FPGASID Installation and First Impressions


Kieferkn Stern receives the final production version of the FPGASID and installs it on a C64 Reloaded Mk2. Kieferkn goes over both the installation and the configuration of the FPGASID with ConfiGuru.


Accurate replication of the original SID MOS6581 and MOS8580

  • Exact reproduction of the digital sound generation part
  • Spice simulation of the analog filters
  • Advanced models for all 6581 non-linearities

Many extra features on top of the original SID

  • FPGASID includes two fully functional SIDs for 6-voice stereo sound
  • Perfect audio quality – much better than the original SID!
  • Pseudo stereo mode mixes traditional tunes or game sounds to stereo
  • Digitize the analog input to 8-bit samples (in your own software)
  • Sample playback of 8-bit samples (in your own software)
  • Nice light organ effect visible when mounted in transparent case
  • Paddles readout even more accurate than the original SID

High compatibility

  • Works in any C64/SX64 or C128
  • Works with any software written for standard single SID computers
  • Works with large existing software base for dual SID stereo tunes
  • Paddle and 1351 Mouse support
  • Analog input EXTIN fully supported

Easy configuration with the software tool ConfiGuru

  • Individual configuration of every SID
  • Easy- and Expert configuration modes
  • Save up to two configuration sets permanently in flash memory
  • Easy update to new firmware directly on your C64
  • Flexible address allocation of the second SID
  • Diagnostic function to troubleshoot hardware problems

Easy installation

  • Installation done in 20 minutes
  • No soldering required for all main features (except external configuration switch, when needed)
  • Much smaller than traditional stereo boards thus avoiding installation trouble

Price and Availability

  • Market Introduction price will be 74,95€ including 19% VAT (VAT will be deducted for non-EU customers).
  • Sales will be handled by Kryoflux GmbH: https://webstore.kryoflux.com


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