1.有效初始化寄存器
xor ecx,ecx
mul ecx => edx=0,eax=0
2. 带条件跳转
jz xxx(相等的话,跳到第xxx个字节)
汇编指令查询:
https://sites.google.com/site/microprocessorsbits/string-instructions/ins-insb-insw
1.有效初始化寄存器
xor ecx,ecx
mul ecx => edx=0,eax=0
2. 带条件跳转
jz xxx(相等的话,跳到第xxx个字节)
汇编指令查询:
https://sites.google.com/site/microprocessorsbits/string-instructions/ins-insb-insw
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