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Re: new Applicard
On Dec 18, 9:09 pm, A2Pro <a...@wilserv.com> wrote:
> Hi!
>
> On Dec 17, 8:40 pm, Steven wrote:
>
> > That's not where Alex is having the problem. The code you have there simply
> > loads the 6502 BIOS and calls it's cold-boot entry. The host BIOS uploads the
> > CP/M image to the Applicard and kicks it off. From what I gather, that's
> > where the problem occurs. The 6502 goes into a loop waiting for commands from
> > the Z80 that, in Alex's case, never come.
> > I'm busy re-learning the details for all this stuff. Used to know it cold,
> > but haven't looked at the Applicard in about 20 years :-).
>
> A listing of code stored on tracks 0, 1 and 2 of an AppliCard/
> StarCard boot disk and loaded at $9100..$BFFF is now available in the
> 'Files' section of the Yahoo! Apple CP/M group. $9100..$AFFF is
> basically just a hex dump of what must be Z-80 machine language.
> $B000..$B7FF is typical disassembler output. $B800..$BFFF has a fair
> number of comments due to inclusion of source modules previously
> created by disassembling DOS 3.3.
>
> Willi
Thanks but I have disassembled these tracks too and Steven provided
extremely helpful sources.
I'm making a slow but steady progress.
-Alex.