AL = 04 AH = 01 resident portion of PRINT 02 resident portion of ASSIGN 10 resident portion of SHARE B7 resident portion of APPEND C0-FF reserved for user applications on return: DX = error count DS:SI = pointer to queue of files - each file in the queue is represented by 64 byte filename - the file currently being printed is the first entry in the queue - the last entry in the queue is a null string