Memory map

Page	Byte	Address	Description
92	0	23552	Attribute buffer (cavern + Willy + guardians + items + portal)
94	0	24064	Attribute buffer (empty cavern)
96	0	24576	Screen buffer (cavern + Willy + guardians + items + portal)
112	0	28672	Screen buffer (empty cavern)
128	0	32768	Cavern name
128	32	32800	Cavern tiles
128	104	32872	Willy's y-coordinate
128	105	32873	Willy's animation frame
128	106	32874	Willy's direction and movement flags
128	107	32875	Airborne status indicator
128	108	32876	Address of Willy's location in the attribute buffer at 23552
128	110	32878	Jumping animation counter
128	111	32879	Conveyor definition
128	115	32883	Border colour
128	116	32884	Attribute of the last item drawn
128	117	32885	Item definitions
128	143	32911	Portal definition
128	180	32948	Item graphic
128	188	32956	Remaining air supply
128	189	32957	Game clock
128	190	32958	Horizontal guardians
128	219	32987	Eugene's direction or the Kong Beast's status
128	220	32988	Eugene's or the Kong Beast's pixel y-coordinate
128	221	32989	Vertical guardians
129	0	33024	Guardian graphic data
130	0	33280	Willy sprite graphic data
131	0	33536	Screen buffer address lookup table
132	0	33792	The game has just loaded
132	7	33799	Current cavern number
132	8	33800	Left-right movement table
132	24	33816	'AIR'
132	27	33819	Unused
132	31	33823	High score
132	37	33829	Score
132	47	33839	'High Score 000000   Score 000000'
132	79	33871	'Game'
132	83	33875	'Over'
132	87	33879	Lives remaining
132	88	33880	Screen flash counter
132	89	33881	Kempston joystick indicator
132	90	33882	Game mode indicator
132	91	33883	In-game music note index
132	92	33884	Music flags
132	93	33885	6031769 key counter
132	94	33886	6031769
132	110	33902	Title screen tune data (The Blue Danube)
133	140	34188	In-game tune data (In the Hall of the Mountain King)
133	204	34252	Display the title screen and play the theme tune
134	132	34436	Start the game (or demo mode)
135	14	34574	Main loop
137	68	35140	Display the game over sequence
138	60	35388	Decrease the air remaining in the current cavern
138	117	35445	Draw the current cavern to the screen buffer at 28672
138	187	35515	Move Willy (1)
139	186	35770	Animate a crumbling floor tile in the current cavern
139	221	35805	Move Willy (2)
141	5	36101	Kill Willy
141	15	36111	Move the horizontal guardians in the current cavern
141	115	36211	Move and draw the light beam in Solar Power Generator
141	170	36266	Draw the horizontal guardians in the current cavern
141	248	36344	Move and draw Eugene in Eugene's Lair
142	117	36469	Move and draw the Skylabs in Skylab Landing Bay
142	241	36593	Move and draw the vertical guardians in the current cavern
143	99	36707	Draw the items in the current cavern and collect any that Willy is touching
143	197	36805	Draw the portal, or move to the next cavern if Willy has entered it
143	244	36852	Draw a sprite
144	40	36904	Move to the next cavern
144	234	37098	Add to the score
145	5	37125	Move the conveyor in the current cavern
145	53	37173	Move and draw the Kong Beast in the current cavern
146	27	37403	Flip a switch in a Kong Beast cavern if Willy is touching it
146	58	37434	Check and set the attribute bytes for Willy's sprite in the buffer at 23552
146	95	37471	Check and set the attribute byte for a cell occupied by Willy's sprite
146	127	37503	Draw Willy to the screen buffer at 24576
146	186	37562	Print a message
146	203	37579	Print a single character
146	220	37596	Play the theme tune (The Blue Danube)
147	43	37675	Calculate the attribute file address for a piano key
147	55	37687	Check whether ENTER or the fire button is being pressed
147	76	37708	Source code remnants
157	0	40192	'...MANIC MINER . . © BUG-BYTE ltd. 1983...'
158	0	40448	Attribute data for the bottom two-thirds of the title screen
160	0	40960	Title screen graphic data
176	0	45056	Central Cavern (teleport: 6)
180	0	46080	The Cold Room (teleport: 16)
184	0	47104	The Menagerie (teleport: 26)
188	0	48128	Abandoned Uranium Workings (teleport: 126)
192	0	49152	Eugene's Lair (teleport: 36)
196	0	50176	Processing Plant (teleport: 136)
200	0	51200	The Vat (teleport: 236)
204	0	52224	Miner Willy meets the Kong Beast (teleport: 1236)
208	0	53248	Wacky Amoebatrons (teleport: 46)
212	0	54272	The Endorian Forest (teleport: 146)
216	0	55296	Attack of the Mutant Telephones (teleport: 246)
220	0	56320	Return of the Alien Kong Beast (teleport: 1246)
224	0	57344	Ore Refinery (teleport: 346)
228	0	58368	Skylab Landing Bay (teleport: 1346)
232	0	59392	The Bank (teleport: 2346)
236	0	60416	The Sixteenth Cavern (teleport: 12346)
240	0	61440	The Warehouse (teleport: 56)
244	0	62464	Amoebatrons' Revenge (teleport: 156)
248	0	63488	Solar Power Generator (teleport: 256)
252	0	64512	The Final Barrier (teleport: 1256)