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W977Write PROC
push
call
call
mov
out
mov
mov
out
call
pop
ret
W977Write ENDP
end
dx
EnterConfig
SelectDevice
dx,cs:CONFIG_PORT
dx,al
al,ah
dx,cs:DATA_PORT
dx,al
ExitConfig
dx
Appendix A Programming the Watchdog Timer
;; Enter Config Mode
;; Select logical device
;; Select register number
;; Exit Config Mode
113
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