题目内容

下列子程序欲将累加器A中的一个两位BCD码数转换为二进制数，仍存于A中。
TB：MOV 40H，A
SWAP A
ANL A,0FH：
MOV B,10
MUL AB
ANL 40H,0FH
ORL A,40H
RET
错误：
改正：
参考答案：错误

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