In case you are interested in learning more about the original games there are fully documented and dissected disassemblies available here (Motorola 68k mostly)

In case you are interested in learning more about the original games there are fully documented and dissected disassemblies available here (Motorola 68k mostly): http://info.sonicretro.org/Disassemblies http://info.sonicretro.org/Disassemblies