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.
VirtualBox might require some additional settings for JEMM/EMM386. Or
was it VirtualPC?
http://sourceforge.net/tracker/?func=detail&aid=3372331&group_id=5109&atid=105109
Show your config.sys/autoexec.bat :p
> Thanks for the testing and code review!
> Jeremy
I'll get testing a bit later tonight.
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