汇编程序---输出26个大写字母(A~Z)
- DATAS SEGMENT
- DATAS ENDS
-
- STACKS SEGMENT
- STACKS ENDS
-
- CODES SEGMENT
- ASSUME CS:CODES,DS:DATAS,SS:STACKS
- START:
- MOV AX,DATAS
- MOV DS,AX
-
- MOV CX,26 ;设置循环次数
- MOV DL,'A' ;设置起始输出字母
-
- LOOP1:
- MOV AH,02H
- INT 21H
-
- ADD DL,1
- LOOP LOOP1 ;LOOP与CX相关联
- ;此处相当于
- ; DEC CX
- ; CMP CX,0
- ; JA LOOP1
-
- MOV AH,4CH
- INT 21H
- CODES ENDS
- END START
-
运行结果: