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start:
init:
clrf PORTA ; make sure port A output latches are low
clrf PORTB ; make sure port B output latches are low
bsf STATUS,RP0 ; select memory bank 1
movlw b'11111111' ; set port A data direction to inputs
movwf TRISA
movlw b'00000000' ; set port B data direction to outputs
movwf TRISB
bcf STATUS,RP0 ; select memory bank 0
;bsf INTCON, INT0IE
;bsf INTCON, GIE
rawtemp EQU B6
countdown EQU B7
movlw 5
movwf countdown
movlw 0
goto main
beep:
movlw 255
movwf PORTB
call wait1000ms
movlw 0
movwf PORTB
call wait1000ms
decfsz countdown, F
goto beep
goto start
main:
call readadc1 ; read the thermistor (at room tem its 73)
movf B1, W
movwf rawtemp
call readadc0 ; pot for calibration
movf B0, W
subwf rawtemp, w
btfss STATUS, 0
goto beep
movlw 0
movwf PORTB
goto main
END ; ends the program
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