A new version of the firmware for the Ultimate-64 by Gideon is released.

Differences with previous official release V1.10:

• Based on the Ultimate-II+ firmware Version 3.4c
• NTSC mode has been fixed, from 262 lines to 263 lines per frame.
• SID autoconfig: If there is just one SID, give it the full address range.
• Speaker volume setting added for U64.
• Various fixes in the VIC sprite generator. This fixes many demos.
• Preparations added for Elite version of the U64 board.
• Adjusted analog colors, thanks to Matt Barszcz.
• Fixed sprite collision register timing.
• Fixed line 137 to 000 rollover. This fixes Lunatico three layer scroller
• Added LED controls for the two Case LEDs
• Fixed tape record to tap file.
• Fixed various CIA issues. This fixed the Expert Cart unfreeze problem. Thanks to David Horrocks
• Refined IRQ timing of the 6502 CPU core.
• Added AC generator to support UserPort cable
• Fixed the order of Flash images, to make SS5 NTSC and TAR NTSC work.
• Fixed RES bit in $D016, should be writable. Thanks to David Horrocks.

Changes to the application, 3.4c, compared to previous 3.4:

• Fixing homedirectory function. Added possibility to use wildcards.
• Fixed file extensions. Makes songlengths load again.
• Significant improvements to the Software IEC module.
• Updates to SID player:
  • Implemented pause feature (using space bar)
  • Pause will now also mute 2nd and 3rd SID chip.
  • Fixed SID version check and SID header relocation.
  • Fixed display issue when SID model or clock is unknown.
  • Updated version of player and copyright year.

Download:

• U64/Ultimate-64 v1.18 (633)

source: ultimate64.com