ad_仿真_修改_实验.c

proteus.rar

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit cs=P3^5;
sbit wr=P3^6;
sbit rd=P3^7;
uchar temp;
void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--)
		;
}
void start()
{
	cs=0;
	//wr=1;
	wr=0;
	wr=1;
}
void main()
{
	P0=0xff;
	while(1)
	{
		start();
		rd=0;
		temp=P0;
		rd=1;
		//P0=0xff;
		P1=temp;
		delay(1);
	}	
}