Memory map

Address	Description
5C00	Attribute buffer (cavern + Willy + guardians + items + portal)
5E00	Attribute buffer (empty cavern)
6000	Screen buffer (cavern + Willy + guardians + items + portal)
7000	Screen buffer (empty cavern)
8000	Cavern name
8020	Cavern tiles
8068	Willy's y-coordinate
8069	Willy's animation frame
806A	Willy's direction and movement flags
806B	Airborne status indicator
806C	Address of Willy's location in the attribute buffer at 5C00
806E	Jumping animation counter
806F	Conveyor definition
8073	Border colour
8074	Attribute of the last item drawn
8075	Item definitions
808F	Portal definition
80B4	Item graphic
80BC	Remaining air supply
80BD	Game clock
80BE	Horizontal guardians
80DB	Eugene's direction or the Kong Beast's status
80DC	Eugene's or the Kong Beast's pixel y-coordinate
80DD	Vertical guardians
8100	Guardian graphic data
8200	Willy sprite graphic data
8300	Screen buffer address lookup table
8400	The game has just loaded
8407	Current cavern number
8408	Left-right movement table
8418	'AIR'
841B	Unused
841F	High score
8425	Score
842F	'High Score 000000   Score 000000'
844F	'Game'
8453	'Over'
8457	Lives remaining
8458	Screen flash counter
8459	Kempston joystick indicator
845A	Game mode indicator
845B	In-game music note index
845C	Music flags
845D	6031769 key counter
845E	6031769
846E	Title screen tune data (The Blue Danube)
858C	In-game tune data (In the Hall of the Mountain King)
85CC	Display the title screen and play the theme tune
8684	Start the game (or demo mode)
870E	Main loop
8944	Display the game over sequence
8A3C	Decrease the air remaining in the current cavern
8A75	Draw the current cavern to the screen buffer at 7000
8ABB	Move Willy (1)
8BBA	Animate a crumbling floor tile in the current cavern
8BDD	Move Willy (2)
8D05	Kill Willy
8D0F	Move the horizontal guardians in the current cavern
8D73	Move and draw the light beam in Solar Power Generator
8DAA	Draw the horizontal guardians in the current cavern
8DF8	Move and draw Eugene in Eugene's Lair
8E75	Move and draw the Skylabs in Skylab Landing Bay
8EF1	Move and draw the vertical guardians in the current cavern
8F63	Draw the items in the current cavern and collect any that Willy is touching
8FC5	Draw the portal, or move to the next cavern if Willy has entered it
8FF4	Draw a sprite
9028	Move to the next cavern
90EA	Add to the score
9105	Move the conveyor in the current cavern
9135	Move and draw the Kong Beast in the current cavern
921B	Flip a switch in a Kong Beast cavern if Willy is touching it
923A	Check and set the attribute bytes for Willy's sprite in the buffer at 5C00
925F	Check and set the attribute byte for a cell occupied by Willy's sprite
927F	Draw Willy to the screen buffer at 6000
92BA	Print a message
92CB	Print a single character
92DC	Play the theme tune (The Blue Danube)
932B	Calculate the attribute file address for a piano key
9337	Check whether ENTER or the fire button is being pressed
934C	Source code remnants
9D00	'...MANIC MINER . . © BUG-BYTE ltd. 1983...'
9E00	Attribute data for the bottom two-thirds of the title screen
A000	Title screen graphic data
B000	Central Cavern (teleport: 6)
B400	The Cold Room (teleport: 16)
B800	The Menagerie (teleport: 26)
BC00	Abandoned Uranium Workings (teleport: 126)
C000	Eugene's Lair (teleport: 36)
C400	Processing Plant (teleport: 136)
C800	The Vat (teleport: 236)
CC00	Miner Willy meets the Kong Beast (teleport: 1236)
D000	Wacky Amoebatrons (teleport: 46)
D400	The Endorian Forest (teleport: 146)
D800	Attack of the Mutant Telephones (teleport: 246)
DC00	Return of the Alien Kong Beast (teleport: 1246)
E000	Ore Refinery (teleport: 346)
E400	Skylab Landing Bay (teleport: 1346)
E800	The Bank (teleport: 2346)
EC00	The Sixteenth Cavern (teleport: 12346)
F000	The Warehouse (teleport: 56)
F400	Amoebatrons' Revenge (teleport: 156)
F800	Solar Power Generator (teleport: 256)
FC00	The Final Barrier (teleport: 1256)