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Calico Version 2.0 has been released.
Calico is a Atari Jaguar DOOM backport, available for Windows.
New improvements include gamepad and mouse support, enhanced controls such as separate use and strafe actions, and a new optional shader-based OpenGL 4.0 renderer (enabled by default).
"Calico is a port of the Atari Jaguar DOOM codebase back to the PC, aiming to support playing the game in its original form on that console with a minimum number of required changes.
It accepts either the game's ROM file or the extracted jagdoom.wad file from inside it.
You will need a backup device for Jaguar ROM cartridges in order to legally play the game.
I have undertaken reverse engineering of the GAS assembly files for the renderer, which are written in a custom assembly language understood only by the custom Tom and Jerry ASICs on the Jaguar motherboard.
Gameplay GAS files were additionally verified by cross-referencing against the 3DO source code and the Doom64 EX project, both of which share about 99% of that code but already in a C form.
Calico is named in honor of my late cat, Nikki Fritz, who was a calico tabby mix, because it is a "little kitty" of a Doom port."
Calico v2.0 contains the following new features and fixes:
This program is in development, so some things are not finished or have known issues:
- Gamepad support
- Mouse support
- Enhanced control options: separate use, strafe-on, directional strafing, previous/next weapon actions
- Optional GL 4.0 renderer with shader support; enabled by default
- Support for -fast, -nomonsters, -warp, and -skill command-line parameters
- Ability to quit current game and exit program from internal menus
- Fixed a crash caused by the game's non-working status bar gib face
- Audio code corrected for Windows 10 WASAPI compatibility
- Corrected bullet tracers to use correct line-side checking routine (thanks Erick194)
- Calico Configurator setup utility now included
This program is in development, so some things are not finished or have known issues:
- There is no support for music yet.
- There is no multiplayer yet.
- Demos still desync; reason is currently unknown.