Re: Major Havoc fluke 9010a rom testing

That's what I was thinking.

But the sigs are for the two roms.. will I need to split the roms, and run
sig calc on the halves to get the right sigs?

Kevin

On Tue, Jan 22, 2013 at 6:05 PM, Jess Askey <jess@askey.org> wrote:

> The 2 ROM’s are broken down into 4 pages… so in order to access them….****
>
> ** **
>
> Page 0: Write 00 to 0x1740 then read 0x2000-3fff****
>
> Page 1: Write 01 to 0x1740 then read 0x2000-3fff****
>
> Page 2: Write 02 to 0x1740 then read 0x2000-3fff****
>
> Page 3: Write 03 to 0x1740 then read 0x2000-3fff****
>
> ** **
>
> That should do it for you!****
>
> ** **
>
> *From:* owner-vectorlist@vectorlist.org [mailto:
> owner-vectorlist@vectorlist.org] *On Behalf Of *Kevin Moore
> *Sent:* Tuesday, January 22, 2013 4:05 PM
> *To:* vectorlist@vectorlist.org
> *Subject:* Re: VECTOR: Major Havoc fluke 9010a rom testing****
>
> ** **
>
> I believe you are correct about FFFF being the range of the 6502, which
> makes it all the more odd that Quarter Arcade has such a high address
> listed.
>
> http://tech.quarterarcade.com/tech/VM.aspx?g=1669&set=mhavoc
>
> Probably just a mistake.
>
> The Memory map on the MH Schematics show the Range, and for the Rom/s in
> question the range should be 2000-3FFF but you have to page between the two
> somehow, and that's were I'm failing.
>
> It looks like the address 1740 is used to page between the two roms, but
> since I've never had to do that, I'm unable to verify the roms.
>
> The Rom at 8000-BFFF and C000-FFFF are not paged and I can check just
> fine. Mind you that this is all on the Alpha processor. Not the Gamma I
> haven't gotten that far as of yet.
>
> Kevin
>
> ****
>
> On Tue, Jan 22, 2013 at 3:55 PM, Andre Huijts <a.huijts@upcmail.nl> wrote:
> ****
>
> Its not outside the Fluke's range, it's outside the 6502 range....8 bit
> processor is FFFF max.
> Or am I missing something ?
>
>
>
> Op 22 jan. 2013 om 21:54 heeft Kevin Moore <talon.k@gmail.com> het
> volgende geschreven:****
>
>
> > So I'm trying to work on a major havoc, but I'm not to clear on how to
> run rom checks on the paged roms..
> >
> > Quarter Arcades site has the rom range 10000-13FFF for 136025-215, but
> the address range is outside the flukes range. Looks like to me the
> actually address should start at 2000-3FFF. I'm not at all familiar with
> the MMUPAGE0 addressing.
> >
> > Any pointers, or information I can read?
> >
> > Thanks,
> >
> > Kevin
> >****
>
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>
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>

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Received on Tue Jan 22 19:25:53 2013