Turbo Freezer XL
Just in case anyone didn't know the Atari 800XL core supports the Turbo Freezer, just drop freezer.rom in the rom folder.
Notes from the developer of the core.
Turbo freezer support. Provided by Hias, many thanks! To enable put freezer.rom in the rom directory. To activate press scroll lock or delete.
YouTube video showing the Turbo Freezer:
https://www.youtube.com/watch?v=e7NF0jk ... itcomputer