/*
SLdt  260126          Disclaimer: none. Sue me.

Minimalprogramm WDT-ISR (blinken)
*/

.include    "m328Pdef.inc"

.org    $0000
    rjmp        reset
.org WDTaddr
    reti

reset:
    ldi     r16,(1<<SE)+(1<<SM1)                        ; power-down
    out     SMCR,r16
    ldi     r16,(1<<WDE)|(1<<WDCE)
    sts     WDTCSR,r16
    ldi     r16,(0<<WDE)|(1<<WDIE)|(1<<WDP2)|(1<<WDP1)  ; 1 s, Interrupt-Mode
    sts     WDTCSR,r16
    sbi     DDRB,0
    sei
main_loop:
    sleep
    sbi     PINB,0
  rjmp      main_loop