> Wouldn't FPGA be a good idea for emulating these kind of non CPU games? When I first > started reading about FPGA years ago, I thought for sure we would see some of the old > non-cpu games by now.
There's definitely been some projects with progress in this direction, you just need to know where to look. See for example this FPGA project that simulates Death Race, Destruction Derby, and Alley Rally. https://forums.arcade-museum.com/showthread.php?t=410548