Wizardry: Knight of Diamonds (NES)/Notes

The following article is a Notes Page for Wizardry: Knight of Diamonds (NES).

20-2F Special Tiles

The following table notes what the 20-2F "special tiles" are for each floor of the maze. The specifics on how these are actually defined will be covered elsewhere.

-	floor	-	-	-	-	-
Address Value	B1	B2	B3	B4	B5	B6
20	Stairs to Castle	Stairs to 5E5N1D	Stairs to 0E0N2D	Stairs to 12E12N3D	Stairs to 7E12N4D	Stairs to 8E4N5D
21	Stairs to 5E5N2D	Stairs to 16E2N1D	Stairs to 18E1N2D	Stairs to 16E2N3D	Stairs to 0E0N6D	“One Alone” (Teleport to castle if more than one member in party)
22	Stairs to 16E2N2D	Stairs to 0E0N3D	Stairs to 12E12N4D	Stairs to 7E12N5D	KOD's Gauntlets Door	Room on Fire- If character not equipped with KOD equipment, kills them and dumps them back at the castle.
23	Nothing	“Three roads to follow” square	“Ever considered…” square	Nothing	Rock!	Exchange KOD equipment for Staff of Gnilda, teleport to 14E14N1D
24	Kobold King (And Gory Badge)	Stairs to 17E2N3D	Stairs to 16E2N4D	Trade Mithril key for Master Key	Entrance of Cavern	"It is beyond my support..."
25	Corroded Key square	Trade Gory Badge for Weird Emblem	Trade Weird Emblem for Mithril Key	Teleporter to 8E11N4D	Shattered Stone	"The most evil voice..."
26	Trade Corroded Key for Key of Ebony	Trade Key of Ebony for Key of Cloister	Chute to 3E4N4D	Teleporter to 11E11N4D	A cavern’s dark..	Tombstone- WORTHLESS RESTS HERE
27	Teleporter to 11E10N1D	Teleporter to 17E16N2D	Chute to 6E14N4D	100K Gold for information and to teleport to 10E0N4D	As the inside..	Foul Smell- Leave it to the brave
28	Teleporter to 14E17N1D	Teleporter to 5E2N2D	Chute to 17E16N4D	Square where you get the information after paying the gold	Down the hall..	Teleporter to 0E0N6D
29	Proclamation of Gnilda	Teleporter to 10E10N2D	5K Gold to teleport to Castle	Teleporter to 16E16N4D	...a clear blue fountain	Teleporter to 19E4N6D
2A	KOD's Armor	KOD's Shield	Hrathnir	KOD's Helmet	KOD's Gauntlets	Nothing
2B	“Are you ready?” square	Teleporter to 5E15N2D	Teleporter to 2E13N3D	Teleport to Castle (Mapiro Mahama Diromat)	"You are almost ruined."	Teleporter to 8E9N6D
2C	“Officers Only” (At least Weird Emblem required)	Corroded Key Door	Teleporter to 16E11N3D	Anti-magic (Need to at least leave floor to reset)	Nothing	Teleporter to 1E5N6D
2D	Search to fight Murphy’s Ghost	Gory Badge Door	Key of Cloister Door	Nothing	Nothing	Teleporter to 3E13N6D
2E	Pit	Ebony Key Door	Master Key Door	Spinner Tile	OUCH (Take damage)	Spinner
2F	Stronger Pit	Mithril Key Door	Rock!	Rock!	Even Stronger Pit	Demon Lord, but more research is needed on what actually triggers the fight to appear.

How These Tiles Are Implemented (And How To Change Them)

The specific data for these tiles begins at 0x850B. Each floor takes up 64 (0040) bytes. Each individual code is four bytes. So 0x850B is B1 Code 20, 0x850F is B1 Code 21, 0x8513 B1 Code 22, and so on. 0x854B is the start of B2's data, 0x858B is B3's data, etc.

The data for Floor...	Begins at address...
B1	0x850B
B2	0x854B
B3	0x858B
B4	0x85CB
B5	0x860B
B6	0x864B

The first byte of each four-byte code governs what type of square it is, and thus what the remaining three bytes mean.

For some codes, it may look like there is redundant data—for code 0D for instance, both the second and fourth bytes are the Item ID being checked. This is not a typo; it is actually how it is stored in the ROM, though I don't yet know why without a deep dive into the code.

If the first byte is	The square is	The second byte is	The third byte is	The fourth byte is
00	Nothing!	Nothing!	Nothing!	Nothing!
01	Stairs	East coordinate of destination	North coordinate of destination	Down coordinate of destination
02	Teleporter	East coordinate of destination	North coordinate of destination	Down coordinate of destination
03	Chute!	East coordinate of destination	North coordinate of destination	Down coordinate of destination
04	Rock! (Party dies and is transported back to the castle)	Nothing!	Nothing!	Nothing!
05	Pit	(Specifics unknown, but all three bytes seem to govern the power of the pit/how much damage you take)	-	-
06	OUCH	(Specifics unknown, but all three bytes seem to govern how much damage you take)	-	-
07	Spinner- faces you in a random direction when you step onto it	Nothing!	Nothing!	Nothing!
08	Message square	Nothing!	Pointer to the correct text	Usually Nothing (Will be 00), except for one on floor B4
09	The Mapiro Mohama Diromat square which teleports you to the castle	Nothing!	Pointer to the correct text	??? (Is FF, which may be what teleports you to castle)
0A	Teleporter with a message	???	Pointer to the correct text	??? (I think the two unknown bytes have to do with both how much to pay and where you teleport to afterward)
0B	Anti-magic square	Nothing!	Pointer to the correct text	Nothing!
0C	Square that checks for an item	??? (Usually the item ID of the item being checked for, except for the KOD Gauntlet Door check, where this is $#0B)	Message to show if you don't have the item	Item ID checked for
0D	Message square with a "Will you search?" at the end	The item you'll acquire	Message to display	The item you'll acquire (One of these may be a check to see if you have the item before displaying anything)
0E	Message square with a "Will you trade?" at the end	The item you'll acquire	Message to display	The item you'll trade away
0F	A forced battle	The monster or monsters you'll fight	Nothing!	ID of an item—the game checks to see if you have it and bypasses the battle if you do. In-game, this is always the same ID as the item you get for winning the battle, hence my earlier confusion about what this byte actually was. What you get for winning the battle is determined elsewhere, probably with the enemy data.
10	Another forced battle that works differently from 0F, but I don't know exactly how yet.	The monster or monsters you'll fight	???	(This is the byte that perplexes me right now)
11	"One alone" (Teleport to Castle if more than one person in party)	Nothing!	Pointer to correct text?	Nothing!
12	Room on fire, kills if KOD Equipment not equipped	Nothing!	Pointer to correct text?	Nothing!
13	Exchange for Staff of Gnilda OR teleport	Nothing!	Pointer to correct text?	Nothing!
14	The Fountain Square	Nothing!	Pointer to the correct text?	???
16	A message square with a "Will you search?" that leads to a battle	The monster or monsters you'll fight	(??)	(??-maybe treasure you get for winning the fight. More research is needed)

Tables

Item Table

Item ID	Item Name
00	Broken Item
01	Long Sword
02	Short Sword
03	Anointed Mace
04	Anointed Flail
05	Staff
06	Dagger
07	Buckler
08	Shield
09	Robes
0A	Leather Armor
0B	Chain Mail
0C	Breast Plate
0D	Plate Mail
0E	Helm
0F	Potion of Curing
10	Potion of Neutralizing
11	Sword of Slicing
12	Blade of Biting
13	Mace of Pounding
14	Rod of Iron
15	Scroll of Sleep
16	Padded Leather
17	Shiny Chain
18	Sturdy Plate
19	Iron Shield
1A	Body Armor
1B	Scroll of Pain
1C	Scroll of Fire
1D	Sword of Swishes
1E	Epee of Dismay
1F	Mace of Misfortune
20	Studly Staff
21	Slayer of Dragons
22	Helm of Hardiness
23	Rotten Leather
24	Corroded Chain
25	Broken B-Plate
26	Screwy Shield
27	Ring of Jewels
28	Scroll of Agony
29	Potion of Glass
2A	Sword of Slashing
2B	Epee of Excellence
2C	Mace of Power
2D	Scroll of Brightness
2E	Scroll of Darkness
2F	Gloves of Copper
30	Treated Leather
31	Elven Chain
32	1st Class Plate
33	Shield of Support
34	Helm of Evil
35	Potion of Healing
36	Ring of Shielding
37	Were Slayer
38	Masher of Mages
39	Mace of Snakes
3A	Rod of Silence
3B	Blade Cusinart'
3C	Ring of Rigidity
3D	Rod of Flame
3E	Chain of Evil
3F	Neutral Plate
40	Shield of Evil
41	Ring of Suffocation
42	Ring of Movement
43	Scroll of Affliction
44	Epee of Disaster
45	Dagger of Slicing
46	Morbid Mace
47	Bent Staff
48	Dagger of Speed
49	Robe of Curses
4A	Leather of Loss
4B	Chain of Curses
4C	B-Plate of Fiends
4D	Shield of Nothing
4E	Helm of Hangovers
4F	B-Plate of Boons
50	Gloves of Silver
51	Saber of Evil
52	Soul Slayer
53	Dagger of Thieves
54	Armor of Heroes
55	Armor of Lords
56	Muramasa Blade
57	Shuriken
58	Armor of Freon
59	Armor of Evil
5A	Shield of Defense
5B	Ring of Healing
5C	Ring of Dispelling
5D	Ring of Death
5E	Rod of Raising
5F	Amulet of Cover
60	Displacer Robe
61	Winter Mittens
62	Magic Charms
63	Staff of Light
64	Excalibur
65	Sword of Swinging
66	Cleric Puncher
67	Cleric's Mace
68	Epee of Swinging
69	Ring Pro Fire
6A	Cursed Plate
6B	Mithril Plate
6C	Staff of Curing
6D	Ring of Regen
6E	Metamorph Ring
6F	Stone Stone
70	Dreamer's Stone
71	Damien Stone
72	Great Mage Wand (1)
73	Coin of Power
74	Stone of Youth
75	Mind Stone
76	Stone of Piety
77	Blarney Stone
78	Amulet of Skill (1)
79	Amulet of Skill (2)
7A	Great Mage Wand (2)
7B	Coin of Power
7C	Staff of Gnilda
7D	Hrathnir
7E	KOD's Helmet
7F	KOD's Shield
80	KOD's Gauntlets
81	KOD's Armor
82	Corroded Key
83	Gory Badge
84	Weird Emblem
85	Key of Ebony
86	Key of Cloister
87	Mithril Key
88	Master Key
89	Demon's Stone

Monster Table

Item ID	Item Name
00	Bubbly Slime
01	Orc
02	Kobold
03	Undead Kobold
04	Dink
05	Hippopotamus
06	Magician
07	Depraved Cleric
08	Creeping Coin?
09	Highwayman
0A	Man at Arms
0B	Zombie
0C	Mummy
0D	Witch
0E	Ninja
0F	Rabid Rat
10	Were Panther
11	Fuzzball (1?)
12	Vorpal Bunny
13	Cleric
14	Dragon Fly
15	Doom Toad
16	Smog Beast
17	Banshee
18	Boring Beetle
19	Swordsman
1A	Blade Bear
1B	Were Lion
1C	Seraph
1D	Master Ninja
1E	Carrier
1F	Rhino Beetle
20	Fuzzball (Plural?)
21	Were Amoeba
22	No-see um
23	Sorceress
24	Medusalizard
25	Horrid Hound
26	Scorpion
27	Evil Eye
28	Manticore
29	Webspinner
2A	Constrictor
2B	Lesser Demon
2C	Scryll
2D	Ferocious Fiend
2E	Orc Lord
2F	Giant Bat
30	Were Bat
31	Vampire Bat
32	Corrosive Slime
33	Foaming Mold
34	Murphy's Ghost
35	Succubus
36	Giant Wasp
37	Giant Viper
38	The High Master
39	High Cleric
3A	Arch Mage
3B	Poison Giant
3C	Vampire
3D	Will o' Wisp
3E	Greater Demon
3F	Air Giant
40	Giant Zombie
41	Fuzzball (9?)
42	Giant Hornet
43	Giant Crab
44	Blob
45	Arch Mage (2?)
46	High Cleric (2?)
47	High Master
48	Iron Golem
49	Black Dragon
4A	Gold Dragon
4B	Flack
4C	Sidelle
4D	Raver Lord
4E	Mifune
4F	Arch Demon
50	Maelific
51	Vampire Lord
52	Lycurgus
53	Demon Lord
54	Kobold King
55	Magic Sword
56	Magic Helmet
57	Magic Shield
58	Magic Gauntlet
59	Magic Armor

Stuff That May Be Helpful But That Isn't Yet Properly Wiki-Formatted (Or is incomplete)

Enemy data seems to begin at about 0xC0C8 and end at 0XCD7F. There doesn't appear to be a standard byte size for enemy data.