Also FluBBa’s PCE emulator for the GBA has been updated. The changes:

V1.3 – 2003-04-09Faster VDC writes.Fixed cycles counting (faster emulation).Init SRAM (Knight Rider, don’t know any more games yet).Fixed some of the problems with sprites in unscaled mode.Fixed decimal mode of SBC (Chase HQ, Cyber Cross).Fixed Horizontal scroll (Override).Fixed screen jumping (Keith Courage…).

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