INT 15 - DESQview v2.00+ - "PUSHKEY" - PUT KEY INTO KEYBOARD INPUT STREAM
AX = DE10h
BH = scan code
BL = character
Return: nothing
Notes:  a later read will get the keystroke as if it had been typed by the user
multiple pushes are read last-in first-out
if a script exists for the pushed key in the current application, the
script will be executed
early copies of DV 2.00 destroy AX, BX, ES, and DI

See also: 1605

15DE10 - DESQview v2.00+ - "PUSHKEY" - PUT KEY INTO KEYBOARD INPUT STREAM