On Aug 5, 2011 3:34 PM, "Bernd Blaauw" <bbla...@home.nl> wrote:
>
> Op 5-8-2011 13:45, Kenneth J. Davis schreef:
> > Work in progress
> > see
> >
http://fdos.svn.sourceforge.net/viewvc/fdos/trunk/source/BASE/devload/devload.asm?r1=138&r2=139
> >
> > or download
> > http://www.fdos.org/kernel/testing/devload.com
> >
> > I will work on releasing 3.25 tonight or tomorrow after I get feedback
> > on the error levels to use and hopefully some suggestions of multi
> > device drivers to test with.
>
> SHSUCDX uses the following errorcodes. 0 has its uses as well, depending
> on situations.
>
> Uninstalled, help, option set
> 1-32 Drive number of first installed drive (A=1)
> 246 Invalid or unknown option
> 247 Unable to uninstall
> 248 Not enough memory
> 249 No drives assigned (ie. not installed)
> 250 No drive letters available
> 251 Unit on driver does not exist
> 252 Invalid or non-existant driver
> 253 Already installed
> 254 Unsupported version of DOS
> 255 386 required
>
> .. and I found differences in
>
> (load + reserve drives, or clear drives, keeping driver loaded)
> SHSUCDX /D9
> SHSUCDX /D9
>
> versus (uninstall, load + reserve)
> SHSUCDX /U
> SHSUCDX /D9
>
> but that's offtopic.
>
> Perhaps SRDUMMY from SRDISK ramdisk driver would work.
> Georg Potthast's USBDISK should assign a driveletter to each found
> device after loading DOSUSB, I think. Thus, how many flash disks can you
> find? :)
>
> > As a side note, on my netbook using similar VirtualBox setup I have
> > found that I can only use devload without any memory managers -
> > something related to no UMBs so I need to see if it is a devload,
> > kernel, freecom or other issue. If anyone can reproduce and/or help
> > track down the memory corruption issue that would be great.
>
> You could start out with developing on MSDOS, see if that works.
> Replace shell by 4DOS or FreeCOM, see if that works
> Replace memory drivers, see if that works
> Replace kernel, see if that works.
>
I plan to do this tonight.
> VirtualBox might require some additional settings for JEMM/EMM386. Or
> was it VirtualPC?
Virtualbox
>
http://sourceforge.net/tracker/?func=detail&aid=3372331&group_id=5109&atid=105109
>
> Show your config.sys/autoexec.bat :p
Your ros??.img floppy was the base, config files not changed but not sure
about programs, was just a random image that was handy.
>
> > Thanks for the testing and code review!
> > Jeremy
>
> I'll get testing a bit later tonight.
>
>
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