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Re: Apple II plus memory map needed + other help :)



Do you want the schematic of the Apple II?  I scanned the schematic a long
time ago, it is in a .tif format, the original and the addendum.  I have no
clue about a memory map. Big files, but I can zip them to you. (still big
though).
Mary
remove "very" to answer
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"andy welburn" <warlords@ntlworld.com> wrote in message
news:aS5e8.17677$H43.2341222@news11-gui.server.ntli.net...
> Hi all..
>
> first post here.. so don't flame me, i have lookedm but i can't understand
> the memory maps and other information that i am finding..
>
> I have an apple 2 plus sitting here that i am trying to bring back to
life,
> the power supply is good, that i do know, the cpu is running ok (no
resets)
> but no video output..
>
> I fix video arcade pcb's all the time, and have a Fluke 9100 digital test
> system, and a 6502 pod.. i could do preliminary tests to work out whats
> wrong, if only i had a reliable memory map..
>
> for example, Missile Command (6502 based) is like this:
>
> 0000-3FFF = ram
> 5000-7FFF = Program ROM
>
> i'm only really interested in ram/rom locations as i can run tests on
those,
> i don't need to know input ports or other stuff..
>
> The only other thing i need to know is if there's any banked memory or rom
> or something, need to know if and where the switches are..
>
> thanks.
>
> Andy
>
>
>