编程找出内存数据区自1000H开始的十个字数据的最大值。
MOV AX, 0
MOV BX, 1000H
MOV CX, 10
M_LOOP:
CMP AX, [BX]
JNB NEXT
MOV AX, [BX]
NEXT:
ADD BX, 2
LOOP M_LOOP
HLT
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将内存数据区2000H开始的十个字节数据逆序存放
MOV CX, 9
LOP1:
PUSH CX
MOV BX, 2000H
LOP2:
MOV AL, [BX]
INC BX
CMP AL, [BX]
JNB NEXT
XCHG AL, [BX]
DEC BX
MOV [BX], AL
INC BX
NEXT:
LOOP LOP2
POP CX
LOOP LOP1
HLT