led显示按键中断次数

#include<reg52.h> #include <stdio.h> sbit K=P3^4; sbit P2_2 = P2^2; sbit P2_3 = P2^3; unsigned char Counter; unsigned char table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82, 0xf 8,0x80,0x90}; void delay (void) { unsigned char m,n,s; for(m=20;m>0;m--) for(n=20;n>0;n--) for(s=200;s>0;s--); } void main(void) { IT0=1; EA=1; EX1=1; Counter=0; while(1); } void intl(void) interrupt 2 { Counter++; P0=~Counter; EA=0; P0=tabl