.define .adi ! $Header$ ! #bytes in cx , top of stack in ax .adi: pop bx ! return address cmp cx,2 jne 1f pop cx add ax,cx jmp bx 1: cmp cx,4 jne 9f pop dx pop cx add ax,cx pop cx adc dx,cx push dx jmp bx 9: mov ax,EODDZ push ax jmp .trp