High CPU usage when paused

[seadra]

mame4all-pi is using almost 100% CPU on a Raspberry Pi Zero when paused.

This is particularly relevant given that this fork is based on MAME 0.37b5 which doesn't support save/load states: if you're taking a break (or call it a day) to come back later on, the only option is to pause the game, keeping the Pi unnecessarily hot and busy.

[joolswills]

No development is done on this fork really so unless someone provides a PR it is unlikely to be fixed. This fork just has a few patches for retropie (and to make the code readily available as we forked it when upstream development was still at the now closed google code).

Upstream development is here - https://sourceforge.net/projects/mame4allpi/ (although no development has been done there for a year either).