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Re: WANTED: ][gs clock info.
dalloff@freenet.columbus.oh.us (Dave Althoff) writes:
>Okay, I know there is data on this in an Apple tech manual, I'm sure, but
>unfortunately, I don't have it.
>Does anyone know how to get the date and time out of the IIgs on-board
>clock/calander?
>Please note the following conditions--
>o BASIC.SYSTEM is not present
>o PRODOS is not present
>I figure I ought to be able to get that info. from a memory location
>(PEEK) or at worst a ROM routine call. Although I'm coding in Applesoft,
>I'm not opposed to writing a 6502-code driver (sorry, my assembler doesn't
>do 65C816 or even 65C02!).
Here's what you do. You will have to have 65816 code no matter how you do
it.
clc
xce
rep #$30
pha
pha
pha
pha
ldx #$0d03
jsl $e10000
sec
xce
pla
; A=seconds
pla
; A=minutes
pla
; A=hour
pla
; A=Year-1900
pla
; A=day (0-30)
pla
; A=month (0-11)
pla
pla
; A=weekday (1-7, 1=Sunday)
-Phil