Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
INT 10 - Chips & Technologies Extended BIOS - SET PREPROGRAMMED EMULATION
AX = 5F01h
BL = emulation type (see #00179)
Return: AL = 5Fh if function supported
AH = status
00h unsuccessful
01h successful
SeeAlso: AX=5F00h,AX=5F02h,AH=FFh"Oak"
(Table 00179)
Values for Chips&Technologies emulation type:
00h,01h reserved
02h CGA
03h MDA
04h Hercules
05h EGA
06h VGA (disable emulation)
--------V-105F01-----------------------------
INT 10 - VIDEO - Realtek RTVGA - WRITE RTVGA BIOS STRING TO DESTINATION
AX = 5F01h
ES:DI -> zero-filled buffer for BIOS ID string
Return: AH = 00h if successful
ES:DI -> ASCII signature "REALTEK VGA BIOS Version 3C.10"
BUG: in v3.C10, AX=5F01h on return due to improper stack restoration code
SeeAlso: AX=5F00h"RTVGA",AX=5F02h"RTVGA"
--------V-105F02-----------------------------
INT 10 - Chips & Technologies Extended BIOS - AUTO EMULATION CONTROL
AX = 5F02h
BL = new state of autmatic emulation (00h enabled, 01h disabled)
Return: AL = 5Fh if function supported
AH = status
00h unsuccessful
01h successful
SeeAlso: AX=5F01h,AX=5F03h
--------V-105F02-----------------------------
INT 10 - Chips & Technologies '64300' BIOS - SET CLOCK
AX = 5F02h
BH = what to set
02h dot clock
BL = speed in MHz (12-99)
03h memory clock
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