Keil uVision3 编辑c出错？

Question

#include<AT89X52.H>

sbit P00 = P0^0;

void Delay(unsigned int a);

void main(void)
{
while(1)
{
P00 = 0;
Delay(10000); //65535
P00 = 1;
Delay(10000);
}
}

void Delay(unsigned int a)
{
while(-- a);
}

显示3出错误?为什么

Answer 1

你好好看看AT89X52.H,P0的各个位是怎么定义的，不要重复