Intel OPEN (660) 120/140/150 II - Manual (Page 150)

User Manual version 2.1
OPEN (660) 120/140/150
9-140
The following is a sample program illustrating the way to
program the watchdog timer in BASIC.
10 REM Watchdog timer example program
20 OUT &H443, data REM enable the watchdog timer
30 GOSUB 1000 REM Your application task #1
40 OUT &H443, data REM Reset the timer
50 GOSUB 1000 REM Your application task #1
60 OUT &H443, data REM Reset the timer
70 X=INP (&H143) REM Disable the watchdog timer
80 End
1000 REM Subroutine #1, your application task
1090 Return
2000 REM Subroutine #2, your application task
2090 Return