//贪吃蛇游戏程序，屏左半部用于游戏活动，右半部为分数显示
//游戏屏为16*16游戏点阵，可容纳蛇身块数256。每个游戏点阵又由4*4个LCD基本点阵组成
//蛇行标志在定时器上置位，这里为游戏的主体部分。
/*************************************************************************************************/
#include <reg51.h>
#include <absacc.h>
#include <intrins.h>
#define CS1WC XBYTE[0x8004]//CS1写指令
#define CS1WD XBYTE[0x8005]//CS1写数据
#define CS1RS XBYTE[0x8006]//CS1读状态
#define CS1RD XBYTE[0x8007]//CS1读数据
#define CS2WC XBYTE[0x8008]
#define CS2WD XBYTE[0x8009]
#define CS2RS XBYTE[0x800a]
#define CS2RD XBYTE[0x800b]
#define P0 LCMDATA
#define BUSY_STATUS 0x80
#define uchar unsigned char
#define uint unsigned int
#define DISP_OFF 0x3e
#define DISP_ON 0x3f
#define START_LINE 0xc0
#define LEFT 0
#define RIGHT 1
#define TURN 1
#define FALSE 0
//定义键值
#define up 0x21
#define down 0x24
#define left 0x12
#define right 0x42
#define F1 0x18 //F1为ON
#define F2 0x28 //F2为0键
#define TIME_RUN 10 //软件计数器用他来调节游戏的速度
uchar getkey(void);//键盘扫描
void dlms(void);
//游戏部分
//x,y最大极限
#define MAX_GAME_X 15
#define MAX_GAME_Y 15
uchar snake_flag, //蛇头标志 7 6 5 4 3 2 1 0
// 上 下 左 右 x gameover food run
snake_len, //蛇身长度
snake_food; //食物位置,高4位Y,低4位x
uchar xdata snake_body[256]; //蛇身每个部分的数据
// 7 6 5 4 3 2 1 0
// 高4位Y方向 低4位X方向
uchar *len=&snake_len;
#define lcd_no_read //编译选项，把这项屏蔽掉就采用LCD读出方式，否则采用显存形式
#ifdef lcd_no_read
uchar xdata lcd_buf[8][64];//lcd缓冲，用于记录LCD内部的点阵,可以理解为显存
//当LCD无读出功能时，就要采用显示缓冲。本LCD为可读，一般不用这个功能
//缓冲只记录蛇身活动的部分，即LCD左半屏
#endif
uchar set_time; //贪吃蛇游戏频率计数值
/***********************以下为LCM部分***********************************************************/
uchar dot_buffer[32];
uchar disp_buffer[]={0,1,2,3,4,5,6,7,8,9};
// ------------------ ASCII字模的数据表 ------------------------ //
// 码表从0x20~0x7e //
// 字库: F:\技术文章\LCD12864\LcmZimo\Asc8X16E.dat 纵向取模下高位 //
// -------------------------------------------------------------- //
unsigned char code nAsciiDot[] = // ASCII
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // - -
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x38,0xFC,0xFC,0x38,0x00,0x00, // -!-
0x00,0x00,0x00,0x0D,0x0D,0x00,0x00,0x00,
0x00,0x0E,0x1E,0x00,0x00,0x1E,0x0E,0x00, // -"-
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x20,0xF8,0xF8,0x20,0xF8,0xF8,0x20,0x00, // -#-
0x02,0x0F,0x0F,0x02,0x0F,0x0F,0x02,0x00,
0x38,0x7C,0x44,0x47,0x47,0xCC,0x98,0x00, // -$-
0x03,0x06,0x04,0x1C,0x1C,0x07,0x03,0x00,
0x30,0x30,0x00,0x80,0xC0,0x60,0x30,0x00, // -%-
0x0C,0x06,0x03,0x01,0x00,0x0C,0x0C,0x00,
0x80,0xD8,0x7C,0xE4,0xBC,0xD8,0x40,0x00, // -&-
0x07,0x0F,0x08,0x08,0x07,0x0F,0x08,0x00,
0x00,0x10,0x1E,0x0E,0x00,0x00,0x00,0x00, // -'-
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xF0,0xF8,0x0C,0x04,0x00,0x00, // -(-
0x00,0x00,0x03,0x07,0x0C,0x08,0x00,0x00,
0x00,0x00,0x04,0x0C,0xF8,0xF0,0x00,0x00, // -)-
0x00,0x00,0x08,0x0C,0x07,0x03,0x00,0x00,
0x80,0xA0,0xE0,0xC0,0xC0,0xE0,0xA0,0x80, // -*-
0x00,0x02,0x03,0x01,0x01,0x03,0x02,0x00,
0x00,0x80,0x80,0xE0,0xE0,0x80,0x80,0x00, // -+-
0x00,0x00,0x00,0x03,0x03,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // -,-
0x00,0x00,0x10,0x1E,0x0E,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00, // ---
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // -.-
0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x00,
0x00,0x00,0x00,0x80,0xC0,0x60,0x30,0x00, // -/-
0x0C,0x06,0x03,0x01,0x00,0x00,0x00,0x00,
0xF8,0xFC,0x04,0xC4,0x24,0xFC,0xF8,0x00, // -0-
0x07,0x0F,0x09,0x08,0x08,0x0F,0x07,0x00,
0x00,0x10,0x18,0xFC,0xFC,0x00,0x00,0x00, // -1-
0x00,0x08,0x08,0x0F,0x0F,0x08,0x08,0x00,
0x08,0x0C,0x84,0xC4,0x64,0x3C,0x18,0x00, // -2-
0x0E,0x0F,0x09,0x08,0x08,0x0C,0x0C,0x00,
0x08,0x0C,0x44,0x44,0x44,0xFC,0xB8,0x00, // -3-
0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00,
0xC0,0xE0,0xB0,0x98,0xFC,0xFC,0x80,0x00, // -4-
0x00,0x00,0x00,0x08,0x0F,0x0F,0x08,0x00,
0x7C,0x7C,0x44,0x44,0xC4,0xC4,0x84,0x00, // -5-
0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00,
0xF0,0xF8,0x4C,0x44,0x44,0xC0,0x80,0x00, // -6-
0x07,0x0F,0x08,0x08,0x08,0x0F,0x07,0x00,
0x0C,0x0C,0x04,0x84,0xC4,0x7C,0x3C,0x00, // -7-
0x00,0x00,0x0F,0x0F,0x00,0x00,0x00,0x00,
0xB8,0xFC,0x44,0x44,0x44,0xFC,0xB8,0x00, // -8-
0x07,0x0F,0x08,0x08,0x08,0x0F,0x07,0x00,
0x38,0x7C,0x44,0x44,0x44,0xFC,0xF8,0x00, // -9-
0x00,0x08,0x08,0x08,0x0C,0x07,0x03,0x00,
0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00, // -:-
0x00,0x00,0x00,0x06,0x06,0x00,0x00,0x00,
0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00, // -;-
0x00,0x00,0x08,0x0E,0x06,0x00,0x00,0x00,
0x00,0x80,0xC0,0x60,0x30,0x18,0x08,0x00, // -<-
0x00,0x00,0x01,0x03,0x06,0x0C,0x08,0x00,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00, // -=-
0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x00,
0x00,0x08,0x18,0x30,0x60,0xC0,0x80,0x00, // ->-
0x00,0x08,0x0C,0x06,0x03,0x01,0x00,0x00,
0x18,0x1C,0x04,0xC4,0xE4,0x3C,0x18,0x00, // -?-
0x00,0x00,0x00,0x0D,0x0D,0x00,0x00,0x00,
0xF0,0xF8,0x08,0xC8,0xC8,0xF8,0xF0,0x00, // -@-
0x07,0x0F,0x08,0x0B,0x0B,0x0B,0x01,0x00,
0xE0,0xF0,0x98,0x8C,0x98,0xF0,0xE0,0x00, // -A-
0x0F,0x0F,0x00,0x00,0x00,0x0F,0x0F,0x00,
0x04,0xFC,0xFC,0x44,0x44,0xFC,0xB8,0x00, // -B-
0x08,0x0F,0x0F,0x08,0x08,0x0F,0x07,0x00,
0xF0,0xF8,0x0C,0x04,0x04,0x0C,0x18,0x00, // -C-
0x03,0x07,0x0C,0x08,0x08,0x0C,0x06,0x00,
0x04,0xFC,0xFC,0x04,0x0C,0xF8,0xF0,0x00, // -D-
0x08,0x0F,0x0F,0x08,0x0C,0x07,0x03,0x00,
0x04,0xFC,0xFC,0x44,0xE4,0x0C,0x1C,0x00, // -E-
0x08,0x0F,0x0F,0x08,0x08,0x0C,0x0E,0x00,
0x04,0xFC,0xFC,0x44,0xE4,0x0C,0x1C,0x00, // -F-
0x08,0x0F,0x0F,0x08,0x00,0x00,0x00,0x00,
0xF0,0xF8,0x0C,0x84,0x84,0x8C,0x98,0x00, // -G-
0x03,0x07,0x0C,0x08,0x08,0x07,0x0F,0x00,
0xFC,0xFC,0x40,0x40,0x40,0xFC,0xFC,0x00, // -H-
0x0F,0x0F,0x00,0x00,0x00,0x0F,0x0F,0x00,
0x00,0x00,0x04,0xFC,0xFC,0x04,0x00,0x00, // -I-
0x00,0x00,0x08,0x0F,0x0F,0x08,0x00,0x00,
0x00,0x00,0x00,0x04,0xFC,0xFC,0x04,0x00, // -J-
0x07,0x0F,0x08,0x08,0x0F,0x07,0x00,0x00,
0x04,0xFC,0xFC,0xC0,0xF0,0x3C,0x0C,0x00, // -K-
0x08,0x0F,0x0F,0x00,0x01,0x0F,0x0E,0x00,
0x04,0xFC,0xFC,0x04,0x00,0x00,0x00,0x00, // -L-
0x08,0x0F,0x0F,0x08,0x08,0x0C,0x0E,0x00,
0xFC,0xFC,0x38,0x70,0x38,0xFC,0xFC,0x00, // -M-
0x0F,0x0F,0x00,0x00,0x00,0x0F,0x0F,0x00,
0xFC,0xFC,0x38,0x70,0xE0,0xFC,0xFC,0x00, // -N-
0x0F,0x0F,0x00,0x00,0x00,0x0F,0x0F,0x00,
0xF0,0xF8,0x0C,0x04,0x0C,0xF8,0xF0,0x00, // -O-
0x03,0x07,0x0C,0x08,0x0C,0x07,0x03,0x00,
0x04,0xFC,0xFC,0x44,0x44,0x7C,0x38,0x00, // -P-
0x08,0x0F,0x0F,0x08,0x00,0x00,0x00,0x00,
0xF8,0xFC,0x04,0x04,0x04,0xFC,0xF8,0x00, // -Q-
0x07,0x0F,0x08,0x0E,0x3C,0x3F,0x27,0x00,
0x04,0xFC,0xFC,0x44,0xC4,0xFC,0x38,0x00, // -R-
0x08,0x0F,0x0F,0x00,0x00,0x0F,0x0F,0x00,
0x18,0x3C,0x64,0x44,0xC4,0x9C,0x18,0x00, // -S-
0x06,0x0E,0x08,0x08,0x08,0x0F,0x07,0x00,
0x00,0x1C,0x0C,0xFC,0xFC,0x0C,0x1C,0x00, // -T-
0x00,0x00,0x08,0x0F,0x0F,0x08,0x00,0x00,
0xFC,0xFC,0x00,0x00,0x00,0xFC,0xFC,0x00, // -U-
0x07,0x0F,0x08,0x08,0x08,0x0F,0x07,0x00,
0xFC,0xFC,0x00,0x00,0x00,0xFC,0xFC,0x00, // -V-
0x01,0x03,0x06,0x0C,0x06,0x03,0x01,0x00,
0xFC,0xFC,0x00,0x80,0x00,0xFC,0xFC,0x00, // -W-
0x03,0x0F,0x0E,0x03,0x0E,0x0F,0x03,0x00,
0x0C,0x3C,0xF0,0xC0,0xF0,0x3C,0x0C,0x00, // -X-
0x0C,0x0F,0x03,0x00,0x03,0x0F,0x0C,0x00,
0x00,0x3C,0x7C,0xC0,0xC0,0x7C,0x3C,0x00, // -Y-
0x00,0x00,0x08,0x0F,0x0F,0x08,0x0
