For now, Debug GUI is always visible, another solution may be available in the next release. Removed Drawer from Monitor/GUI Debugger which is deprecated by Apple and was not working in Fullscreen.Fixed copy/paste in Debug Monitor and Sector Editor.Removed built-in Basic for 400/800 type machines for more accurate emulation, and removed seperate OS A/OS B machine types.Many core emulator fixes around Pokey, ANTI, GTIA, PIA, and CPU.

This means the emulator will now work out of the box without external ROMs

Added support for AltirraOS 400/800, AltirraOS XL, Altirra 5200 BIOS and Altirra BASIC.Integrated features from atari800 emulator core, version 4.2, including:.Add Touch Bar contatining special Atari keys for use on laptops with Touch Bars.Added 80 column card selection pull down to Media Center.Added option to maintain Atari screen aspect ratio in fullsize.This elimiinates the need for a Fullscreen GUI, since the normal Mac windows and dialogs work in Fullscreen now. Changed Fullscreen to use true MacOS Fullscreen, with seperate workspace.Added ability to set scaling to integer values only, still by dragging the window resize handle.Add continuous scaling of Atari display by simply dragging the window resize handle.You don’t have to choose between 2x, 3x or 4x anymore! The UI has also new features that the users were longing for so much time, like continuous scaling of Atari display by simply dragging the window resize handle. The last core update happened more than eight years ago. Among the many changes and improvements, the most notable one is the update of the emulator core, using Atari800 4.2. The macOS emulator for Atari 8-bit computers has been updated to version 5.3.0.

Atari 400 emulator for mac