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

[Louis Ciotti]

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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