INT 10 - Microsoft Mouse driver EGA support - READ ONE REGISTER        

Input

Output

AX

F0h       AX

BX

  Register Number   Data BX

CX

        CX

DX

 Group Index     DX
ES:DI     ES:DI
Pointer/data chips:

        00h = CRT Controller (25 reg) 3B4h mono modes, 3D4h color modes
        08h = Sequencer (5 registers) 3C4h
        10h = Graphics Controller (9 registers) 3CEh
        18h = Attribute Controller (20 registers) 3C0h

Single registers:

        20h = Miscellaneous Output register 3C2h
        28h = Feature Control register (3BAh mono modes, 3DAh color modes)
        30h = Graphics 1 Position register 3CCh
        38h = Graphics 2 Position register 3CAh


Copyright © 1985 to 2022 Beta Systems                            Last modified: Wednesday, January 05, 2022 .