It’s difficult to overstate just how little lag there is in such setups. These systems had no frame buffer whatsoever - everything rendered on the fly. You could potentially affect a frame after it already started.
That said, if you ever get an urge to play Mario on modern hardware, try run ahead emulation. It’s quite magical.
That said, if you ever get an urge to play Mario on modern hardware, try run ahead emulation. It’s quite magical.