Memory Layout:

0x8c000000     16 Mbytes RAM
0x8d000000

0xa0000000     2 Mbyte Boot ROM
0xa0200000     256 kByte Flash ROM
0xa0400000

0xa05f8000     Hardware Register (Video)

0xa0700000     SPU Register
0xa0800000     2 Mbyte Sound RAM
0xa0a00000

0xa1000000     Parallel Port
0xa2000000     CD-ROM Port

0xa5000000     8 Mbytes Video RAM
0xa5800000

(c) by bITmASTER