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 3.10.

Added features:

• Hardware emulation of 1571 and 1581 drives (U2+ / U64 only)
• MFM support on 1571, with enhanced G71 format to store MFM tracks.
• Added audio samples for insert / remove floppy disk.
• Added second drive sound to speaker output.
• Possiblity to use your own drive sound samples.
• Custom U64 palettes.
• SystemInfo Page, showing drive, cartridge and storage status.
• Flash Disk, to store drive roms, sounds, cartridges and such.
• Cartridges are now always CRT files. Selected by filename in the config.
• Cartridge compatibility check and reporting
• GMOD2 support, including EEPROM (U2+ / U64 only)
• Zaxxon Cartridge support.
• Implemented writing CVT files back to a disk image (enables copying CVT files across disks.)

Various UI Improvements:

• Select & Delete, using Shift-DEL
• Recursive delete from context menu.
• Long filename truncation (thanks to ‘naali’ / Antti Svenn)
• Scrollable string edit box.
• Adds save function for all cartridges, including EasyFlash and GMOD2.
• Full Clear function of configuration in Flash.
• Added ‘F3′ Help screen to config menu.

Technical Fixes:

• Fixed RGB mode (U64 only)
• Fixed block read command
• Fixed access of files with special chars in CBM disk images, accessed from IEC
• Fixed UCI issues with SidPlay and others
• Fixed colon issue in Ultimate Kernal ROM
• Fixed crash on invalid file chain CBM filesystems
• Fixed check order DIR / VOLUME; fixes some issues with exFAT directories
• Added M and V commands in modem emulation layer, V now supporting numeric responses. Thanks Scott Hutter
• Fixed the root cause of the VOLUME bit set in exFAT directories
• Fixed missing ‘probe’ for filesystems on multi-partition disks
• Fixed loading from wrong device ID when issuing the ‘run disk’ command
• Fixed many little bugs in the generation of CVT files (copying GEOS files from a disk image)
• Adopted changes to U64 Kernal to set default loading ID, as submitted by Leif Bloomquist
• Adopted USB modifier key handling, as submitted by Peter de Schrijver
• Corrected bug in extended partition table reading
• Relaxed C128 cartridge timing (for C128 carts)
• Extended UCI I/O bytes to support Hyperspeed Kernal properly
• Check for file copy onto itself
• Increased robustness against loading faulty disk images
• Fixed VIA latch mode in 1541/1571.
• [Issue 227] Fixes ‘get sensible name’ function for Ulticopy
• Fix for .d71 sector allocation – format should give 1328 blocks free, not 1347.
• Fixes possible crash when decoding a GCR track to binary
• [Issue 160]: SpeedDOS / DolphinDOS loading errors

Download:

• U64/Ultimate-64 - U2 - U2+ v3.10 (Core: v1.41) (587)
• Installation and User Manual V3.10 (812)
• Ultimate 64 Starter Pack supporting FW 3.10 (869)

source: ultimate64.com github.com