Sonic the Hedgehog (Sega Master System, Game Gear)/ROM map

The following article is a ROM map for Sonic the Hedgehog (Sega Master System, Game Gear).

Note that sizes are listed in decimal.

Data found: ~91%

Offset	Size		Description
	----		-----------
$3B	43		Ancient dev text
$1C5	2		Labyrinth 1&2 underwater palette pointer
$1CE	2		Labyrinth 3 underwater palette pointer
$1EA	2		Sonic/Waves Labyrinth 1&2 palette pointer
$20C	2		Labyrinth water data? pointer
$213	2		Labyrinth water data? pointer 2
$224	2		Labyrinth 1&2 underwater surface palette pointer
$22D	2		Unused Sonic/Waves Labyrinth 3 palette pointer
$245	6		Labyrinth water data?
$24B	64		Labyrinth underwater palette
$2A0	2		Instrument data pointer
$473	2		Art algorithm data? pointer
$4F9	8		Art algorithm data?
$A69	2		Screen fadeout data pointer 1
$A71	2		Screen fadeout data pointer 2
$A90	30		Screen Fadeout data?
$B5E	2		Map data 1 pointer
$B6E	148		Map data 1
$C02	80		Map data 2
$C52	391		Map data 3 ($C8A Map 1 compressed art pointer,
			$CA0 Map 1 HUD compressed art pointer (also affects map), 
			$C95 Map 1 route data art compressed art pointer,
			$CB3 Map 1 8x8 tilemap pointer, $CC4 Map 1 8x8 tilemap related pointer,
			$CD5 Map 1 palette pointer, $CEC Map 2 compressed art pointer,
			$CF7 Map 2 route data art compressed art pointer,
			$D02 Map 2 HUD compressed art pointer (also affects map),
			$D15 Map 2 8x8 tilemap pointer, $D26 Map 2 8x8 tilemap related pointer,
			$D37 Map 2 palette pointer, $D3D Main Map Music, $D63 Route data pointers main pointer)
$DD9	75		Robotnik Green Hill route data
$E24	39		Robotnik Bridge route data
$E4B	59		Robotnik Jungle route data
$E86	87		Robotnik moving data 1?
$EDD	49		Robotnik moving data 2?
$F0E	32		Main map palette
$F2E	32		Main Map 2 palette
$F4E	54		Route data pointers
$F84	225		Map Route data
$1065	70		Unused route data
$10AB	342		Map Route data blinking
$1201	8		Robotnik route data pointers
$1209	36		Level name pointers
$122D	15		Green Hill text
$123C	15		Bridge text
$124B	15		Jungle text
$125A	15		Labyrinth text
$1269	15		Scrap Brain text
$1278	15		Sky Base text
$1287	203		Title screen (TS) data ($1297 TS compressed art pointer,
			$12A2 TS Animated Finger Compressed art pointer,
			$12B5 TS 8x8 tilemap pointer, $12CD TS palette pointer,
			$12D9 TS Music, $12E5 Sonic's Finger animation frames pointer,
			$1306 Press button text pointer 1, $130D Press button text pointer 2,
			$133C X Value of Sonic's Finger, $133F Y value of Sonic's Finger)
$1352	32		Press Button text
$1372	74		Sonic's finger animation frames
$13BC	37		Sonic's finger animation Graphics
$13E1	32		Title Screen Palette
$1401	283		Game Over data ($1412 Game Over compressed art pointer,
			$1425 Game Over 8x8 tilemap pointer, $143D Game Over palette pointer,
			$1478 Continue Star 8x8 tilemap pointer,
			$1480 Continue Text 8x8 tilemap pointer 1,
			$1486 Continue Text 8x8 tilemap pointer 2,
			$14C1 Continue SFX, $14DE Continue Star 8x8 tilemap,
			$14E6 Continue Text 8x8 tilemap 1, $14F1 Continue Text 8x8 tilemap 2,
			$14FC Game over palette)
$151C	2		Ring multiplier score data (no multiplier)
$151E	32		Score data for finishing times
$153E	16		Times to finish for score data
$154E	16		Score data for finishing times pointers
$155E	379		Passed act data ($1576 Passed act number compressed art pointer,
			$1581 Passed act compressed art pointer, $1594 Passed act 8x8 tilemap pointer,
			$15A4 Special Stage finished 8x8 tilemap pointer,
			$15D7 1, 2, 3 numbers data? pointer, $15DC 1, 2, 3 numbers tilemap data pointer,
			$1605 Level complete palette pointer, $1634 Times to finish for score data pointer,
			$1637 Score data for finishing times pointers main pointer)

$17B0	2		Chaos Emerald finishing text pointer
$17D8	1		Chaos Emerald tally SFX
$17E9	2		Sonic Left finishing text pointer
$180D	1		Sonic Left tally SFX
$181E	2		Special Bonus finishing text pointer
$1854	1		Special Bonus tally SFX
$197E	48		Finishing text
$1A14	182		Special stage passed data ($1A74 Ring multiplier score data (no multiplier) Pointer)
$1B51	24		1, 2, 3 numbers tilemap data
$1B69	36		1, 2, 3 numbers data?
$1B8D	32		Level Complete Palette
$1C4F	1		How many lives you start with
$1C93	2		Title Screen data pointer
$1CB2	2		Map data 3 pointer
$1F56	2		Sky Base 1 Lightning palette pointer
$1F7D	1		Lightning (Sky Base 1 SFX)
$1F9D	16		Sky Base 1 Lightning palette
$1FBA	2		End post data with pointers pointer
$1FF4	2		Bonus white fadeout palette pointer
$2023	36		End post data with pointers ($202E Robotnik SFX, $2036 Life SFX, $2040 Bonus SFX)
$2047	32		Bonus white fadeout palette
$2097	2		Game over data pointer
$211B	2		Map data 2 pointer
$2144	2		Time you start with pointer
$2167	2		Times for bonus levels pointer
$2173	2		Levels HUD compressed art pointer
$21AF	2		Time you start with after hitting checkpoint pointer
$2279	2		Level load palette pointers main pointer
$22B9	2		Level auto palette pointers main pointer
$23A3	2		Ring frames data pointer
$23F9	6		Ring frames data
$23FF	3		Time you start with
$2402	3		Time you start with after hitting checkpoint
$2405	24		Times for bonus levels
$25A2	2		Island ending Palette pointer
$25BD	2		Bad End map 8x8 tilemap pointer
$2609	1		Chaos Emeralds released Jingle
$267E	2		Good End map 8x8 tilemap pointer
$26CA	2		Credits 8x8 tilemap pointer
$2703	2		Credits palette pointer
$2709	1		Credits Music
$2710	2		Credits text pointer
$2828	32		Island ending Palette
$2848	87		Sonic sprite credits movement data pointers
$289F	102		Sonic sprite credits movement data
$2905	465		Credits text
$2AD6	32		Credits palette
$2AF6	172		Sprites pointers
$2BA2	688		Demo data
$2E52	3		Ring HUD data
$2E55	4		Lives HUD data
$2E5F	2		Lives HUD data pointer
$2F0C	2		Ring HUD data pointer
$321A	2		Demo data pointer
$3335	2		Main collision data 1 pointers main pointer
$333D	2		Main collision data 2 pointers main pointer
$3408	2		Main collision data 4 pointers main pointer
$3415	2		Main collision data 3 pointers main pointer
$342E	2		Block collision data pointers main pointer
$3641	1		Death Music
$36BB	1		Sonic hurt SFX
$36EE	1		Hit enemy & monitors SFX
$39CE	1		Life gained (100 rings) SFX
$39D5	1		Ring (also post) SFX
$3A00	1		Life (50000 points gained) sound effect
$3A65	16		Block collision data pointers
$3A75	184		Green Hill block Collision data
$3B2D	144		Bridge block Collision data
$3BBD	160		Jungle block Collision data
$3C5D	176		Labyrinth block Collision data
$3D0D	187		Scrap Brain block collision data
$3DC8	224		Sky Base outside block Collision data
$3EA8	128		Bonus block Collision data
$3F28	104		Sky Base inside block Collision data
$4020	94		Main collision data 1 pointers
$407E	160		Main collision data 1
$411E	94		Main collision data 2 pointers
$417C	112		Main collision data 2
$41EC	94		Main collision data 3 pointers
$424A	576		Main collision data 3
$448A	94		Main collision data 4 pointers
$44E8	992		Main collision data 4
$490A	2		Sonic underwater labyrinth data pointer
$4930	2		Sonic movement underwater data pointer
$495C	2		Sonic movement air data pointer
$4988	2		Sonic movement unknown data pointer
$49AE	2		Sonic movement unknown data 2 pointer
$49DE	2		Sonic look down data pointer
$4B58	2		Sonic spin data pointer
$4B84	2		Sonic jump data pointer
$4CB0	2		Sonic tilemap data pointer
$4D11	2		Invincibility stars data pointer
$4DCB	9		Sonic movement air data
$4DD4	9		Sonic movement unknown data
$4DDD	9		Sonic movement underwater data
$4DE6	9		Sonic movement unknown data 2
$4E3D	2		Ring collected data pointer
$4E8D	80		Invincibility stars data
$5009	142		Sonic underwater Labyrinth data ($5021 time before drowning countdown timer,
			$5024 drowning countdown timer, $503D Time after drowning before it resets level,
			$5042 Death Drowned Music, $506A Labyrinth countdown SFX)
$509D	18		Sonic jump data ($509E Sonic's jump height when you hold button,
			$50A3 Jumping SFX)
$50AF 	18		Sonic spin data
$50C1	34		Sonic look down data ($50DC Sonic spin SFX)
$51F3	19		Sonic screech data ($51FE Sonic screech SFX)
$54BC	10		Open air data
$54C6	8		Spike data?
$54CE	65		Sonic rolling launch (green hill) data ($550C SFX)
$550F	30		Left spring data ($552A SFX)
$552D	41		up spring right side data ($5553 SFX)
$5556	34		Right spring data ($5575 SFX)
$5578	24		Conveyor belt left data
$5590	24		Conveyor belt right data
$55A8	14		Sonic in Water physics data ($55AF SFX)
$55B6	44		up spring middle data ($55DF SFX)
$55E2	9		Whistle through block GHZ2 data ($55E8 SFX)
$55EB	113		Teleport data ($5639 SFX)
$565C	32		Sonic in shallow water physics data
$567C	42		Labyrinth Water flow right Sonic data?
$56A6	16		Labyrinth Water flow right Sonic data?
$56B6	16		Labyrinth Water flow left Sonic data?
$56C6	16		Labyrinth Water flow left Sonic data?
$56D6 	139		Star bumper data ($5724 SFX)
$5761	16		Purple spring data ($576E SFX)
$5771	16		Orange spring data ($577E SFX)
$5781	16		Green spring data ($578E SFX)
$5791	60		Pink Bumper data? ($57CA SFX)
$57CD	41		Long Bumper data?
$57F6	18		? data
$5808	67		Bridge falling data?
$584B	133		Bridge falling data?
$58D0	21		? data
$58E5	56		Sonic block physics pointers
$591D	64		Sonic tilemap data
$595D	8		Ring collected data
$5965	52		Sonic sprite data pointers
$5999	50		Sonic moving sprite data
$59CB	18		Sonic max speed sprite data
$59DD	2		? data
$59DF	3		Sonic slowing down sprite data
$59E2	3		Sonic stand still sprite data
$59E5	22		Sonic spin/jump sprite data
$59FB	3		Sonic duck sprite data
$59FE	3		Sonic movement stuck sprite data
$5A01	82		Sonic Rolling/jump slow mo sprite data?
$5A53	18		Sonic slowing down 2 sprite data
$5A65	3		Sonic death sprite data
$5A68	3		Sonic looking up sprite data
$5A6B	68		Sonic impatient sprite data
$5AAF	22		Sonic teleport sprite data
$5AC5	7		Sonic fast spin sprite data
$5ACC	4		Sonic takes damage sprite data
$5AD0	14		Sonic Labyrinth water ride sprite data 
$5ADE	3		Sonic movement stuck sprite data 2
$5AE1	3		Sonic spring up sprite data
$5AE4	3		Sonic Breathe bubble sprite data
$5AE7	3		Sonic drowned sprite data
$5AEA	22		Sonic Teleport out sprite data
$5B00	3		Sonic teleported out sprite data
$5B03	3		Sonic teleport white sprite data
$5B06	3		Sonic teleport white 2 sprite data
$5B09	208		Super Ring monitor data ($5B25 ring value)
$5BD9	44		Power Sneakers monitor data
$5C05	210		Extra life monitor data ($5C4D SFX)
$5CD7	40		Shield Monitor data
$5CFF	48		Invincibility Monitor data ($5D24 Music)
$5D2F	81		Checkpoint Monitor data
$5D80	290		Continue Monitor data
$5EA2	117		Chaos Emerald data ($5EDC SFX)
$5F17	869		End post data ($5F2E End post compressed art,
			$5FCF Level complete, $5FD2 Post lands SFX, 
			$602E Spinning Post SFX, $626C Post Palette)
$627C	16		Level load palette pointers
$628C	18		Level auto palette pointers
$629E	32		Green hill load palette
$62BE	48		Green Hill auto palette
$62EE	32		Bridge load palette
$630E	48		Bridge auto palette
$633E	32		Jungle load palette
$635E	48		Jungle auto palette
$638E	32		Labyrinth load palette
$63AE	48		Labyrinth auto palette
$63DE	32		Scrap Brain load palette
$63FE	64		Scrap Brain auto palette
$643E	32		Sky Base load palette
$645E	64		Sky Base auto palette
$649E	64		Sky Base lightning charge auto palette
$64DE	64		Sky Base lightning fire auto palette
$651E	64		Sky Base 2 auto palette
$655E	32		Bonus load palette
$657E	16		Bonus auto palette
$658E	32		Sky Base 3/Inside load palette
$65AE	64		Sky Base 3/Inside auto palette
$65EE	334		Crab enemy data ($666A Claw SFX)
$673C	515		Swinging platform data
$693F	170		Enemy/monitor destroyed (smoke) data
$69E9	94		Lowering platform data
$6A47	122		Falling platform data
$6AC1	179		Crab fireball data
$6B74	497		Buzz Bomber data ($6C92 Pojectile SFX)
$6D65	167		Left and right platform data
$6E0C	252		Motobug data
$6F08	260		Newtron data ($6FAF Projectile SFX)
$700C	800		Green Hill Boss data? ($7045 Boss music, $731C Boss Sprite palette)
$732C	616		Animal Cell data ($7487 Act Complete music)
$7594	261		Free Bird data
$7699	293		Free Rabbit data
$77BE	745		Non sprite other robotnik data ($7818 Robotnik hit SFX,
			$7AA4 Robotnik beaten SFX)
$7AA7	70		Green Hill 2 fake hurt object data
$7AED	168		Green Hill growing flower sprite data
$7B95	353		Sonic hurt data
$7CF6	268		Piranha data ($7D54 SFX)
$7E02	153		Vertical Jungle log data
$7E9B	75		Horizontal Jungle log data
$7EE6	365		Floating log data
$8053	453		Jungle boss data ($8088 Music)
$8218	206		related to Jungle boss data ($829E Bomb SFX)
$82E6	219		Yadrin data
$83C1	213		Falling bridge data ($8425 SFX)
$8496	470		Bridge boss data ($84D4 Music, $85A5 Projectile SFX)
$866C	459		Seesaw data ($8705 SFX)
$8837	196		Jaws data
$88FB	507		Rotating Spike Ball data
$8AF6	288		Labyrinth Spike pole data ($8BB9 SFX)
$8C16	132		Labyrinth fireball data ($8C8B SFX)
$8D48	270		Labyrinth Water object data
$8E56	116		Labyrinth Bubble maker data
$8ECA	162		Labyrinth small Bubble data
$8F6C	1		? data
$8F6D	339		Burrowbot data
$90C0	423		Labyrinth lifting platform data
$9267	574		Labyrinth boss data ($92A9 Music, $9476 Projectile SFX)
$94A5	515		Labyrinth Boss Rocket data
$96A8	80		Labyrinth Boss Rocket moving data
$96F8	366		Labyrinth big Bubble data ($97E1 Breathing SFX)
$9866	661		Flipper data
$9AFB	122		Pink Bumper data ($9B67 SFX)
$9B75	115		Warp door data
$9BE8	136		Fireball right data ($9C13 Not in view SFX, $9C55 SFX)
$9C70	30		Fireball left data
$9C8E	364		Flame thrower data ($9D47 SFX)
$9DFA	360		Auto door left data ($9EC1 Raise SFX, $9ED1 Lower SFX)
$9F62	195		Auto door right data
$A025	195		Auto door both ways data
$A0E8	194		Electric Sphere data ($A128 SFX)
$A1AA	402		Ball Hog data
$A33C	188		Bouncing ball from Ball Hog data
$A3F8	179		Switch data
$A4AB	166		Switch activated door data ($A460 SFX)
$A551	668		Caterkiller data
$A7ED	474		Scrap Brain Boss data ($A82A Music, $A9B4 Platform rise SFX)
$A9C7	163		Sky Base passing cloud data
$AA6A	183		Propeller data
$AB21	587		Bomb badnik data ($AC1A SFX)
$AD6C	201		Cannon data
$AE35	83		Cannon projectile data
$AE88	620		Unidus data
$B0F4	120		? (Exists) data
$B16C	299		Rotating Cannon data
$B297	257		Flying platform data
$B398	213		Moving Spiked Wall data
$B46D	161		small cannon data
$B50E	294		Rise & Fall platform data ($B631 Turret SFX)
$B634	1222		Sky Base boss data ($B68D Boss Music, $B7CB Hits before glass breaks,
			$B7E3 Glass break SFX, $B81A Glass hit SFX, $BA49 Glass break tiles)
$BAFA	138		Robotnik in teleporter tilemap
$BB84	347		Lightning wall data ($BC2F Hits before wall change, $BC56 Lightning 1 SFX,
			$BCA2 Lightning 2 SFX, $BCC7 Tiles used)
$BCDF	282		Plasma ball data
$BDF9	339		Robotnik & Sonic ending object data ($BE5A Teleport out SFX)
$BF4C	172		Sonic 6 Emeralds object data
$BFF8	8		Empty
$C000	1814		Instrument data
$C716	42		Music data pointers
$C740	144		SFX data pointers
$C7D0	1338		Green Hill Music
$CD0A	1344		Hidden Marble Zone Music
$D24A	1280		Jungle Music
$D74A	1029		Bridge Music
$DB4F	1624		Scrap Brain Music
$E1A7	796		Sky Base Music
$E4C3	377		Title Screen Music
$E63C	200		Map SFX
$E704	432		Invincibility Music
$E8B4	221		Act Complete Music
$E991	303		Death Music
$EAC0	660		Boss Music
$ED54	984		Ending Music
$F12C	1248		Bonus Music
$F60C	896		Labyrinth Music
$F98C	154		Chaos Emeralds released [SFX]
$FA26	257		Chaos Emerald [SFX]
$FB27	28		Jumping SFX
$FB43	49		Hit enemy SFX
$FB74	36		Ring SFX
$FB98	39		Screech SFX
$FBBF	39		Spring SFX
$FBE6	50		Whistle/Roll on ramp SFX
$FC18	42		Rolling SFX
$FC42	28		Bumper SFX
$FC5E	48		Unused 08 SFX
$FC8E	41		Extra Life SFX
$FCB7	33		Enemy Shot SFX
$FCD8	37		Spinning Post SFX
$FCFD	39		Post lands SFX
$FD24	62		Unused 0D SFX
$FD62	38		Hurt SFX
$FD88	41		Water SFX
$FDB1	53		Lightning SFX
$FDE6	38		Fire SBZ SFX
$FE0C	35		Fireball/Bridge piece falling SFX
$FE2F	25		Door raise SFX
$FE48	20		Switch/Countdown SFX
$FE5C	24		Pressure Noise SFX
$FE74	48		Cannon SFX
$FEA4	40		LZ Spike Raise SFX
$FECC	28		Unused 1E SFX
$FEE8	32		Fireball/Bridge piece falling SFX 2
$FF08	70		Glass break SFX
$FF4E	53		Sonic Bubble SFX
$FF83	46		Unused 23 SFX
$FFB1	79		Empty
$10000	2944		Green Hill 8x8 -> 32x32 block gfx
$10B80	2304		Bridge 8x8 -> 32x32 block gfx
$11480	2560		Jungle 8x8 -> 32x32 block gfx
$11E80	2816		Labyrinth 8x8 -> 32x32 block gfx
$12980	3072		Scrap Brain 8x8 -> 32x32 block gfx
$13580	3456		Sky Base 1,2 8x8 -> 32x32 block gfx
$14300	1664		Sky Base 3 8x8 -> 32x32 block gfx
$14980	2048		Bonus 8x8 -> 32x32 block gfx
$15180	1024		Item box, emerald art
$15580	2		Green Hill 1 L.H. pointer
$15582	2		Green Hill 2 L.H. Pointer
$15584	2		Green Hill 3 L.H. Pointer
$15586	2		Bridge 1 L.H. Pointer
$15588	2		Bridge 2 L.H. Pointer
$1558A	2		Bridge 3 L.H. Pointer
$1558C	2		Jungle 1 L.H. Pointer
$1558E	2		Jungle 2 L.H. Pointer
$15590	2		Jungle 3 L.H. Pointer
$15592	2		Labyrinth 1 L.H. Pointer
$15594	2		Labyrinth 2 L.H. Pointer
$15596	2		Labyrinth 3 L.H. Pointer
$15598	2		Scrap Brain 1 L.H. Pointer
$1559A	2		Scrap Brain 2 L.H. Pointer
$1559C	2		Scrap Brain 3 L.H. Pointer
$1559E	2		Sky Base 1 L.H. Pointer
$155A0	2		Sky Base 2 L.H. Pointer
$155A2	2		Sky Base 3 L.H. Pointer
$155A4	2		Ending L.H. Pointer
$155A6	2		Empty
$155A8	2		SB 2 Area 1 -> 2 L.H. Pointer
$155AA	2		SB 2 Area 1 -> 3 L.H. Pointer
$155AC	2		SB 2 Area 2 -> 1 [TP] L.H. Pointer
$155AE	2		SB 2 Area 2 -> 3 [TP] L.H. Pointer
$155B0	2		SB 2 Area 2 -> 1 L.H. Pointer
$155B2	2		SB 2 Area 3 -> 1 L.H. Pointer
$155B4	2		Sky Base 2 area 2 L.H. Pointer
$155B6	2		Sky Base 2 area 2 L.H. Pointer 2
$155B8	2		Bonus 1 L.H. Pointer
$155BA	2		Bonus 2 L.H. Pointer
$155BC	2		Bonus 3 L.H. Pointer
$155BE	2		Bonus 4 L.H. Pointer
$155C0	2		Bonus 5 L.H. Pointer
$155C2	2		Bonus 6 L.H. Pointer
$155C4	2		Bonus 7 L.H. Pointer
$155C6	2		Bonus 8 L.H. Pointer
$155C8	2		Empty
$155CA	37		Green Hill 1 Level Header
$155EF	37		Green Hill 2 Level Header
$15614	37		Green Hill 3 Level Header
$15639	37		Ending Level Header
$1565E	37		Bridge 1 Level Header
$15683	37		Bridge 2 Level Header
$156A8	37		Bridge 3 Level Header
$156CD	37		Jungle 1 Level Header
$156F2	37		Jungle 2 Level Header
$15717	37		Jungle 3 Level Header
$1573C	37		Labyrinth 1 Level Header
$15761	37		Labyrinth 2 Level Header
$15786	37		Labyrinth 3 Level Header
$157AB	37		Scrap Brain 1 Level Header
$157D0	37		Scrap Brain 2 Level Header
$157F5	37		SB 2 Area 1 -> 2 Level Header
$1581A	37		SB 2 Area 1 -> 3 Level Header
$1583F	37		Scrap Brain 3 Level Header
$15864	37		SB 2 Area 2 -> 1 Level Header
$15889	37		SB 2 Area 3 -> 1 Level Header
$158AE	37		SB 2 Area 2 -> 1 [TP] Level Header
$158D3	37		SB 2 Area 2 -> 3 [TP] Level Header
$158F8	37		Sky Base 1 Level Header
$1591D	37		Sky Base 2 Level Header
$15942	37		Sky Base 3 Level Header
$15967	37		Sky Base 2 Area 2 Level Header
$1598C	37		Bonus 1 Level Header
$159B1	37		Bonus 2 Level Header
$159D6	37		Bonus 3 Level Header
$159FB	37		Bonus 4 Level Header
$15A20	37		Bonus 5 Level Header
$15A45	37		Bonus 6 Level Header
$15A6A	37		Bonus 7 Level Header
$15A8F	37		Bonus 8 Level Header
$15AB4	76		Green Hill 1 Sprites
$15B00	67		Green Hill 2 Sprites
$15B43	19		Green Hill 3 Sprites
$15B56	70		Bridge 1 Sprites
$15B9C	58		Bridge 2 Sprites
$15BD6	22		Bridge 3 Sprites
$15BEC	88		Jungle 1 Sprites
$15C44	73		Jungle 2 Sprites
$15C8D	22		Jungle 3 Sprites
$15CA3	79		Labyrinth 1 Sprites
$15CF2	88		Labyrinth 2 Sprites
$15D4A	31		Labyrinth 3 Sprites
$15D69	67		Scrap Brain 1 Sprites
$15DAC	61		Scrap Brain 2 Sprites
$15DE9	76		Scrap Brain 2 area 2 Sprites
$15E35	25		Scrap Brain 2 area 3 Sprites
$15E4E	76		Scrap Brain 3 Sprites
$15E9A	58		Sky Base 1 Sprites
$15ED4	67		Sky Base 2 Sprites
$15F17	10		Sky Base 3 Sprites
$15F21	4		Sky Base 2 area 2 sprites
$15F25	7		Bonus Stage 1 Sprites
$15F2C	10		Bonus Stage 2 Sprites
$15F36	10		Bonus Stage 3 Sprites
$15F40	19		Bonus Stage 4 Sprites
$15F53	19		Bonus Stage 5 Sprites
$15F66	25		Bonus Stage 6 Sprites
$15F7F	22		Bonus Stage 7 Sprites
$15F95	47		Bonus Stage 8 Sprites
$15FBA	10		Ending Sprites
$15FC4	60		Empty
$16000	302		Title Screen 8x8 tilemap
$1612E	187		Passed act 8X8 tilemap
$161E9	149		Special stage finished 8x8 tilemap
$1627E	376		Map 1 8x8 tilemap
$163F6	325		Map 1 8x8 tilemap related/beta?
$1653B	368		Map 2 8x8 tilemap
$166AB	339		Map 2 8x8 tilemap related/beta?
$167FE	44		Game Over 8x8 tilemap
$16830	377		Bad End map 8x8 tilemap
$169A9	325		Good End map 8x8 tilemap
$16AEE	371		Credits 8x8 tilemap related/beta?
$16C61	393		Credits 8x8 tilemap
$16DEA	2110		Green Hill 1 Level Layout & Ending
$17628	1633		Green Hill 2 Level Layout
$17C89	813		Green Hill 3 Level Layout
$17FB6	2732		Jungle 1 Level Layout
$18A62	754		Bonus 4 Level Layout
$18D54	1513		Jungle 2 Level Layout
$1933D	1690		Scrap Brain 1 Level Layout
$199D7	2308		Scrap Brain 2 Level Layout
$1A2DB	2296		Scrap Brain 2c Level Layout
$1ABD3	1711		Scrap Brain 2b Level Layout
$1B282	2226		Scrap Brain 3 Level Layout
$1BB34	925		Sky Base 2a Level Layout
$1BED1	1684		Bridge 1 Level Layout
$1C565	2242		Labyrinth 1 Level Layout
$1CE27	3347		Labyrinth 2 Level Layout
$1DB3A	1902		Sky Base 1 Level Layout
$1E2A8	1177		Bridge 2 Level Layout
$1E741	914		Sky Base 3 Level Layout
$1EAD3	302		Sky Base 2b Level Layout
$1EC01	1013		Jungle 3 Level Layout
$1EFF6	761		Labyrinth 3 Level Layout
$1F301	320		Bridge 3 Level Layout
$1F441	778		Bonus 1 Level Layout
$1F74B	606		Bonus 2 Level Layout
$1F9A9	505		Bonus 3 Level Layout
$1FBA2	1118		empty data
$20000	24576		Sonic art compressed?
$26000	5407		Title Screen Compressed art
$2751F	3445		"Sonic Has Passed" Screen Compressed art
$28294	2166		End Sign Compressed art
$28B0A	1889		Title Screen Animated Finger Compressed art
$2926B	1751		Map 1 route art Compressed art
$29942	2024		Map 2 route art Compressed art
$2A12A	2835		Green Hill sprites Compressed art
$2AC3D	2960		Bridge sprites Compressed art
$2B7CD	3049		Jungle sprites Compressed art
$2C3B6	3007		Labyrinth sprites Compressed art
$2CF75	2667		Scrap Brain sprites Compressed art
$2D9E0	2865		Sky Base sprites Compressed art
$2E511	2464		Special Stage sprites Compressed art
$2EEB1	2685		Boss sprites Compressed art
$2F92E	1090		HUD Compressed art
$2FD70	640		Ring Animation Compressed art
$2FFF0	16		Empty
$30000	6145		Map 1 Compressed art
$31801	6117		Map 2 / Credits Compressed art
$32FE6	43586		Level art compressed, headers, unique & duplicate rows
$3FF21	223		Empty