Hi Roger!
> This is the proof of concept demo for my polar to cartesian
> co-ordinate converter, which does the operation in 93 to
> 114 machine cycles. The converter can reliably be called
> upon to miss exactly one WSYNC if used during the screen
> draw, if it is called before cycle 30 of a scanline. Even
> so it is not as highly optimized as some Stella code and
> I'm sure it can be improved even more. But it is very
> usable as presented here.
It's totally awesome!
Wouldn't you like to team-up and do all the 3D-Math stuff
for my Star Fire project next year?
(I'll probably have to take your code as a base anyway :-))
> The concept is proven in BASIC but converting
> it to 6502 .asm is always fun...
Hehe, in order to do Star Fire I started out doing QBASIC
recently too. My intention was turning Steven Judds
QBASIC version of his 'Polygamy' project into a
3D system that that calculates circles
(Middle X/Y + Radius) only. I'd use that as
'Position + Size' for the Star Fire ships then.
I just didn't have the time to dig to deep
into that yet.
Seems like you're way ahead currently!
Cool stuff. I'll have a printout of your source as
my weekend lecture, so I might comment on that
next week.
Greetings,
Manuel
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