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Category: Ultimate 64
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zip.png Ultimate 64 Firmware v1.02

Changelog:

  • Sprite Collisions.
  • Illegal graphics fetches.
  • Sprite DMA timing.
  • Nuvie Player.
  • NMI handling improved in 6502.
  • Illegal reads when BA=0 masked out (“PLA” issue)
  • Added debounce on Restore Key.
  • KCS power cart fixed (sprite graphics error)
  • HDMI/DVI Compatibility.

.. and there are many improvements not present in the changelog.

07-03-19 English Commodore 64 1.32 MB 40.00 Download
zip.png Ultimate 64 Firmware v1.06

Ultimate 64 firmware v1.06:

  • SpeedDOS Parallel Cable (needs e.g. DolpinDOS roms)
  • Interface type: Ultimate Menu picture overlay (HDMI-only)
  • USB keyboard support. Like earlier firmware, press scroll/lock to enter/exit the Ultimate menu.
  • Replacement of Charrom and BAISC

Note for the Ultimate 64:You will need a kernel, basic and character rom after the upgrade. These roms are not included in the update. These roms are distributed with vice-emu, but you can also find them on zimmermans.net.

For instance, you could use these roms: 901225-01.bin (char), 901226.bin (basic) and 901227-03.bin (kernal). Roms with the .rom extension should also work.

07-03-19 English Commodore 64 1.26 MB 77.00 Download
zip.png Ultimate 64 Firmware v1.0B

Apparently the version numbers are hex and not decimal.

Differences with previous official release V1.06

  • SID has been improved quite a bit.
    • The internal SID is now consistently referenced as "UltiSID", to avoid confusion with other SID products.
    • Various bugs, like the phase of the filters, and the routing of Voice 3 when the VOICE3OFF bit was set have been corrected.
    • A number of SID filter curves have now been implemented and can now be chosen from the configuration menu.
    • The resonance can be changed to two different settings.
    • Combined waveforms can now be selected between 6581 and 8580.
    • Internal bus charge in the SID is now emulated.
  • The 6502 core has been improved. All 'stable' illegal instructions are now fully operational:
    • SLO $07 $17 $03 $13 $0F $1F $1B
    • RLA $27 $37 $23 $33 $2F $3F $3B
    • SRE $47 $57 $43 $53 $4F $5F $5B
    • RRA $67 $77 $63 $73 $6F $7F $7B
    • SAX $87 $97 $83 $8F
    • LAX $A7 $B7 $A3 $B3 $AF
    • DCP $C7 $D7 $C3 $D3 $CF $DF $DB
    • ISC $E7 $F7 $E3 $F3 $EF $FF $FB
    • ANC $0B
    • ANC $2B
    • ALR $4B
    • ARR $6B (including decimal mode!)
    • SBX $CB
    • SBC $EB
    • LAS $BB
    • LAX $AB is stable with constant 00.
  • U64 settings are now restored when the machine resets. This resets the SID settings after using Auto Config + internal SID player.
22-02-19 English Commodore 64 1.34 MB 48.00 Download
zip.png Ultimate 64 Firmware v1.10
Differences with previous release V1.0B
  • Based on Ultimate-II+ firmware Version 3.4
  • NTSC mode has been added. The switch can be found in the U64 Specific Settings menu
  • Added rudimentary support for USB Floppy disks (not completely done yet; as removal of floppy is not yet detected)
  • USB problems with low/full speed devices fixed; no more bus hang-ups in these cases. (No full HID support just yet..)
  • VIC collision problem fixed.
  • Improved 1541 compatibility; weak bit areas and floppy speed zones are now properly supported.
  • Various improvements 'under the hood'
07-03-19 English Commodore 64 1.5 MB 51.00 Download