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
|
