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  1. #include <xc.h>
  2. __PROG_CONFIG(1, 0x3FE4);
  3. __PROG_CONFIG(2, 0x1EFF);
  4.  
  5. char y;
  6.  
  7. void init(void);
  8. void interrupt etti(void);
  9.  
  10. void main(void)
  11. {
  12. 	init();
  13. 	while (1);
  14. }
  15.  
  16. void init(void)
  17. {
  18. 	OSCCON = 0x73;
  19. 	ANSELB = 0;
  20. 	TRISB = 0x00;
  21.  
  22. 	RB0 = 0;
  23. 	RB1 = 1;
  24. 	RB2 = 0;
  25. 	RB3 = 0;
  26.  
  27. 	OPTION_REG = 2;
  28. 	TMR0 = 5;
  29.  
  30. 	TMR0IF = 0;
  31. 	TMR0IE = 1;
  32. 	GIE = 1;
  33. }
  34.  
  35. void interrupt etti(void)
  36. {
  37. 	if (TMR0IF)
  38. 	{
  39. 		TMR0IF = 0;
  40. 		TMR0 = 5;
  41. 		switch (y)
  42. 		{
  43. 			case 1: RB0 = 1; RB1 = 0; RB2 = 0; RB3 = 0; break;
  44. 			case 2: RB0 = 1; RB1 = 0; RB2 = 1; RB3 = 0; break;
  45. 			case 3: RB0 = 0; RB1 = 0; RB2 = 0; RB3 = 0; break;
  46. 			case 4: RB0 = 0; RB1 = 0; RB2 = 0; RB3 = 1; break;
  47. 			case 5: RB0 = 0; RB1 = 1; RB2 = 0; RB3 = 0; y = 0; break;
  48. 		}
  49. 		y++;
  50. 	}
  51. }
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#include <xc.h>
__PROG_CONFIG(1, 0x3FE4);
__PROG_CONFIG(2, 0x1EFF);

char y;

void init(void);
void interrupt etti(void);

void main(void)
{
	init();
	while (1);
}

void init(void)
{
	OSCCON = 0x73;
	ANSELB = 0;
	TRISB = 0x00;

	RB0 = 0;
	RB1 = 1;
	RB2 = 0;
	RB3 = 0;

	OPTION_REG = 2;
	TMR0 = 5;

	TMR0IF = 0;
	TMR0IE = 1;
	GIE = 1;
}

void interrupt etti(void)
{
	if (TMR0IF)
	{
		TMR0IF = 0;
		TMR0 = 5;
		switch (y)
		{
			case 1: RB0 = 1; RB1 = 0; RB2 = 0; RB3 = 0; break;
			case 2: RB0 = 1; RB1 = 0; RB2 = 1; RB3 = 0; break;
			case 3: RB0 = 0; RB1 = 0; RB2 = 0; RB3 = 0; break;
			case 4: RB0 = 0; RB1 = 0; RB2 = 0; RB3 = 1; break;
			case 5: RB0 = 0; RB1 = 1; RB2 = 0; RB3 = 0; y = 0; break;
		}
		y++;
	}
}
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