51单片机驱动模拟打地鼠游戏设计与按键控制

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <reg52.h>

#define X_FREQ 11059200
//#define X_FREQ 12000000
typedef unsigned char uchar;

sbit LED1 = P3^3;
sbit LED2 = P3^4;
sbit LED3 = P3^5;
sbit LED4 = P3^6;
sbit LED5 = P3^7;
sbit sw1 = P1^0;
sbit sw2 = P1^1;
sbit sw3 = P1^2;
sbit sw4 = P1^3;
sbit sw5 = P1^4;
sbit FMQ = P1^6;
//对应显示的字型    0    1 2   3   4    5    6    7    8    9     A    b  C    d   e    f
code unsigned char smg_code[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90, 0x88, 0x83, 0xC6, 0xA1, 0x86, 0x8E};
code uchar smg_sel[] = {0xFE, 0xFD, 0xFB, 0x07};

uchar smg[] = {0, 0, 0, 0};
uchar smg_pos = 0; //记录数码管要修改的位
bit  modify = 0; //需要修改标志
bit  t_1S = 0; //定时1秒标志
uchar smg_bit = 0;

uchar i;
int timeout = 400;
bit time = 1;
//Timer0中断程序
void Timer0_Interrupt() interrupt 1// using 1
{
static unsigned char count = 200;
    //TL0 = 0x00;              //不需要重新装入TL0，因为初始值是00
    //TH0 = 0xEE;                //reload timer0 high byte
TH0 = (65536 - 0.005f*X_FREQ/12)/256; //设Timer0初值
    if (--count == 0)               //1ms * 1000 -> 1s
    {
        count = 200;           //reset counter
        t_1S = 1;      //定时1S标志
    }
//chart_encode是要显示的字型
P2 |= 0x0F;
P0 = smg_code[smg[smg_bit]]; //读出要显示的字符编码

P2 = smg_sel[smg_bit];
if(++smg_bit == 0x04)smg_bit = 0;
timeout--;
if(timeout<0)
timeout=0;
}

void UartInit(void) //57600bps@11.0592MHz
{
PCON |= 0x80; //使能波特率倍速位SMOD
SCON = 0x50; //8位数据,可变波特率，接收允许