Issues

• VIC-IV variable height characters via a GOTOY mechanism

  enhancement
  Feature

  MEGA65/mega65-core#956 · Filter by author gardners opened on Oct 24, 2026
  1

  

• Implement the long promised hardware spreadsheet accelerator

  enhancement
  Feature

  MEGA65/mega65-core#954 · Filter by author gardners opened on Oct 20, 2026
  1

  

• SD card cache

  enhancement
  Feature

  MEGA65/mega65-core#953 · Filter by author gardners opened on Oct 16, 2026
  

• [MEGAFLASH] Not-Slot0 Warning on help screen

  Feature

  MEGA65/mega65-core#950 · Filter by author lydon42 opened on Oct 4, 2026

• High-bandwidth async port to Attic RAM for internal devices

  new
  Feature

  MEGA65/mega65-core#949 · Filter by author gardners opened on Oct 4, 2026
  

• Cartridge Port I/O for $DF page has unreliable read behavior (that does not affect $DE page)

  subsys:cartridge
  Bug

  MEGA65/mega65-core#948 · Filter by author idun-project opened on Sep 6, 2026 · Volunteer Project
  3

• 32-bit debugger breakpoints

  Feature

  MEGA65/mega65-core#945 · Filter by author dansanderson opened on Aug 25, 2026

• Cart port: side-channel to let cartridges assert /RESET on R3 (RX UART on /IRQ)

  experiment
  Feature

  MEGA65/mega65-core#942 · Filter by author woepaul opened on Aug 13, 2026
  3

  

• Docs: Audio-DMA can assert CPU irq_pending in current core

  MEGA65/mega65-core#941 · Filter by author novemberist opened on Jul 31, 2026

• Common RTC interface is unclear for persistent RAM access

  enhancement
  Feature

  MEGA65/mega65-core#939 · Filter by author lydon42 opened on Jul 8, 2026

• [MEGAFLASH] Persistent core boot slot

  Feature

  MEGA65/mega65-core#938 · Filter by author lydon42 opened on Jul 8, 2026 · Volunteer Project
  1

• Second buffered UART pinout for MEGAphone Prototyping

  enhancement
  Feature

  MEGA65/mega65-core#932 · Filter by author gardners opened on Dec 29, 2025 · [R0.98] MEGA65 Release 0.98
  1

• Cursor key disambiguation bits have a race condition

  new
  Bug

  MEGA65/mega65-core#927 · Filter by author KeithHenrickson-Retro opened on Oct 12, 2025
  1

• HDMI Colour Space is Limited not Full

  Bug

  MEGA65/mega65-core#925 · Filter by author gardners opened on Oct 11, 2025 · [R0.98] MEGA65 Release 0.98
  3

  

• Colour RAM can be written from unintended address ranges.

  bug
  Bug

  MEGA65/mega65-core#923 · Filter by author MassiveBattlebotsFan opened on Oct 3, 2025
  1

• Some attribute implementations not matching VIC-III behaviour

  new
  Bug

  MEGA65/mega65-core#922 · Filter by author ki-bo opened on Oct 2, 2025

• Simple memory protection scheme

  enhancementexperiment
  Feature

  MEGA65/mega65-core#921 · Filter by author gardners opened on Sep 30, 2025
  2

• [VIC-IV] Colourram unintentionally wraps around at 32kb

  bug
  Bug

  MEGA65/mega65-core#918 · Filter by author lydon42 opened on Sep 17, 2025

• GO64 Background sprites show/hide incorrectly with multicolor characters enabled (compared to C64)

  bug
  Bug

  MEGA65/mega65-core#917 · Filter by author jeffreyvanderschilden opened on Sep 15, 2025
  2

• "FCOL" non-MCM 8-bit palette entry text mode

  new
  Feature

  MEGA65/mega65-core#916 · Filter by author dansanderson opened on Sep 8, 2025
  1

• VIC-IV RRB Wrap-around messes up displays

  bug
  Bug

  MEGA65/mega65-core#914 · Filter by author gardners opened on Aug 30, 2025 · [R0.98] MEGA65 Release 0.98

• HYPPO dos_chdir trap doesn't set return value correctly.

  bug
  Bug

  MEGA65/mega65-core#913 · Filter by author gardners opened on Aug 29, 2025 · [R0.98] MEGA65 Release 0.98
  

• Current behaviour of the reverse video bit in FCM makes no sense

  bug
  Bug

  MEGA65/mega65-core#912 · Filter by author gardners opened on Aug 10, 2025 · [R0.98] MEGA65 Release 0.98
  

• SD-Card silent_sdcard flag and f011_swap_drives seem not to interact well

  bug
  Bug

  MEGA65/mega65-core#911 · Filter by author lydon42 opened on Jul 27, 2025

• Implement DMA fully

  enhancement
  Feature

  MEGA65/mega65-core#910 · Filter by author MirageBD opened on Jul 14, 2025
  7