IBM 3301690 user manual Example program

3301690 CPU Card

NOTE:

When exiting a program it is necessary to disable the Watchdog Timer,

otherwise the system will reset.

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 YOUR APPLICATION PROGRAM HERE

;
CMP	EXIT_AP, 1	;is your application over?
JNE	W_LOOP	;No, restart your application
MOV	AX, 6F02H	;disable Watchdog Timer
MOV	BL, 0	;
INT	15H
;
; EXIT ;

151