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Re: Z80 Card + Carte Blanche



On May 6, 4:51 am, Nama <forums6...@mac.com> wrote:
> On May 6, 7:41 pm, Nama <forums6...@mac.com> wrote:
>
>
>
>
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> > On May 6, 8:26 am, Nama <forums6...@mac.com> wrote:
>
> > > On Saturday, May 5, 2012 10:33:51 PM UTC+9, Steve wrote:
> > > > My dodgy Microsoft Z80 soft card clone -http://www.applelogic.org/MSZ80_250E.bit
>
> > > > I dont have a 250E, so id be curious if it works. (This piece of code
> > > > is a copy of this card -http://www.applelogic.org/files/MSZ80PCB.JPG
> > > > )
>
> > > > If your keen to debug it and make it fly, the Altium designer (AD10)
> > > > source is here -http://www.applelogic.org/PBA03_FPGA.zip
>
> > > > Have fun!
>
> > > > Steve
>
> > > Thanks Steve,
> > > I'll try this out today if I can find some free time.
>
> > > Phil
>
> > I tried it out. It works...kinda.
> > Basically it's quite funky. I can do a 'DIR' and see the files on the
> > floppy. If I try to load something it's hit and miss wether it will
> > works or maybe I get some disk error.
> > Sometimes I get funky character which is always fun. Seems close to
> > being functional though. Good stuff.
>
> Just a quick update...seems more stable on my II+ machine as opposed
> to my II, which has been a little flakey recently. With all the cards
> installed in the II+ the machine card will not work with the Z80
> softcard .bit file loaded, and it will hang while loading CP/M from
> floppy. Removing all the extra cards allows it to work. As I
> mentioned, it does seems more stable on this machine, but I need to do
> more testing.
>
> Phil- Hide quoted text -
>
> - Show quoted text -

Cool. Thats great. So the 250E seem to be about the same as the 500E.
I expect its just a glitch. :)
The stellation 6809 card behaves in the same touch and go way.
asynchronous design for you. It would be good to find the time to get
back on the tools and debug it.
Steve