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.nolist

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.include "m168def.inc"      ; Same family as 328P

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.list

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; Interrupt vector

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        rjmp        main            ; Reset

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; Program code

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main:

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        ; Setup Pin 13 for output

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        sbi         DDRB,   PORTB5      ; Out

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        sbi         PORTB,  PORTB5      ; On

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loop:

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        ; Stay and loop

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        rjmp        loop

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