Routines

Address	Description
24576	Scroll the screen right one column
24731	Scroll the screen left one column
24832	Print a tile (unused)
24843	Print a tile
24972	Collect one byte from a command list
24993	Get a random number
25008	Update a character's animatory state and location and update the SRB
25108	Update the SRB for a character's current animatory state and location
25126	Move the characters
25248	Terminate a command
25266	Determine whether a character should be moved (1)
25303	Make a character walk up and down until a certain time
25367	Determine whether a character should be moved (2)
25374	Check whether a signal has been raised
25404	Guide a character to an intermediate destination
25484	Guide a character up a staircase
25488	Guide a character down a staircase
25534	Make a character go to a location
25695	Guide a character from the top floor to another floor
25700	Guide a character from the bottom floor to another floor
25750	Guide a character to a location on the same floor
25810	Scroll the screen right 8 columns
25820	Scroll the screen left 8 columns
25830	Update the display (unused)
25856	Move ERIC from the midstride position and scroll the screen if necessary
25916	Put ERIC midstride, or raise his arm while writing on a blackboard
25956	Check whether ERIC is sitting or lying down
25962	Turn ERIC round
25983	'A' pressed - down
26084	'Q' pressed - up
26184	Check whether a character is on a staircase
26194	'O' pressed - left
26282	'P' pressed - right
26342	Change the lesson
26422	Get the ASCII code of the last key pressed (unused)
26426	Get the ASCII code of the last key pressed
26450	Ring the bell
26471	Main loop
26584	Get input from the Kempston joystick if it's in use
26784	Request and set the input method (keyboard, joystick, Int2)
26880	Start a new game or enter demo mode
27008	Update the SRB for one column of a sprite
27026	Update the display
27090	Set a random destination for a character
27111	Make a character go to a random location
27126	Make a little boy trip people up
27196	Make a stricken character give lines if he's a teacher
27206	Deal with a character who has been knocked over
27246	Make little boy no. 1 go to a place at random and trip people up on the way
27266	Make a little boy find and follow little boy no. 1
27303	Deal with ERIC when he's been knocked over
27351	Return to the main loop having already dealt with ERIC
27353	Deal with ERIC
27387	Add to the score and print it
27406	Print the bottom three lines of the screen
27442	Send a character on a mini-walkabout
27453	Make a character walk up and down a few times or until a certain time
27476	Lower the signal for a certain event
27480	Raise the signal for a certain event
27517	Knock the current occupant (if any) out of a chair
27543	Check whether a chair is occupied and unseat any occupant
27632	Check whether a character is beside a chair
27733	Deal with a character who's been dethroned (1)
27748	Deal with a character who's been dethroned (2)
27772	Deal with a character who is looking for a seat
27808	Make a character find a seat
27823	'S' pressed - sit/stand
27888	Make a character stand up if he's not already standing
27914	Get the base address of the graphic data for a sprite tile
27932	Control the horizontal flight of a catapult pellet
28102	Control the vertical flight of a catapult pellet
28143	Check whether a shield has been hit
28211	Select a special PLAYTIME occasionally
28220	Check whether a boy can be seen by a teacher
28304	Determine which floor is nearest to a character
28327	Get the x-coordinate range within which a character can see or be seen
28416	Check whether a character was or can be punched by ERIC or ANGELFACE
28446	Make ANGELFACE hit now and then
28544	Make ANGELFACE throw a punch (1)
28558	Make ANGELFACE throw a punch (2)
28569	Check whether anyone was punched by ERIC or ANGELFACE
28642	Make ANGELFACE throw a punch (3)
28655	Make ANGELFACE throw a punch (4)
28665	Make BOY WANDER fire his catapult (1)
28672	Make BOY WANDER fire his catapult now and then
28716	Make BOY WANDER fire his catapult (2)
28733	Make BOY WANDER fire his catapult (3)
28744	Make BOY WANDER fire his catapult (4)
28775	Make BOY WANDER fire his catapult (5)
28786	Make BOY WANDER fire his catapult (6)
28799	Make BOY WANDER his fire catapult (7)
28807	Update the SRB for a blackboard or the speech bubble lip
28882	Get the next character of a message being spoken or written
28968	Get the identifier and coordinates of the blackboard closest to a character
28994	Write a single character on a blackboard
29148	Make a teacher wipe a blackboard (1)
29160	Make a teacher wipe a blackboard (2)
29284	Make a character write on a blackboard
29394	Update the SRB for the middle six columns of the speech bubble
29442	Slide a message character into the speech bubble text window (2)
29518	Print the speech bubble
29706	Slide a message character into the speech bubble text window (1)
29735	Update the SRB for the speech bubble
29746	Remove the speech bubble
29871	Save the area of the screen that will be overwritten by a lines bubble
29977	Copy a graphic buffer to the screen
30042	Write a line of text into a graphic buffer
30097	Insert a pixel column into a graphic buffer
30132	Draw the left and right edges of a lines bubble
30156	Print a reprimand message
30208	Write a character's name into the lines bubble graphic buffer
30258	Insert a pixel column into the number graphic buffer
30278	Generate graphic data for a number
30408	Print the score, lines total or hi-score (1)
30432	Write the number of lines into the lines bubble graphic buffer
30457	Print the score, lines total or hi-score (2)
30464	Make a teacher give lines
30636	Make any nearby teacher give ERIC lines if necessary
30890	Make a teacher give lines to the closest main kid
31040	Print the lesson
31110	Make a character speak (1)
31130	Make a character speak (2)
31162	Control EINSTEIN during class (1)
31178	Control EINSTEIN during class (2)
31188	Check whether ERIC is where he should be
31229	Get ERIC's coordinates
31282	Prepare a question and answer
31452	Determine the next move of a character following another character
31638	Rewind to a specific point in a command list
31648	Make a teacher find the truant ERIC
31739	Move a character looking for ERIC from the midstride position
31768	Move a character looking for ERIC to the midstride position
31807	Restart the command list unless it's time to start the lesson
31815	Restart the command list
31834	Place a continual subcommand routine address into a character's buffer
31854	Make a teacher perform dinner duty (1)
31895	Make a teacher perform dinner duty (2)
31904	Make a teacher give lines to EINSTEIN for telling tales
31919	Make EINSTEIN speak
31944	Make a teacher wait for EINSTEIN to finish speaking
31952	Check whether ERIC and EINSTEIN are in class
31968	Make a teacher decide whether to give EINSTEIN lines for telling tales
31985	Call an interruptible subcommand
31996	Make a teacher tell the kids to go to a certain page in their books
32048	Make a teacher conduct a class without ERIC
32132	Make a teacher tell the kids to sit down
32158	Make BOY WANDER write on a blackboard
32167	Make BOY WANDER write on a blackboard if the teacher hasn't arrived yet
32178	Make a teacher conduct a class
32216	Insert a pixel column into the top or bottom half of the speech bubble text window
32234	Make a character walk fast
32242	Make a character speak at the correct speed
32250	Exit demo mode
32279	Play a tune
32390	Play the theme tune for the first time
32400	Play the theme tune
32406	Play the 'Got all shields/opened safe' tune
32418	Play the first part of the 'Got all shields/opened safe' tune
32470	Remove the speech bubble if present
32484	Save Skool Daze to tape
44520	Insert a pixel column into the message graphic buffer
44776	Insert message text into the message graphic buffer
44919	Prepare a character to be walked onto the screen (1)
45032	Print a message centred across the entire screen
45170	Get the LSB of the message address for a main character's name
45288	Print a character's title and name, and walk him onto the screen (1)
45429	Prepare a character to be walked onto the screen (2)
45544	Print a character's title and name, and walk him onto the screen (2)
45682	Prepare a message in the message graphic buffer (1)
45800	Print a character's title and name, and walk him onto the screen (3)
45937	Prepare a message in the message graphic buffer (2)
46056	Print a character's title and name, and walk him onto the screen (4)
46070	Print 'PRESS'C'TO CHANGE NAME'
46202	Prepare a character to be walked onto the screen (3)
46312	Move a character one step along the catwalk
46568	Guide a character onto the catwalk or off it
46824	Print 'PRESS'C'TO CHANGE NAME' and wait for a keypress
47080	Collect a keypress while a character's name is being entered
47208	Change a character's name (1)
47336	Change a character's name (2)
58604	Play the 'hit a shield' sound effect
60128	Make a hitting sound effect
60139	Make a jumping sound effect
60896	Prepare for a new game
61152	Prepare to change the names of the characters
61408	Display the cast of characters and change their names
62208	Make a teacher conduct a class with ERIC
62464	Make a teacher conduct a question-and-answer session
62495	Deal with ERIC when he's firing the catapult
62574	'F' pressed - fire catapult
62610	'H' pressed - hit
62617	'J' pressed - jump
62628	Deal with ERIC when he's hitting
62674	Get the attribute file address of a pellet's potential target or the safe
62705	Set the new score and print it
62714	Open the lip of the speech bubble
62750	Check whether ERIC has jumped up to the safe or a shield (1)
62771	Deal with ERIC when he's jumping
62905	Check whether ERIC is standing on a boy who's been knocked out
62938	Collect a keypress during the game (or simulate one in demo mode)
63056	'W' pressed - write on a blackboard
63146	Deal with ERIC when he's writing on a blackboard
63191	Make MR CREAK reveal his safe combination letter if appropriate
63231	Get the address of the appropriate 'Go home' message
63242	Unflash the safe and all the shields
63270	Check whether ERIC has jumped up to the safe or a shield (2)
63352	Deal with ERIC when he's being spoken to by a little boy
63374	Make a character find ERIC
63456	Make MR WACKER give ERIC 2000 lines
63488	Make little boy no. 10 give ERIC a message
63573	Generate a safe combination code and set MR CREAK's birth year
63668	Adjust the game mode
63734	Check whether MR CREAK can reveal his safe combination letter
63749	Collect the identifier for the next lesson
63768	Scroll the skool into view and enter the main loop
63779	Make MR CREAK ask the birth year question if appropriate
63829	Make a stricken teacher give lines or reveal his safe combination letter
63909	Print the lesson
63931	Check whether ERIC has 10000 lines
63964	Make a teacher tell ERIC to go home, and end the game (1)
63973	Compare a character's coordinates with ERIC's
63990	Make a teacher tell ERIC to go home, and end the game (2)
64004	Adjust the lesson length and prepare a character for the search for ERIC
64016	Check whether MR CREAK is near a blackboard last written on by ERIC
64035	Restart command list 220
64042	Check whether ANGELFACE is touching ERIC
64073	Ask whether the characters' names should be changed
65088	Make a walking sound effect (yellow border)
65106	Make a walking sound effect (blue border)
65111	Make a knocked-out sound effect
65141	Make a catapult sound effect