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Re: [colorforth] How to recreate the 31 July color.com


Hello, Ray here...

You may have found your info here...

http://www.strangegizmo.com/forth/ColorForth/msg02228.html
followed by part two...

http://www.strangegizmo.com/forth/ColorForth/msg02229.html

Reading the rest and answering soonest...

Ray

On Fri, Feb 22, 2008 at 3:27 PM, Jason Kemp <jason.kemp@xxxxxxxxxxxxxxxx> wrote:
> Dear Charley & John,
>
> Firstly I should have said that I have a (very old) computer that runs
> colorForth and the disk and video work perfectly.  Having saved
> colorForth I also can now boot it directly.  Only the 31 July version
> works though--none of the modified or later variants boot.
>
> What I am trying to achieve is to assemble the 'kernel' source, somehow
> add in the colorForth source (all that which I think available to edit
> from block 18 onwards) and then run this.  MASM compiles and links the
> code to a DOS .COM file, so I then boot the computer with a DOS floppy
> and try running the program.
>
> I've just been trying to find out where I picked up this idea from (I've
> downloaded so many bits and pieces I've lost track) and I've found it
> was zip file of Terry Loveall's 800x600 at
> http://modest-proposals.com/binary/c4-800x600-p2bd-02.zip but this
> specific version didn't work for me.
>
> Jason
>
> John Comeau said the following on 22/02/2008 19:16:
>
> > Hi Jason, the color.com file is what was saved after loading the
> > high-level colorForth code, so it has a lot more data in the lookup
> > tables than does the bare-bones code assembled from the sources. Also,
> > the sources have a glaring off-by-one error that causes code to load
> > at the wrong location, hence Charley's advice might work.
> >
> > But even running it as a DOS program won't help if you don't have
> > exactly the right hardware. You might need to use a different
> > colorForth compiled for your own graphics card.
> >
> > On Fri, Feb 22, 2008 at 11:14 AM,  <cshattuck@xxxxxxxxxxxx> wrote:
> >
> >> I vaguely remember that what was created with an assembler had to be run from a DOS boot disk.  In other words, it's a DOS program, not a native colorforth.  Am I wrong?  Then when and if it runs you can save it as a native colorforth floppy with SAVE.
> >>
> >>  I hope that helps,
> >>  Charley.
> >>
> >>
> >>
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> >
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-- 
Raymond St. Marie ii,

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