; Justice Unlimited Gadget Microcode
; (C) 2004 Nathan (Acorn) Pooley 
;
; gtime.inc
;
;@DOC@ time interrupt service routine
;

;############################################
;############### TIMER0 - GAME CLOCK ########
;############################################

    ; this occurs once every second
isr_timer0:
    bcf     b_tmr0if        ; clear interrupt
#if DEBUG_BITS
    btg     db_blink        ; toggle debug blink output
#endif
    incf    v_time_addsec,f ; one more second

#if INTERNAL_WATCHDOG
    movf    v_time_addsec,w
    addlw   LOW -10
    bnc     isr_return
    bra     error_hang
#else
    bra     isr_return
#endif