Nightshade: Routine at 55116

55116: Update Health Bonus

The routine for objects of type 3, the bonuses that restore the player's health. A bonus vanishes when the player is more than four cells away. When the player touches it, the bonus turns into a burst and the player's health is made full.
Vanish if the player is too far away.
UpdateHealthBonus	55116	LD C,4	Set the distance to 4 cells and check whether the bonus is that close to the player.
	55118	CALL CheckPlayerClose
	55121	JR C,UpdateHealthBonus_Close	Jump to UpdateHealthBonus_Close if it is.
	55123	LD (IX+0),0	Remove the bonus, because the player is too far away, and return.
	55127	RET
Restore the player's health when the bonus is touched.
UpdateHealthBonus_Close	55128	CALL CheckPlayerCollision	Return if the bonus is not touching the player.
	55131	RET NC	Return if the bonus is not touching the player.
	55132	LD (IX+0),12	Turn the bonus into a burst.
	55136	LD A,3	Give the player full health.
	55138	LD (48115),A	Give the player full health.
	55141	LD HL,519	Start the health bonus sound, which is sound effect 2 and has seven notes.
	55144	LD (48121),HL
	55147	RET	Return.