IEI Technology PCISA-LX, User Manual

Page: 183 / 214

Page 183
PCISA -LX CPU Card
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 BL, 30 ;time-out value is 48 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 BL, 0 ;
INT 15H
;
;
EXIT ;