CD32 Memory Map
This information comes from the CD32 service manual. Address | Size | Waits | Function | $000000-$1FFFFE | 32 | Alice |
Chip Ram (ROM after reset and before first 8520 access) | $200000-$A7FFFE | 16 | 0 | AUTOCONF1G Space | SA80000-SB7FFFE | 16 | 0 | ROM (Reserved) | $B80000-$B87FFE | 32 | 0 | Akiko Registers | $B88000-$BFFFFE | 16 | 0 | Reserved | $B90000-SB9FFFF | 16 | Alice | Amiga chip registers | $BAOOOO-$BDFFFE | 16 | 0 | Reserved | $BEOOOO-$BEFFFE | 16 | 0 | Reserved | $BFOOOO-$BFCFFE
| 16 | 8520 | Illegal 8520 access/unsupported | $BFDrOO | 16 | 8520 | 8520A legal decode for 8520 A register r | $BFDr02-SBFDrFC
| 16 | 8520 | Illegal space that may or may not hit 8520A | SBFDrFE | 16 | 8520 | 8520A legal decode for 8520 A register r | SBFErOO | 16 | 8520 | 8520B legal decode for 8520 B register r | $BFEr02.SBFDrFC
| 16 | 8520 |
Illegal space that may or may not hit 8520B | SBFErFE | 16 | 8520 | 8520B legal decode for 8520 B register r | $BFFOOO-$BFFFFE |
16 | 8520 | Illegal 8520 access/unsupported | $COOOOO-$CFFFFE | 16 | Alice | Illegal (Hits RGAs lor compatibility with old ROMs) | SDOOOOO-SDEFFFE | 16 | 0 | Reserved | $DFOOOO-SDFFFFE | 16 | Alice | RGA The one true location for Amiga chips | $EOOOOO-SE7FFFF | 16 | 0 | ROM | $E80000-$F7FFFE |
16 | 0 | Reserved | $F80000-$FFFFFE |
16 | 0 | ROM |
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