R. Belmont |
Cuckoo for IGAvania
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Reged: 09/21/03
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Posts: 9716
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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
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> 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.
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