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fpgaSID (Stereo 6581/8580 Replacement) by andi6510

fpgaSID (Stereo 6581/8580 Replacement) by andi6510

Non ho resistito alla tentazione e ho voluto provare anche questa nuova implementazione FPGA “speriamo sia l’ultimo!” del SID (Sound Interface Device) 6581 / 8580, sto parlando dell’fpgaSID di andi6510.

Probabilmente questa e’ la migliore implementazione utilizzando un FPGA del chip sonoro del Commodore 64, se facciamo una veloce comparazione con l’implementazione fatta da Gideon per l’Ultimate-64, sono ambedue le migliori di sempre.

Resta comunque inteso che gli audiofili e puristi del suono generato dal SID originale non accetteranno mai qualsiasi implementazione del SID via FPGA.

Andi6510 inoltre ha scritto un software per Commodore 64 (ConfiGuru) per configurare le varie opzioni dell’fpgaSID e la possibilita di aggiornare il firmware.

fpgaSID (Stereo 6581/8580 Replacement) by andi6510

Di seguito alcune informazioni prese dal sito di andi6510 in Inglese.

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

Gallery:

Video:

source: fpgasid.de

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