v01.c

51下的 贪吃蛇 程序 用128864的LCD keil的开发环境

//demo board system
//designed 2002/12/25
//modify   ---------
//version	V1.00	
#include <reg51.h>
typedef unsigned char byte;
typedef unsigned int word;
struct position{
	byte x;
	byte y;
	};
#define   point      (( struct  position xdata *)(0x1200))    
#define   xram       ( byte xdata *)(0x0000)
sbit      power 	  =		0x94;	//p1.4
sbit	  lcd_power   =		0x95;   //p1.5
sbit	  DI		  =     0x92;   //p1.2
sbit	  RW		  =	    0x91;   //p1.1
sbit      E			  =		0x90;   //p1.0
sbit	  LCD1		  =		0x93;   //p1.3
sbit	  LCD2        =	    0x96;   //p1.6
sbit	  RST		  =     0xB0;   //p3.0
sbit	  latch		  =		0x97;   //p1.7

bit		game_on;

byte code chinese[500] ={    //lay model catch mod  resceive
/*--  文字:  枫  --*/  
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x08,0xC8,0xFF,0x28,0xC8,0x00,0xFE,0x22,0x42,0x82,0x72,0x02,0xFE,0x00,0x00,0x00,
0x02,0x01,0xFF,0x00,0x20,0x18,0x07,0x04,0x02,0x01,0x02,0x04,0x0F,0x30,0x7C,0x00,

/*--  文字:  叶  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xFC,0x04,0x04,0x04,0xFC,0x40,0x40,0x40,0x40,0xFF,0x40,0x40,0x40,0x40,0x40,0x00,
0x0F,0x02,0x02,0x02,0x07,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  电  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,
0x00,0x00,0x0F,0x04,0x04,0x04,0x04,0x3F,0x44,0x44,0x44,0x44,0x4F,0x40,0x70,0x00,

/*--  文字:  子  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xE2,0x12,0x0A,0x06,0x02,0x00,0x80,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x41,0x81,0x7F,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,
};  
//---------------------------reset the lcd controller chip--------------------- 
void reset_lcd(void){
	word i;
	RST=0;
	for(i=0;i<1000;i++)
	;
	RST=1;
	}
 //-------------------------write a command to left part of lcd ---------------
void write_l_com(byte com){
	byte i;
	LCD2=0;
	LCD1=1;
	DI=0;
	RW=1;
	RW=1;
	do{
		P2=0xff;
		E=1;
		i=P2;
		E=0;
	}
	while(i&0x80);
	RW=0;
	DI=0;
	P2=com;
	E=1;
	E=1;
	E=0;
	}
//----------------------write a data to left part of lcd-----------------------
void write_l_dat(byte dat){
	byte i=0x80;
	LCD2=0;
	LCD1=1;
	DI=0;
	RW=1;
	RW=1;
	do{
		P2=0xff;
		E=1;
		i=P2;
		E=0;
	}
	while((i&0x80));
	RW=0;
	DI=1;
	P2=dat;
	E=1;
	E=1;
	E=0;
	}
//--------------------------write a command to right part of lcd --------------
void write_r_com(byte com){
	byte i;
	LCD2=1;
	LCD1=0;
	DI=0;
	RW=1;
	RW=1;
	do{
		P2=0xff;
		E=1;
		i=P2;
		E=0;
	}
	while(i&0x80);
	RW=0;
	DI=0;
	P2=com;
	E=1;
	E=1;
	E=0;
	}
//------------------------write a data to right part of lcd--------------------
void write_r_dat(byte dat){
	byte i=0x80;
	LCD2=1;
	LCD1=0;
	DI=0;
	RW=1;
	RW=1;
	do{
		P2=0xff;
		E=1;
		i=P2;
		E=0;
	}
	while((i&0x80));
	RW=0;
	DI=1;
	P2=dat;
	E=1;
	E=1;
	E=0;
	}
//----------------------initialize lcd-----------------------------------------
 void init_lcd(){
 	byte i,j,page;
 	reset_lcd();
	write_l_com(0x3f);
	write_l_com(0xc0);
	write_r_com(0x3f);
	write_r_com(0xc0);
	page=0;
	for(i=0;i<8;i++){
		page=i|0xb8;
		write_l_com(page);
		write_l_com(0x40);
		write_r_com(page);
		write_r_com(0x40);
		for(j=0;j<64;j++){
			write_l_dat(0x00);
			write_r_dat(0x00);

		}
	}
 }
 //---------------------display the data from the xdata buffer-----------------
 void display(){  //the display buffer is from 0x0000 to 0x0400 total 1024 byte
 	byte i,j,page=0;
	for(i=0;i<8;i++){
		page=i|0xb8;
		write_l_com(page);			//write the pageof lcd display buffer memory
		write_l_com(40);			//set the start pixel
		for(j=0;j<64;j++){
			write_l_dat(*(xram+(128*i)+j));
		}
	}  //write the data to left part of lcd

	for(i=0;i<8;i++){
		page=i|0xb8;
		write_r_com(page);			//write the pageof lcd display buffer memory
		write_r_com(40);			//set the start pixel
		for(j=0;j<64;j++){
			write_r_dat(*(xram+(128*i)+64+j));
		}
	}  //write the data to right part of lcd
}
//-------------------------write a point at the lcd----------------------------
byte write_point(byte x,byte y){
	byte  idata temp,buffer;
	if(x>128)return 0x00;
	if(y>64) return 0x01;
	temp=*(xram+(y/8)*128+x);
	buffer=0x01;
	buffer<<=(y%8);
	temp=temp|buffer;
	*(xram+(y/8)*128+x)=temp;	
	}
//-------------------------write square at the lcd-----------------------------
void write_square(byte x0,y0,x1,y1,d){
	byte i;
	for(i=0;i<(x1-x0);i++){
		write_point((x0+i),y0);
		write_point((x0+i+1),y1);
	}
	for(i=0;i<(y1-y0);i++){
		write_point(x0,(y0+i+1));
		write_point(x1,(y0+i));
	}
	if(d){
		for(i=0;i<(x1-x0);i++){
			write_point((x0+i),y0+1);
			write_point((x0+i+1),y1-1);
		}
		for(i=0;i<(y1-y0);i++){
			write_point(x0+1,(y0+i+1));
			write_point(x1-1,(y0+i));
		}
	}
 }
 //--------------------put a char at lcd --------------------------------------
void put_char(byte x,y,att,chara){		//att:  0-> 16x16; 1->8x16; 2->24x24
	byte i;
	word scope;
	switch (att){
    case 0: 
			for(i=0;i<16;i++){
				*(xram+(y/8)*128+x+i)=chinese[chara*32+i];
				scope=&(xram+(y/8)*128+x+i);
				*(xram+(y/8)*128+x+128+i)=chinese[chara*32+16+i];
				scope=&(xram+(y/8)*128+x+128+i);
			}
			break;
	case 1:
			for(i=0;i<16;i++){
				*(xram+(y/8)*128+x+i)=chinese[chara*32+i];
				scope=&(xram+(y/8)*128+x+i);
				*(xram+(y/8)*128+x+128+i)=chinese[chara*32+16+i];
				scope=&(xram+(y/8)*128+x+128+i);
			}
			break;
	case 2:
			for(i=0;i<8;i++){
				*(xram+(y/8)*128+x)=chinese[chara*32+i];
				*(xram+(y/8)*128+x)=chinese[chara*32+i];
			}
			break;

	default:break;
   }
}
//----------------------the game model-----------------------------------------
game(){
	byte i;
	game_on=1;
	while(game_on){
		point->x=60;  
    	point->y=38;
		(point+1)->x=65;
		(point+1)->y=38;
	}
}
//-----------------------------------------------------------------------------
 main()
{ word i;
power=0;
 lcd_power=0;
// init_lcd();
for(i=0;i<1024;i++){
		*(xram+i)=0x00;
	}
while(1){
	write_square(00,16,127,63,1);
	for(i=0;i<4;i++)
	put_char((33+16*i),21,0,'b');
	game();
//------------------------------------------------
	display();
	while(1);
	}
 }