Sega Genesis >> 硬體資訊
68000 Memory Map
Ref. http://www.chibiakumas.com/68000/genesis.php
68000記憶體映射位置如下：
| Address | Description |
|---|---|
| $000000~$3FFFFF | Cartridge ROM/RAM |
| $400000~$7FFFFF | Reserved (used by the Sega CD and 32x) |
| $800000~$9FFFFF | Reserved (used by the 32x?) |
| $A00000~$A0FFFF | Z80 addressing space |
| $A10000~$A10001 | Version register (read-only word-long) |
| $A10002~$A10003 | Controller 1 data |
| $A10004~$A10005 | Controller 2 data |
| $A10006~$A10007 | Expansion port data |
| $A10008~$A10009 | Controller 1 control |
| $A1000A~$A1000B | Controller 2 control |
| $A1000C~$A1000D | Expansion port control |
| $A1000E~$A1000F | Controller 1 serial transmit |
| $A10010~$A10011 | Controller 1 serial receive |
| $A10012~$A10013 | Controller 1 serial control |
| $A10014~$A10015 | Controller 2 serial transmit |
| $A10016~$A10017 | Controller 2 serial receive |
| $A10018~$A10019 | Controller 2 serial control |
| $A1001A~$A1001B | Expansion port serial transmit |
| $A1001C~$A1001D | Expansion port serial receive |
| $A1001E~$A1001F | Expansion port serial control |
| $A10020~$A10FFF | Reserved |
| $A11000 | Memory mode register |
| $A11002~$A110FF | Reserved |
| $A11100~$A11101 | Z80 bus request |
| $A11102~$A111FF | Reserved |
| $A11200~$A11201 | Z80 reset |
| $A11202~$A13FFF | Reserved |
| $A14000~$A14003 | TMSS register |
| $A14004~$BFFFFF | Reserved |
| $C00000 | VDP Data Port |
| $C00002 | VDP Data Port (Mirror) |
| $C00004 | VDP Control Port |
| $C00006 | VDP Control Port (Mirror) |
| $C00008 | H/V Counter |
| $C0000A | H/V Counter (Mirror) |
| $C0000C | H/V Counter (Mirror) |
| $C0000E | H/V Counter (Mirror) |
| $C00011 | SN76489 PSG |
| $C00013 | SN76489 PSG (Mirror) |
| $C00015 | SN76489 PSG (Mirror) |
| $C00017 | SN76489 PSG (Mirror) |
| $C0001C | Disable/Debug register |
| $C0001E | Disable/Debug register (Mirror) |
| $C0001E~$FEFFFF | Reserved |
| $FF0000~$FFFFFF | 68000 RAM |