Copy of loading screen, used as title screen.
Data block at 7A75
Copy loaded screen to memory. This is used to be displayed after each game.
Points to the address of the next command in the demo data.
Ignore Energy / Demo flag.
Tests : Table of pointers for event checking functions.
Actions : Address of routines used for actions after running an event check.
Action 0C : Set Lift Lighting
Scoreboard item, drawn as a piece of furniture.
Table of addresses for each room data.
Milk (full) bitmap
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Milk (empty) bitmap
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Draw Full Milk Bitmap
Decreases Wally's milk energy level by given amount.
Draw a number of rows of a bitmap.
Increase Wally's energy by given amount.
Check to see if Wally is colliding with another sprite.
Table of found markers for each object.
Table of flags representing which rooms has visited.
Holds, in BCD, number of steps taken.
Calculate final game percentage score.
Updates the percentage score.
Object slots for each room.
Main room logic.
Test 00 : Exit position test.
Test 01 : Check for position.
Pockets for Wally's Inventory
Test 02 : See if Wally if carrying a specific object
Test 03 : See if fuel can is full.
Action 00 : Swaps object carried with object in room.
Play the picked up sound.
Action 01 : Picks up object in current room.
Checks to see if Wally has walked away from an object slot if just pick up and object.
Action 02 : Entering a new room.
Action 03 : Fills the bucket.
Action 06 : Empties the Bucket.
Action 04 : Charges the Laser Gun.
Action 05 : Discharges the laser.
Action 07 : Fills the Fuel Can.
Action 08 : Empties the Fuel Can.
Action 0F : Switch help off.
Action 0E : Switches the help on.
Action 09 : Switches on the lift.
Action : Updates screen with item that has been switched on.
Action 0B : Decrease lift count by one.
Test 04 : Is the lift is on?
Test 07 : Is the help switch is of?
Test 06 : Is the lift is off.
Action 0A : Moves the lift to a given floor value.
Test 05 : Is lift at a specific floor value.
Action 10 : Lift off from Earth.
Action 11 : Lift off from Moon
Shifts the rocket based on set up by actions Action10_LiftOffFromEarth and Action11_LiftOffFromMoon.
Checks the current room's logic and acts on anything that is 'true'.
Tiles, ceiling, floor and walls
Draw Walls, Ceiling and Floor
Table of pointers to each furniture item.
Table to pointers holding addresses to each room description data.
Description Data for each room.
DF row address look up table.
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Draw 16 x 16 bitmap shifted to pixel position.
Number of lives.
Life : Draw / Erase
Reset lives.
Wally's stats.
Main handler for moving Wally around.
Short pause.
Copy of the last direction when moving. (FF - left, 01 - right)
Check to see if Wally is standing on solid ground.
Handles Wally jumping.
Create a 'bullet' if required.
Count down for animating Wally's head.
Checks to see if Wally should turn his head towards the camera.
Move Wally and animate.
Store for keys used for game control.
Holds background colour behind wally.
Erase Wally and colour background.
Set when Wally has completed a single step.
Checks to see if wally has put a foot down, classing as one step.
Increases Wally's step count by one.
Pixel offset for Wally.
Draw Wally.
Table of translations for the jump.
Flag for input type, 0 - Keys / Sinclair Joystick, 1 - Kempston Joystick.
Simple Clear Screen
Play sound effect based on values passed in.
Simple beep
FX : White Noise
Congratulation message for winning game.
Press any key text.
Didn't win message.
Waits for a key to be pressed.
Check for SHIFT + BREAK to exit current game.
Final score text.
Data block at B217
Display number of steps and total percentage score.
Sets up and displays the lost game screen.
Sets up and displays the congratulations screen.
Sets up and displays the final score screen.
Main start routine.
Start a new game.
Scans for menu keys. (1,2,3, Enter)
Table of ZX ASCII for keyboard input conversion.
Converts the standard I/O port / address keyboard values into the equivalent ASCII value.
Set game input as Sinclair Joystick
Set game input as Kempston Joystick
Defines the keys for game input.
Key scans / port address for each key input for Sinclair Joystick.
Define keys text.
Basic beep for menu key press.
Main Menu String.
Updates the display with the correct keys defined for play.
The main menu.
Sharp, loss of energy, sound.
Action 14 : Won the game.
Animate the fireworks.
Table of pointers for each firework.
Firework scripts.
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Fireworks Furniture string.
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Check for Wally's death.
Animate Wally's Death
Lose a life, end game or resurrect Wally.
Routine at BEE1
Routine at BEFF
Knock Wally down to the floor.
Runs the current room event 6 times.
Boxing Glove Trap details.
Test 08 : Is Boxing Glove Trap safe.
Table of X,Y positions for each room when resurecting Wally.
Get ATTR(H (pixel_y),L (pixel_x) ) in A
Draws a furniture tile as a double height bitmap.
Draw tile(n) at character position (char_y, char_x).
Tile, Inverted Draw.
Bitmaps for the room and alpha-numeric tiles.
Furniture strings.
Draw Furniture Item
Display a string using double height characters.
Table of background colours for each room.
Screen Clear with special effect
Object text.
Table of pointers to each object text string.
Clear Screen
Redraw inventory area on screen.
Current Room number.
Draw Room.
'Full' Text
'Empty' Text
Draws the text for an object in a pocket.
Table of jump vectors for each room update.
Bunch of forwarders for each room update.
Calls the event for the current room.
Direction of Magnet Lock.
Displays the closing / opening Magentic Lock Bars.
Action 0D : Unlocks magentic lock by colourring the platforms.
Update Wally on the moving floor.
Falling block data for room event.
Handler : Falling Blocks
Data for Fire Handler.
Handler : Fire
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Rolling Rock Furniture string.
Draw : Rolling Rock.
Countdown before rolling rock appears.
Room Event : Rolling Rock.
start a new room.
Reset Wally's stats for a new room.
Room Event : Balloon Help.
Room Event : Moving Floor Draw.
Angel of Death stats.
Room Event : Angels of Death.
Savage plants' stats.
Room Event : Savage Plants.
Falling Book stats.
Room Event : Book Baddies.
Chicken monster stats.
Room Event : Cooked Chickens
Action 12 Grab rope and slide down bannister.
Data for the dropping weight object.
Draw and move the 3 Ton weight.
Table of food data.
Pointer to active food.
Check for food pickup by Wally.
Draws food for current room at (x, $a8)
Rolling ball stats.
Room Event : Bolling Ball.
Darts' stats.
Room Event : Darts
Data for the Ghosts.
Room Event : Ghost
Data for Space Invaders.
Room Event : Invaders
Object Flags Table.
Reset all the flags and stats for a new game.
Sound made for bouncing axe.
Bouncing Axe stats.
Room Event : Axe
Spooky hand stats.
Room Event : Spooky Hand.
Data for the Arcade Room.
Invaders : Set Y position of each invader.
Invaders : Set X pos of each invader.
Invaders : Initialise
Data for the Arcade Room.
Routine at F3A7
Data for the Arcade Room.
Reset everything for next stage.
Game loop for Invaders game room. (Room 1E)
Invaders exit check.
Invaders pause value.
Sets up the Arcade Room.
Arcade bullet data.
Invaders : Bullet Update.
Invaders pause where p = ( ($18 - p) * 32 )
Data slots for the explosion animations.
Draw and update explosions in the Arcade Room.
Create an explosions in the Arcade room.
Data for holding information on three 'bombs' in the Arcade Room.
Update and draw bombs for the Arcade room.
Set up title music to start playing.
Pause
Plays a note.
Score sheet for music.
Inialisation for the demo.
Run demo.
Demo Script.
Counts from $012c. When zero is reached energy is lost. See Energy_Countdown.
Handles countdown which indicates the loss of energy.
Main entry point once loaded.