如题所述
CODE SEGMENT
MAIN PROC FAR
ASSUME CS:CODE
START:
PUSH DS
XOR AX,AX
PUSH AX
MOV DL,0FFH
AGAIN: INC DL
MOV AH,02H
INT 21H
CMP DL,0FFH
JNZ AGAIN
MAIN ENDP
CODE ENDS
END START
MAIN PROC FAR
ASSUME CS:CODE
START:
PUSH DS
XOR AX,AX
PUSH AX
MOV DL,0FFH
AGAIN: INC DL
MOV AH,02H
INT 21H
CMP DL,0FFH
JNZ AGAIN
MAIN ENDP
CODE ENDS
END START
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