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Post on 13-Dec-2015

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.include "m8def.inc" .cseg RJMP INICIO INICIO:LDI R16,HIGH(RAMEND)OUT SPH,R16LDI R16,LOW(RAMEND)OUT SPL,R16PUERTOS: LDI R16,0B11111111 OUT DDRD,R16 LDI R16,0B00000000 OUT DDRC,R16 COMIENZO: LDI R16,0B00000000 OUT PORTD,R16 SWITCH: IN R17,PINC ANDI R17,0B00000001 CPI R17,0 BREQ DESCENDENTE BRNE ASCENDENTE DESCENDENTE: IN R17,PINC ANDI R17,0B00000010 CPI R17,0 BREQ NUEVE BRNE DESCENDENTE NUEVE: SBIC PINC,0 RJMP ASCENDENTE LDI R20,0B00001001 OUT PORTD,R20 NUEVE1: SBIC PINC,0 RJMP ASCENDENTE SBIC PINC,1 RJMP NUEVE1 A: SBIS PINC,1 RJMP A DEC R20 OUT PORTD,R20 CPI R20,-1 BREQ NUEVE RJMP NUEVE1 ASCENDENTE: IN R17,PINC ANDI R17,0B00000010 CPI R17,0 BREQ UNO BRNE ASCENDENTE UNO: SBIS PINC,0 RJMP DESCENDENTE LDI R20,0B00000000 OUT PORTD,R20 UNO1: SBIS PINC,0 RJMP DESCENDENTE SBIC PINC,1 RJMP UNO1 A1: SBIS PINC,1 RJMP A1 INC R20 OUT PORTD,R20 CPI R20,0B00001010 BREQ UNO RJMP UNO1