INT 10 - VIDEO - Paradise VGA, AT&T VDC600 - EXTENDED FUNCTIONS
AX = 007Fh
BH = function
00h  set VGA operation
01h  set non-VGA operation
color modes (0,1,2,3,4,5,6) will set non-VGA CGA operation
monochrome mode 7 will set non-VGA MDA/Hercules operation
02h  query mode status
Return: BL = 00h if operating in VGA mode, 01h if non-VGA mode
CH = total video RAM size in 64k byte units
CL = video RAM used by the current mode
03h  lock current mode
allows current mode (VGA or non-VGA) to survive re-boot
04h  enter CGA mode (AT&T VDC600 only)
05h  enter MDA mode (AT&T VDC600 only)
0Ah,0Bh,0Ch,0Dh,0Eh,0Fh  WRITE PARADISE REGISTERS 0,1,2,3,4,5
(port 03CEh indices 0Ah,0Bh,0Ch,0Dh,0Eh,0Fh)
BL = value to set in the paradise register
1Ah,1Bh,1Ch,1Dh,1Eh,1Fh READ PARADISE REGISTERS 0,1,2,3,4,5
(port 03CEh indices 0Ah,0Bh,0Ch,0Dh,0Eh,0Fh)
Return: BL = value of the paradise register
BH = 7Fh if successful
Return: AL = 7Fh if successful (AT&T VDC600)

See also: 10007E

10007F - VIDEO - Paradise VGA, AT&T VDC600 - EXTENDED FUNCTIONS