Interrupt 2Fh Function 0106h Get Printer Device

mov ax, 0106h ;Get Printer Device

int 2Fh ;Multiplex Interrupt

jnc queue_empty ;carry clear means print queue is empty

mov [DevHeader], si

mov [DevHeader+2], ds ;ds:si points to print device header

Get Printer Device (Interrupt 2Fh Function 0106h) returns the address of the device header for the current printer.

Parameters

This function has no parameters.

Return Value

If the queue is empty, the carry flag is clear and the AX register contains zero. Otherwise, the carry flag is set, the DS:SI registers point to a DEVICEHEADER structure corresponding to the printer device header, and AX contains 0008h (ERROR_QUEUE_FULL).