Saved game data in MediEvil

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

This page documents the original MediEvil's saved game data format. 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. The offsets in the table below are relative to the beginning of Frame 4.

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. The offsets for the saved games relative to the beginning of the Memory Card data block are 0x20C, 0x75C, and 0xCAC.

Saved game

The offsets in the table below are relative to the beginning of a saved game.

General
Name	Offset	Length	Value	Meaning
Checksum	0x0	4	Number	Used to verify saved game integrity. Uses the Checksum-32 algorithm.
Level index	0x4	2	01 - The Graveyard 02 - Return to the Graveyard 03 - Cemetery Hill 04 - The Hilltop Mausoleum 05 - Scarecrow Fields 06 - Dan's Crypt 07 - The Ant Caves 08 - The Crystal Caves 09 - Pumpkin Gorge 0A - The Pumpkin Serpent 0B - The Sleeping Village 0C - Pools Of The Ancient Dead 0D - The Asylum Grounds 0E - Inside The Asylum 0F - The Enchanted Earth 10 - The Gallows Gauntlet 11 - The Haunted Ruins 12 - Hall of Heroes 13 - The Ghost Ship 14 - The Entrance Hall 15 - The Time Device 16 - The Lake 17 - Zarok's Lair 18 - *Programmers's Playground	The index of the level the name of which will be displayed on the saved game tombstone and in the save game menu. Although 00 should be "*Title Level", setting the value to this will make the saved game unselectable.
Save game count	0x6	2	Number	Number of times the game has been saved.
Pause Menu Options
Name	Offset	Length	Value	Meaning
Options flags	0x8	4	00000100 (NTSC-U default)	Various flags from the Pause Menu. From right to left: Flag 0: Vibration (0 for on, 1 for off) Flag 1: Audio Mode (0 for stereo, 1 for mono) Flag 2: Walk/Run toggle (0 for on, 1 for off)
FX volume	0xC	2	0-127 (80 default)	FX volume. Can be set through the Pause Menu.
Speech volume	0xE	2	0-127 (110 default)	Speech volume. Can be set through the Pause Menu.
Music volume	0x10	2	0-127 (64 default)	Music volume. Can be set through the Pause Menu.
Lighting	0x12	2	(-192)-128 (32 default)	Lighting. Can be set through the Pause Menu.
Screen adjust (horizontal)	0x16	2	0 (default)	Horizontal screen adjustment. Can be set through the Pause Menu.
Screen adjust (vertical)	0x18	2	0 (default)	Vertical screen adjustment. Can be set through the Pause Menu.
Button layout	0x1A	2	0-2 (0 default)	Button layout. Can be set through the Pause Menu.
Player Stats
Name	Offset	Length	Value	Meaning
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 energy	0x20	4	300 (default)	Dan's current energy (as seen in the Life Bar). Starts at 300. Changes when enemies attack Dan or when he heals.
Current stored energy	0x24	4	0 (default)	Current stored energy. Starts at 0, set to 300 once first Life Bottle is picked up.
Maximum stored energy	0x28	4	0 (default)	Maximum stored energy. Starts at 0, set to 300 once first Life Bottle is picked up. Only changes when Life Bottles are picked up.
Current weapon	0x2C	4	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	0x30	4	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.
Current map position	0x4C	4	00 - Dan's Crypt 01 - The Graveyard 02 - Return to the Graveyard 03 - Cemetery Hill 04 - The Hilltop Mausoleum 05 - Scarecrow Fields 06 - The Enchanted Earth 07 - Pumpkin Gorge 08 - The Pumpkin Serpent 09 - The Sleeping Village 0A - The Asylum Grounds 0B - Inside The Asylum 0C - Pools Of The Ancient Dead 0D - The Lake 0E - The Crystal Caves 0F - The Gallows Gauntlet 10 - The Haunted Ruins 11 - The Ghost Ship 12 - The Entrance Hall 13 - The Time Device 14 - Zarok's Lair	Dan's current position on the map. Setting this to a level that is locked will allow Dan to enter that level, but may create a softlocked saved game if previous levels are not unlocked on the map.
Inventory
Name	Offset	Length	Value	Meaning
Small Sword	0xA0	2	-1	The default value is -1 (FF FF), which means Dan doesn't have the Small Sword in his inventory. It is set to 0 when Dan obtains it.
Throwing Daggers	0xB4	2	-1	The default value is -1 (FF FF), which means Dan doesn't have the Throwing Daggers in his inventory. Set to 100 when Dan obtains them, which is the amount of daggers.
Copper Shield	0x128	2	-1	The default value is -1 (FF FF), which means Dan doesn't have the Copper Shield in his inventory. It is set to 150 (0x96) when Dan obtains it, which is the durability of the shield.
Gold Pieces	0x138	2	0-32767	The default value is 0. Updated when Dan picks up treasure. Because the value is a signed short, the maximum size is 32,767. If more gold should be collected, the value will break. It will no longer be displayed in the HUD and Dan won't be able to use it to buy anything from Merchant Gargoyles.
Level Changes
Name	Offset	Length	Value	Meaning
Length of array	0x14C	4	0-256	Length of the "level changes" array. The array grows each time something happens that should change a level permanently on replays.
Start of array	0x150	Length of array * 4	00 00 00 00	This is where the "level changes" array begins. The maximum amount of members in the array is 256 (1024 bytes).
CR - don't play starting cutscene	N/A	4	06 00 21 B6	Makes it so that the cutscene at the beginning of Dan's Crypt with the Information Gargoyles is skipped.
CR - Small Sword to moneybag	N/A	4	06 01 36 B3	Changes the Small Sword pickup from Dan's Crypt into a moneybag.
CR - Life Bottle on dirt mound to moneybag	N/A	4	06 01 E4 B5	Changes the Life Bottle on the dirt mound in Dan's Crypt into a moneybag.
CR - secret Life Bottle to moneybag	N/A	4	06 01 C6 B6	Changes the Life Bottle behind the breakable wall in Dan's Crypt into a moneybag.

Frames 35 to 63

These are unused.