#include <io.h>
#include <interrupt.h>
#include <sig-avr.h>

char _ser_buf[1];
unsigned char _ser_buf_at = 0;

void write_byte() {
#ifndef DISABLE_CONDITION_1
	if(_ser_buf_at < sizeof(_ser_buf))
#endif
#ifndef DISABLE_CONDITION_2
		_ser_buf[0] = 0
#endif
	;
}

int main() {
	unsigned char i = 0;
	outp(0xff,DDRA);
	while(1) {
		unsigned char j = 0, k = 0;
		outp(i++,PORTA);
		while(++j) {
			outp(j,PORTC);
#ifndef DISABLE_CONDITION_3
			while(++k);
#endif
		}
	}
}