Chuckie Egg

Memory map

Page	Byte	Address	Description
97	168	61A8	Current level data
110	200	6EC8	Current player score
110	206	6ECE	Player 1 score
110	212	6ED4	Player 2 score
110	217	6ED9	Player 3 score
110	224	6EE0	Player 4 score
110	230	6EE6	Current eggs left
110	231	6EE7	Player 1 eggs left
110	232	6EE8	Player 2 eggs left
110	233	6EE9	Player 3 eggs left
110	234	6EEA	Player 4 eggs left
110	235	6EEB	Current level - 1
110	236	6EEC	Player 1 level - 1
110	237	6EED	Player 2 level - 1
110	238	6EEE	Player 3 level - 1
110	239	6EEF	Player 4 level - 1
110	240	6EF0	Player 1 lives
110	241	6EF1	Player 2 lives
110	242	6EF2	Player 3 lives
110	243	6EF3	Player 4 lives
114	216	72D8	X position
114	217	72D9	Y position
114	219	72DB	Current player sprite
115	45	732D	Input selection mechanism
115	46	732E	Bitmask to select for UP key
115	47	732F	Input to port FE for UP key
115	48	7330	Bitmask to select for DOWN key
115	49	7331	Input to port FE for DOWN key
115	50	7332	Bitmask to select for LEFT key
115	51	7333	Input to port FE for LEFT key
115	52	7334	Bitmask to select for RIGHT key
115	53	7335	Input to port FE for RIGHT key
115	54	7336	Bitmask to select first JUMP key
115	55	7337	Input to port FE for first JUMP key
115	56	7338	Bitmask to select second JUMP key
115	57	7339	Input to port FE for second JUMP key
115	58	733A	Number of players
115	59	733B	Current player
115	60	733C	Game status buffer entry at 733C
115	61	733D	Screen position for the active score display
115	63	733F	Bonus / 10
115	66	7342	Time
115	69	7345	Game status buffer entry at 7345
115	72	7348	Co-ordinates of the mother duck
115	74	734A	Game status buffer entry at 734A
115	78	734E	Screen position of first lift
115	80	7350	Set to FF to disable lifts
115	81	7351	Y co-ordinate of first lift
115	82	7352	Screen position of second lift
115	84	7354	Y co-ordinate of second lift
115	85	7355	Set to 1 if travelling upwards on a lift
115	86	7356	Co-ordinates of duckling
115	91	735B	Co-ordinates of duckling
115	107	736B	Speed of ducklings (?)
115	115	7373	Set to FF if the Fuller Orator is active
115	116	7374	Current Fuller Orator data
130	20	8214	Data block at 8214
130	116	8274	Scrolling message buffer
131	144	8390	Instructions
132	240	84F0	UDGs
133	240	85F0	Character set
137	104	8968	UDGS - High score defaults
137	200	89C8	UDGS - "Level"
137	224	89E0	UDGs - level number
138	48	8A30	UDGs - mother duck's cage
138	160	8AA0	UDGS - lives / level
138	176	8AB0	UDGs - game text
139	80	8B50	Data block at 8B50
141	240	8DF0	Sprite - player right
142	112	8E70	Sprite - player left
142	240	8EF0	Sprite - mother duck right
143	48	8F30	Sprite - mother duck right
143	112	8F70	Data block at 8F70
143	144	8F90	Sprite - player climbing ladder
144	16	9010	Sprite - duckling L
144	48	9030	Sprite - duckling R
144	80	9050	Sprite - duckling climbing ladder
144	144	9090	Sprite - duckling L
144	176	90B0	Sprite - duckling R
144	208	90D0	Sprite - duckling eating corn L
144	240	90F0	Sprite - duckling eating corn R
145	16	9110	Data block at 9110
145	30	911E	Move the ducklings
146	101	9265	See if any duckling can eat corn
146	156	929C	See if the player has collided with a duckling
147	221	93DD	Return the display file and attribute address of a sprite
147	254	93FE	Return the room buffer location at the position specified
148	4	9404	Return the display file address of a sprite
148	56	9438	Return the UDG at the location specified
148	62	943E	Unused
148	64	9440	Unused
148	70	9446	Data block at 9446
148	91	945B	Data block at 945B
149	56	9538	Redraw the attributes after a sprite moves
149	132	9584	Return an attribute address given co-ordinates
149	166	95A6	Return the location in the room buffer for a co-ordinate
149	197	95C5	Data block at 95C5
150	48	9630	Data block at 9630
151	135	9787	Data block at 9787
151	167	97A7	Data block at 97A7
151	175	97AF	Data block at 97AF
152	88	9858	Run the game
153	223	99DF	Check if the player has picked up an egg or corn
154	71	9A47	Data block at 9A47
154	76	9A4C	Draw a sprite
155	222	9BDE	Convert a sprite's co-ordinates to a screen address
155	255	9BFF	Data block at 9BFF
156	64	9C40	Print a string of UDGs
156	142	9C8E	Data block at 9C8E
156	156	9C9C	IM2 hook
156	159	9C9F	Data block at 9C9F
156	164	9CA4	Play a sound
156	181	9CB5	Data block at 9CB5
156	194	9CC2	IM2 - play Fuller Orator
156	235	9CEB	Set up a sound to play through the Fuller Orator
157	6	9D06	Data block at 9D06
157	8	9D08	Check for left or right input and move the player accordingly
157	241	9DF1	Data block at 9DF1
158	52	9E34	Return the UDG at the location specified
158	89	9E59	Data block at 9E59
158	102	9E66	Check there is enough headroom to jump
158	141	9E8D	Data block at 9E8D
158	152	9E98	Move the player onto a ladder
159	63	9F3F	Data block at 9F3F
159	96	9F60	Move the player off a ladder
159	223	9FDF	Data block at 9FDF
160	20	A014	Move the lifts
160	123	A07B	Invalidate a lift
160	169	A0A9	Draw a lift
160	197	A0C5	Data block at A0C5
160	200	A0C8	Move the mother duck
161	154	A19A	Data block at A19A
161	184	A1B8	Decrease the timer and bonus
162	28	A21C	See if the player is now in mid-air, and if so, fall
162	86	A256	Move the player up are down after jumping or falling
162	148	A294	Make the player fall if we're in mid-air
163	127	A37F	Redraw the player's position after moving in mid-air
163	137	A389	Play a random sound through the Fuller Audiobox
163	165	A3A5	Data block at A3A5
163	167	A3A7	Update the score
164	16	A410	Main entry point
164	200	A4C8	Display instructions
165	157	A59D	Run the game
166	254	A6FE	Run the "lose a life" sequence
168	12	A80C	Routine at A80C
168	236	A8EC	Routine at A8EC
169	33	A921	Pause
169	41	A929	Routine at A929
169	96	A960	Routine at A960
169	104	A968	Routine at A968
169	206	A9CE	Scroll the level number across screen before starting it
169	250	A9FA	Routine at A9FA
170	12	AA0C	Routine at AA0C
170	35	AA23	Return the attribute buffer for a co-ordinate on screen
170	55	AA37	Print a series of attributes
170	73	AA49	Redefine the keys
170	186	AABA	Routine at AABA
170	228	AAE4	Play a random sound
170	244	AAF4	Return any key pressed
171	25	AB19	Display a line of text
171	96	AB60	Play a note of a tune
171	123	AB7B	Scroll a string of text on screen
171	158	AB9E	Clear the screen
171	173	ABAD	Print the high score table
171	233	ABE9	Sound directives
171	242	ABF2	High score
172	2	AC02	Redefine keys
172	34	AC22	Move up
172	44	AC2C	Move down
172	54	AC36	Move left
172	64	AC40	Move right
172	74	AC4A	Jump
172	78	AC4E	Intro screen UDGs
172	124	AC7C	Intro scrolling message
172	202	ACCA	Instructions scrolling message
173	33	AD21	Number of players
173	63	AD3F	Game over
173	73	AD49	Player
173	82	AD52	Level
173	88	AD58	Data block at AD58
173	89	AD59	Data block at AD59
173	90	AD5A	Out of time
173	103	AD67	High score message
174	12	AE0C	Theme tune
174	106	AE6A	Lose a life tune
174	156	AE9C	Run the current level until complete or a duck is hit
177	48	B130	Colour in the screen with attributes
177	79	B14F	Play a random sound through the Fuller Orator
177	95	B15F	Fuller Orator allophones
177	103	B167	Assembler
178	0	B200	IM2 jump vector
179	6	B306	Assembler
179	74	B34A	Data block at B34A
179	76	B34C	Shunt the player to the end of the platform if we're near it
179	129	B381	Assembler
179	176	B3B0	Level 1
182	80	B650	Level 2
184	240	B8F0	Level 3
187	144	BB90	Level 4
190	48	BE30	Level 5
192	208	C0D0	Level 6
195	112	C370	Level 7
198	16	C610	Level 8
200	176	C8B0	Data block at C8B0
200	198	C8C6	Fuller Orator data