74.asm

汇编语言课后习题答案

;7_4.asm

move    macro  from,to,eot
        local next1,next2
        push  si
        push  di
        push  cx
        lea   si,from
        mov   cx,1
next1:  cmp   [si],'eot'
        jz    next2
        inc   si
        inc   cx
        jmp   short next1
next2:  lea   si,from
        lea   di,to
        rep   movsb
        pop   cx
        pop   di
        pop   si
        endm