汇编语言试题

data segment

a db 13,10,'please input first number:','$'

b db 13,10,'please input second number:','$'

c1 db 13,10,'its yuanma shows:','$'

x db ?

y db ?

data ends

code segment

assume cs:code,ds:data

start:mov ax,data

mov ds,ax

mov ah,09h

mov dx,offset a

int 21h

mov ah,01h

int 21h

sub al,30h

mov X,al

mov ah,09h

mov dx,offset b

int 21h

mov ah,01h

int 21h

sub al,30h

mov y,al

lea dx,c1

mov ah,09h

int 21h

mov dl,y

mov bl,x

cmp bl,dl

mov al,y ;暂设y 大

jb l1

mov al,x

l1:

MOV BL,AL

;以下输出bl

MOV AX,8

KK2:

PUSH AX

MOV CX,1

MOV DL,31H

RCL BL,CL

JC DISP

MOV DL,30H

DISP:

mov ah,02h

INT 21H

POP AX

DEC AX

JNZ KK2

MOV AH,4CH

INT 21H

CODE ENDS

END START

标签：汇编语言,试题