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R. Belmont
Cuckoo for IGAvania
Reged: 09/21/03
Posts: 9716
Loc: ECV-197 The Orville
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Re: MAME/MESS PSX MDEC output compared to hardware
03/23/10 09:39 PM
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> Does anyone know if the PlayStation 1 MDEC emulation code in mame/machine/psx.c has
> been compared to actual hardware MDEC output? Is it byte-exact, or is it just an IDCT
> and YCbCr->RGB estimation? Is there any documentation about such a comparison
> available that might include an actual hardware memory dump?

Nobody's done a comparison on that level that I'm aware of, but MAME's MDEC was first to correctly implement a lot of things that common PSX emulators got wrong (e.g. that Cr comes before Cb, not the other way around).






Entire thread
Subject Posted by Posted on
* MAME/MESS PSX MDEC output compared to hardware m35 03/23/10 04:35 PM
. * Re: MAME/MESS PSX MDEC output compared to hardware R. Belmont  03/23/10 09:39 PM
. * Re: MAME/MESS PSX MDEC output compared to hardware Anonymous  03/28/10 03:06 AM
. * Re: MAME/MESS PSX MDEC output compared to hardware m35  03/28/10 06:55 PM

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