; RESET
rjmp INIT
-nop
; INT0
reti
-nop
; INT1
reti
-nop
; T1 CAPT1
reti
-nop
; T1 COMP1
reti
-nop
; T1 OVF1
-reti
-nop
+rjmp T1_OVF1
; T0 OVF0
reti
-nop
; UART RX
rjmp UART_RX
-nop
; UART UDRE
reti
-nop
; UART TX
reti
-nop
; ANA_COMP
reti
-nop
+
+T1_OVF1:
+out DDRD, r17
+rol r17
+sbrs r17, 7
+reti
+ldi r17, 4
+reti
UART_RX:
in r16, UDR
; baudrate einstellen
ldi r16, 11 ; "38400 bps wert" in r16
out UBRR, r16 ; write to uart baudrate register
-sbi UCR, (RXEN|TXEN|RXCIE) ; enable tx at uart control register
+ldi r16, ((1<<RXEN)|(1<<TXEN)|(1<<RXCIE))
+out UCR, r16
ldi r16, 0x7C
out DDRD, r16
+ldi r17, 4
+
+ldi r16, 3
+out TCCR1B, r16
+
+ldi r16, (1<<TOIE1)
+out TIMSK, r16
+
sei
MAIN: