snes-dsp-python

Project status: Unknown

The NEC uPD77C25 as Nintendo shipped it across four microcodes. The DSP-2 is modelled with its commands proved rather than sampled: the tile conversion exhaustively over all 256 bits, the merge over every input it accepts, and the whole chip differentially against a reference validated on 71,970,987 recorded bytes.

Target software or hardware
Unknown
Work type
Reverse engineering and documentation
Primary public repository
github.com/gufranco/snes-dsp-python
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About and scope

The NEC uPD77C25 as Nintendo shipped it across four microcodes. The DSP-2 is modelled with its commands proved rather than sampled: the tile conversion exhaustively over all 256 bits, the merge over every input it accepts, and the whole chip differentially against a reference validated on 71,970,987 recorded bytes.

Contribution availability

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Sources, builds and releases