[Coco] 1980 CoCoCoding contest? (4K Color BASIC 1.0)

[Louis Ciotti]

Trying to get roar setup to maybe do something for the contest, but I can
only get the 1.1 Rom to work.  The 1.0 rom I found (from the
colorcomputerarchive) does not work.

On Tue, Dec 9, 2014 at 10:04 PM, Arthur Flexser <flexser at fiu.edu> wrote:

> The first poke plus the exec should give you the Color Basic startup screen
> (with a message that says Color Basic) if it works as I hoped.  Again, on a
> CoCo 1 or 2, it wouldn't work unless you ran a program that copies the ROMs
> to RAM first.  If the EXEC &HA000 doesn't work, maybe try
> POKE&H8000,0:POKE&H71,0:EXEC&HA027.  (I really should look at a Color Basic
> disassembly.)
>
> Art
>
> On Tue, Dec 9, 2014 at 9:03 PM, Louis Ciotti <lciotti1 at gmail.com> wrote:
>
> > I assume there is some other pokes that a coco 2 would need.  I tried
> them
> > and the first gives me an OK prompt and the second gives me an OM error.
> > This is on a 64K coco 2.
> >
> >
> >
> > On Tue, Dec 9, 2014 at 6:34 PM, Arthur Flexser <flexser at fiu.edu> wrote:
> >
> > > I think it'd be pretty easy to write a program to put a CoCo 3 into a
> > mode
> > > that is pretty much 4K Color Basic, so that contest programs could be
> > > tested on a real CoCo.  It might be as simple as
> POKE&H8000,0:EXEC&HA000
> > to
> > > boot up Color Basic and then CLEAR 200,4096 to give it the memory of a
> 4K
> > > machine.
> > > (I was going to say CLEAR 200,&H1000, but I don't think "&H" is legal
> in
> > > Color Basic.)
> > >
> > > Same thing on the CoCo 1/2 except you'd need to run a program to put
> you
> > in
> > > the all-RAM mode first.
> > >
> > > I'd be curious to know if that works, since I'm not certain that $A000
> > > would be the right place to jump into the Color Basic ROM.  The first
> > poke
> > > is to knock out the "E" character at the beginning of the Extended
> Basic
> > > ROM so that Color Basic's test for the presence of Extended Basic will
> > > fail.
> > >
> > > Art
> > >
> > > On Tue, Dec 9, 2014 at 4:08 PM, Allen Huffman <alsplace at pobox.com>
> > wrote:
> > >
> > > > > On Dec 9, 2014, at 2:50 PM, Rogelio Perea <os9dude at gmail.com>
> wrote:
> > > > >
> > > > > I'm in. Have a mint condition 4k Color Basic CoCo begging to be
> used
> > > :-)
> > > >
> > > > I will *not* be pulling chips from my CoCo 1, so I'll be using Xroar
> or
> > > > MESS or something ;-)
> > > >
> > > > If I could only figure out how to use MESS. When I get my CoCoSCD in,
> > > I'll
> > > > start working on tutorial pages on CoCoPedia, and parallel my work
> > > setting
> > > > up MESS, etc. I am hoping this will be a good distraction for me this
> > > > winter. Not alot of great stuff going on in my real world right now
> :)
> > > >
> > > >                 -- A
> > > >
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