Tactics Ogre: The Knight of Lodis/ROM map

The following article is a ROM map for Tactics Ogre: The Knight of Lodis.

Overall ROM Map

Name	Start	End	Number of Entries	Size Per Entry	Total Size
Hire Shop	0x622494	0x6224E3	10	8	80
Item Shop	0x6224E4	0x622583	40	4	160
Secret Shop	0x622584	0x62258B	8	1	8
Magic Shop	0x62258C	0x622617	35	4	140

Data Structures

• Information on classes is available on the page Tactics Ogre: The Knight of Lodis:Jobs.
• Information on items and equipment is available on the page Tactics Ogre: The Knight of Lodis:Items.
• Information on abilities is available on the page Tactics Ogre: The Knight of Lodis:Abilities.

• Some tables have unknown data bytes at the beginning/end, its possible these tables are offset from there true position.
• Many tables have an empty entry at the beginning for 'None'. Not all tables have this taken into account yet. If a table has an odd number of entries, this is likely the case.

Hire Shop Data Structure

• Hire Shop Data data starts at 0x00622494 and ends at 0x006224E3 in the ROM.
• There are 10 entries, 8 bytes in length each.
• It's unknown how the game decides which entry to use. (e.g. Mermaids only in Rana, Giants only later in the game, random class every time, etc...)
• There is no termination data at the end of the table. The length must be hardcoded somewhere else.

Name	Length	Offset	Type	Max Value	Description
Class ID	1	0x00	uint8	0x54	Class to hire
Unknown	1	0x01	uint8	Unknown	Unknown entry. Always 0
Cost	2	0x02	uint16	??	Base cost to hire the unit
Per Level Cost	2	0x04	uint16	??	Adds this much gold to the cost per extra level bought
Unknown	1	0x06	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x07	uint8	Unknown	Unknown entry. Always 0

Item Shop Data Structure

• Item Shop Data data starts at 0x006224E4 and ends at 0x00622583 in the ROM.
• There are 40 entries, 4 bytes in length each.
• Prices are not stored in this table. They are stored in the item table.
• The last entry is a termination of (0xff,0xff,0x00,0x00) starting at 0x622580

Name	Length	Offset	Type	Max Value	Description
Availabilty	1	0x00	uint8	??	How far into the story the item first appears in the shop
Item ID	1	0x01	uint8	0xBF	Item to be sold
Unknown	1	0x02	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x03	uint8	Unknown	Unknown entry. Always 0

Secret Item Shop Data Structure

• The secret shop becomes available in Scabellum after recruiting Deneb
• Item Shop Data data starts at 0x00622584 and ends at 0x0062258C in the ROM.
• There are 7 entries, 1 bytes in length each.
• Prices are not stored in this table. They are stored in the item table.
• The last entry is a termination of (0xff) at 0x0062258C

Name	Length	Offset	Type	Max Value	Description
Item ID	1	0x01	uint8	0xBF	Item to be sold

Magic Shop Data Structure

• Magic Shop Data data starts at 0x0062258C and ends at 0x622617 in the ROM.
• There are 35 entries, 4 bytes in length each.
• Prices are not stored in this table. They are stored in the abilities table.
• If the spell is set to the index of an ability, it will not appear.
• The last entry is a termination of (0xff,0xff,0x00,0x00) starting at 0x622614

Name	Length	Offset	Type	Max Value	Description
Availabilty	1	0x00	uint8	??	How far into the story the spell first appears in the shop
Spell ID	1	0x01	uint8	0x7E	Spell to be sold
Unknown	1	0x02	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x03	uint8	Unknown	Unknown entry. Always 0