.include "4433def.inc" ; Definitionen für den Atmel AT90S4433

.def temp = r16

.cseg
         rjmp reset           ; Reset Handler
         reti		      ; IRQ0 Handler
         reti		      ; IRQ1 Handler
         reti                 ; Timer1 Capture Handler
         reti                 ; Timer1 compare Handler
         reti                 ; Timer1 Overflow Handler
         reti                 ; Timer0 Overflow Handler
         reti                 ; SPI Transfer Complete Handler
         reti		      ; UART RX Complete Handler
         reti                 ; UDR Empty Handler
         reti                 ; UART TX Complete Handler
         reti                 ; ADC Conversion Complete Interrupt Handler
         reti                 ; EEPROM Ready Handler
         reti                 ; Analog Comparator Handler

reset:
	ldi	temp,RAMEND   ;LOW-Byte der obersten RAM-Adresse
	out	SPL,temp

	rcall	Watchdog_off

	sei 		      ;Interrups einschalten

	rjmp	MainLoop      ;ab ins Programm!!!
reti


Watchdog_on:
	in	temp,WDTCR
	sbr	temp, 1<<WDE | 0<<WDP2 | 1<<WDP1 | 0<<WDP0
	out	WDTCR,temp
ret

Watchdog_off:
	in	temp,WDTCR
	sbr	temp, 1<<WDTOE | 1<<WDE
	out	WDTCR,temp
	cbr	temp, 1<<WDE
	out	WDTCR,temp
ret

MainLoop:	
	rjmp	MainLoop      ;Endlosschleife