> 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).
|