jsq.rar_按键计数仿真

#include<stdio.h> #include<reg51.h> #define LED1 P1//十位显示 #define LED0 P0//个位显示 sbit KEY1=P2^0; sbit KEY0=P2^1; int seg1[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//显示数字0~8 int seg0[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//显示数字0~8 unsigned int count=0; unsigned int count1=0,count0=0; void main() {while(1) { LED1=seg1[count1]; LED0=seg0[count0]; if(KEY1==0) {while (KEY1==1) { count++; count0=count%10;//个位显示按键次数的个位 count1=count/10;//按键的十位显示 if(count==100) count=99; } } if(KEY0==0) {while(KEY0==1) { count--; count0=count%10;//个位显示按键次数的个位 count1=count/10;//按键的十位显示 if(count==-1) count=0; } } } }