var | Character to display |
| BH | var | page number (00h to number of pages -1) see INT 10h, 00h |
| BL | var | attribute (see bellow) |
| CX | var | number of times to write character |
Attribute:
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|
| blink | Background color | Foreground color | |||||
if bit 7 set in graphics mode, character is xor'ed onto screen
Colors
| Background Color | Foreground Color | ||||
|---|---|---|---|---|---|
| 000 | black | 0000 | black | 1000 | dark grey |
| 001 | blue | 0001 | blue | 1001 | light blue |
| 010 | green | 0010 | green | 1010 | light green |
| 011 | cyan | 0011 | cyan | 1011 | light cyan |
| 100 | red | 0100 | red | 1100 | light red |
| 101 | magenta | 0101 | magenta | 1101 | light magenta |
| 110 | brown | 0110 | brown | 1110 | yellow |
| 111 | white | 0111 | light grey | 1111 | white |
Return
nothing
Notes & Comments
- all characters are displayed, including CR, LF, and BS
- replication count in CX may produce an unpredictable result in graphics modes if it is greater than the number of positions remaining in the current row
back2root/ibm-pc-ms-dos/interrupts/int_10/int_10_09.txt · Dernière modification : 2024/01/19 22:04 de frater
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