Iei-integration S12A v3.00 Manuale Utente Scaricare il pdf (Pagina 114)

SAILORPC-12A Panel PC

Page 104

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 ;

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