Memory map

Page	Byte	Address	Description
64	0	4000	Loading Screen
91	0	5B00	Unused
91	1	5B01	Game Entry Commands
91	63	5B3F	Pointer: Game Entry Point
91	65	5B41	Unused
91	204	5BCC	Active Room: Key Colour
91	205	5BCD	Active Room: Closed Door Colour
91	206	5BCE	Unused
91	207	5BCF	Active Room: Room Scaffolding Colour
91	208	5BD0	Active Border Colour
91	209	5BD1	Active Room: Paper Colour
91	210	5BD2	Active Room: Ladder Colour
91	211	5BD3	Current Room: Room ID
91	212	5BD4	Temporary: Current Room ID
91	213	5BD5	Unused
91	214	5BD6	Reference: Doors
91	216	5BD8	Reference: Ladders
91	218	5BDA	Reference: Keys And Locked Doors
91	220	5BDC	Reference: Port Hole Reference
91	222	5BDE	Reference: Pirate
91	224	5BE0	Reference: Items
91	226	5BE2	Reference: Furniture
91	228	5BE4	Reference: Lifts
91	230	5BE6	Reference: Disappearing Floors
91	232	5BE8	Pointer: Current Room Buffer
91	234	5BEA	Control Method
91	235	5BEB	User-Defined Keys
91	240	5BF0	Game State
91	241	5BF1	Player Lives
91	242	5BF2	Player Treasure
91	244	5BF4	Player Booty
91	246	5BF6	Unused
91	250	5BFA	Golden Key Timer Frame Skip
91	252	5BFC	Golden Key Room ID
91	253	5BFD	Golden Key Position
91	255	5BFF	Golden Key Timer
92	0	5C00	Unused
93	223	5DDF	Messaging: Booty
93	233	5DE9	Data block at 5DE9
105	64	6940	On-Load Entry Point #1
105	71	6947	Unused
105	87	6957	On-Load Entry Point #2
105	103	6967	Unused
105	120	6978	Introduction Screen
132	120	8478	Graphics: Room Furniture #1
135	120	8778	Graphics: Room Furniture #2 (Non-Interactive)
138	120	8A78	Graphics: Player Sprite
143	40	8F28	Graphics: Pirate
146	40	9228	Unused
146	76	924C	Graphics: Porthole
147	76	934C	Graphics: Bomb
148	76	944C	Graphics: Animals
149	140	958C	Graphics: Player Swimming Sprite
150	76	964C	Graphics: Sand (Goldfish Game)
150	204	96CC	Graphics: Dolphin (Goldfish Game)
151	204	97CC	Graphics: Sea Snake (Goldfish Game)
152	140	988C	Graphics: Marlin (Goldfish Game)
153	76	994C	Graphics: Squid (Goldfish Game)
153	204	99CC	Graphics: Goldfish (Goldfish Game)
153	236	99EC	Graphics: Boat 1 (Goldfish Game)
156	236	9CEC	Graphics: Boat 2 (Goldfish Game)
159	236	9FEC	Graphics: Player Sprite (Goldfish Game)
160	108	A06C	Graphics: Mask Sprite
161	11	A10B	Data block at A10B
161	108	A16C	Source Code Remnants
161	196	A1C4	Buffer: Room
164	228	A4E4	Buffer: Room Attributes
168	4	A804	Controller: Draw Room
168	23	A817	Print UDG
168	63	A83F	Routine at A83F
168	110	A86E	Routine at A86E
168	147	A893	Populate Room Buffer
168	175	A8AF	Routine at A8AF
168	216	A8D8	Clear Room Buffer
169	0	A900	Draw Room
170	151	AA97	Unpack All Rooms
170	244	AAF4	Unpack Room
171	68	AB44	Populate Current Room Buffers And References
171	194	ABC2	Copy Room Data
171	214	ABD6	Default Room Data
186	162	BAA2	Data block at BAA2
186	163	BAA3	Data block at BAA3
186	165	BAA5	Temporary Table Room Data Pointer
186	167	BAA7	Unused
186	169	BAA9	Table: Room Data
186	213	BAD5	Buffer Pointer
186	215	BAD7	Buffer: Room Data
188	203	BCCB	Data: Room #21
188	254	BCFE	Data: Room #20
189	190	BDBE	Data: Room #19
190	146	BE92	Data: Room #18
191	102	BF66	Data: Room #17
192	93	C05D	Data: Room #16
193	45	C12D	Data: Room #15
194	4	C204	Data: Room #14
194	189	C2BD	Data: Room #13
195	119	C377	Data: Room #12
196	73	C449	Data: Room #11
196	244	C4F4	Data: Room #10
197	162	C5A2	Data: Room #09
198	49	C631	Data: Room #08
198	214	C6D6	Data: Room #07
199	130	C782	Data: Room #06
200	12	C80C	Data: Room #05
200	170	C8AA	Data: Room #04
201	113	C971	Data: Room #03
202	19	CA13	Data: Room #02
202	217	CAD9	Data: Room #01
203	149	CB95	Source Code Remnants
205	20	CD14	Game Entry Point
205	111	CD6F	Set Default Keyboard Inputs
205	134	CD86	Display Introduction Screen
205	209	CDD1	Display Title Screen
206	65	CE41	Hidden Goldfish Game
207	246	CFF6	Goldfish Game: Collision
208	91	D05B	Goldfish Game: Refill Oxygen
208	138	D08A	Start Game
208	172	D0AC	Animate Title Screen
208	212	D0D4	Set Cursor Joystick
208	226	D0E2	Set Kempston Joystick
209	8	D108	Restart Set User-Defined Keys
209	12	D10C	Set Interface 2 Joystick
209	111	D16F	Messaging: Press Fire Button
209	136	D188	Set User-Defined Keys
210	12	D20C	Current In-Focus User-Defined Key
210	13	D20D	Print User-Defined Key
210	43	D22B	Unused
210	44	D22C	Table: Key Map
210	83	D253	Set Default Keys
210	89	D259	Turn Inverse On
210	96	D260	Goldfish Game: Handler: Bubbles
210	242	D2F2	Goldfish Game: Air Bar
211	62	D33E	Goldfish Game: Oxygen Level
211	63	D33F	Goldfish Game: Erase Sprite
211	83	D353	Goldfish Game: Print Colour UDG
211	166	D3A6	Small Pause
211	175	D3AF	Handler: Sea Creature Animation
212	96	D460	Goldfish Game: Print Sprite
212	190	D4BE	Clear Screen
212	196	D4C4	Goldfish Game: Move Player Right
212	200	D4C8	Goldfish Game: Move Player Left
212	204	D4CC	Routine at D4CC
213	80	D550	Goldfish Game: Drop Fish (When Player Is Out Of Air)
213	92	D55C	Controls: Kempston Joystick
213	121	D579	Goldfish Game: Player Controls
213	160	D5A0	Unused
213	176	D5B0	Toggle Music
213	199	D5C7	Goldfish Game: Move Player Down
213	203	D5CB	Goldfish Game: Move Player Up
213	207	D5CF	Menu Keypress
214	2	D602	Demo Mode
214	14	D60E	Print String
214	22	D616	Handler: Sea Creature Movement
214	71	D647	Routine at D647
215	113	D771	Free-Up Sea Creature Slot
215	120	D778	Handler: Sea Creatures
215	231	D7E7	Choose Sea Creature
216	111	D86F	Data block at D86F
216	112	D870	Goldfish Game: Print Boats
216	162	D8A2	Goldfish Game: Animate Boats
216	212	D8D4	Update Animation Counter
216	226	D8E2	Goldfish Game: Animate Sand
217	42	D92A	Goldfish Game: Animate Player
217	61	D93D	Goldfish Game: Buoyancy Counter
217	62	D93E	Table: Default Sea Creatures
217	182	D9B6	Messaging: Release Joystick
217	210	D9D2	Messaging: Fish Game Status Bar
217	253	D9FD	Messaging: Title Screen
218	58	DA3A	Messaging: Menu Item - Keyboard
218	80	DA50	Messaging: Menu Item - Interface 2 Joystick
218	110	DA6E	Messaging: Menu Item - Cursor Joystick
218	135	DA87	Messaging: Menu Item - Kempston Joystick
218	162	DAA2	Messaging: Menu Item - Define Keys
218	183	DAB7	Messaging: Menu Item - Start Game
218	203	DACB	Messaging: Define Keys
218	225	DAE1	Messaging: Left
218	238	DAEE	Messaging: Right
218	252	DAFC	Messaging: Up
219	7	DB07	Messaging: Down
219	20	DB14	Messaging: Enter Room/ Space Exits
219	54	DB36	Game status buffer entry at DB36
219	56	DB38	Game status buffer entry at DB38
219	59	DB3B	Goldfish Game: Temporary Sprite Width
219	60	DB3C	Goldfish Game: Temporary Sprite ID
219	61	DB3D	Data block at DB3D
219	66	DB42	Goldfish Game: Numer Of Fish Caught
219	67	DB43	Unused
219	68	DB44	Goldfish Game: Numer Of Fish Needed
219	69	DB45	Unused
219	70	DB46	Data: Sea Creatures (Goldfish Game)
220	6	DC06	Unused
220	14	DC0E	Goldfish Game: Player Attributes
220	34	DC22	Buffer: Sand Animation (Goldfish Game)
221	42	DD2A	Data: Bubbles (Goldfish Game)
221	152	DD98	Data block at DD98
221	154	DD9A	Messaging: Goldfish Game
222	9	DE09	Unused
222	168	DEA8	Initialise Game
223	187	DFBB	Graphics: Golden Key
223	203	DFCB	Force Game-Over
223	211	DFD3	All Treasure Collected
224	88	E058	Reset Sound Flags
224	100	E064	Print Status Bar Icons
224	169	E0A9	Print Status Bar
225	24	E118	Routine at E118
225	31	E11F	Increased Frequency Animals Event Timing
225	42	E12A	Animals Event Timing
226	45	E22D	Handler: Animals
227	11	E30B	Player Controls Kempston
227	73	E349	Get Random Number
227	97	E361	Handler: Bad Door
227	164	E3A4	Lose A Life
227	194	E3C2	Controller: Is There A Bomb?
227	224	E3E0	Handler: Explosion
228	111	E46F	Table: Bomb
228	122	E47A	Handler: Bomb
228	241	E4F1	Handler: Lifts 2
229	129	E581	Handler: Disappearing Floors
229	244	E5F4	Handler: Items
230	188	E6BC	Messaging: Find The Gold Key
230	220	E6DC	Print Colour Character
231	47	E72F	Routine at E72F
231	98	E762	Convert Coordinate To Buffer Offset
231	135	E787	Print Sprite/ Update Buffer
232	4	E804	Routine at E804
232	32	E820	Data block at E820
232	33	E821	Handler: Lifts
233	217	E9D9	In-Game Pause
233	226	E9E2	Routine at E9E2
234	147	EA93	Print Sprite
235	5	EB05	Player: Move Right
235	73	EB49	Player: Move Left
235	141	EB8D	Handler: Unlock Door
235	216	EBD8	Handler: Player
237	53	ED35	Player Controls
237	125	ED7D	In-Game Toggle Music
237	143	ED8F	Routine at ED8F
237	154	ED9A	Handler: Ladders Descending
238	8	EE08	Handler: Ladders Ascending
238	91	EE5B	Handler: Doors
238	166	EEA6	Routine at EEA6
238	215	EED7	Routine at EED7
240	1	F001	Handler: Pirates
241	4	F104	Handler: Housekeeping
241	7	F107	Handler: Keys And Locked Doors
241	175	F1AF	Routine at F1AF
241	229	F1E5	Routine at F1E5
241	252	F1FC	Handler: Port Hole
242	49	F231	Table: Player Attributes
242	69	F245	Table: Default Player Attributes
242	89	F259	Port Hole Timer Frame Skip
242	90	F25A	Unused
242	91	F25B	Graphics: Extra
242	123	F27B	Graphics: Lifts
242	187	F2BB	Messaging: Game Status Bar
242	219	F2DB	Table: Bomb Sparks
242	249	F2F9	Table: Default Bomb Sparks
243	23	F317	Data block at F317
243	28	F31C	Game status buffer entry at F31C
243	48	F330	Pointer: Room Buffer
243	50	F332	Game status buffer entry at F332
243	52	F334	Lifts/ Pirates Frame Skip
243	53	F335	Active Sprite Width
243	54	F336	Active Sprite ID
243	55	F337	Unused
243	58	F33A	Data block at F33A
243	64	F340	Demo Mode Timer
243	65	F341	Bomb Frame Skip
243	66	F342	Kempston Control
243	67	F343	Random Number Seed
243	69	F345	Unused
244	0	F400	Interrupt Low-Order Byte Jump Table
245	0	F500	Unused
246	24	F618	Sound Generator: White Noise
246	72	F648	Play Wave #1
246	108	F66C	Play Wave #2
246	143	F68F	Play Wave #3
246	181	F6B5	Play Wave #4
246	219	F6DB	Music: Theme Tune
247	35	F723	Sound Handler: Collected Key
247	59	F73B	Sound Handler: Unlocked Door
247	83	F753	Sound Handler: Caught By Pirate
247	116	F774	Sound Handler: Bomb Explosion
247	140	F78C	Sound Handler: Collected Item
247	164	F7A4	Sound Handler: Touched Animal
247	194	F7C2	Routine at F7C2
247	216	F7D8	Sound Handler: Bomb Fuse
247	246	F7F6	Sound Handler: Bomb Sparks
248	13	F80D	Controller: Animal Sounds
248	55	F837	Sound Handler: Bird Sound
248	85	F855	Controller: Bomb Sounds
248	99	F863	Controller: General Sounds
248	136	F888	Routine at F888
248	175	F8AF	Bomb Timer
248	192	F8C0	Delay Loop
248	198	F8C6	Unused
250	0	FA00	Melody Data: Theme Tune
252	21	FC15	Data block at FC15
254	105	FE69	Handler: Interrupts
254	134	FE86	Bomb Helper
254	136	FE88	Interrupt Counter
254	137	FE89	Data block at FE89
254	254	FEFE	Alias: Interrupt Jump Dispatcher
255	1	FF01	Data block at FF01
255	220	FFDC	Unused
255	235	FFEB	Data block at FFEB
255	247	FFF7	Game status buffer entry at FFF7
255	248	FFF8	Music: On/ Off
255	249	FFF9	Music: Theme Tune Pointer
255	251	FFFB	Sound Flag:
255	252	FFFC	Sound Flag:
255	253	FFFD	Sound Flag: Bomb
255	254	FFFE	Sound Flag: General
255	255	FFFF	Sound Flag: Animal