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back2root:ibm-pc-ms-dos:interrupts:int_10:int_10_14

INT 0x10 - 0x14 - Load LCD Character Font (convertible only)

Request/Call:

reg value descr
AH 0x14
AL var sub command (see below)

Sub commands

AL = 0 - load user specified font

reg descr
ES:DI pointer to character font
CX number of characters to store
DX char offset into ram font area
BH number of bytes per character
BL * 0 : load main font (block 0)
* 1 : load alternate font (block 1)

AL = 1 - load system ROM default font

reg descr
BL * 0 : load main font (block 0)
* 1 : load alternate font (block 1)

AL = 2 - set mapping of LCD high intensity attribute

reg descr
BL * 0 : ignore high intensity attribute
* 1 : map high intensity to underscore
* 2 : map high intensity to reverse video
* 3 : map high intensity to select alternate font

Return:

nothing

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back2root/ibm-pc-ms-dos/interrupts/int_10/int_10_14.txt · Dernière modification : de frater