diff options
Diffstat (limited to 'electronics/cw1/final.asm')
| -rw-r--r-- | electronics/cw1/final.asm | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/electronics/cw1/final.asm b/electronics/cw1/final.asm index 99b8508..9dff2ff 100644 --- a/electronics/cw1/final.asm +++ b/electronics/cw1/final.asm @@ -1,6 +1,7 @@ start: init: - clrf PORTA ; make sure port A output latches are low + clrf PORTA ; make sure port A output latches are + ; low clrf PORTB bsf STATUS, RP0 ; select memory bank 1 @@ -10,16 +11,14 @@ init: movwf TRISB bcf STATUS,RP0 ; select memory bank 0 - ;bsf INTCON, INT0IE - ;bsf INTCON, GIE - rawtemp EQU B6 countdown EQU B7 goto main -beep: ; a for loop that beeps a buzzer and turns on a led then sets a led on - ; if nothing is done +beep: ; a for loop that beeps a buzzer and + ; turns on a led then sets a led on if + ; nothing is done movlw 5 movwf countdown @@ -28,11 +27,10 @@ loop1: bsf PORTB, 0 ; put a RED LED on PORTB:0 bsf PORTB, 1 ; put a BUZZER on PORTB:1 call wait1000ms - bcf PORTB, 0 - bcf PORTB, 1 + clrf PORTB call wait1000ms - decfsz countdown, F + decfsz countdown, F ; the main part of the loop goto loop1 bsf PORTB, 2 ; put an AMBER LED on PORTB:2 @@ -51,9 +49,9 @@ main: ; reads the temprature subwf rawtemp, w ; subtract the from the threshold value btfss STATUS, 0 ; if higher than desired temp - goto beep ; ^ + goto beep - clrf STATUS + clrf STATUS ; clears the status flag, which might have a carry bit set goto main |