chesr.c

light chaser with asm and hex files so that u can directly piut in 89c51

#include<reg51.h>

void effect1(void);
void effect2(void);
void effect3(void);
void effect4(void);
void effect5(void);
void incdly(void);
void decdly(void);
void delay();
void dly(int d);
unsigned int x,f=0;

void incdly()
  {
    if(x<10) x++;
	delay();
  }
void decdly()
  {
    if(x>1) x--;
	delay();
  }
void dly(int d)
  {
    int a,b;
    for(b=0;b<d;b++)
	  for(a=0;a<2000;a++);
  }	  
void delay()
  {
    int w,z;
	for(w=0;w<100;w++)
	  for(z=0;z<1000;z++);
  }
void effect1()
  {
  	int i,j,k;
  	P1=0xFF;
	while(P1==0xFF)
	  {
	  	P2=0xFF;
		P3=0xFF;
		P0=0xFE;
		for(i=0;i<8;i++)
		  {
		   dly(x);
		    P0=P0<<1;			
		  }		
		P2=0xFE;
		for(j=0;j<8;j++)
		  {
		    dly(x);
		    P2=P2<<1;			
		  }	
		P3=0xFE;
		for(k=0;k<8;k++)
		  {
		  	dly(x);
		    P3=P3<<1;			
		   }
		P3=0x7F;
		for(i=0;i<8;i++)
		  {
			dly(x);
		    P3=P3>>1;			
		  }		
		P2=0x7F;
		for(j=0;j<8;j++)
		  {
		  	dly(x);
		    P2=P2>>1;			
		  }	
		P0=0x7F;
		for(k=0;k<8;k++)
		  {
		  	dly(x);
		    P0=P0>>1;			
		   }
	  }
    }
void effect3()
  {
    P1=0xFF;
	while(P1==0xFF)
	  {
  		P0=0xAA;
		P2=0xAA;
		P3=0xAA;
		dly(x);
		P0=0x55;
		P2=0x55;
		P3=0x55;
		dly(x);
   	  }
  }
void effect2()
  {
  	int i,j,k;
  	P1=0xFF;
	while(P1==0xFF)
	  {
	  	P2=0x00;
		P3=0x00;
	    P0=0x01;
		for(i=0;i<8;i++)
		  {
		  	dly(x);
		    P0=P0<<1;			
		   }
		P2=0x01;
		for(j=0;j<8;j++)
		  {
		  	dly(x);
		    P2=P2<<1;			
		  }
		P3=0x01;
		for(k=0;k<8;k++)
		  {
		  	dly(x);
		    P3=P3<<1;			
		   }
		P3=0x80;
		for(i=0;i<8;i++)
		  {
		  	dly(x);
		    P3=P3>>1;			
		   }
		P2=0x80;
		for(j=0;j<8;j++)
		  {
		  	dly(x);
		    P2=P2>>1;			
		  }
		P0=0x80;
		for(k=0;k<8;k++)
		  {
		  	dly(x);
		    P0=P0>>1;			
		   }
		}
	  }
void effect4()
  {
  	int i,j;
  	P1=0xFF;
	while(P1==0xFF)
	  {
	  	P0=0x01;
		P2=0x01;
		P3=0x01;
		for(i=0;i<8;i++)
		  {
		  	dly(x);
			P0=P0<<1;
			P2=P2<<1;
			P3=P3<<1;			
		  }	
		P0=0x80;
		P2=0x80;
		P3=0x80;
		for(j=0;j<8;j++)
		  {
		  	dly(x);
			P0=P0>>1;
			P2=P2>>1;
			P3=P3>>1;			
		   }
	  }
    } 
 void effect5()
  {
  	int i;
  	P1=0xFF;
	while(P1==0xFF)
	  {
	  	P0=0x01;
		P2=0x00;
		P3=0x80;
		for(i=0;i<8;i++)
		  {
		  	dly(x);
			P0=P0<<1;
			P3=P3>>1;			
		   } 
		 P2=0x81;
		 dly(x);
		 P2=0x42;
		 dly(x);
		 P2=0x24;
		 dly(x);
		 P2=0x18;
		 dly(x);
		 P2=0x24;
		 dly(x);
		 P2=0x42;
		 dly(x);
		 P2=0x81;
		 dly(x);		   
		 P0=0x80;
		 P3=0x01;
		 for(i=0;i<8;i++)
		  {
		  	dly(x);
			P0=P0>>1;
			P3=P3<<1;			
		   } 
		 }
	 }
void main()
  {
   		x=5;
   agin:P1=0xFF;
		P2=0x00;
		P3=0x00;
		P0=0x00;
		
		do	
		  {
		  	P0=0xFF;
			P2=0xFF;
			P3=0xFF;
			dly(x);
			P0=0x00;
			P2=0x00;
			P3=0x00;
			dly(x);
		  }	
	while(P1==0xFF);
 loop:switch(P1)
	  {
		case 0xFE:		   
			delay();
			f=1;
			effect1();
			break;		   
		case 0xFD:
			delay();
			f=1;
			effect2();
			break;
		case 0xFB:
			delay();
			f=1;
			effect3();
			break;
		case 0xF7:
			delay();
			f=1;
			effect4();
			break;
		case 0xEF:
			delay();
			f=1;
			effect5();
			break;
		case 0xDF:
			delay();
			f=2;
			break;
		case 0xBF:
			incdly();
			f=0;
			break;
		case 0x7F:
			decdly();
			f=0;
			break;
	  }
	if(f==1)goto loop;
	else if(f==0) goto agin;
	else
		{
			P0=0x00;
			P2=0x00;
			P3=0x00;
		}
	while(1);
  }