main.c

来自「《Proteus在MCS-51&ARM7系统中的应用百例》逆向之 Chapter」· C语言 代码 · 共 29 行

#include <reg51.h>
#include <intrins.h>

typedef unsigned char BYTE;

BYTE data array[3]={0x47,0x36,0x21};


main()
{
	BYTE num=3;
	BYTE data *point=array;
	BYTE temp=0;

	point+=num;

	do
	{
		--point;
		*point=_crol_(*point,4);
		ACC=temp;

		#pragma asm
			XCHD A,@R0
		#pragma endasm

		temp=ACC;
	}while(--num);
}