Super Metroid

This page contains notes for the game Super Metroid.

Item PLM States#

A PLM reference is stored as two bytes at a variety of ROM addresses for each item. Replacing the two bytes at 0x786DE in an unheadered Japan/USA ROM will replace the Morph Ball with that item.

Item	Normal	Hidden	Chozo
Morph Ball	23 EF	CB EF	77 EF
Bomb	E7 EE	8F EF	3B EF
Charge Beam	EB EE	93 EF	3F EF
Spazer	FF EE	A7 EF	53 EF
Varia Suit	07 EF	AF EF	5B EF
Hi-Jump Boots	F3 EE	9B EF	47 EF
Speed Booster	F7 EE	9F EF	4B EF
Wave Beam	FB EE	A3 EF	4F EF
Grapple Beam	17 EF	BF EF	6B EF
Gravity Suit	0B EF	B3 EF	5F EF
Space Jump	1B EF	C3 EF	6F EF
Spring Ball	03 EF	AB EF	57 EF
Plasma Beam	13 EF	BB EF	67 EF
Ice Beam	EF EE	97 EF	43 EF
Screw Attack	1F EF	C7 EF	73 EF
X-Ray Scope	0F EF	B7 EF	63 EF
Missile	DB EE	83 EF	2F EF
Super Missile	DF EE	87 EF	33 EF
Power Bomb	E3 EE	8B EF	37 EF
Energy Tank	D7 EE	7F EF	2B EF
Reserve Tank	27 EF	CF EF	7B EF

(Source: andlabs, using research published in the source code of Dessyreqt's item randomizer)