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THE VIDEO SHELF · dx7 emulation

Emulating the DX7 the HARD way

An episode of Plogue's chipresearch series on emulating the Yamaha DX7 from the hardware up. It covers the sub CPU and main CPU, address map investigation, cartridges, firmware analysis and a skeleton MAME driver.

Why HN readers recommended it

Recommended in DX7 reverse-engineering threads as a look at the effort behind bit-accurate emulation.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
plgDavid
Topic
dx7 emulation
Format
explainer
Level
advanced
HN recommenders in dataset
3
HN mentions in dataset
3
Recommendation years in dataset
2021–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • Plogue, a Canadian software company, have recently released a (software) emulation of the DX-7 in excruciating detail. Here you can see part of the trouble they went through: [VIDEO] . Suffice to say that they used a logic analyzer to discover gritty details that no …

    tgv on Hacker News · 2021-10
    In Yamaha DX7 Technical Analysis
  • Maybe the closest free plugin, but it's not on the level of accuracy as Plogue's Chipsynth OPS7, which is bit-accurate. The author has an interesting video here, with more to come hopefully: [VIDEO]

    TonyTrapp on Hacker News · 2022-02
    In Yamaha DX7 chip reverse-engineering, part V: the output circuitry
  • I would recommend Plogue's OPS7, they have put considerable amounts of time and effort into reverse engineering the original chips. The interface is a little clunky but it sounds fantastic. [LINK] Edit: a YouTube video about the reverse engineering process from David at Plogue: [VIDEO]

    duniel on Hacker News · 2024-01
    In Reverse-engineering the Yamaha DX7 synthesizer's sound chip from die photos (2021)

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.