ajxs/yamaha_dx97
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Alternative firmware ROM for the Yamaha DX9 that restores the functionality of the DX7
6 mentions on Hacker News by 1 person: 0 stories, 6 comments · first 2023-07-15 · latest 2025-10-20
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…technical jigsaw puzzle. In my case, it also led to me being able to release a fun firmware mod: https://github.com/ajxs/yamaha_dx97 In case anyone is curious about how I worked, I wrote a bit of a tutorial article:…
comment by ajxs · 2025-10-20 · in Duke Nukem: Zero Hour N64 ROM Reverse-Engineering Project Hits 100% -
…stuck when directly connected to a synth. 0: https://midi.teragonaudio.com/tech/midispec/run.htm 1: https://github.com/ajxs/yamaha_dx97
comment by ajxs · 2024-04-28 · in Synth wars: The story of MIDI (2023) -
…A new firmware ROM that makes the DX9 function more like a DX7: https://github.com/ajxs/yamaha_dx97
comment by ajxs · 2024-01-12 · in Reverse-engineering the Yamaha DX7 synthesizer's sound chip from die photos (2021) -
…in the TRS-80, which the author is writing code for (for this project in case anyone is wondering: https://github.com/ajxs/yamaha_dx97 ). I ran into the exact same issue. I wrote a MAME driver for the target platform, so I could test my…
comment by ajxs · 2023-11-29 · in Unit testing on an 8-bit CPU -
…is another story though. I wrote a MAME driver for the Yamaha DX9 while working on this project: https://github.com/ajxs/yamaha_dx97 I wrote a little bit about the project here in case anyone is interested:…
comment by ajxs · 2023-10-25 · in MAME 0.260 -
…is curious, my latest successful work is hacking the Yamaha DX9 to have the full DX7 feature set: https://github.com/ajxs/yamaha_dx97
comment by ajxs · 2023-07-15 · in Motorola 6800 EXORciser development system simulator