lijie22.asm

汇编语言的一个小程序汇编语言的一个小程序

DATA SEGMENT 
FIRST DW 5A6BH
DATA ENDS
STACK SEGMENT STACK
      DW 100 DUP(?)
STACK ENDS
CODE SEGMENT
     ASSUME CS:CODE,DS:DATA,SS:STACK
BEG: MOV AX,DATA
     MOV DS,AX
     MOV CX,0404H
LAST:ROL FIRST,CL
     MOV DX,FIRST
     AND DL,0FH
     CMP DL,10
     JC  NEXT
     ADD  DL,7
NEXT:ADD  DL,30H
     MOV  AH,2
     INT  21H
     DEC  CH
     JNZ  LAST
     MOV  AH,4CH
     INT 21H
CODE ENDS
     END  BEG