+; enable TX, RX, Interrupt on RX
+ldi r16, ((1<<RXEN)|(1<<TXEN)|(1<<RXCIE))
+out UCR, r16
+
+; PortD Inputs - Enable all LEDs
+ldi r16, 0x7C
+out DDRD, r16
+
+; Least Significant LED
+ldi r17, 4
+
+; Timer1 Prescaler: CLK/64 (inc. Timer1 every 64 CLKs)
+ldi r16, 3
+out TCCR1B, r16
+
+; Timer1 Overflow Interrupt enable
+ldi r16, (1<<TOIE1)
+out TIMSK, r16
+
+; global interrupts enable