Intel MB893 user manual Call LockChip ret EnableAndSetWatchdog Endp

INSTALLATIONS

call Lock_Chip ret

Enable_And_Set_Watchdog Endp

;[]=============================================== ; Name : Disable_Watchdog

;IN : None

;OUT : None ;[]=============================================== Disable_Watchdog Proc Near

call Unlock_Chip

mov cl, 07h
mov al, 08h
call	Write_Reg	;switch to LD8
xor	al, al
mov cl, 0F6h
call	Write_Reg	;clear watchdog timer
xor	al, al
mov cl, 30h
call	Write_Reg	;watchdog disabled

call Lock_Chip ret

Disable_Watchdog Endp ;[]===============================================

;Name : Unlock_Chip

;IN : None

;OUT : None ;[]=============================================== Unlock_Chip Proc Near

mov dx, 2Eh mov al, 87h out dx, al out dx, al ret

Unlock_Chip Endp ;[]================================================

;Name : Lock_Chip

;IN : None

;OUT : None

22 MB893 User’s Manual