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Ultimate64 Firmware v Ultimate64 Firmware v1.24

Difference with previous release V1.21 / V1.22 (Initial Elite release)

Changes / Improvements to the U64 FPGA:

  • Added Drive B activity to the possible Case LED outputs.
  • Increased the number of UltiSIDs from two to eight.
  • Fixed Jailbar issue on HDMI output.
  • Fixed a Ledstrip issue that slipped into one of the previous versions.
  • Improved EMC performance.
  • Added Paddle Swap for the U64 Elite.
  • Increased application CPU performance.

Changes to the Ultimate 64 application:

  • Added support for 8-SID configuations.
  • Split the U64 configuration settings for better overview.
  • Added possibility to load / save and reset configuration settings.
  • Added the possibility to have temporary configuration settings.
  • Added choice of which UltiSID causes the LED strip to light up.
  • Added a Visual SID addressing editor.
  • Added detection and real time configuration of FPGASID.
  • Added detection and real time configuration of SwinSid Ultimate.
  • Added detection and real time configuration of ARMSID.
  • Fixed screen title when connecting to the machine through Telnet.
  • Added joyswap to the configuration menu.
  • Option to use Final Cart V1/V2 re-enabled.
  • Upgraded the OS to a newer version.

Unreleased work:

  • Flashing the ESP32 WiFi module from the file browser menu.
  • “Drive C” – software 1581 emulation by Scott Hutter .

Planned work for the upcoming release:

  • Keystrokes to quickly enable / mute audio channels
  • Connection between the ESP32 and the C64
  • A sample project for the ESP32, which can be used for others to port stuff like modem emulation.


System Commodore 64
Size1.53 MB