汇编语言B试题及答案(10)

CODE SEGMENT

ASSUME CS:CODE, SS: STACK1, DS: DATA START: MOV AX, DATA

MOV DS, AX

MOV CX, 8

MOV AL, DB1

XOR AH, AH

LOP: SAL AL, 1 或SHR AL, 1

RCR AH, 1 RCL AH, 1

LOOP LOP

MOV DB2, AH

MOV AH, 4CH

INT 21H

CODE:ENDS

END START

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