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R. Belmont
Cookoo for Konami
Reged: 09/21/03
Posts: 9552
Loc: ECV-197 The Orville
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Re: Another, is there any known issues of i960/sharc emulation so far? I'm also working on the color-lighting of model-2
12/02/16 05:52 PM


> Attatched is the "xlat" table taken from manxtt.
> The 1st pass the CPU writes near perfect curve, see the green track (using some
> float-point square-root algorithm I think, as some of i960 opcodes are unable to
> dis-assemble so far);
>
> However, the CPU writes it the 2nd pass, this time all odds units are changed to a
> weired shape(see yellow track).
>
> Any idea?

There are definitely i960 instruction bugs. SHARC is fairly well trusted because a lot of Konami games use it for transform and lighting, but probably not bulletproof.







Entire thread
Subject Posted by Posted on
* Tuning model-2 tgp makes vf2 and dynamcop works, but frozen/crashes daytona... Naibo 08/28/16 09:51 AM
. * Re: Tuning model-2 tgp makes vf2 and dynamcop works, but frozen/crashes daytona... Vas Crabb  08/28/16 08:27 PM
. * Re: Tuning model-2 tgp makes vf2 and dynamcop works, but frozen/crashes daytona... Naibo  08/28/16 09:52 AM
. * Another, is there any known issues of i960/sharc emulation so far? I'm also working on the color-lighting of model-2 Naibo  08/28/16 10:14 AM
. * Re: Another, is there any known issues of i960/sharc emulation so far? I'm also working on the color-lighting of model-2 R. Belmont  12/02/16 05:52 PM

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