Thomas wrote:
> I'm not doing too terribly (see
> http://www.youtube.com/watch?v=hcMiB1ZkukM
> for my attempt at a Cobra Mk 3 versus the Spectrum original),
Great work!
> Dead Wild Cat
Never looked at the disassembly of that, but can remember the distorted
perspective when it was running.
In fairness, I'm not completely comparing like for like in that video.
I am doing realistic 3d engine stuff of creating one view matrix to
represent the orientation and location of the camera, a separate
transformation matrix to represent the orientation and location of the
model, then composing t
The DWC demo is about 450K file, and I believe that a lot of this is tables
for multiplying and dividing etc. You say that your divide routine costs
2000 cycles is this each time you divide? How fast is the multiply routine?
Dave
- Original Message -
From: "Thomas Harte" <[EMAIL PROTE
Yep, I think I'm on approximately 2000 cycles for every divide. There
are no special cases and no tables are used. That number was arrived
at through the Sim Coupe debugger, so shouldn't be too inaccurate,
though it obviously won't be completely dependable because of the
usual RAM access ti
From: "Thomas Harte"
... dead wild cat demo ...
I'm don't remember this demo Where can it be found ?
BTW If you need some help with optimizing your (multiply/devide) code.
I'm always in for some byte/T-state banging :-)
Edwin
It's originally on Fred 50, but not really in the sense that you have
to expand it to another floppy disk and then boot it off that. But,
here, I'll save you the effort of all that:
http://members.allegro.cc/ThomasHarte/temp/DWC.DSK
The more I watch it, the more I become convinced that it's
If i remember correctly alot of divides in 3d systems on older platforms
can actually be a nice big table ;)
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Edwin Blink
Sent: 16 May 2008 22:00
To: Adrian
Subject: Re: In pursuit of Dead Wild Cat
From: "Th
