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sdd1
Here are 15 public repositories matching this topic...
Street Fighter Alpha 2 and Zero 2 with the S-DD1 decompression chip designed out. A plain 96 Mbit SNES ROM, no coprocessor and no mapper hardware, that runs from any flash cartridge able to hold it. Built from your own cartridge dump; no game data is distributed.
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
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Updated
Sep 2, 2026 - Python
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
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Updated
Sep 2, 2026 - Python
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