IEI Technology PPC-F12B-BT, User Manual

Page: 150 / 153

PPC-F12B/15B/17B/19B-BTi Panel PC
Page 134
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
;setting the time-out value
MOV BX, 05 ;time-out value is 5 seconds
INT 15H
;
;
ADD THE APPLICATION PROGRAM HERE
;
CMP EXIT_AP, 1 ;is the application over?
JNE W_LOOP ;No, restart the application
MOV AX, 6F02H ;disable Watchdog Timer
MOV BX, 0 ;
INT 15H
;
;
EXIT ;