.include "m16def.inc"
.def temp = r18;
ser r18
out DDRB,R18
START:
IN R18,PINA
CPI R18,0x00
BRnE _1
LDI R17,0x01
_1:
CPI R18,0x01
BRnE _2
LDI R17,0x02
_2:
CPI R18,0x02
BRnE _3
LDI R17,0x04
_3:
CPI R18,0x03
BRnE _4
LDI R17,0x08
_4:
CPI R18,0x04
BRnE _5
LDI R17,0x10
_5:
CPI R18,0x05
BRnE _6
LDI R17,0x20
_6:
CPI R18,0x06
BRnE _7
LDI R17,0x40
_7:
CPI R18,0x07
BRnE _8
LDI R17,0x80
_8:
andi r17,0xF8
cp r19,r17
BRnE _9
ldi r19,0xFF
out portB, r19
rjmp START
_9:
out portB, r17
rjmp START