Re: colorForth under Qemu

John,

You _can_ save your work. Run 'qemu -h' and read the doc about 'vm', virtual
memory. You have to switch to the qemu console using 'Ctrl-Alt-xx' key (can't
remember whether xx is 'F1', 'F2' or '1' and am not running a qemu capable
system right now). After making any changes, save the state to <file> (you
name it).

The next time you start up, use '-loadvm <file>' with file the saved image.

When I checked it out, the saved image started at something like offset 0x56
from the beginning of the vm file. You could even go in and chop out your
changes with a binary editor and save them.

Regards,
Terry

On Tue, 20 Dec 2005 10:19:49 -0800 (PST)
John Drake <[email protected]> wrote:

> 
> 
> --- Terry Loveall <[email protected]> wrote:
> 
> > To answer my own question, I have got my modified
> > 800x600 colorForth to _run_
> > under qemu-0.7.0. Won't boot 'cause the qemu
> > emulated floppy interface is not
> > set up at fd chip level. Probably would work if the
> > floppy I/O was BIOS based.
> > 
> > Instead, I have a bare DOS boot image with just
> > io.sys, msdos.sys, command.com
> > and c4.com. Tell qemu to boot this floppy image and
> > when it comes up to a DOS
> > command line, execute c4.com. This loads into memory
> > and then copies 64k to
> > address 0 and runs colorForth, so the floppy I/O is
> > never used.
> > 
> > You have 64k of colorForth and block screens. The
> > 'alt' key used is the _left_
> > alt key. Aside from that and not being able to write
> > to floppy, colorForth
> > works just fine.
> 
> Hello Terry.  Due to the fact that my main 
> ColorForth machine is on it's last legs I
> decided to give this a try.  (Often I just use
> CFW, but lately I was trying to do some stuff
> that isn't working under it.  More on that in
> another post).
> 
> Anyway I'm running Windows XP.  For anyone else
> that's following this route, I wrote a batch
> file similair to your qemu.sh:
> 
> qemu\qemu -L qemu\ -localtime -user-net -boot a -fda
> c4th.img
> 
> Basically I just needed to reverse the slashes
> and remove the $@ at the end.
> 
> Not being able to save my colorforth work under
> it is a drag.  It's interesting that I can save
> to the "DOS image" (like creating "copy con"
> text files.)  
> 
> Anyway, thanks for the work.
> 
> Regards,
> 
> John M. Drake
> 
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