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Nestronic Video Game Music Synthesizer (Alarm Clock)
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Topic: Nestronic Video Game Music Synthesizer (Alarm Clock) (Read 892 times)
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dkonigs
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Nestronic Video Game Music Synthesizer (Alarm Clock)
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August 05, 2018, 06:18:44 am »
So this is a project I've been working on for most of this year. Its a crazy attempt to build something that combines a retro CPU with modern hardware, and its also my first foray into no longer being afraid to work with surface-mount components. I figured it was time to start sharing it more broadly, so here goes...
The Nestronic is a hardware VGM (Video Game Music) player for the NES APU (Audio Processing Unit), with a real-time clock. It is based on the ESP32 microcontroller, combined with an original RP2A03 (6502-based NES CPU). The two processors communicate with each other over I2C.
For more information about the project, at least through revision A of the hardware, please see these blog posts:
http://hecgeek.blogspot.com/2018/02/nestronic-1.html
http://hecgeek.blogspot.com/2018/03/nestronic-2.html
http://hecgeek.blogspot.com/2018/05/nestronic-3.html
http://hecgeek.blogspot.com/2018/07/nestronic-4.html
I just finished a video covering the complete assembly process for the revision B hardware:
https://youtu.be/UlO0NQTAaJU
All of the project designs and source code is here:
https://github.com/dkonigsberg/nestronic
(Yes, I even used issue reports to describe hardware changes between revisions.)
If anyone is curious to learn more about the VGM format, it is described here:
http://vgmrips.net/wiki/VGM_Specification
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Nestronic Video Game Music Synthesizer (Alarm Clock)
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