FluBBa released a new version of PCE Advance. Changes:

Added check for IRQ after CLI/RTI, fixed Outrun/Bomberman intro.Fixed the timing between screen/cpu.Fixed a lot of games with missing/freezing sprites.Fixed Timer IRQ a bit, some games are faster (1941 Kai (J), R-Type (J)).Fixed and optimized the accumulator shift (After Burner II, Final Blaster, Magical Chase, Valkyrie no Densetsu).Fixed TAI&TIA instructions, fixed alot of games.Changed assignment of X&Y register.Changed Raster Compare and vblank diff again (Bravoman).Changed the menus to be like PocketNES again.Optimized ROM access in CPU core.

http://hem.passagen.se/flubba/gba.html