ssss

a.c

#include "STC15F2K60S2.H"
#include <intrins.h>

#define uchar unsigned char
#define uint unsigned int

#define ADC_POWER 0x80 // adc总开关
#define ADC_FLAG 0x10  
#define ADC_START 0x08
#define ADC_SPEED_90 0x60
#define ADC_CHS1_7 0x07

void init();
void game_ready_state();
void game_process_state();
void game_result_state();
void nav_event1();
void nav_event2();

void do_500ms();
void delay_ms(uint );

uchar duanxuan[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};     //显示0-9
uchar weixuan[] = {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07};			 //数码管0-7

uchar direction[] = {0x61,0x23,0x43,0x62,0x58,0x54,0x4c,0x1c};  // 左上右下
sbit led_sel = P2^3;

sbit key1 = P3^2;
sbit key2 = P3^3;

uint flag_key3 = 0;

uint timer = 0;

uint seed = 218;   // 随机数种子

uint game_state = 0;   // 0代表未开始，1代表正在游戏，2代表游戏结束
uint score = 0;
uint time = 0;
uint keys[8];

uint now_key;
uint life = 5;
uint isPress = 0;

void main() {
	init();
	
	while(1) {
		switch(game_state) {
			case 0:
				
				game_ready_state();break;
			case 1:
				TR0 = 1;
				game_process_state();break;
			case 2:
				game_result_state();break;
		}
	}
}

void init()
{
  //设置为推挽输出
	P0M1 = 0x00;
	P0M0 = 0xff;
	P2M1 = 0x00;
	P2M0 = 0xff;

	led_sel = 0;		//选择数码管作为输出
	P1ASF = 0x80;		//P1.7作为模拟功能A/D使用
	ADC_RES = 0;        //转换结果清零
	ADC_CONTR = 0x8F;	//ADC_POWER = 1	
	CLK_DIV=0X00;       //ADRJ = 0	  ADC_RES存放高八位结果

	flag_key3 = 0;
	

	IT0 = 0;			//设置IT0上升沿触发
	IT1 = 0;
	EA = 1;				//CPU开放中断
	ET0 = 1;
	TMOD = 0x00;
	
	TH0 = (65535-1000)/256;
	TL0 = (65535-1000)%256;
}


uint getRand(int t)  // 获得0~7的随机整数
{
    uint temp1 = seed + seed * seed;
    uint temp2 = t + t * t;
    seed = temp1;
    return (temp1 * temp2) % 7;
}

void timer_count() interrupt 1
{
	TR0 = 0;
	timer++;
	if(timer == 1000)
		timer = 0;
	
	if(timer%500 == 0)
		do_500ms();
	TR0 = 1;
}

void delay_ms(uint n) {
			uint i;
	   while(n) {
			 i = 114;
			 while(i--);
			 n--;
		 }
}

uint wei_ready_flag = 0x05;
void game_ready_state() {
	
	// 数码管显示
	uint bai, shi, ge;
	uint duan;
	uint i;
	
	bai = seed / 100;
	shi = seed / 10 % 10;
	ge = seed % 10;
	
	
		P0 = 0;
		P2 = wei_ready_flag;
		switch(wei_ready_flag) {
			case 0x05: wei_ready_flag=0x06; duan=bai;break;
			case 0x06: wei_ready_flag=0x07; duan=shi;break;
			case 0x07: wei_ready_flag=0x05; duan=ge;break;
		}	
		P0 = duanxuan[duan];
	
	
	// 导航键事件
	nav_event1();
	
	if(key1 == 0) {
		for(i = 0; i < 8; i++)
			keys[i] = -1;
		game_state = 1;
	}
	
}


unsigned char GetADC()
{
	uchar adc_res; 
	ADC_CONTR = ADC_POWER | ADC_START | ADC_SPEED_90 | ADC_CHS1_7;
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	while(!(ADC_CONTR&ADC_FLAG));			
	ADC_CONTR &= ~ADC_FLAG; 				
	adc_res = ADC_RES; 						
	return adc_res;
}

uchar Keycheck()
{
	unsigned char key;
	key=GetADC(); 
	
	if(key!=255)     
	{
		delay_ms(5);
		key=GetADC();
		if(key!=255)
		{
	     	key=key&0xE0;
        	key=_cror_(key,5);
			return key;
		}
	}
	return 0x07;
}

void nav_event1()
{
	uchar KEY_C;
	uchar KEY_P;

	KEY_C = Keycheck();
	
	if(KEY_C != 0x07){
		KEY_P = KEY_C;
		
		while(KEY_C!=0x07)
			KEY_C = Keycheck();	
	  
		switch(KEY_P){
			case 0x00 :	
				if(flag_key3 == 0) {
					 flag_key3 = 1;
				}
				else {
					flag_key3 = 0;
				}
				break;						
			case 0x05 :	
				if(seed == 999){
					seed = 0;
				}
				else
					seed++;
				break;
			case 0x02 :	
				if(seed == 0)	
					seed = 999;
				else 
					seed--;
				break;
		}			
	}
}

uint gaming_wei_flag = 0;
void game_process_state()
{
	
	if(keys[0] == -1)
		return;
	P0 = 0;
	led_sel = 0;
	
	P2 = weixuan[gaming_wei_flag];
	P0 = direction[keys[gaming_wei_flag]];
	gaming_wei_flag++;
	if(gaming_wei_flag == 8)
		gaming_wei_flag = 0;
	now_key = keys[0];
	
	
	
	if(isPress == 0) {
		nav_event2();
	}
	if(life <= 0 || score == 999) {
		TR0 = 0;
		game_state = 2;
	}
	P0 = 0;
	led_sel = 1;
	
	switch(life) {
		case 5:
			P0 = 0x1f;break;
		case 4:
			P0 = 0x0f;break;
		case 3:
			P0 = 0x07;break;
		case 2:
			P0 = 0x03;break;
		case 1:
			P0 = 0x01;break;
		case 0:
			P0 = 0x00;break;
	}
}

void nav_event2()
{
	uchar KEY_C;
	uchar KEY_P;
	TR0 = 0;
	KEY_C = Keycheck();
	
	if(KEY_C != 0x07){
		KEY_P = KEY_C;
		
		//while(KEY_C!=0x07)
		//	KEY_C = Keycheck();	
	  
		isPress = 1;
		switch(KEY_P){
			case 0x00 :	
				if(flag_key3 == 0) {
					 flag_key3 = 1;
				}
				else {
					flag_key3 = 0;
				}
				break;						
			case 0x05 :	// 向上
				if(now_key == 1 || now_key == 5)
					score++;
				else
					life--;
				break;
			case 0x02 :	 // 向下
				if(now_key == 3 || now_key == 7)
					score++;
				else
					life--;
				break;
			case 0x01: // 向右
				if(now_key == 2 || now_key == 6)
					score++;
				else
					life--;
				break;
			case 0x04: // 向左
				if(now_key == 0 || now_key == 4)
					score++;
				else 
					life--;
				break;
		}			
	}
	TR0 = 1;
}


void do_500ms()
{
	uint i;
	time++;
	if(keys[0]==-1) {
		for(i = 0; i < 8; i++) {
			keys[i] = getRand(time + i);
		}
	} else {
		for(i = 0; i < 7; i++) {
			keys[i] = keys[i+1];
		}
		keys[7] = getRand(time+7);
	}
	if(isPress == 0) {
		life--;
	}
	isPress = 0;
}

uint result_wei_flag = 0x05;
void game_result_state()
{
	uint bai, shi, ge;
	uint duan;
	led_sel = 0;
	P0 = 0;
	bai = score / 100;
	shi = score /10 %10;
	ge = score % 10;
	P2 = result_wei_flag;
	switch(result_wei_flag) {
		case 0x05: result_wei_flag=0x06; duan=bai;break;
		case 0x06: result_wei_flag=0x07; duan=shi;break;
		case 0x07: result_wei_flag=0x05; duan=ge;break;
	}	
	P0 = duanxuan[duan];
	
	if(key1 == 0) {
		score = 0;
		life = 5;
		seed = 218;
		time = 0;
		game_state = 0;
	}
}