Gunfright: Routine at 43455

43455: Handle Horse

Type 20: a horse waiting in the street. It goes away if the sheriff is three cells away. If the sheriff touches it, the horse is removed, the sheriff turns into a mounted sheriff (type 21) who has a higher top speed, and the price of the horse is taken from the bounty.
Remove the horse if the sheriff has moved away.
HandleHorse	43455	LD C,3	Set the distance to three cells.
	43457	CALL CheckDistance	Check how close the sheriff is.
	43460	JP NC,HandleBody_Remove	Remove the horse if the sheriff has moved away.
Mount the sheriff when he touches the horse.
	43463	CALL CheckSheriffTouch	Check whether the sheriff is touching the horse.
	43466	RET NC	Return if not.
	43467	LD A,8	Write 8 to SoundNotesLeft so that the sound lasts eight notes.
	43469	LD (41532),A
	43472	LD HL,44735	Point SoundNoteAddress at the notes of the horse sound.
	43475	LD (41533),HL	Point SoundNoteAddress at the notes of the horse sound.
	43478	LD (IX+0),0	Remove the horse.
	43482	LD A,18	Raise the top speed of the sheriff to 18.
	43484	LD (41503),A	Raise the top speed of the sheriff to 18.
	43487	LD (IY+0),21	Turn the sheriff into a mounted sheriff.
	43491	LD BC,(41564)	Fetch the price of a horse.
	43495	CALL TakeFromBounty	Take it from the bounty.
	43498	JP DrawBountyDigits	Jump to DrawBountyDigits.