INT 10 - VIDEO - TANDY 2000 only - GET ADDRESS OF VIDEO RAM
AH = 70h
Return: AX:BX -> WORD containing green plane's offset
AX:CX -> WORD containing green plane's segment
AX:DX -> WORD containing segment of red (offset 0) and blue (offset
4000) planes

See also: 1071

1070 - VIDEO - TANDY 2000 only - GET ADDRESS OF VIDEO RAM