/*任务1：按下K1，P1LED全亮，按下K2，P1LED全灭*/
#include"reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit K1=P0^0;
sbit K2=P0^1;
#define LED P1
void delay(u16 c)
{
while(c--);
}
void main()
{
P1=0X00;
while(1)
{
K1=1;
K2=1;
if(K1==0)
P1=0XFF;
else if(K2==0)
P1=0X00;
}
}
