Phil,
Altho' most vid-card manufacturers include ADI drivers, the particular ones
I use are Panacea, Inc. Display List Drivers (DLD386-VGA(tm)) for the
Diamond Turbo VGA (TS4000).
After the initial config, you simply set four DOS environment variables
DLDCFG=C:\driver_dir
DSPADI=C:\driver_dir\driver_name
RDPADI= .. ditto ..
RCPADI= .. ditto ..
Other Autodesk products scan the environment for these pointers, and video
performance is typically 2-4x faster (and, at whatever resolution you
config for). I've got mine set to 640x480x256, and *it seemed* (remember,
this is highly subjective!) that CHAOS was crisper, brighter.
But, spend a week or two staring at Blue-on-Gray AutoCAD, and a TV Test
Pattern looks pretty exciting, too <G>. Let me know if you experience the
same thing.
73, Tom.
I assure you that CHAOS pays no attention whatsoever to any of these
variables; neither does Metashel. I've not a clue what is going on, but is
sure is interesting. It is possible that the SVGA Bios sets something up
that isn't reset if you first run something that pays attention to the
variables. Fascinating.