Re: Apple 1 CFFA1 AND FORTH +

[David Schmenk <dschmenk@gmail.com>]

On Oct 15, 7:49 am, David Schmenk <dschm...@gmail.com> wrote:
> On Oct 15, 6:22 am, Nama <forums6...@mac.com> wrote:
>
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>
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> > On Oct 15, 1:05 pm, David Schmenk <dschm...@gmail.com> wrote:
>
> > > On Oct 13, 7:38 pm, "John B. Matthews" <nos...@nospam.invalid> wrote:
>
> > > > In article
> > > > <e56a3494-d2a2-4b92-b247-01bf13536...@l14g2000yqb.googlegroups.com>,
>
> > > >  Nama <forums6...@mac.com> wrote:
> > > > > On Oct 14, 8:59 am, DaveSchmenk <dschm...@gmail.com> wrote:
> > > > > > OK, not exactly Apple II, but after meeting Chuck Moore, I decided
> > > > > > to delve a little more into Forth by porting it over to the Apple
> > > > > > I/ Replica1 and CFFA1 combo.  It actually makes for a nice little
> > > > > > Forth development platform.  I found and typed in by hand (just
> > > > > > like 1976), the FORTH-65 assembler and a polyForth compatible
> > > > > > editor so you can follow along in Leo Brodie's book, "Starting
> > > > > > Forth."  I made a little page about it:
>
> > > > > >http://schmenk.is-a-geek.com/Forth.html
>
> > > > > > Enjoy, and thanks to John Matthews for his ProForth source and help.
>
> > > > > > Dave...
>
> > > > > WOW!!!! thats great. I'm going to try this out on my A1+CFFA1 this
> > > > > weekend.
>
> > > > Excellent! Thanks for posting about this. I lost a lot of the work I did
> > > > on it over the years; it's nice to see so much of it restored. In
> > > > particular, the error codes on screens 4 and 5 were recreated by trial
> > > > and error. I put a generic "Error n" on (apparently) unused lines just
> > > > to see something when that error number was generated. Some of the
> > > > empties may have been used by the editor and assembler.
>
> > > > --
> > > > John B. Matthews
> > > > trashgod at gmail dot com
> > > > <http://sites.google.com/site/drjohnbmatthews>
>
> > > I look forward to hearing back from everyone's experience.  I just
> > > made a minor, but important update, for when you read a screen block
> > > that doesn't yet exist as a block file on the CFFA1 filesystem.
> > > Previously there would be an error message, now you just get a blank
> > > screen that will be properly updated when altered.  Over time, we can
> > > create a nice library of words for the Apple I.
>
> > > Dave...
>
> > I have loaded PROforth onto a CF card and installed in in my A1 clone
> > (not replica) + CFFA1. From the CFFA menu I can load 'F1' no problem
> > and can the launch it by 270r, and I see the splash screen with ***PRO-
> > FORTH V3.2 *** and all the creators listed etc.
>
> > ...Now if I do a '200 LOAD' or a '80 LOAD' the machine seems to freeze
> > (@ cursor still flashes though), resetting and doing a 270r again
> > displays just 'APPLE-DAYTON PROFORTH V3.2"
>
> > if I then do a '200 LOAD' or a '80 LOAD' I either get the freeze again
> > or sometimes I get the following message: '64 LOAD ?'
>
> > doing a '0 LIST' seems to work as it list the location/blocks of
> > EDITOR, ASSEMBLER, PROFORTH and EXTRAS.
>
> > Well, thats all I have tested so far. Should I try your updated
> > version?
>
> > Phil
>
> Hi Phil-
>
> The first thing to check are the dip switches on your CFFA1.  I assume
> your A1 clone is similar to the Replica1 and has a 32K static RAM.
> The CFFA1 also has 32K and needs to be disabled so as to not conflict
> with the A1's RAM.  My switches are down.up,down.down,up,up on my
> Replica1.
>
> Once those are verified, try typing in this simple Forth word:
>
> : HELLO ." HOWDY " CR ;
>
> making sure you have spaces after the ':' and before ';'.
>
> Enter HELLO and you should see HOWDY in reply.  We'll go from there,
>
> Dave...

Houston, we have a problem.  I installed the SHK onto a fresh CF card
and ran it on my Replica1 no problem.  I then moved the CF over and
ran it on my Obtronix clone.  It behaved just like yours.  Does your
A1 clone have 8K like the real Apple I or 32K like the Replica1?
Thanks,

Dave...