Saved game data

The following article contains original research by Dan's Friend and Lazlo52.

This page documents MediEvil saved game data formats.

MediEvil (1998 original)

A PlayStation Memory Card data block consists of 64 frames. Each frame is 128 bytes long.

Frame 0

This frame is the header for a block of PS1 saved data.

Name	Offset	Length	Value	Meaning
Magic	0x0	2	SC	Signature for all PS1 saved game data.
Icon flag	0x2	1	11	This means the icon for the saved game consists of a single image.
Number of blocks	0x3	1	1	How many blocks the save will take up on a memory card.
Title	0x4	64	ＭｅｄｉＥｖｉｌ	Name of the saved game in Shift JIS format.
Icon colour palette	0x96	32		Saved game icon colour palette.

Frame 1

This frame is used to store a PS1 saved game icon:

Frames 2-3

These frames are reserved for additional images in case the icon is meant to be animated, but are unused by MediEvil.

Frames 4-34

These frames contain the actual MediEvil saved game data.

File header

The header is 12 bytes long.

Name	Offset	Length	Value	Meaning
Magic	0x0	4	60SM	Signature for MediEvil saved game data.
Saved games	0x4	1	0-2	The number of saved games.

Saved games

The file can hold a maximum of three saved games. Each saved game is 1360 bytes long.

Saved game

Name	Offset	Length	Value	Meaning
Checksum	0x0	4	Number	Used to verify save game integrity. Uses the Checksum-16 algorithm.
Save game count	0x6	1	Number	Number of times the game has been saved.
Time played	0x1C	4	Number	Time the player has played the game for. Displayed on the tombstones in the main menu and on the save game screen.
Current weapon	0x38	1	00 - Small Sword 01 - Broad Sword 02 - Magic Sword 03 - Throwing Daggers 04 - Axe 05 - Club 06 - Crossbow 07 - Chicken Drumsticks 08 - Arm 09 - Lightning 0A - Longbow 0B - Spear 0C - Hammer 0D Flaming Longbow 0E - Magic Longbow 0F - Good Lightning 10 - Dragon Armour 11 - Chaos Rune 12 - None	The weapon Dan is currently wielding.
Current shield	0x3C	1	00 - None 01 - Copper Shield 02 - Silver Shield 03 - Gold Shield	The shield Dan is currently wielding. If set without having set its durability in the inventory, it will immediately break.
Inventory
Name	Offset	Length	Value	Meaning
Small Sword	0xAC	4	0x0000FFFF	The default value is 0xFFFF, which means Dan doesn't have the Small Sword in his inventory. It is set to 0x0000 when Dan obtains it.
Copper Shield	0x134	4	0x0000FFFF	The default value is 0xFFFF, which means Dan doesn't have the Copper Shield in his inventory. It is set to 0x96 (150) when Dan obtains it, which is the durability of the shield.

Frames 35 to 63

These are unused.

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