INT 21 - DOS - DIRECT CONSOLE I/O CHARACTER OUTPUT              

Input

DOS1 Y DOS2 Y

DOS3

Y DOS5 Y

Output

AX

06h       AX

BX

        BX

CX

        CX

DX

  Character     DX

ES:DI

    CF
Note:   Character may not equal 0FFh

See Also 01h 02h 07h 08h 09h 0Ah 0Bh 0Ch Key Codes


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