Pixelink PPC15-CX, Instruction Manual

Page: 133 / 140

PPCxx-CX Series Flat Panel PC
Page 133
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 BX, A61H
;setting the time-out value
MOV AX, 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 BX, A61H
;disable Watchdog Timer
MOV AX, 0 ;
INT 15H
;
; EXIT ;