$030013B8: $030013B9 - Screen Location (X)
$030013BA: $030013BB - Screen Location (Y)

$030013D4: What Samus is Doing
00: Running
01: Standing
03: Shooting
04: Crouching
06: Shooting While Crouching
08: Jumping
0A: Landing
0C: Diagonal Jumping
0D: Wall Jumping
0F: Screw Attacking
11: Morph Ball
12: Morph Ball Rolling
13: Morph Ball -> Crouching
14: Morph Ball Jumping
15: Hanging
16: 15 -> 18
17: 18 -> 15
18: Hanging (With Arm Cannon)
19: Hanging and Shooting
20: Morph Ball (Stuck)
21: Shine Sparking (Upwards)
22: Shine Spark Collision (Upwards)
23: Flipping
25: Shine Sparking as a Morph Ball
26: Shine Spark Morph Ball Collision
28: Hanging onto Sliding Thing in Kraid
29: Ditto, with gun out
2C: Reviving
31: Crash...?
33: Dying
34: Crawling Without Suit
3B: Standing Without Suit

$030013D5: Odd. 00 when standing, 02 when jumping, 05 when hanging...

$030013D6: Where Samus is Aiming
00: Straight Forward
01: Diagonally Upwards
02: Diagonally Downwards
03: Straight Up
04: Straight Down

$030013DC: How long Speed Booster lasts

$030013E2: Direction Samus is Facing
10: Left
20: Right

$030013E6 - $030013E7: Current Location (X)
$030013E8 - $030013E9: Current Location (Y)

$030013EB: if >= 80, Speed Booster Backwards, if <= 7F, Speed Booster Forwards, if 00, do nothing

$03001416: What You're Shooting
00: Beam/Bomb
01: Missiles
02: Super Missiles
04: Power Bomb
$03001417: Type of missile selected
00: Missiles
01: Super Missiles

$03001419: Charge Beam Status

$03001530 - $03001531 - Max Amount of Health
$03001532 - $03001533 - Max Amount of Missiles
$03001534 - Max Amount of Super Missiles
$03001535 - Max Amount of Power Bombs
$03001536 - $03001537 - Current Amount of Health
$03001538 - $03001539 - Current Amount of Missiles
$0300153A - Current Amount of Super Missiles
$0300153B - Current Amount of Power Bombs
$0300153C - Weapons in Inventory
$0300153D - Equipped Weapons
Bit 1: Morph Ball Bombs
Bit 2: Unused
Bit 3: Unused
Bit 4: Charge Beam
Bit 5: Plasma Beam
Bit 6: Wave Beam
Bit 7: Ice Beam
Bit 8: Long Beam
$0300153E - Misc Items in Inventory
$0300153F - Equipped Misc Items
bit 1: Power Grip
bit 2: Morph Ball
bit 3: Gravity Suit
bit 4: Varia Suit
bit 5: Screw Attack
bit 6: Space Jump
bit 7: Speed Booster
bit 8: High Jump

$03001541 - Low health beeping: 00 - disabled, all others - beeping
$03001542 - determines whether samus is in her suit and has unknown items identified. 00 = normal, 01 = no suit, 02 = unknown items ID'd, 03 = samus with suit, funny colors