.sect .text; .sect .rom; .sect .data; .sect .bss .define .ciu .define .cui .define .cuu .sect .text .ciu: .cui: .cuu: pop bx ! return address ! pop cx, dest. size ! pop dx, source size ! ax is low word of source cmp dx,cx je 8f cmp dx,2 je 1f cmp dx,4 jne 9f cmp cx,2 jne 9f pop dx 8: jmp bx 1: cmp cx,4 jne 9f xor dx,dx push dx jmp bx 9: push ax ! to help debugging ? .extern EILLINS .extern .fat mov ax,EILLINS push ax jmp .fat jmp bx