#include <mega8.h>
#define UH        PORTD.0
#define UL        PORTD.1
#define VL        PORTD.2
#define WL        PORTD.3
#define VH        PORTD.4
#define WH        PORTD.5
#define START     PINB.2
#define STOP      PINB.0
#define REVERS    PINB.1
#define HALL1     PINC.0
#define HALL2     PINC.1
#define HALL3     PINC.2

//unsigned char tmp=0;
//  char flag=1; 
 
void port_init()
{
//PORTD=0x01;
DDRD=0b11111111;
DDRC=0;
PORTC=0xFF;
DDRB=0;
PORTB=0xFF;
}

void timer_init()
{   
TCCR2=0x01;
TIMSK=0x40;
TCNT2=0x30;
}

void pwm_init()
{   OCR2=0x00;
 // TCCR2=(1<<COM21)|(1<<WGM20)|(1<<WGM21)|(1<<CS20);
};

interrupt [TIM2_OVF] void overflow_timer2 (void)
{
char tmp;
tmp = PINC;
//PORTD = PINC;

switch (tmp)
{
case 0b00000101: PORTD=0b00000101; break;   
case 0b00000001: PORTD=0b00001001; break;
case 0b00000011: PORTD=0b00011000; break;
case 0b00000010: PORTD=0b00010010; break;
case 0b00000110: PORTD=0b00100010; break;
case 0b00000100: PORTD=0b00100001; break;
}

 #asm("sei")
}   


void main()
{

port_init();
timer_init();
pwm_init();
#asm("sei")
while (1)
{};
}