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gufranco / snes-street-fighter-alpha-2-nochip

Star 16

Tooling that rebuilds Street Fighter Alpha 2 and Street Fighter Zero 2 for the Super Nintendo with the S-DD1 decompression chip designed out, held to snes9x's own decompressor and to the retail cartridges you supply

emulation reverse-engineering decompression snes romhacking coprocessor capcom super-nintendo snes9x 65816 spc700 flashcart sd2snes retro-gaming sdd1 street-fighter-alpha-2 game-doctor rom-patching street-fighter-zero-2 fxpak-pro
  • Updated Nov 3, 2026
  • Python

gufranco / snes-sdd1-python

Star 0

SNES S-DD1 decompressor in Python. Checked against the snes9x reference decoder on 4,000 golden vectors covering all 16 plane and context combinations, generated from pseudo random input so the evidence ships without any game data

emulator compression nintendo emulation reverse-engineering decompression snes retrocomputing coprocessor super-famicom super-nintendo hardware-emulation arithmetic-coding entropy-coding retro-gaming sdd1 star-ocean street-fighter-alpha-2 s-dd1 golden-vectors
  • Updated Nov 3, 2026
  • Python

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