For my sound card, I plan to leverage previous work that I did for my 65816 system build. I will refactor the sound card to support my 286. Along with the sound card itself, I have a series of utilities that allow me to create music note by note, capture MIDI keyboard input, and convert songs in MusicXML format into the format I use for my sound card. For more details on the previous version of the sound card, see these posts:
Latest schematic:
Schematic_Sound Card 286_2023-02-19
.pdf
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Address map for sound card core:
