The information on this page has been rewritten to be more clear, concise and accurate. Offsets are based on where the art is found in a clean ROM. The description is based on the file name in the HG disassembly. Extra information is in parentheses if deemed necessary.
Zone Independent
Offset |
Description |
# of Tiles
|
$1DC00
|
"SEGA" Patterns
|
123
|
$1E26E
|
Patterns for foreground in intro
|
254
|
$1F27A
|
Patterns for Sonic in intro
|
525
|
$20C48
|
"TM"
|
2
|
$20D3A
|
Hidden Japanese writing on "Sonic Team presents" screen
|
166
|
$2BC1E
|
Smoke/Dust Trail
|
16
|
$2BD22
|
Stars
|
3
|
$2BEF2
|
More Stars
|
35
|
$2BD5C
|
Shield
|
27
|
$2C03A
|
Unused Drowning Sonic Head
|
16
|
$2C144
|
Unknown Fire
|
3
|
$2C196
|
Beta Special Stage Entry
|
59
|
$2C3DE
|
Unused Goggles
|
36
|
$2DFE0
|
Air Bubbles/Clouds
|
80
|
$2E788
|
More Stars
|
9
|
$2F854
|
Vertical and horizontal spike
|
8
|
$33E4E
|
Bumper
|
22
|
$3401A
|
Button (Normal and Red)
|
12
|
$35A06
|
Crabmeat
|
68
|
$35EF4
|
Buzz Bomber
|
55
|
$3629A
|
Explosion (UNUSED)
|
36
|
$3850E
|
Splats (UNUSED)
|
29
|
$38756
|
Bomb
|
41
|
$389EE
|
Unidus
|
31
|
$38BCC
|
Caterkiller
|
16
|
$38D5A
|
Title cards
|
128
|
$39368
|
Primary HUD patterns
|
24
|
$3945E
|
Sonic life counter patterns
|
12
|
$39564
|
Rings
|
14
|
$39658
|
Monitors / Contents of monitor patterns
|
64
|
$39AB8
|
Explosion
|
96
|
$3A11E
|
Points
|
9
|
$3A1CE
|
Game/Time Over text
|
34
|
$3A360
|
Horizontal spring
|
16
|
$3A462
|
Vertical spring
|
14
|
$3A53E
|
End of level signpost
|
58
|
$3A9BA
|
Lamppost
|
10
|
$3AA7A
|
Flash from entering Giant Ring
|
84
|
$3ABEE
|
Hidden points flags
|
16
|
$3AEF0
|
Sonic lying down animation in "Continue?" screen
|
37
|
$3B1A0
|
Mini Sonic and misc. Continue art
|
30
|
$3B3DA
|
Rabbit
|
18
|
$3B532
|
Chicken
|
14
|
$3B68E
|
Blackbird
|
18
|
$3B80A
|
Seal
|
14
|
$3B926
|
Pig
|
18
|
$3BA5C
|
Flicky
|
14
|
$3BB96
|
Squirrel
|
18
|
$5CC62
|
Robotnik's Main Ship
|
108
|
$5D4C6
|
Robotnik's Ship Weapons
|
42
|
$5D7B0
|
Egg Capsule
|
117
|
Special Stage
Offset |
Description |
# of Tiles
|
$2C5E4
|
Wall block
|
249
|
$2D050
|
Birds/fish in background
|
241
|
$2DFE0
|
Bubbles/clouds in background
|
81
|
$2E4D4
|
"Goal" block
|
18
|
$2E5C2
|
"R" block
|
9
|
$2E692
|
"1UP" block (UNUSED)
|
9
|
$2E788
|
Sparkle from getting Chaos Emerald
|
9
|
$2E7E6
|
Red and white block
|
9
|
$2E878
|
"Zone 1" block (UNUSED)
|
9
|
$2E93A
|
"Zone 2" block (UNUSED)
|
9
|
$2EA08
|
"Zone 3" block (UNUSED)
|
9
|
$2EAD4
|
"Zone 4" block (UNUSED)
|
9
|
$2EB9C
|
"Zone 5" block (UNUSED)
|
9
|
$2EC66
|
"Zone 6" block (UNUSED)
|
9
|
$2ED36
|
"Up/Down" block
|
27
|
$2EF2A
|
Emeralds
|
16
|
$2F092
|
Ghost block
|
9
|
$2F142
|
"W" block
|
?
|
$2F21C
|
Destroyable glass blocks
|
9
|
$2F2A0
|
Result Emeralds
|
16
|
Green Hill Zone
Offset |
Description |
# of Tiles
|
$2F41E
|
Flower Stalk
|
4
|
$2F468
|
Swinging platform
|
14
|
$2F582
|
Bridge
|
10
|
$2F66E
|
2x2 Block (UNUSED)
|
4
|
$2F6B6
|
Checkered Ball swung by Robotnik
|
38
|
$2F8D0
|
Rotating spiked log (UNUSED)
|
44
|
$2FAE4
|
Rotating spikes off of log
|
18
|
$2FC10
|
Purple Rock
|
24
|
$2FD3E
|
Breakable wall
|
12
|
$2FDDC
|
Edge wall
|
12
|
$36B6C
|
Chopper badnik
|
32
|
$37582
|
Moto Bug badnik
|
29
|
$3780C
|
Newtron badnik
|
85
|
$3C692
|
Primary Main Level Patterns
|
461
|
$3DCF2
|
Secondary Main Level Patterns
|
369
|
Marble Zone
Offset |
Description |
# of Tiles
|
$3217A
|
Metal blocks
|
69
|
$32408
|
Button (Different from the one that appears in other zones)
|
8
|
$324C6
|
Green glass block
|
26
|
$3257E
|
Grass (UNUSED)
|
6
|
$325D2
|
Fireballs (Also used for SLZ)
|
44
|
$328B0
|
Wave of lava
|
156
|
$331C6
|
Pushable block
|
24
|
$3332A
|
Block in background (UNUSED)
|
16
|
$38212
|
Batbrain badnik
|
41
|
$46016
|
Primary main level patterns
|
663
|
Spring Yard Zone
Offset |
Description |
# of Tiles
|
$33E4E
|
Bumper
|
22
|
$33FB8
|
Small Black Spikeball
|
4
|
$340FC
|
Large Spikeball (& Chain)
|
36
|
$3705E
|
Roller
|
80
|
$510F0
|
Primary main level patterns
|
882
|
Labyrinth Zone
Offset |
Description |
# of Tiles
|
$2FE3C
|
Water surface
|
16
|
$2FF60
|
Waterfall and splashes
|
144
|
$30754
|
Swinging spiked ball & chain
|
24
|
$308D4
|
Flapping Door
|
32
|
$30A3E
|
Bubbles and drowning countdown
|
116
|
$31094
|
32x16 Block
|
8
|
$3114A
|
Vartical Door
|
8
|
$311EC
|
Horizontal & vertical spear/harpoon
|
18
|
$31348
|
Breakable pole
|
8
|
$313AC
|
Horizontal door
|
16
|
$314FE
|
Conveyor wheel
|
72
|
$31980
|
Gargoyle & projectile
|
17
|
$31B50
|
Various level blocks
|
104
|
$31E08
|
Rising platform
|
24
|
$31F40
|
Cork
|
16
|
$3206A
|
32x32 block
|
16
|
$36482
|
Burrobot
|
90
|
$36DD4
|
Jaws
|
32
|
$414D4
|
Primary Main Level Patterns
|
454
|
Star Light Zone
Offset |
Description |
# of Tiles
|
$333B2
|
Seesaw
|
44
|
$335EE
|
Little Spikeballs
|
18
|
$33734
|
Fan
|
44
|
$33978
|
Breakable Wall
|
8
|
$339DA
|
Foreground Pylon
|
16
|
$33ABC
|
Swinging Spikeball Platform
|
32
|
$33C9E
|
32x32 blocks
|
16
|
$33DAA
|
Fireball cannon
|
8
|
$4A7FE
|
Primary Main Level Patterns
|
874
|
Scrap Brain Zone
Offset |
Description |
# of Tiles
|
$3438A
|
Indent on spinning convex wheel
|
4
|
$343DE
|
Rotating junction wheel
|
73
|
$3467A
|
Circular saw
|
36
|
$3487E
|
Stomper
|
40
|
$34A1C
|
Spinning platform
|
48
|
$34D4C
|
Trapdoor
|
49
|
$34F2A
|
Collapsing floor block
|
4
|
$34F82
|
Electrocuter
|
20
|
$35102
|
Vanishing blocks
|
28
|
$35200
|
Flame pipes
|
28
|
$3538C
|
Small one-way barrier door
|
8
|
$353DC
|
Red & metal sliding floor traps
|
15
|
$35434
|
Large horizontal door
|
15
|
$35530
|
Crushing girder
|
12
|
$35646
|
Ball Hog
|
47
|
$57A66
|
Primary main level patterns
|
681
|
Final Zone
Offset |
Description |
# of Tiles
|
$5E034
|
Dr. Robotnik
|
144
|
$5E860
|
Stomper Boss
|
156
|
$5EFC8
|
Robotnik's Ship after FZ Fight
|
76
|
$5F548
|
Exhaust Flame from Robotnik's Ship
|
17
|
Ending
Offset |
Description |
# of Tiles
|
$5F668
|
Six Chaos Emeralds
|
28
|
$5F866
|
Sonic - Ending
|
323
|
$60A44
|
Robotnik in "Try Again" screen
|
139
|
$61388
|
Robotnik's End (UNUSED)
|
47
|
$61F76
|
Credits text font
|
96
|
$62574
|
"Sonic the Hedgehog" writing from end of game
|
48
|
$61CEE
|
Flowers
|
37
|