User manual

51 Appendix B
The following example shows how you might program the watchdog
timer in BASIC:
10
REM Wa t c h d o g timer example program
20
OUT &H443, data REM Start and restart the watchdog
30
GOSUB 1000 REM Your application task #1,
40
OUT &H443, data REM Reset the timer
50
GOSUB 2000 REM Your application task #2,
60
OUT &H443, data REM Reset the timer
70
X=INP (&H443) REM, Disable the watchdog timer
80
END
1000
REM Subroutine #1, your application task
..
..
..
1070
RETURN
2000
REM Subroutine #2, your application task
..
..
..
2090
RETURN