[Jonathan Cauldwell] has come up with just such a tool that lets you do just that, for a variety of 8-bit platforms. [Jonathan]’s project is called the Multi Platform Arcade Game Designer ...

Of course, I did rule out any 16-bit games later on." However, grubbycoder didn't port the Sega Genesis version of Sonic 2; instead, he used the version made for the 8-bit Sega Master System and ...