IEI Technology PPC-51 A-H61 Series User Manual page 151

NOTE:
When exiting a program it is necessary to disable the Watchdog Timer,
otherwise the system resets.
Example program:
; INITIAL TIMER PERIOD COUNTER
;
W_LOOP:
MOV AX, 6F02H
MOV BX, 05
INT 15H
;
; ADD THE APPLICATION PROGRAM HERE
;
CMP EXIT_AP, 1
JNE W_LOOP
MOV AX, 6F02H
MOV BX, 0
INT 15H
;
; EXIT ;
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PPC-51xxA-H61 Panel PC
;setting the time-out value
;time-out value is 5 seconds
;is the application over?
;No, restart the application
;disable Watchdog Timer
;