Routines

Address	Description
24576	The game has just loaded
25129	Main loop
25167	Read the keyboard and update Horace's sprite accordingly
25399	Move Horace and the guards
25562	Move a guard
25886	Redraw the tiles behind Horace and the guards if they've moved
25947	Redraw the tiles behind a guard after he's moved
26017	Add to the score if Horace has eaten something
26146	Draw the guards
26173	Draw a guard
26276	Check whether Horace has run into a guard
26426	Lose a life
26657	Draw Horace
26730	Draw the bell and check whether Horace has sounded the alarm
26887	Check whether a guard should drop his lunch
26914	Make a guard drop his lunch if necessary
26988	Decrement the guard countdown timers
27022	Toggle the sound on/off if 'T' is pressed
27044	Ring the bell if necessary
27166	Enter the next maze
27170	Initialise the guard countdown timers
27199	Copy a guard buffer into the temporary location
27242	Copy the temporary guard buffer back into place
27255	Make the title screen or game over sound effect
27294	Get the tunnel offset and bell, initial guard and entrance locations for the current maze
27404	Wait for 26*BC+5 T states
27410	Collect a pseudo-random number (from the ROM)
27425	Print the score or high score
27464	Compute and print a digit
27509	Draw the current maze
27606	Draw a sprite
27642	Print a tile or font character
27663	Convert a sprite location or display file address into an attribute file address
27680	Check the attribute bytes at a sprite's location
27718	Check the attribute byte at a sprite tile location
27752	Copy maze background tiles into a guard's buffer
27797	Copy a maze background tile into a guard's buffer
27842	Check the tiles next to Horace or a guard
27898	Identify a tile in front of a sprite
27927	Get the location of the tile in front of a sprite
27982	Print 'HUNGRY' or 'HORACE' on the title screen