Just a heads up, Atari Jaguar emulation hasn't been too good over the years, until recently. A new emulator has been released that aims to fix that.

From the Author's website:

Welcome to the home of BigPEmu! BigPEmu is the first Atari Jaguar emulator to feature compatibility with the entire retail cartridge library, along with excellent performance and a wide variety of unique features.
Link: https://www.richwhitehouse.com/jaguar/index.php