Category: video
INT 10 - VIDEO - ALTERNATE FUNC SELECT (ATI,Tatung,Taxan) - ENHANCED FEATURES AH = 12h BH = 55h BL = subfunction 00h disable enhanced features 01h enable enhanced features 02h get status Return: AL = status flags (see #00027) 03h disable register trapping (CGA emulation) 04h enable register trapping 05h program video mode ES:BP -> video mode table (see #00028) 06h get mode table AL = video mode Return: ES:BP -> table suitable for mode AL (and subfunc BL=05h) (see #00028) BP = FFFFh on error SI = 0000h (ATI Mach32) Note: the ATI Mouse driver (MOUSE.COM/MOUSE.SYS) uses subfunction 06h to get the mode table for mode 03h, and then looks for a signature string beginning within 32 bytes of the offset specified by the word at ES:000Ch SeeAlso: AH=FFh"Oak" Index: installation check;ATI video adapters