+; timer/counter 0 setting (f_clk/1024)
+ldi r16,(1<<CS02)|(1<<CS00)
+out TCCR0,r16
+; timer/counter 0 enable
+ldi r16,(1<<TOIE0)
+out TIMSK,r16
+; timer counter 1 setting (f_clk/8)
+ldi r16,(1<<CS11)
+out TCCR1B,r16
+; adc
+ldi r16,(1<<ADLAR) ; left adjusted, pin 0 connected to adc, a ref connected
+out ADMUX,r16
+ldi r16,(1<<ADEN)|(1<<ADSC)|(1<<ADFR) ; enable, running mode, start first conv.
+out ADCSR,r16
+; port c setings
+ldi r16,(1<<DDC0)
+out DDRC,r16