SwinSID Ultimate (SID Chip substitute for Commodore 64)

Description

The SwinSID ultimate is a modern replacement for the SID chip of the Commodore 64.  It is more or less fully compatible and price competitive with a used SID chip from the 1980s.  Please do not confuse this with the SwinSID Nano, which is an inferior product.

• It has full feature compatibility with the original SID (over the old SwinSID):
  paddle/mouse support
• readable registers (OSC3/ENV3)
• external audio in
• bitfade
• proper ADSR-bug support
• fast ADSR attack rate (thanks to the self-correcting rate-counter)
• ‘Lazy Jones’ and ‘180’ -like gate and test-bit workaround (no missing note)
• proper 23bit noise-waveform calculation –> better “random” numbers
• full 3V p-p output range w/o 1KOhm load (same as 8580)
• improved filter quality (16bit) and resonance-table for both SID model
• improved waveform calculation (full 16 bit)
• high resolution combined waveform-tables

It even has enhancements over the original SID:

• clean anti-aliased bandlimited sound at high pitches
• undistorted mixed digi tunes and eliminated volume-change click thanks to AC/DC separation of master volume register
• Softconfig — software configurable options for a number of aspects of the operation
• LEDs which intensity represents the active channels volume
• LED displaying the active (classic) digi playback
• or in case of the new Mahoney-digi, the entire array acts like a VU-meter

Additional information