On Fri, 12 Jul 2002, Eckhard Stolberg wrote:
> > Regarding z26...how could I possibly trust something that doesn't support
> > the Mecacart memory format!? :P
>
> The Mecacart memory format? Admit it Chris, you just made that one up.
> If that's all you can bring up against z26, then it's not going
> to change my faith in the emulator acuracy. ;-)
>
> As for your old Megacart format, once someone sends us a ROM
> image or a working prototype cart, we are going to add support
> for it to z26. Well, maybe for a Megacart jr. format, since we
> are running very low on space already. ;-)
Yes, I did make it up. But that doesn't make it any less valid as
a hardware format. :) I'm the first to admit that it's vaporware,
and I often poke fun at my self over that. But it is sort of a chicken
and the egg thing. Stella supports it ("MC" format), but a lot of people
use z26 for development purposes due to its superior emulation. If the
emulators support a format, that's one less barrier to someone's trying
to use it. And if someone tells me they want to use it, you'll see a
hardware prototype in a couple of months. So there. :P
On a more serious note, what are the space limitations in z26?
> > The above URL contains complete memory maps, in various styles. Enjoy!
>
> In your TIA chart you are listing most of the read addresses as
> "undefined", while they actually repeat every $10 addresses. So
> reading from $01 is the same as readingf from $11, $21, $31 etc.
> In fact some games read from addresses at $3x, since those are
> undefined as write addresses. Maybe you could add a note to your
> TIA chart?
Oops. I almost said "I'll fix that when I have time", but that's been
on my "to do" list for months now. I put it off the last time, then
forgot all about it. It's fixed now. I think. If anyone sees any more
errors on any of the maps, or has comments or requests, please let me know.
Thanks!
-Chris
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