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 26 行

#include <reg51.h>
typedef unsigned char BYTE;

BYTE data array[3]={0x12,0x44,0x89};

main()
{
	BYTE len=3;
	BYTE len_temp;
	BYTE data *point=array;
	BYTE data *point_temp=array;
	len_temp=len-1;

	do
	{
		CY=0;
		*point=0x99-*point;
		point++;
	}while(--len_temp);

	*point=0x9A-*point;	
   	point=point_temp;
	
	*point=1;		//不加此句Keil会把上句优化掉!
	while(1);	
}