Arbee's WIP Emporium (2011/01/02) - 模擬器

http://rbelmont.mameworld.info/?p=597

MESS新進展看圖八

New year, new accuracy
Dr. Decapitator recently read out the internal ROMs for the Super NES “DSP-1
〃, “DSP-2〃, “DSP-3〃, and “DSP-4〃 chips. These are all fairly
low-powered NEC uPD7725 16-bit DSPs used to offload 3D trig calculations in
games like Pilotwings and Super Mario Kart. byuu wrote an emulation core for
this chip for bsnes and kindly donated it to MAME/MESS so now SNES in MESS
has perfect math on games using the DSP as well. And the great thing is the
previous HLE simulation code used for these games was larger than both the
7725 core and the ROMs. So you save a little compile time and memory and get
guaranteed perfect results. I love it!




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