基于STC89C52单片机贪吃蛇做法

#ifndef_glb_h_#define_glb_h_#defineucharunsignedchar#defineuintunsignedint#defineLOW0#defineHIGH1//初始化指令#defineCLEAR_SCREEN0x01//清屏指令：清屏且AC值为00H#defineAC_INIT0x02//将AC设置为00H。且游标移到原点位置#defineCURSE_ADD0x06//设定游标移到方向及图像整体移动方向〔默认游标右移，图像整体不动〕#defineFUN_MODE0x30//工作模式：8位根本指令集#defineDISPLAY_ON0x0c//显示开,显示游标，且游标位置反白#defineDISPLAY_OFF0x08//显示关#defineCURSE_DIR0x14//游标向右移动:AC=AC+1#defineSET_CG_AC0x40//设置AC，范围为：00H~3FH#defineSET_DD_AC0x80#defineFUN_MODEK0x36//扩展指令集，8位指令#defineX1address0x80//上半屏X轴起始地址#defineX2address0x88//下半屏X轴起始地址#defineYaddress0x80//Y轴起始地址/*--------------------------------------------------------------------------------------------------- 液晶屏----------------------------------------------------------------------------------------------------*/#defineDataPortP0sbitRS=P3^5;sbitRW=P3^6;sbitE=P3^4;sbitPSB=P3^7;sbitWELA=P2^7;sbitDULA=P2^6;sbitspeed=P2^0;sbitbeep=P2^3;/*#defineDataPortP1sbitRS=P2^0;sbitRW=P2^1;sbitE=P2^3;sbitPSB=P2^4;//sbitWELA=P2^7;//sbitDULA=P2^6;*//*--------------------------------------------------------------------------------------------------- 贪吃蛇----------------------------------------------------------------------------------------------------*///定义复位不自动清零全局变量//#pragmaDATA_SEGNOINIT_RAMsbitLEFT=P2^4;//左sbitRIGHT=P2^1;//右sbitUP=P2^5;//上sbitDOWN=P2^2;//下//sbitLed1=P1^7;//sbitLed2=P1^6;/*sbitLEFT=P0^2;//左sbitRIGHT=P0^3;//右sbitUP=P0^0;//上sbitDOWN=P0^1;//下*/sbitLed7=P1^0;sbitLed6=P1^1;sbitLed5=P1^3;sbitLed4=P1^4;//sbitLed3=P3^3;//sbitLed2=P3^2;//sbitLed1=P3^1;//sbitLed0=P3^0;#endif#ifndef_Init_h_#define_Init_h_/*------------------------------------------------------------------------------------------------------------ Init_12864-------------------------------------------------------------------------------------------------------------*/voidDelayus(unsignedchari);voidDelayms(unsignedinti);voidCheck_Busy();voidWrite_Cmd(unsignedcharCmd);voidWrite_Data(unsignedcharData);//ucharRead_Status();ucharRead_Data();voidInit_IO();voidInit_12864();//voiddisp();voidCGRAM();voidLCD_PutString(unsignedcharx,unsignedchary,unsignedcharcode*s);voidClrScreen();voidClr_GDRAM(void);voidLCD_PutGraphic(unsignedcharcode*img);voidSetGraphicMode();voidKeyscan();voidstatuschange();voidDraw_Point(ucharX,ucharY,ucharclour);voidDraw_zhi(ucharX1,ucharX2,ucharY);voidDraw_shu(ucharX,ucharY1,ucharY2);voidDraw_line(ucharx0,uchary0,ucharx1,uchary1);voidDraw_all_lines();voidStat_Point();voidLast_Point();voidAdd_Point();voidBump_Wall();voidSelf_Bump();/*------------------------------------------------------------------------------------------------------------ Init_Time-------------------------------------------------------------------------------------------------------------*///voidInit_Time();//voidexter0()interrupt1#endif#include<reg52.h>#include"glb.h"uinttimestatus=0;voidInit_Time(){ TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1; }voidTimer0()interrupt1{ TH0=(65536-50000)/256; TL0=(65536-50000)%256; timestatus++; if(speed==0) { if(timestatus>2) timestatus=0; } if(timestatus>10) timestatus=0;}#ifndef_Interrupt_h_#define_Interrupt_h_voidInit_Time();#endif#include<reg52.h>#include"glb.h"/*游戏的初始化值*/uchargamestatus=0;ucharflag=1; //折点个数标志uchara[]={20,0,0,0,0,0,0,0}; //其中〔a[0],b[0]〕为初始蛇头坐标，〔a[1],b[1]〕为初始蛇尾坐标，之后蛇尾坐标为〔a[flag],b[flag]〕。ucharb[]={32,32,0,0,0,0,0,0}; //后面〔a[i],b[i]〕记录拐点坐标，其中〔a[flag-1],b[flag-1]〕为第一个拐点的坐标ucharc[]={0,0,0,0,0,0,0,0}; //c[i]记录方向，其中a[0]为当前方向ucharx=54,y=32,pointstatus,allpoints;/*---------------------------------------------------------------------------------延时函数---------------------------------------------------------------------------------*/voidDelayus(unsignedchari){ intj; for(j=2;j>0;j--) for(;i>0;i--);}voidDelayms(unsignedinti){ unsignedintj; for(;i>0;i--) for(j=110;j>0;j--);}/*---------------------------------------------------------------------------------检测忙位---------------------------------------------------------------------------------*/voidCheck_Busy(){E=0; RS=0; RW=1; E=1; DataPort=0xff; while((DataPort&0x80)==0x80); //忙那么等待,忙标志检测BF，可以将BF读到DB7进行检测 E=0;}/*---------------------------------------------------------------------------------写命令---------------------------------------------------------------------------------*/voidWrite_Cmd(unsignedcharCmd){ Check_Busy(); RS=0; RW=0; DataPort=Cmd; Delayus(2); E=1; Delayus(5); E=0;}/*---------------------------------------------------------------------------------写数据---------------------------------------------------------------------------------*/voidWrite_Data(unsignedcharData){ Check_Busy(); RS=1; RW=0; E=1; DataPort=Data; Delayus(2); E=0; Delayus(5);}/*---------------------------------------------------------------------------------读状态---------------------------------------------------------------------------------*//*ucharRead_Status(){ uchari;DataPort=0xff;RW=1;RS=0;E=0;Delayus(2);E=1;Delayus(5);i=DataPort;Delayus(5);E=0;return(i);}*//*---------------------------------------------------------------------------------读数据---------------------------------------------------------------------------------*/ucharRead_Data(){ uchari;//while((Read_Status()&0x80)!=0x00);//忙检测 Check_Busy();RW=1;RS=1;E=0;Delayus(2);E=1;Delayus(5);i=DataPort;Delayus(5);E=0;returni;}/*---------------------------------------------------------------------------------计算并显示得分---------------------------------------------------------------------------------*/voidWrite_Score(ucharx,uchary,ucharshu){uchard1,d2,add,ah;d1=shu/10;d2=shu%10;if(x==0)ah=0x80;elseif(x==1)ah=0x90;elseif(x==2)ah=0x88;elseah=0x98;add=ah+y; //某一行显示分数Write_Cmd(add);Write_Data(d1+'0');Write_Data(d2+'0');}/*---------------------------------------------------------------------------------IO口初始化---------------------------------------------------------------------------------*/voidInit_IO(){ Led4=1; Led5=1; Led6=1; Led7=1;}/*---------------------------------------------------------------------------------液晶屏初始化---------------------------------------------------------------------------------*/voidInit_12864(){ //WELA=0; //DULA=1; Delayms(1); PSB=1; Delayms(1); Write_Cmd(0x30); Delayms(1); Write_Cmd(0x30); Delayms(1); Write_Cmd(0x0f); Delayms(1); Write_Cmd(0x01); Delayms(1); //Write_Cmd(0x06); //DelayVs2x(50);}/*voiddisp(){ unsignedchari; unsignedchara=0x10; Write_Cmd(0x80); for(i=0;i<16;i++) { Write_Data(a); a++; Delayms(2); }}*//*---------------------------------------------------------------------------------用户自定义字符---------------------------------------------------------------------------------*//*voidCGRAM(){ inti; Write_Cmd(0x30); Write_Cmd(0x40); for(i=0;i<16;i++) { Write_Data(0x10); Write_Data(0x10); }}*//*---------------------------------------------------------------------------------显示字符x:横坐标值，范围0-8y:纵坐标值，范围1-4---------------------------------------------------------------------------------*/voidLCD_PutString(unsignedcharx,unsignedchary,unsignedcharcode*s){ switch(y) { case1:Write_Cmd(0x80+x);break; case2:Write_Cmd(0x90+x);break; case3:Write_Cmd(0x88+x);break; case4:Write_Cmd(0x98+x);break; default:break; } while(*s>0) { Write_Data(*s); s++; Delayms(5); }}/*---------------------------------------------------------------------------------清屏---------------------------------------------------------------------------------*/voidClrScreen(){ Write_Cmd(0x01); Delayus(5);}/*---------------------------------------------------------------------------------去除液晶GDRAM内部的随机数据---------------------------------------------------------------------------------*/voidClr_GDRAM(void){ucharx,y,i,j;Write_Cmd(0x34);//鎵撳紑鎵╁睍鎸囦护闆?y=0x80;x=0x80;for(i=0;i<32;i++){Write_Cmd(y);Write_Cmd(x);for(j=0;j<16;j++){Write_Data(0x00);}y++;}y=0x80;x=0x88;for(i=0;i<32;i++){Write_Cmd(y);Write_Cmd(x);for(j=0;j<16;j++){Write_Data(0x00);}y++;}Write_Cmd(0x30);//鍥炲埌鍩烘湰鎸囦护闆?}/*---------------------------------------------------------------------------------显示图片---------------------------------------------------------------------------------*//*voidLCD_PutGraphic(unsignedcharcode*img){ inti,j; //显示上半屏内容设置 for(i=0;i<16;i++) { Write_Cmd(0x80); for(j=0;j<16;j++) { Write_Data(*img); img++; } Write_Cmd(0x90); for(j=0;j<16;j++) { Write_Data(*img); img++; } }//显示下半屏内容设置 for(i=0;i<32;i++) { Write_Cmd(0x88); for(j=0;j<16;j++) { Write_Data(*img); img++; } Write_Cmd(0x98); for(j=0;j<16;j++) { Write_Data(*img); img++; } }}*//*---------------------------------------------------------------------------------设置到绘图模式---------------------------------------------------------------------------------*//*voidSetGraphicMode(){ Write_Cmd(0x36); Delayms(2);}*//*------------------------------------------------------------------------------------------------------------ 按键函数-------------------------------------------------------------------------------------------------------------*/voidKeyscan(){ Led4=1; Led5=1; Led6=1; Led7=1; if(RIGHT==0) { Delayms(5); if(RIGHT==0) { Led4=0; gamestatus=0; } }if(DOWN==0) { Delayms(5); if(DOWN==0) { Led5=0; gamestatus=1; } } if(UP==0) { Delayms(5); if(UP==0) { Led6=0; gamestatus=3; } } if(LEFT==0) { Delayms(5); if(LEFT==0) { Led7=0; gamestatus=2; } }}/*------------------------------------------------------------------------------------------------------------ 状态发生改变处理函数必须跟在按键涵数后面！！！！-------------------------------------------------------------------------------------------------------------*/voidstatuschange(){uchari;if((gamestatus!=c[0])&&((gamestatus%2)!=(c[0]%2))) //只有gamestatus由奇数变为偶数或由偶数变为奇数时，才改变方向{ flag++; //方向改变，折点个数加1 for(i=flag;i>0;i--) { a[i]=a[i-1];b[i]=b[i-1];c[i]=c[i-1];}c[0]=gamestatus;}}/*------------------------------------------------------------------------------------------------------------ 画点函数，在屏幕上画一个点-------------------------------------------------------------------------------------------------------------*/voidDraw_Point(ucharX,ucharY,ucharclour) //clour为0时画点，为其它去除这个点{ucharx_pos,y_pos,x_bit;uintread_H,read_L,data_H,data_L; //计算LCD位置x_pos=X/16; //取16*16首地址if(Y>31) x_pos+=8; //计算该点所属LCD液晶中X坐标位置，上半屏0-7，下半屏8-15x_bit=X%16; //该点位于所在16bit中的第几位y_pos=Y%32; //y坐标32行的第几行Write_Cmd(0x34); //翻开扩展指令集操作GDRAM是扩展指令集 Write_Cmd(0x36); //使用扩充指令集，绘图显示ONWrite_Cmd(0x80+y_pos); // 写入第一行8个32*16模块的垂直起始地址，在写入地址时，要先输入垂直地址，再输入水平地址这是规定好的Write_Cmd(0x80+x_pos); //第一行水平的起始地址为80H //以后写入数据后，地址计数器〔AC〕会自动加一Read_Data(); //此处为什么要中上不知道为什么？？？？read_H=Read_Data(); //高八位!read_L=Read_Data(); //低八位！if(x_bit<8) //该点位于高八位{ if(clour==0) //画点 { data_H=read_H|(1<<(7-x_bit)); //把1左移7-x_bit位 } else { data_H=read_H&~(1<<(7-x_bit)); } data_L=read_L; }else //该点位于低八位 { data_H=read_H; if(clour==0) { data_L=read_L|(1<<(15-x_bit)); } else { data_L=read_L&~(1<<(15-x_bit));}} Write_Cmd(0x80+y_pos);Write_Cmd(0x80+x_pos);Write_Data(data_H); //写高八位数据Write_Data(data_L); //写低八位数据Write_Cmd(0x30); //回到根本指令集 Write_Cmd(0x0c);}/*------------------------------------------------------------------------------------------------------------ 在整个屏幕上画一条直线-------------------------------------------------------------------------------------------------------------*/voidDraw_zhi(ucharX1,ucharX2,ucharY) //X1代表线首横坐标，X2代表线尾横坐标，Y代表纵坐标{ uchari,temp; if(X1>X2) //X轴上，起点大于终点，交换数据 { temp=X2; X2=X1; X1=temp; }for(i=X1;i<=X2;i++) { Draw_Point(i,Y,0); }}/*------------------------------------------------------------------------------------------------------------ 在整个屏幕上画一条竖线-------------------------------------------------------------------------------------------------------------*/voidDraw_shu(ucharX,ucharY1,ucharY2) //Y1代表线首纵坐标，Y2代表线尾纵坐标，X代表横坐标{uchari,temp; if(Y1>Y2) //X轴上，起点大于终点，交换数据 { temp=Y2; Y2=Y1; Y1=temp; } for(i=Y1;i<=Y2;i++) { Draw_Point(X,i,0); }}/*------------------------------------------------------------------------------------------------------------ 在整个屏幕上画一条线-------------------------------------------------------------------------------------------------------------*/voidDraw_line(ucharx0,uchary0,ucharx1,uchary1) //只能是横线或者是竖线，〔x0,y0〕为线首坐标。(x1,y1)为线尾坐标{ intdx,dy; //定义X.Y轴上增加的变量值 dx=x1-x0; //X轴方向上的增量 dy=y1-y0; //Y轴方向上的增量 if(dx==0) Draw_shu(x0,y0,y1); if(dy==0) Draw_zhi(x0,x1,y0);}/*------------------------------------------------------------------------------------------------------------ 画边界函数-------------------------------------------------------------------------------------------------------------*/voidDraw_all_lines(){ uchari; for(i=0;i<flag;i++) { Draw_line(a[i],b[i],a[i+1],b[i+1]); }}/*------------------------------------------------------------------------------------------------------------ 开始点，蛇头-------------------------------------------------------------------------------------------------------------*/voidStat_Point(){ if(c[0]==0) { a[0]=a[0]+1; //如果向右，直线长度加1 } elseif(c[0]==1) { b[0]=b[0]+1; } elseif(c[0]==2) { a[0]=a[0]-1; } else { b[0]=b[0]-1; }}/*------------------------------------------------------------------------------------------------------------ 最后点，蛇尾-------------------------------------------------------------------------------------------------------------*/voidLast_Point(){ if(c[flag-1]==0) //如果第一次拐之前，方向向右 { a[flag]=a[flag]+1; //蛇尾横坐标加1 } elseif(c[flag-1]==1) { b[flag]=b[flag]+1; } elseif(c[flag-1]==2) { a[flag]=a[flag]-1; }else { b[flag]=b[flag]-1; } if((a[flag]==a[flag-1])&&(b[flag]==b[flag-1])) { flag--; }}/*------------------------------------------------------------------------------------------------------------ 加点，如果吃到食物，就产生新的食物，并画上该点，把该点作为蛇头-------------------------------------------------------------------------------------------------------------*/voidAdd_Point(){ if(c[0]==0) { if((a[0]+1)==x&&(b[0]==y)) { a[0]=x; pointstatus=1; allpoints++; } } elseif(c[0]==1) { if((b[0]+1)==y&&(a[0]==x)) { b[0]=y; pointstatus=1; allpoints++; } } elseif(c[0]==2) { if((a[0]-1)==x&&(b[0]==y)) { a[0]=x; pointstatus=1; allpoints++; } } else { if((a[0])==x&&(b[0]-1)==y) { b[0]=y; pointstatus=1; allpoints++; } }Draw_Point(x,y,0); //画上一个点，即产生食物 if(pointstatus) { beep=0; Delayms(10); beep=1; pointstatus=0; //Draw_Point(x,y,1);//去除这个点 //Delayms(5000); //设置断点，用于测试 x=x+16; y=y+18; if(x>127) { x=1; } if(y>63) { y=0; }}}/*------------------------------------------------------------------------------------------------------------ 判断是否撞边框-------------------------------------------------------------------------------------------------------------*/voidBump_Wall(){ if((a[0]>127||a[0]<0)||(b[0]<0||b[0]>63)) { TR0=0; ClrScreen(); //Disp_HZ(0x98,hang4,8); LCD_PutString(0,3,"撞墙死亡了"); Write_Score(3,7,allpoints); }}/*------------------------------------------------------------------------------------------------------------ 判断是否自身相撞-------------------------------------------------------------------------------------------------------------*/voidSelf_Bump(){ uchari,j; for(j=flag-1;j>=3;j--) { if(c[j]==0) { for(i=a[j+1];i<a[j];i++) { if((a[0]==i)&&(b[0]==b[j])) { TR0=0; ClrScreen(); //Disp_HZ(0x98,hang3,7); LCD_PutString(0,4,"死亡"); Write_Score(3,7,allpoints); } } } elseif(c[j]==1) { for(i=b[j+1];i<b[j];i++) { if((a[0]==a[j])&&(b[0]==i)) { TR0=0; ClrScreen(); //Disp_HZ(0x98,hang3,7); LCD_PutString(0,4,"死亡"); Write_Score(3,7,allpoints); }