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by queezey
1243 days ago
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Nintendo 64’s RSP (Reality Signal Processor) was effectively a vector-optimized MIPS CPU, so its “microcode” was really just MIPS assembly. The “micro” aspect of RSP microcode came from the 4KB Instruction Memory and 4KB Data Memory that the RSP had direct access to. The RSP was not a GPU, but it did process display lists before handing them off to the RDP (Reality Display Processor). RSP microcode was used for audio processing, video decoding, display list transform & lighting, as well as other more general processing tasks such as terrain generation. |
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