Interrupt 2Fh Function 0B700h Get APPEND.EXE Installed State

mov ax, 0B700h ;Get APPEND.EXE Installed State

int 2Fh ;Multiplex Interrupt

cmp al, 0FFh ;0FFh means installed

je installed

Get APPEND.EXE Installed State (Interrupt 2Fh Function 0B700h) determines whether the resident portion of the Append program has been loaded.

Parameters

This function has no parameters.

Return Value

The AL register contains 0FFh if the Append program has been loaded or 00h if it has not.