Why is FPGASID the better SID?

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

    • The price is 79,99€ including 19% VAT (VAT will be deducted for non-EU customers).

    • Sales will be handled by Kryoflux GmbH: https://webstore.kryoflux.com