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Копия с ГитХаб Мультисаунд от Евгения Лозового
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README.md

ZX-MultiSound

Sound card for ZX Spectrum (NemoBus).

photo

photo

Tech specs

  • TurboSound FM (2xYM2203)
  • General Sound (16MHz, 1024Kb of RAM)
  • SAA1099 (use port #FF/#1FF to access SAA chip, write #F7/#FF to #FFFD port to enable/disable SAA)
  • SounDrive (ports #0F, #1F, #4F, #5F)
  • MIDI synthesizer (controlled via YM(AY) chip - compatible with ZX Spectrum 128K / ZXUNO)
  • Low profile PCB: 170x64mm
  • 5V and 12V power required
  • 4x 1-bit digital DACs for GS and SounDrive

Changelog & current status

  • Rev.A - first release. Please note the errata;
  • Rev.A1 - fixed known rev.A issues. Please note the errata.
  • Rev.A2:
    • Fixed Z80 clocking - added buffer;
    • Fixed 3.5mm jack footprint swapped left-right channels;
    • Fixed misplaced R20 and R34 labels on silkscreen;
    • 74LVC1G125DB replaced by 74AHCT1G125DB;
    • C3,C5,C17,C18 slightly moved left;
    • Added ledge on edge connector;
    • Improved SAM2695 footprint for hand soldering. Sound card has been tested only with ZX Evolution. You can use it with another computer at your own risk.

Related projects

  • Turbo Sound FM - link
  • ZXM-SoundCard - link
  • ZXM-GeneralSound - link
  • NeoGS - link