Franxis has updated his MAME port for the GP2x once again.
Changes:
– Fixed: Q-Sound music was playing too slowly (bug introduced in v4.1).
– Fixed: FM Sound freezes after playing some games (bug introduced in v4.1).
– Optimizations in the sound mixing code.
Source
This article is over 2 years old — the linked page may have changed, moved, or been taken over since then.