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[my-code/atmel.git]
/
beginners
/
test_port_d.asm
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.include "../include/2313def.inc"
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INIT:
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ldi r31,0
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ldi r30,0
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ldi r29,0
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out DDRD,r29 ; select all pins as input
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jmp DECIDE
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DECIDE:
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adiw r30,1
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cp r30,0
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breq SET_0
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cp r30,1
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breq SET_1
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cp r30,2
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breq SET_2
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ldi r30,0
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jmp DECIDE
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SET_0:
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ldi r16,0
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sbr r16,14
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out PORTD,r16
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jmp WAIT
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SET_1:
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ldi r16,0
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sbr r16,48
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out PORTD,r16
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jmp WAIT
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SET_2:
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ldi r16,0
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sbr r16,42
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out PORTD,r16
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jmp WAIT
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WAIT:
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adiw r31,1
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cpi r31,0xff
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breq RESET
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jmp WAIT
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RESET:
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ldi r31,0
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jmp DECIDE