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16 lines
742 B
Markdown
16 lines
742 B
Markdown
## ZX-TSid
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MOS SID sound card for ZX Spectrum edge connector (ZX-BUS).
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PCB is compatible with SID 6581 and 8580, but also contains integrated SwinSID emulator.
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SID accessible via #xxCF port, where xx - SID's register number.
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You may connect your ZX Spectrum audio output to second 3.5mm jack and it will be mixed in sound card output signal.
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### Changelog & current status
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* Rev.A - initial release with SID, AY and Covox. [Errata](pcb/rev.A/ERRATA.txt).
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* Rev.B - abandoned. Files kept for historical reason.
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* Rev.C - removed AY and Covox. Added SwinSID emulator. PCB is vertical oriented now.
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* Rev.D - improved signal-noise ratio. Added compatibility with turbo CPU modes (7MHz, 14Mhz).
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TODO: check with real SID chip.
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