VirtualC64 V3.3
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New in Version 3.3

  • Preferences

    • All emulator preferences dialogs have been merged into a unified preferences panel.
    • New options in the emulator settings allow the user to customize the actions taken when opening a media file.
    • The input device selection is now retained in the user default storage.
    • JiffyDOS Rom images have been added to the list of known images.

  • CRT Monitor emulation

    • Dot mask emulation has been modified to not darken the screen any more.
    • It is now possible to set the bloom radius individually for each color channel.
    • Cathode rays can be shifted relative to each other.

  • Cartridges

    • Added support for the Expert cartridge.
    • Cardridge buttons are now displayed in the bottom bar as small (clickable) icons.

  • Screenshots

    • Now users can choose whether to save the emulator texture (low res) or the upscaled texture (hi res).
    • If menu item "Save Snapshot..." is selected, emulation is paused until the screenshot has been saved.

  • Audio

    • Upgraded ReSID to the version used in VICE V3.3.
    • While the emulator is running, the sampling rate is adjusted automatically to reduce buffer underflows and overflows.
    • Fixed a bug that made FastSID unusable on audio hardware with a sample rate other than 44.1khz.

  • Joystick emulation

    • The assignment of keystrokes to joystick events has been improved when multiple keys are pressed at the same time.

VirtualC64 V3.2
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New in Version 3.2

  • Added support for Kingsoft, StarDos, and Atomic Power cartridges.
  • Revised the Rom dialog. It can be opened manually in the hardware settings now.
  • Improved the CRT monitor emulation and redesigned the emulator settings window to make video options easier to control.
  • Fixed a bug in the VICII implementation that caused too many rasterline IRQs to be triggered under some circumstances.
  • Fixed a bug in the VICII implementation that caused too many sprite-sprite and sprite-background IRQs to be triggered.
  • Improved the emulation accuracy of the sprite shift register emulation.
  • Fixed several user interface issues in the sprite debug panel.
  • In positional key mapping mode, the left and right shift key are now treated as two different keys.
  • Starting with this version, VirtualC64 offers limited scripting support via Apple's Open Scripting Architecture. It can be controlled remotely via Applescript or JXA (JavaScript for Automation).

VirtualC64 V3.1
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New in Version 3.1.1

  • Screenshots can be taken again (was broken in 3.1).
  • Scanline emulation has been slightly improved.

New in Version 3.1

  • A modified version of the crt-pi shader (CRT for Raspberry Pi) is utilized for CRT monitor emulation. The shader parameters can be adjusted in the newly designed emulator preferences window in real-time.
  • Added support for cartridges of type KCS and EasyFlash.
  • Fixed VICE test fldscroll.prg which was broken since V3.0.
  • Fixed a bug that caused the emulator to read wrong memory results from unmapped Ram in Ultimax mode.

VirtualC64 V3.0
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New in Version 3.0.1

  • VICII bank switching is more accurate.
  • Passing VICE tests spritescan.prg, ss-hires-mc-exp.prg, and ss-mc-hires-exp.prg
  • Milestone reached: VirtualC64 passes the Krestage 3 VICII check.

New in Version 3.0

  • Version 3 is fully compatible with macOS 10.14 Mojave. It also features a new GUI design, improved hardware support and a revised color palette.