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- .def tmp = r16
- .def mask = r17
- .def tmp1 = r18
- .cseg
- rjmp reset
- .org $002
- rjmp i1
- .org $004
- rjmp i2
- .org $00C
- rjmp akt
- .org $010
- rjmp akt
- reset:
- ldi tmp, high(RAMEND)
- out SPH, tmp
- ldi tmp, low(RAMEND)
- out SPL, tmp
- ldi tmp, 0xff
- out DDRA, tmp
- out PORTA, tmp
- ldi tmp, (1<<WGM10)
- out TCCR1A, tmp
- ldi tmp, (1<<WGM12) | (1<<CS10)
- out TCCR1B, tmp
- ldi tmp1, 100
- out OCR1AL, tmp1
- ldi tmp, (1<<OCIE1A) | (1<<TOIE1)
- out TIMSK, tmp
- ldi tmp, (1<<ISC11) | (1<<ISC01)
- out MCUCR, tmp
- ldi tmp, (1<<INT0) | (1<<INT1)
- out GICR, tmp
- sei
- ldi tmp, 0xff
- ldi mask, 0x01
- main:
- rjmp main
- akt:
- sei
- eor tmp, mask
- out PORTA, tmp
- reti
- i1:
- cpi tmp1, 250
- breq skip
- inc tmp1
- out OCR1AL, tmp1
- skip:
- rcall debounce
- reti
- i2:
- cpi tmp1, 1
- breq skip2
- dec tmp1
- out OCR1AL, tmp1
- skip2:
- rcall debounce
- reti
- debounce:
- sei
- clr r19
- clr r20
- ldi r21, 4
- delay_loop:
- dec r19
- brne delay_loop
- dec r20
- brne delay_loop
- dec r21
- brne delay_loop
- push tmp
- ldi tmp, (1<<INTF0) | (1<<INTF1)
- out GIFR, tmp
- pop tmp
- ret
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