lijie31.asm

汇编语言的一个小程序汇编语言的一个小程序

DATA SEGMENT
SUM  DW  0
DATA ENDS

STACK SEGMENT STACK
      DW 100 DUP(?)
STACK ENDS

;SUM=1+2+3+....+199+200
CODE SEGMENT
     ASSUME CS:CODE,DS:DATA,SS:STACK
BEG: MOV AX,DATA
     MOV DS,AX
     MOV SUM,0
     MOV CX,200
CIR: ADD SUM,CX
     LOOP CIR
     MOV AH,4CH
     INT 21H
CODE ENDS
     END  BEG