MacroLua is a tool for scripting player input for game emulators equipped with Lua, especially FBA-rr and MAME-rr.

• MacroLua can start playing from a savestate and can record player input to create new scripts.

AutoMacro is a tool for scripting player input for any game played on the PC, including emulators for newer systems.

TranScripter is a converter that injects scripts directly into the input recording files, for emulators that don't have Lua.

Further reading and guides at sonichurricane.com

Tutorial created by CPS2:

Examples of what you can make with these tools, courtesy of error1: