BIOS / Int / Int 15 / DE/10


   INT 15 - DESQview 2.0 -  "PUSHKEY"  - PUT KEY INTO KEYBOARD INPUT STREAM

Input			Output
AX	DEh	10h		AX
BX	Scan Code	Character	Sometimes (not always) same	BX
CX				CX
DX				DX
ES:DI				ES:DI

Note:   A later read will  get  the keystroke as if it had been
        typed by the user