Int 33 Fn 0029 - Ms Mouse V7.0+ - Enumerate Video Modes [M]
AX = 0029h
CX = previous video mode
0000h get first supported video mode
other get next supported mode after mode CX
Return: CX = first/next video mode (0000h = no more video modes)
DS:DX -> description of video mode or 0000h:0000h if none
Notes: the enumerated video modes may be in any order and may repeat
the description string (if available) is terminated by '$' followed by
a NUL byte
See Also: AX=0028h