#include <90s2313.h>
#include "exb2313.h"
#include <delay.h>
#define min 10
void naks(void)
{
PZ1 = ON;
delay_ms(10);
PZ1 = OFF;
}
void main(void)
{
  unsigned char roulette;
  unsigned char run;
  unsigned char rnd;


  PORTB=0xFF;
  DDRB=0xFF;

  PORTD=0x7C;
  DDRD=0x40;

  ACSR=0x80;

  roulette = 0x01;
  run = 0;

  while (1)
  {
    if (S4)
      run = min + rnd%100;

    if (run)
    {
      run--;
      naks();
      roulette <<= 1;
      if (!roulette)
        roulette = 0x01;
    }

    PORTB = ~roulette;
    delay_ms(75);

    rnd++;

    if (run == 10)
      delay_ms(50);
    if (run == 9)
      delay_ms(90);
    if (run == 8)
      delay_ms(140);
    if (run == 7)
      delay_ms(200);
    if (run == 6)
      delay_ms(270);
    if (run == 5)
      delay_ms(321);
    if (run == 4)
      delay_ms(350);
    if (run == 3)
      delay_ms(390);
    if (run == 2)
      delay_ms(420);
    if (run == 1)
      delay_ms(470);
  }
}