妈呀，微机要考试了，背代码

标签：hello   int   tar   微机   hex   star   tac   fse   add   

STACK1 SEGMENT STACK 
DW 256 DUP(?)
STACK1 ENDS
DATA SEGMENT         
MES DB ‘Press any key to exit!‘,0AH,0DH,0AH,0DH,‘$‘
MES1 DB ‘SHOW A AS HEX:‘,0AH,0DH,‘$‘
SD DB ‘a‘
DATA ENDS
CODE SRGMENT         
ASSUME CS:CODE,DS:DATA
START:MOVE AX,DATA   
MOV DS,AX
MOV DX,OFFSET MES 
MOV AH,09H        
INT 21H
MOV DX,OFFSET MES1   
MOV AH,09H
INT 21H
MOV SI,OFFSET SD
MOV AL,DS:[SI]    
AND AL,0F0H       
MOV CL,4
SHR AL,CL
CMP AL,0AH        
JB C2
ADD AL,07H        
C2:ADD AL,30H        
MOV DL,AL
MOV AH,02H        
INT 21H
MOV AL,DL:[SI]
AND AL,0FH        
CMP AL,0AH
JB C3
ADD AL,07H
C3:ADD AL,30H
MOV DL,AL         
MOV AH,02H
INT 21H
KEY:MOV AH,1         
INT 16H           
JZ KEY
MOV AX,4C00H      
INT 21H
CODE ENDS
END START

DATA SEGMENT             
MSR DB "HELLO,WORLD!$"
LEN EQU $- MSR
DATA ENDS
EXDA SEGMENT              
MSD DB LEN DUP(?)
EXDA ENDS
MYSTACK SEGMENT STACK   
DW 20 DUP(?)
MYSTACK ENDS
CODE SEGMENT              
ASSUME CS:CODE,DS:DATA,ES:EXDA
START: MOV AX,DATA
MOV DS,AX              
MOV AX,EXDA
MOV ES,AX              
MOV SI,OFFSET MSR      
MOV DI,OFFSET MSD     
MOV CX,LEN
NEXT: MOV AL,[SI]           
MOV ES:[DI],AL
INC SI
INC DI
DEC CX
JNZ NEXT
PUSH ES
POP DS                  
MOV DX,OFFSET MSD
MOV AH,9
INT 21H
KEY: MOV AH,1              
INT 16H                 
JZ KEY
MOV AX,4C00H          
INT 21H
CODE ENDS
END START

妈呀，微机要考试了，背代码

标签：hello   int   tar   微机   hex   star   tac   fse   add   

原文地址：http://www.cnblogs.com/s1104119631/p/7881587.html