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FPGASID

Introduction

The chip MOS6581 also known as the Sound Interface Device (SID) of the Commodore 64 computer is known for it's characteristic sound. Unfortunately, many of these devices produced between 1982 and 1993 reach the end of their life span these days. It is getting harder to get a replacement part. Thus, we need a proper substitute.
And this is what the FPGASID project is all about!
It has been started to overcome with this situation and reaches even higher - it aims for a better SID than any SID has ever been before...

The Mission

  • Create a pin compatible drop-in replacement for the MOS6581 device as well as for its successor, the MOS8580.

The Targets

  • To-the-cycle exact reproduction of all digital parts including sound and envelope generation and paddle readouts.
  • Exact modeling of the analog parts leading to a result that is almost indistinguishable from the original.
  • Making it configurable to easily switch between various SID variants
  • Adding extra features like wavetables, stereo sound, more voices etc while keeping full compatibility.

The Means

  • Use of FPGA technology. It is more suitable than software related emulation.

Messages

  • A word on Protection of (Your!) Personal Data In Europe we have a new legal regulation on data security which became effective end of May. Basically this regulation limits the amount of personal data that can be collected ...
    Posted Jun 8, 2018, 1:05 PM by andi6510 The FPGASID Project
  • ConfiGuru - the new configuration tool for FPGASID Since release 6 FPGASID has it's own configuration tool named 'ConfiGuru'!I have updated the project Details page with some details on ConfiGuru and I have added a separate ...
    Posted Jan 5, 2018, 8:18 AM by andi6510 The FPGASID Project
  • Firmware 06 released New firmware release with some new fancy features:Save your FPGASID configuration permanently to flash.Update the firmware directly from the C64 without a USB-Blaster.Enjoy the new configuration ...
    Posted Dec 23, 2017, 3:04 PM by andi6510 The FPGASID Project
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The Result

  • This is what came out so far:
  • FPGASID will be available beginning of in 2018.
  • Meanwhile reserve your FPGASID here!