West Bank: Memory map

Page	Byte	Address	Description
64	0	16384	Loading screen
91	0	23296	General Buffer
91	128	23424	Draw Text (alias)
91	131	23427	Displays The "Life" Images (alias)
91	134	23430	Lives Memory Address
91	136	23432	Jump Controls
91	140	23436	Scoring Preparation (alias)
91	143	23439	Character Address (alias)
91	146	23442	Draw Character (alias)
91	149	23445	Merge Shot (alias)
91	152	23448	Display The "Score" Images (alias)
91	155	23451	Unused
91	192	23488	Dueller Number 1
91	209	23505	Dueller Number 2
91	226	23522	Dueller Number 3
91	243	23539	Data block at 5BF3
92	176	23728	Control method
92	177	23729	Current Level
92	178	23730	Unused
92	240	23792	Unused
93	0	23808	Startup code (Dinamic)
93	69	23877	Unused/ Stack
96	0	24576	High Score Table
99	128	25472	Level Selection
100	146	25746	Level Selection Text
100	200	25800	Unused
100	203	25803	Unused
101	0	25856	Sounds
101	128	25984	Unused
101	170	26026	Unused
101	174	26030	Unused
102	0	26112	Scroll Screen Right
103	0	26368	Scroll Screen Left
104	0	26624	Jack Vicious (bandit)
110	48	28208	Green Jordan (customer)
120	128	30848	Bandit 2
124	160	31904	Daisy (customer)
134	240	34544	Bandit 3
141	32	36128	Bandit 4
147	80	37712	Bandit 5
153	128	39296	Bandit 6
159	176	40880	Bowie (special)
178	64	45632	Julius (special)
186	128	47744	Door Frame 1
188	232	48360	Door Frame 2
190	160	48800	Door Frame 3
191	168	49064	Door Frame 4
192	0	49152	BANG!
192	160	49312	Character Set
194	224	49888	Unused
195	0	49920	Draw Playfield
195	187	50107	Unused
195	192	50112	Start the duel
195	234	50154	Duel Bonus Round Data
196	33	50209	The speed to run the duel, from 1 (slowest) to 32 (fastest). It is always set to 1 and never changes.
196	34	50210	Duel Bonus Round
197	131	50563	Play a gunshot sound
197	139	50571	Run the state machine on a dueller
197	235	50667	Take action on a dueller if the player shot them
197	246	50678	Player shot a dueller after they drew, so award a bonus.
198	34	50722	"Extra" text
198	40	50728	Displays "Extra" and Bonus Score text
198	77	50765	Playfield Text
198	97	50785	Draw Duel Bandit
198	127	50815	Set the time delay for a dueller
198	135	50823	Lose A Life
198	144	50832	Is The Duel Finished?
198	167	50855	Write "Lives" text
198	177	50865	Duel: Gain Extra Life
198	211	50899	Write "Countdown" text
198	224	50912	Duel Countdown Timer
198	226	50914	Duel Shot Flag
198	227	50915	Duel Lost Life Flag
198	228	50916	Duel Extra Life Flag
198	229	50917	Process Dueller Shot when it's too early
198	240	50928	Flash Life Image
199	30	50974	Unused
199	32	50976	Sheriff's Star Page
199	101	51045	Sheriff's Star Page Text
199	189	51133	Unused
199	192	51136	New Game
199	229	51173	Run the game
201	65	51521	Make the game run faster
201	89	51545	Door Attributes
201	183	51639	Prepare To Display The Current Phase
202	128	51840	Set to 1 if this phase is complete
202	129	51841	Run a phase and bonus level until completed or game over
202	231	51943	Main game loop
203	207	52175	Unused
203	208	52176	Current text attributes
203	210	52178	Draw Text in two colours
203	252	52220	Draw a Character
204	43	52267	Get the attribute address from a screen address
204	56	52280	Buffer for holding Copy_Routine address
204	58	52282	Main Playfield Initialisation
204	89	52313	Number of lives remaining
204	90	52314	Display The "Life" Images
204	141	52365	Deposit Flags
204	153	52377	Probably represents each block of six deposit flags
204	155	52379	Draws Deposit Cashboxes
205	27	52507	Flash Lives/ Lose Life
205	71	52551	Dramatic effect / Lose a life
205	100	52580	Configurable "pause"
205	104	52584	Initialise Door Flags
205	126	52606	Debugger
205	134	52614	Score ($06 bytes)
205	140	52620	Game status buffer entry at CD8C
205	141	52621	Game status buffer entry at CD8D
205	144	52624	Draw Score To The Screen
205	174	52654	Draw Numbering from Character Set Index
205	195	52675	Apply Scoring
206	18	52754	Control Method Routine Alias
206	20	52756	Door Routine Buffer
206	26	52762	Door Frame Reference
206	27	52763	Basic door speed multiplier for opening doors - always 3.
206	28	52764	Game speed. Starts at 1280 for phase one, then gradually gets faster.
206	30	52766	Current door speed multiplier (larger = slower). Cycles between the value in 52763 and 1, allowing doors to open at different times.
206	31	52767	Defines the entry point for the choosing routines. Note, this isn't for one choice - they chain into each other this simply points to where the chain starts.
206	33	52769	Choose Door Character
206	184	52920	Character Initialisations
208	118	53366	Character Defaults
209	47	53551	Door data values
209	101	53605	Door 1 Flags
209	115	53619	Door 2 Flags
209	129	53633	Door 3 Flags
209	143	53647	Set to 1 if state times should not be copied back after being run
209	144	53648	Set to 1 if money should be collected from this door
209	145	53649	Set to 1 if the reward screen should appear at the end of a run of 9 days (for day 2 and above).
209	146	53650	Copy Source Character Data To Character State Data
210	207	53967	Run the appropriate keyboard or joystick routine
210	215	53975	Take action on player input
210	254	54014	Player mistakes
210	255	54015	Most recent user input for gun
211	0	54016	Player Shot
211	1	54017	Player Left/ Right
211	3	54019	Player Shooting
211	7	54023	Action Controls
211	146	54162	Reads In-Game Joystick Controls
211	155	54171	Reads In-Game Keyboard Controls (1-2-3)
211	180	54196	Draw Gun Shot Mask
211	203	54219	Draw Gun Shot
211	226	54242	Reads In-Game Controls (Left + Right)
211	234	54250	Scan the doors to see if they are closed, and take action if so
212	7	54279	Return with the carry flag set if the phase is complete
212	17	54289	See if all doors are closed, then check for movement
212	45	54317	Move right
212	73	54345	Move left
212	92	54364	Cash Deposit Box Reference
212	94	54366	Highlight Active Doors
212	143	54415	Customer Logic
213	163	54691	Hit Detection
213	176	54704	Character Index
213	202	54730	Draw Character In Doorway
213	230	54758	Copy Routine
213	250	54778	Merge Gun Shot Onto Background
214	16	54800	Adjust a screen address across a boundary
214	30	54814	Write Character And Door To Buffer
214	100	54884	Draw Doors
215	30	55070	Generic Bandit in Door Frame Logic
215	197	55237	Bowie logic
216	161	55457	Remove a character from a door
216	172	55468	Hash values for random number generator
216	176	55472	Generate a random number
216	229	55525	Julius logic
218	12	55820	Drawing Bandit Logic
218	239	56047	Generate a random number added to the system clock.
218	254	56062	Unused
223	160	57248	Slot Numbering
224	96	57440	Centrepiece
224	192	57536	Top Door Frames
225	192	57792	Left Side Wall
226	112	57968	Middle Wall Section
227	208	58320	Door Frame Right Side
228	40	58408	Bottom Door Frames
229	40	58664	Tellers
233	40	59688	Score Image (text)
233	136	59784	Lives Image (text)
234	144	60048	Door Buffer
237	0	60672	Attribute Data
240	0	61440	BANG Frames
246	0	62976	Sheriffs Badge
248	128	63616	Display the "blown up" effect after shooting the bomb
249	0	63744	Dollar Sign
249	80	63824	Dollar Sign (scrolling)
250	0	64000	High Score Entry
251	120	64376	High Score Table Name Entry
251	213	64469	Print a high score entry
252	103	64615	Unused
253	0	64768	Unused
253	128	64896	Abort the game after pressing break (CAPS + SPACE)
253	206	64974	Unused
253	209	64977	Unused
254	0	65024	Title Screen
254	234	65258	Title Screen/ Game Options
255	88	65368	Gun Shot Mask
255	104	65384	Gun Shot
255	120	65400	Cash Box
255	184	65464	Lives Graphic
255	232	65512	Data block at FFE8