Memory map

Page	Byte	Address	Description
64	0	16384	Loading screen
91	0	23296	Random Seed 1
91	1	23297	Unused
91	2	23298	Frame Counter
91	4	23300	Control Method
91	5	23301	Random Seed 2
91	6	23302	Previous Control Method
91	7	23303	Unused
91	8	23304	Wiped Area Count
91	9	23305	Saved Stack Pointer
91	11	23307	Room Size X
91	12	23308	Room Size Y
91	13	23309	Room Colour
91	14	23310	Floor Height
91	15	23311	Unused
91	18	23314	Room Flags
91	19	23315	Pickup Drop Pressed Flag
91	20	23316	Objects Carried Changed Flag
91	21	23317	Controls Pressed
91	22	23318	Text Attribute
91	23	23319	Redraw Panel Flag
91	24	23320	Border Drawn Flag
91	25	23321	Position Offset
91	26	23322	Lives
91	27	23323	Saved Position
91	30	23326	Objects Drawn
91	31	23327	Unused
91	32	23328	Object Type Table Address
91	34	23330	Unused
91	35	23331	Game Completed Flag
91	36	23332	Game Over Flag
91	37	23333	Block Scratch
91	38	23334	Unused
91	39	23335	Font Pointer
91	41	23337	Unused
91	43	23339	Drawing List Pointer
91	45	23341	First List Position
91	47	23343	Second List Position
91	49	23345	Tune Played Flag
91	50	23346	Directional Key Pressed Flag
91	51	23347	No Room To Drop Flag
91	52	23348	Chamber Address
91	54	23350	Light Years Remaining
91	58	23354	Egg Top Flag
91	59	23355	Egg Top Disabled Flag
91	60	23356	Cryonauts Lost
91	62	23358	Chambers Found Activated
91	63	23359	Chambers Not Activated
91	64	23360	Chambers Activated
91	65	23361	Game Over Scene Stage
91	66	23362	Remote Control Command
91	67	23363	Land Mine Flag
91	68	23364	Unused
91	88	23384	Rooms Visited Bitmap
91	120	23416	Objects Carried Header
91	124	23420	Objects Carried
91	136	23432	Player Bottom Object
91	168	23464	Player Top Object
91	200	23496	Special Object Slots
92	8	23560	Room Objects
98	136	25224	Unused
99	0	25344	Game Entry Point
99	8	25352	Font
100	96	25696	Room Sizes
100	105	25705	Room Data
115	200	29640	Object Types
116	8	29704	Second Object Types
116	24	29720	Object Templates
117	25	29977	Block Types
117	53	30005	Block Templates
118	227	30435	Special Objects
120	39	30759	Sprite Pointers
121	47	31023	Sprite: Null Sprite
121	49	31025	Sprite: Panel Decoration
121	171	31147	Sprite: Pot Of Oil
123	11	31499	Sprite: Land Mine
123	197	31685	Sprite: Spiked Dome
124	93	31837	Sprite: Remote Control Robot
126	165	32421	Sprite: Remote Control Arrow
128	121	32889	Sprite: Clockwork Mouse
130	241	33521	Sprite: Chasing Dome
132	93	33885	Sprite: Hammer
132	223	34015	Sprite: Boxing Glove
133	113	34161	Sprite: Alarm
133	181	34229	Sprite: Hook
134	97	34401	Sprite: Robot Arm
134	197	34501	Sprite: Panel Bracket
135	75	34635	Sprite: Robot Mouse Base
135	173	34733	Sprite: Broken Egg
136	179	34995	Sprite: Unused Ramp
137	125	35197	Sprite: Cryonaut
138	63	35391	Sprite: Robot Mouse Frame 1
138	215	35543	Sprite: Blocks
141	133	36229	Sprite: Robot Mouse Frame 2
142	29	36381	Sprite: Deadly Tubes
142	231	36583	Sprite: Arch
145	3	37123	Sprite: Wall
147	39	37671	Sprite: Border
148	99	37987	Sprite: Panel
149	11	38155	Sprite: Deadly Pyramid
149	205	38349	Sprite: Extra Life
150	19	38419	Sprite: Robot Turning
153	63	39231	Sprite: Robot Walking
159	183	40887	Sprite: Wall Corner
160	25	40985	Sprite: Sparkle
163	85	41813	Sprite: Valve Socket
164	31	42015	Sprite: Valve
166	49	42545	Start Game
166	71	42567	Restart Game
166	80	42576	Initialise Game
166	136	42632	Start Life
166	139	42635	Run Game
167	73	42825	Update Panel
167	151	42903	Messaging: Light Years Caption
167	163	42915	Print Activated Chambers
167	174	42926	Colour Counter Box
167	202	42954	Counter Box Attributes
167	220	42972	Reset Wipe Flags
167	234	42986	Object Update Routines
168	240	43248	Do Nothing
168	241	43249	Check Protection
168	249	43257	Handle Land Mine
169	90	43354	Handle Ending Robot Top
169	113	43377	Handle Ending Robot Bottom
169	177	43441	Handle Spiked Dome
169	199	43463	Handle Remote Control Robot
170	67	43587	Remote Control Robot Speeds
170	77	43597	Handle Remote Control Block
170	99	43619	Handle Remote Control Arrow
170	137	43657	Handle Chasing Dome
170	161	43681	Handle Clockwork Mouse
171	31	43807	Face Direction Of Travel
171	97	43873	Handle Attacking Tool
171	245	44021	Handle Alarm
172	33	44065	Colour Cells
172	107	44139	Count Statistics
173	19	44307	Handle Egg Top
173	84	44372	Play Landing Sound Once
173	102	44390	Update Light Years
173	176	44464	Print Counter Digit
173	201	44489	Decrement Light Years
173	229	44517	Roll Counter Digits
173	243	44531	Set Wipe And Draw Flags For Object
174	3	44547	Find Object
174	23	44567	Handle Valve Ghost
174	51	44595	Handle Valve Ghost Sparkle
174	93	44637	Handle Placed Valve
174	104	44648	Handle Socket
174	129	44673	Test Valves In Play
174	138	44682	Calculate Pixel Position Of Other Object
174	150	44694	Handle Cryonaut
174	153	44697	Place Special Objects In Room
175	5	44805	Update Special Objects
175	63	44863	Initialise Special Objects
175	121	44921	Handle Valve
176	85	45141	Handle Mouse Second Part
176	107	45163	Handle Circuit Mouse
176	173	45229	Turn Mouse One Way
176	221	45277	Turn Mouse Other Way
176	231	45287	Set Mouse Speed
177	8	45320	Mouse Speeds
177	16	45328	Handle Bouncing Mouse
177	101	45413	Set Speed Towards Player
177	133	45445	Toggle Sprite Number
177	140	45452	Next Sprite Number
177	156	45468	Handle Homing Sparkle
177	174	45486	Face Direction Of Movement
177	229	45541	Copy Previous Position
177	250	45562	Extend Object Downwards
178	11	45579	Restore Object Height
178	28	45596	Handle Block Moving North South
178	36	45604	Handle Block Moving East West
178	103	45671	Handle Conveyor North
178	122	45690	Handle Conveyor East
178	128	45696	Handle Conveyor South
178	134	45702	Handle Conveyor West
178	140	45708	Handle Collapsing Block
178	159	45727	Handle Deadly Object
178	164	45732	Handle Broken Egg
178	167	45735	Set Deadly Flags
178	176	45744	Set Deadly Flags And Draw
178	182	45750	Handle Falling Block
178	217	45785	Save Position
178	235	45803	Compare Position
178	255	45823	Handle Fat Bottom Block
179	26	45850	Handle Fat Top Block
179	31	45855	Handle Rising Block
179	63	45887	Handle Moving Block
179	154	45978	Turn Into Sparkle
179	164	45988	Handle Sparkle
179	176	46000	Remove Object
179	184	46008	Retire Object
179	191	46015	Play Sound And Redraw
179	197	46021	Start Game Tune
179	215	46039	Robot Tune
179	247	46071	Game Over Tune
180	55	46135	Game Complete Tune
180	81	46161	Menu Tune
180	161	46241	Play Music Once
180	169	46249	Play Music Until Key Pressed
180	186	46266	Play Music
180	197	46277	Play Note
181	29	46365	Music Note Table
181	212	46548	Play Pitch From Table
181	230	46566	Pitch Table
181	238	46574	Play Sparkle Sound
182	4	46596	Play Appearing Sound
182	25	46617	Play Bump Sound
182	44	46636	Play Jump Sound
182	60	46652	Play Sound From Height
182	63	46655	Play Sound From Value
182	74	46666	Play Sound From X Position
182	79	46671	Play Sound From Y Position
182	84	46676	Play Sound From Position
182	95	46687	Play Sound From Object Number
182	118	46710	Play Random Noise
182	144	46736	Play Moving Sound
182	169	46761	Moving Sound Lengths
182	177	46769	Play Low Beep
182	182	46774	Play Middle Beep
182	187	46779	Play High Beep
182	192	46784	Play Mouse Sound
182	206	46798	Play Footsteps Sound
182	212	46804	Play Footsteps Sound Every Frame
182	251	46843	Play Wave Sequence
183	2	46850	Play Square Wave
183	18	46866	Test Object Intersections
183	77	46925	Test Object Solid
183	89	46937	Read Keyboard Port
183	97	46945	Game Over
183	245	47093	Messaging: Reprogramming
184	4	47108	Place Scene Objects
184	42	47146	Game Over Scene
184	83	47187	Game Completed Scene
184	99	47203	Visit Room
184	129	47233	Count Rooms Visited
184	153	47257	Wait For Key Press
184	169	47273	Game Completed
184	208	47312	Game Completed Colours
184	215	47319	Game Completed Coordinates
184	229	47333	Messaging: Game Completed Text
185	79	47439	Game Over Colours
185	86	47446	Game Over Coordinates
185	100	47460	Messaging: Game Over Text
185	221	47581	Rating Messages
185	237	47597	Messaging: Rating Text
186	54	47670	Print Statistics
186	87	47703	Print Lives
186	98	47714	Print BCD Number
186	106	47722	Print BCD Bytes
186	116	47732	Print Low Digit
186	126	47742	Game Selection Menu
186	251	47867	Flash Menu Options
187	20	47892	Menu Colours
187	28	47900	Menu Coordinates
187	44	47916	Messaging: Menu Text
187	157	48029	Print Text Single Colour
187	177	48049	Print Text Standard Font
187	235	48107	Print Character
188	21	48149	Set Flashing Attribute
188	37	48165	Display Menu
188	49	48177	Display Text List
188	86	48214	Print Sprites
188	112	48240	Handle Player Appearing
188	131	48259	Handle Last Appearing Sparkle
188	157	48285	Display Objects Carried
189	52	48436	Carried Object Colours
189	56	48440	Sprite Object
189	88	48472	Test Pickup Drop Key
189	107	48491	Handle Pickup And Drop
190	167	48807	Test Object Can Be Picked Up
190	175	48815	Test Near Object
190	214	48854	Test Object Moving
190	224	48864	Handle Extra Life
191	47	48943	Copy Area To Screen
191	61	48957	Set Pixel Adjustments
191	131	49027	Fill Window
191	171	49067	Set Wipe And Draw Flags
191	182	49078	Apply Gravity And Move
191	216	49112	Handle Far Arch
191	234	49130	Handle Near Arch
192	44	49196	Nudge Player To Arch
192	72	49224	Arch Direction Table
192	80	49232	Nudge Player East West
192	105	49257	Nudge Player North South
192	130	49282	Flag Player Near Arch
192	153	49305	Test Near To
192	190	49342	Handle Player Legs
193	23	49431	Test Player In Room
193	60	49468	Handle Turning
193	189	49597	Set Sprite From Table
193	210	49618	Turning Right Sprite Table
193	218	49626	Turning Left Sprite Table
193	226	49634	Handle Turning Legs
194	45	49709	Turned Right Sprite Table
194	53	49717	Turned Left Sprite Table
194	61	49725	Handle Jump
194	94	49758	Handle Walking
194	150	49814	Move Player
194	238	49902	Clear Speed
194	246	49910	Set Player Speed
195	25	49945	Get Facing Direction
195	47	49967	Player Movement Table
195	55	49975	Move Player West
195	64	49984	Move Player East
195	71	49991	Move Player North
195	80	50000	Move Player South
195	87	50007	Stop Object At Floor
195	109	50029	Handle Room Exit
195	134	50054	Bring Speed Closer To Zero
195	143	50063	Room Exit Table
195	151	50071	Leave Room To The West
195	240	50160	Leave Room To The East
196	11	50187	Leave Room To The North
196	38	50214	Leave Room To The South
196	66	50242	Block Movement
196	151	50327	Block Movement In X
196	230	50406	Block Movement In Y
197	53	50485	Block Movement In Z
197	169	50601	Test Overlap In X
197	190	50622	Test Overlap In Y
197	211	50643	Test Overlap In Z
197	233	50665	Keep Object In Room In X
198	19	50707	Keep Object In Room In Y
198	61	50749	Calculate Sprite Size
198	87	50775	Flag Overlapping Objects
198	228	50916	Handle Player Top
199	28	50972	List Objects To Draw
199	69	51013	List Of Objects To Draw
199	133	51077	Draw Objects In Order
200	51	51251	Drawing Order Table
200	105	51305	Continue Comparing Objects
200	111	51311	Compare With Other Object
200	171	51371	Replace Overlapping Special Object
200	213	51413	Draw Next Object
200	239	51439	List Of Replaced Objects
200	255	51455	Read Controls
201	27	51483	Read Interface 2 Joystick
201	84	51540	Read Kempston Joystick
201	121	51577	Read Cursor Joystick
201	165	51621	Read Keyboard
202	7	51719	Lose Life
202	29	51741	Copy Of Player
202	93	51805	Initial Player Data
202	109	51821	Initialise Player
202	158	51870	Start Rooms
202	162	51874	Build Room Objects
202	210	51922	Set Room Attributes
202	241	51953	Set Sprite Details
203	6	51974	Print Table Sprite
203	15	51983	Draw Panel
203	90	52058	Panel Sprites
203	138	52106	Print Border
203	195	52163	Border Sprites
203	227	52195	Set Border Attributes
204	1	52225	Place Player At Door
204	109	52333	Find Door Height
204	150	52374	Find Object Address
204	167	52391	Retrieve Room
204	208	52432	Clear Remaining Objects
204	222	52446	Make Room Objects
206	6	52742	Add A To HL
206	13	52749	Multiply A By DE
206	28	52764	Clear Bytes
206	34	52770	Pause Game
206	78	52814	Clear Objects
206	86	52822	Fill Memory
206	96	52832	Clear Screen Bitmap
206	104	52840	Clear Attributes
206	115	52851	Clear Screen
206	123	52859	Clear Screen Buffer
206	133	52869	Update Screen
206	171	52907	Draw Changed Objects
207	133	53125	Copy Block To Screen
207	167	53159	Build Lookup Tables
207	210	53202	Calculate Pixel Coordinates
207	254	53246	Get Sprite Address
208	19	53267	Draw Object
208	39	53287	Print Sprite
208	143	53391	Draw Aligned Columns
208	185	53433	Draw Lines
209	32	53536	Calculate Buffer Address
209	53	53557	Calculate Screen Address
209	87	53591	Calculate Attribute Address
209	116	53620	Flip Sprite
209	235	53739	Messaging: Copyright
210	0	53760	Screen Buffer
234	0	59904	Unused
241	0	61696	Reversed Byte Table
242	0	61952	Shifted Byte Tables