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changes.txt
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Changes in 3.10i, compared to 3.10a
-----------------------------------
Background:
If you would take some time to check the commit history of the repository
at GitHub, you may find over 500 commits since the last released version, 3.10a.
This is a lotttt more than it usually takes to release a next firmware version.
The version is still 3.10, so there are not many functional changes. Yet, files
have been touched, updated, or just made compatible with the new Ultimate-II+L
hardware. It was more difficult than expected to get the Lattice FPGA to work
correctly and keep compatibility with the existing hardware platforms.
On top of the new introduction of the Ultimate-II+L, there is still a need to
support the "good old" 1541 Ultimate-II (or simply: U2). There have always
been issues with the Microblaze processor and the compiler from Xilinx. Every
version of the Xilinx compiler had different bugs that caused the Microblaze
based firmware to be broken in one way or another. Since the U2+L runs well
on the Risc-V, it was decided to upgrade the CPU inside of the U2 and ditch
the Microblaze forever. Unfortunately, the CPU that was chosen to run inside
of the U2+L did not fit in the same space as the Microblaze clone, so I
decided to write my own Risc-V compatible CPU. This is the CPU that will be
used from now on in the 1541 Ultimate-II.
Fixes:
[Important] Fixed ExFAT filesystems with 128kB clusters
(Fixes failing D64 mounts from some ExFAT thumbdrives)
[Facebook Discussion] EasyFlash save function now saves all chip chunks to
support incomplete CRT files
[Issue-271] GEORAM at boot (MarkusC64)
[Issue-279] Support for 2 MHz operation for any cartridge, including EasyFlash
Minor fixes in the modem emulation layer from Scott Hutter (xlar54)
U64 only: Multicolor graphics side border bug (core version V1.41 => V1.42)
Additions:
Firmware target added: Ultimate-II+L; the Lattice version!
System Information page now shows elaborate version info.
GEOS support functions from MarkusC64
Cartridge Support:
[Issue-314] Added support for Blackbox V9.
Changes in 3.10a, compared to 3.10
----------------------------------
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]: Fixed starting Kingsoft Business Basic cartridge
[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).
====================================================
Changes in 3.10, since official release (3.9 / 1.37)
----------------------------------------------------
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