> Why for example, can we turn on bi-linear filtering? > > Why is Triple Buffering allowed? > > Why is there support for screen effect png files? > > Why allow us to run the games in 48000Hz sound? > > Why allow cheat files to be used? > > Why allow us to any controller we want to play any game? > > Is Ms Pac-man really being authentically preserved when we can play it with an xbox > analog stick or even a steering wheel? > > How exactly would having graphical effects as an option, with the ability to simply > to use them *IF* desired, be detrimental to the authenticity of the game, when all > the other above mentioned things are already available in MAME?
None of those require extra work when writing the emulation code.