A new version of the firmware for the Ultimate-64 (U64/U64E) / U2 / U2+ by Gideon is released.

This release has again some significant changes and improvements over 1.37 / 3.9. The following bullet list gives an overview of the features and fixes. Below the items, a short explanation is added.

This release has again some significant changes and improvements over 1.37 / 3.9. Please read the manual before installing 3.10a.

Fixes:

• [Issue-246] Fixed: Virtual Printer crashes when file cannot be created.
• [Issue-234] Deleting last item in directory makes selection invisible
• [Issue-236] Confirmation modal asking a question only gives ‘OK’ instead of ‘Yes/No’.
• [Issue-R17] Added mapping of ESC key to RUN/STOP.
• [Facebook Request] Added: Leave menu on mount (can be selected per drive)
• [Facebook Bug Report]: Allow Maverick (and others?) to write wrong sector headers on MFM tracks.
• [Facebook Bug Report]: Unable to select GeoRAM. Is now a mode of the RAM Expansion Unit.
• [Facebook Bug Report]: Fixed color palette not loaded at boot (U64 only).
• [Facebook Bug Report]: Fixed USB sticks not recognized
• [Messenger Report]: Improvements to palette file read. Rejects faulty files. Fixes hang-up
• [Messenger Report]: Fixes ‘Create DNP’ when run from Telnet. Turned out to be a stack overflow.
• [Email Discussion]: Adds EEPROM segment to GMOD2 when it is missing in the CRT file

U2:

• Fixes that U2 updater killed the flash before asking to update, leaving a semi-bricked device.
• Fixes drive sounds.

Modem:

• ACIA NMI pulse extension to extend over bad line. This allows the 6502 to see it always.
• Performance optimization ACIA / Modem
• Allow spaces after ATDT command.

Cartridge Support:

• Additional C128 cartridge variant that allows banking and offers some RAM (U2/U2+ only).

Download:

• U64/Ultimate-64 - U2 - U2+ v3.10a (Core: v1.41) (621)
• Installation and User Manual V3.10 (812)
• Ultimate 64 Starter Pack supporting FW 3.10 (870)

source: ultimate64.com github.com