**** Work In-Progress Section ****

Blatant Plug
ROM Map
Credits

If you're interested in hacking a Phantasy Star III ROM you have two options:

1) Read this guide, download a hex editor, and give yourself eye strain looking at raw game data.
2) Download Aridia:



Everything documented here can be edited in Aridia.

Starting Address	Ending Address	Description
000000	0000FF	?
0000F0	0001FF	ROM header - see http://en.wikibooks.org/wiki/Genesis_Programming#ROM_header for detailed information about Genesis ROM headers
000200	01E033	?
01E032	01E4BD	Character data
01E4BE	01F6CE	?
01F6CF	01F9DF	Dialog text
01F9E0	025F0D	?
025F0E	031133	Game script
031134	03876F	?
038770	0387E0	Item data
0387E1	0387EF	?
0387F0	039186	Weapon & armor data
039187	039241	?
039242	0398AD	Item, weapon, armor names
0398B0	039A25	Technique names & ?
039A26	03A5F0	?
03A5F1	03BE13	Enemy data
03BE14	03C367	Enemy names
03C368	03D909	?
03D90A	03DACE	Battle messages
03DACF	3DD89	?
03DD8A	03E57D	Shop & save/load messages
03E57E	03FFFF	?
040000	0401E2	Save/load messages (from title screen)
0401E3	041BB1	?
041BB2	041FFF	Empty space (FF)?
042000	049423	?
049424	049FFF	Empty space (FF)?
04A000	04A5EA	?
04A5EB	04AFFF	Empty space (FF)?
04B000	04B133	?
04B134	04B3FF	Empty space (FF)?
04B400	04CC6F	?
04CC70	04CFFF	Empty space (FF)?
04D000	06601F	?
066020	066F5F	Font tiles
066F60	0671FF	?
067200	0672A1	Status screen font tiles
0672A2	0672BF	?
0672C0	0673FF	Border tiles
067400	06773F	Credit font tiles
067740	067FFF	?
068000	068BFF	"Generations of Doom" logo tiles
068C00	0BFFFF	?

Massive thanks to mr2 and TheKomrade for their research into Phantasy Star III ROM hacking.

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