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Speak&SID CPC

A Speech Synthesizer and SID Soundcard for the Amstrad CPC

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Speak&SID CPC is a low cost SpeakJet-based speech synthesizer for the Amstrad CPC, a SID soundcard, and a multi purpose IO expansion featuring a Serial Interface (UART), 4 GPIOs, I2C, and SPI. It emulates the Amstrad SSA-1 speech synthesizer. A SID Player exists. For the SID, the Speak&SID can utilize the original 6581 (requires external 12 V), the 8580 (requires external 9 V), as well as SwinSID and ARMSID (which do not require the extra PSU, but will be powered by the CPC with the rest of the board instead). The firmware is open source on Github.

Second SID Player Demo - Line Out Recording and LED "Lightshow":


First PCB Version & SID Player Demo:


Breadboard Prototype - First SID BASIC Test:


Breadboard Prototype - Amstrad SSA-1 Emulation Test:

bom.jpg

Bill of material

JPEG Image - 165.08 kB - 11/04/2019 at 18:58

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speaksid.pdf

Schematics

Adobe Portable Document Format - 162.72 kB - 11/04/2019 at 18:58

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speakandsid.hex

ATMega 8535 MCU Firmware v1

hex - 7.14 kB - 11/04/2019 at 18:43

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speakandsid.jed

Xilinx XC9536 CPLD Firmware v1

jed - 25.74 kB - 11/04/2019 at 18:43

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speak&sid.zip

Gerbers

Zip Archive - 156.46 kB - 11/04/2019 at 18:40

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  • 1 × SpeakJet
  • 1 × ATMega 8535
  • 1 × Angled 50 PIN 2x25 IDC Connector
  • 2 × Momentary On Push Buttons
  • 1 × Power Jack Barrel Connector

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