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| − | {{stub}} | + | __NOTOC__ |
| − | Note: As S3&K is a "lock-on" game, all offsets below $200000 are in the base S&K ROM, and all offsets above $200000 are in the connected S3 ROM.
| + | {{SCHG S3K}} |
| − | ==ROM Hacking==
| + | This is the '''[[Sonic Community Hacking Guide]] for ''[[Sonic 3 & Knuckles]]'''''. As ''Sonic 3 & Knuckles'' is a "[[Lock-On Technology|lock-on]]" game, all offsets below $200000 are in the base ''[[Sonic & Knuckles]]'' ROM, and all offsets above $200000 are in the connected ''[[Sonic the Hedgehog 3]]'' ROM. Since ''Sonic 3 & Knuckles'' runs on ''Sonic & Knuckles''<nowiki>'</nowiki> engine, all the information on this page also applies to ''Sonic & Knuckles'' alone, with the exception of any pointers above $200000 (which are part of the locked-on ''Sonic 3'' ROM). |
| − | ===Art Editing===
| |
| − | ====Uncompressed Art Locations====
| |
| | | | |
| − | ====[[Nemesis compression|Nemesis Compressed]] Art Locations====
| |
| | | | |
| − | ====[[Kosinski compression|Kosinski Compressed]] Art Locations==== | + | ==References== |
| − | | + | <references /> |
| − | ====Palette Editing====
| |
| − | Usually, it's not really necessary to edit a palette in hex. Palette editors give you instant feedback for each RGB value, and the palette can be easily saved as a separate binary and reimported into the ROM. However, it is sometimes desirable or necessary to do it in hex, and it can't hurt to know how it's done.
| |
| − | | |
| − | These are the ROM offsets of the palettes in ''Sonic 3 and Knuckles'', as listed by [[HivePal]]:
| |
| − | {| border="1"
| |
| − | !Offset||Name
| |
| − | |-
| |
| − | |291A
| |
| − | |Angel Island Act 1 Cycle #1
| |
| − | |-
| |
| − | |293A
| |
| − | |Angel Island Act 1 Cycle #2
| |
| − | |-
| |
| − | |29BA
| |
| − | |Angel Island Act 1 Cycle #3
| |
| − | |-
| |
| − | |2A1A
| |
| − | |Angel Island Act 1 Cycle #4
| |
| − | |-
| |
| − | |2A4A
| |
| − | |Angel Island Act 2 Cycle #1
| |
| − | |-
| |
| − | |2A6A
| |
| − | |Angel Island Act 2 Cycle #2
| |
| − | |-
| |
| − | |2A9A
| |
| − | |Angel Island Act 2 Cycle #3
| |
| − | |-
| |
| − | |2ACA
| |
| − | |Angel Island Act 2 Cycle #4
| |
| − | |-
| |
| − | |2B32
| |
| − | |Hydrocity Act 1 Cycle
| |
| − | |-
| |
| − | |2B52
| |
| − | |Carnival Night Cycle #1
| |
| − | |-
| |
| − | |2BB2
| |
| − | |Carnival Night Cycle #2
| |
| − | |-
| |
| − | |2C32
| |
| − | |Carnival Night Cycle #3
| |
| − | |-
| |
| − | |2C66
| |
| − | |Carnival Night Cycle #4
| |
| − | |-
| |
| − | |2CA6
| |
| − | |Carnival Night Cycle #5
| |
| − | |-
| |
| − | |2D06
| |
| − | |Carnival Night Cycle #6
| |
| − | |-
| |
| − | |2D86
| |
| − | |Carnival Night Cycle #7
| |
| − | |-
| |
| − | |2DFA
| |
| − | |Icecap Cycle #1
| |
| − | |-
| |
| − | |2E3A
| |
| − | |Icecap Cycle #2
| |
| − | |-
| |
| − | |2E82
| |
| − | |Icecap Cycle #3
| |
| − | |-
| |
| − | |2E9A
| |
| − | |Icecap Cycle #4
| |
| − | |-
| |
| − | |2EDA
| |
| − | |Launch Base Act 1 Cycle
| |
| − | |-
| |
| − | |2EEC
| |
| − | |Launch Base Act 2 Cycle
| |
| − | |-
| |
| − | |2EFE
| |
| − | |Lost Level 09 Act 1 Cycle #1
| |
| − | |-
| |
| − | |2F7E
| |
| − | |Lost Level 09 Act 1 Cycle #2
| |
| − | |-
| |
| − | |2FA2
| |
| − | |2P Level - Balloon Park Cycle #1
| |
| − | |-
| |
| − | |2FB4
| |
| − | |2P Level - Balloon Park Cycle #2
| |
| − | |-
| |
| − | |3032
| |
| − | |2P Level - Desert Palace Cycle
| |
| − | |-
| |
| − | |3082
| |
| − | |2P Level - Endless Mine Cycle #1
| |
| − | |-
| |
| − | |30BE
| |
| − | |2P Level - Endless Mine Cycle #2
| |
| − | |-
| |
| − | |31C2
| |
| − | |Super Sonic
| |
| − | |-
| |
| − | |31FE
| |
| − | |Super Sonic Underwater
| |
| − | |-
| |
| − | |323A
| |
| − | |Super Sonic Underwater
| |
| − | |-
| |
| − | |3C78
| |
| − | |Sega Logo #1
| |
| − | |-
| |
| − | |3CF8
| |
| − | |Sega Logo #2
| |
| − | |-
| |
| − | |3D08
| |
| − | |Intro Frame #1
| |
| − | |-
| |
| − | |3D48
| |
| − | |Intro Frame #2
| |
| − | |-
| |
| − | |3D88
| |
| − | |Intro Frame #3
| |
| − | |-
| |
| − | |3DC8
| |
| − | |Intro Frame #4
| |
| − | |-
| |
| − | |3E08
| |
| − | |Intro Frame #5
| |
| − | |-
| |
| − | |3E48
| |
| − | |Intro Frame #6
| |
| − | |-
| |
| − | |3E88
| |
| − | |Title Screen
| |
| − | |-
| |
| − | |3FD4
| |
| − | |Title Screen Cycle
| |
| − | |-
| |
| − | |5092
| |
| − | |2P Level - Knuckles
| |
| − | |-
| |
| − | |70BC
| |
| − | |Level Select Menu - EHZ Icon
| |
| − | |-
| |
| − | |70DC
| |
| − | |Level Select Menu - MZ Icon
| |
| − | |-
| |
| − | |70FC
| |
| − | |Level Select Menu - HTZ Icon
| |
| − | |-
| |
| − | |711C
| |
| − | |Level Select Menu - HPZ Icon
| |
| − | |-
| |
| − | |713C
| |
| − | |Level Select Menu - OOZ Icon
| |
| − | |-
| |
| − | |715C
| |
| − | |Level Select Menu - MCZ Icon
| |
| − | |-
| |
| − | |717C
| |
| − | |Level Select Menu - CNZ Icon
| |
| − | |-
| |
| − | |719C
| |
| − | |Level Select Menu - CPZ Icon
| |
| − | |-
| |
| − | |71BC
| |
| − | |Level Select Menu - ARZ Icon
| |
| − | |-
| |
| − | |71DC
| |
| − | |Level Select Menu - SCZ Icon
| |
| − | |-
| |
| − | |71FC
| |
| − | |Level Select Menu - WFZ Icon
| |
| − | |-
| |
| − | |721C
| |
| − | |Level Select Menu - DEZ Icon
| |
| − | |-
| |
| − | |723C
| |
| − | |Level Select Menu - Special Stage Icon
| |
| − | |-
| |
| − | |725C
| |
| − | |Level Select Menu - X Icon
| |
| − | |-
| |
| − | |727C
| |
| − | |Level Select Menu - Sound Test Icon
| |
| − | |-
| |
| − | |7A26
| |
| − | |Special Stage - Sonic and Tails
| |
| − | |-
| |
| − | |7A66
| |
| − | |Special Stages
| |
| − | |-
| |
| − | |7AA6
| |
| − | |Special Stage 1
| |
| − | |-
| |
| − | |7ACC
| |
| − | |Special Stage 2
| |
| − | |-
| |
| − | |7AF2
| |
| − | |Special Stage 3
| |
| − | |-
| |
| − | |7B18
| |
| − | |Special Stage 4
| |
| − | |-
| |
| − | |7B3E
| |
| − | |Special Stage 5
| |
| − | |-
| |
| − | |7B64
| |
| − | |Special Stage 6
| |
| − | |-
| |
| − | |7B8A
| |
| − | |Special Stage 7
| |
| − | |-
| |
| − | |7BB0
| |
| − | |Special Stage 8
| |
| − | |-
| |
| − | |A55E
| |
| − | |2P Menu - Sonic and Tails
| |
| − | |-
| |
| − | |A57E
| |
| − | |2P Menu - Knuckles
| |
| − | |-
| |
| − | |A59E
| |
| − | |2P Menu - Unselected Portraits
| |
| − | |-
| |
| − | |A5BE
| |
| − | |2P Menu - ALZ Portrait
| |
| − | |-
| |
| − | |A5DE
| |
| − | |2P Menu - BPZ Portrait
| |
| − | |-
| |
| − | |A5FE
| |
| − | |2P Menu - CGZ Portrait
| |
| − | |-
| |
| − | |A61E
| |
| − | |2P Menu - DPZ Portrait
| |
| − | |-
| |
| − | |A63E
| |
| − | |2P Menu - EMZ Portrait
| |
| − | |-
| |
| − | |BBB6
| |
| − | |Data Select - Sonic/Tails/Knuckles/Emeralds
| |
| − | |-
| |
| − | |BBF6
| |
| − | |Data Select - Sonic Portrait
| |
| − | |-
| |
| − | |BC16
| |
| − | |Data Select - Super Sonic Portrait
| |
| − | |-
| |
| − | |BC36
| |
| − | |Data Select - AIZ Portrait
| |
| − | |-
| |
| − | |BC56
| |
| − | |Data Select - HCZ Portrait
| |
| − | |-
| |
| − | |BC76
| |
| − | |Data Select - MGZ Portrait
| |
| − | |-
| |
| − | |BC96
| |
| − | |Data Select - CNZ Portrait
| |
| − | |-
| |
| − | |BCB6
| |
| − | |Data Select - FBZ Portrait (Unused)
| |
| − | |-
| |
| − | |BCD6
| |
| − | |Data Select - ICZ Portrait
| |
| − | |-
| |
| − | |BCF6
| |
| − | |Data Select - LBZ Portrait
| |
| − | |-
| |
| − | |236AC
| |
| − | |Red Balls Debug Mode Item
| |
| − | |-
| |
| − | |2D3BE
| |
| − | |Special Stage Results
| |
| − | |-
| |
| − | |4160A
| |
| − | |Ending - Credits
| |
| − | |-
| |
| − | |4168A
| |
| − | |Ending - Knuckles and Eggman
| |
| − | |-
| |
| − | |457AE
| |
| − | |Knuckles
| |
| − | |-
| |
| − | |457CE
| |
| − | |###
| |
| − | |-
| |
| − | |4580E
| |
| − | |Carnival Night Lights Off
| |
| − | |-
| |
| − | |45E86
| |
| − | |Angel Island Act 1 Intro - Emeralds
| |
| − | |-
| |
| − | |47092
| |
| − | |Angel Island Act 1 Boss
| |
| − | |-
| |
| − | |47CD6
| |
| − | |Angel Island Act 2 Boss
| |
| − | |-
| |
| − | |48C9A
| |
| − | |Hydrocity Act 1 Boss
| |
| − | |-
| |
| − | |49D52
| |
| − | |Hydrocity Act 2 Boss
| |
| − | |-
| |
| − | |4B588
| |
| − | |Marble Garden Act 2 Boss
| |
| − | |-
| |
| − | |4BF70
| |
| − | |Carnival Night Act 1 Boss
| |
| − | |-
| |
| − | |4C91E
| |
| − | |Carnival Night Act 2 Boss
| |
| − | |-
| |
| − | |4D520
| |
| − | |Flying Battery Act 1 Boss
| |
| − | |-
| |
| − | |4DB80
| |
| − | |Flying Battery Act 2 Boss
| |
| − | |-
| |
| − | |4EBC2
| |
| − | |Icecap Act 2 Boss
| |
| − | |-
| |
| − | |4F444
| |
| − | |Icecap Act 1 Boss
| |
| − | |-
| |
| − | |4F98C
| |
| − | |Launch Base Act 1 Boss
| |
| − | |-
| |
| − | |503EE
| |
| − | |Launch Base Act 2 Triplet Boss
| |
| − | |-
| |
| − | |50C8A
| |
| − | |Launch Base Act 2 Cannonball Boss
| |
| − | |-
| |
| − | |520DC
| |
| − | |Launch Base Act 2 Final Boss
| |
| − | |-
| |
| − | |5211C
| |
| − | |Ending - Sonic
| |
| − | |-
| |
| − | |5213C
| |
| − | |Ending - Tails
| |
| − | |-
| |
| − | |5215C
| |
| − | |Ending - Super Sonic
| |
| − | |-
| |
| − | |8C234
| |
| − | |Sonic and Tails
| |
| − | |-
| |
| − | |8C274
| |
| − | |Level Select Menu
| |
| − | |-
| |
| − | |8C314
| |
| − | |Angel Island Act 1
| |
| − | |-
| |
| − | |8C374
| |
| − | |Angel Island Act 1 Intro
| |
| − | |-
| |
| − | |8C3D4
| |
| − | |Angel Island Act 2
| |
| − | |-
| |
| − | |8C494
| |
| − | |Angel Island Act 1 Underwater
| |
| − | |-
| |
| − | |8C434
| |
| − | |Angel Island Act 2 FBZ Sequence
| |
| − | |-
| |
| − | |8C514
| |
| − | |Angel Island Act 2 Underwater
| |
| − | |-
| |
| − | |8C594
| |
| − | |Hydrocity Act 1
| |
| − | |-
| |
| − | |8C654
| |
| − | |Hydrocity Act 1 Underwater
| |
| − | |-
| |
| − | |8C5F4
| |
| − | |Hydrocity Act 2
| |
| − | |-
| |
| − | |8C6D4
| |
| − | |Hydrocity Act 2 Underwater
| |
| − | |-
| |
| − | |8C754
| |
| − | |Marble Garden
| |
| − | |-
| |
| − | |8C7B4
| |
| − | |Carnival Night
| |
| − | |-
| |
| − | |8C814
| |
| − | |Carnival Night Underwater
| |
| − | |-
| |
| − | |8C894
| |
| − | |Icecap Act 1
| |
| − | |-
| |
| − | |8C8F4
| |
| − | |Icecap Act 2
| |
| − | |-
| |
| − | |8C954
| |
| − | |Icecap Act 2 Underwater
| |
| − | |-
| |
| − | |8C9D4
| |
| − | |Launch Base Act 1
| |
| − | |-
| |
| − | |8CA34
| |
| − | |Launch Base Act 2
| |
| − | |-
| |
| − | |8CA94
| |
| − | |Launch Base Act Underwater
| |
| − | |-
| |
| − | |8CB74
| |
| − | |2P Level - Azure Lake
| |
| − | |-
| |
| − | |8CBD4
| |
| − | |2P Level - Balloon Park
| |
| − | |-
| |
| − | |8CC94
| |
| − | |2P Level - Chrome Gadget
| |
| − | |-
| |
| − | |8CC34
| |
| − | |2P Level - Desert Palace
| |
| − | |-
| |
| − | |8CCF4
| |
| − | |2P Level - Endless Mine
| |
| − | |-
| |
| − | |8CD54
| |
| − | |Bonus Stage
| |
| − | |-
| |
| − | |A943C
| |
| − | |Mushroom Hill Act 1
| |
| − | |-
| |
| − | |A949C
| |
| − | |Mushroom Hill Act 2
| |
| − | |-
| |
| − | |A909C
| |
| − | |Flying Battery Act 1
| |
| − | |-
| |
| − | |A90FC
| |
| − | |Flying Battery Act 2
| |
| − | |-
| |
| − | |A94FC
| |
| − | |Sandopolis Act 1
| |
| − | |-
| |
| − | |A955C
| |
| − | |Sandopolis Act 2
| |
| − | |-
| |
| − | |A967C
| |
| − | |Lava Reef Act 1
| |
| − | |-
| |
| − | |A96DC
| |
| − | |Lava Reef Act 2
| |
| − | |-
| |
| − | |A9CDC
| |
| − | |Lava Reef Act 2 Boss
| |
| − | |-
| |
| − | |A9D3C
| |
| − | |Hidden Palace
| |
| − | |-
| |
| − | |A973C
| |
| − | |Sky Sanctuary Act 1
| |
| − | |-
| |
| − | |A979C
| |
| − | |Sky Sanctuary Act 2
| |
| − | |-
| |
| − | |A98BC
| |
| − | |Death Egg Act 1
| |
| − | |-
| |
| − | |A991C
| |
| − | |Death Egg Act 2
| |
| − | |-
| |
| − | |A9D9C
| |
| − | |Death Egg Act 2 Boss
| |
| − | |-
| |
| − | |A997C
| |
| − | |The Doomsday
| |
| − | |-
| |
| − | |164896
| |
| − | |Marble Garden Act 2 - Day to Night #1
| |
| − | |-
| |
| − | |164916
| |
| − | |Marble Garden Act 2 - Day to Night #2
| |
| − | |-
| |
| − | |164996
| |
| − | |Marble Garden Act 2 - Day to Night #3
| |
| − | |-
| |
| − | |164A16
| |
| − | |Marble Garden Act 2 - Day to Night #4
| |
| − | |-
| |
| − | |19D262
| |
| − | |Data Select - Background
| |
| − | |-
| |
| − | |19D282
| |
| − | |2P Menu - Background
| |
| − | |}
| |
| − | | |
| − | For information about the palette format, see [[Palette#Megadrive_Palette|Megadrive palette]].
| |
| − | | |
| − | ====Pattern Load Cues====
| |
| − | | |
| − | ===Object Editing===
| |
| − | ====Object Pointer List====
| |
| − | | |
| − | ====Sprite Mappings====
| |
| − | | |
| − | ====Object Placement====
| |
| − | There are six bites in one object definition. The first two bytes are the X position of the object, and the next two bytes are the Y position. The 5th byte is the reference number on the object pointer list (see above), and the 6th byte is an optional declaration to use for defining that object's behavior and/or animation. This will depend on the object. See the level specific hacking info for the locations of the object lists.
| |
| − | | |
| − | The 6th byte, the object subtype, is loaded in the 28th byte of the SST of that object (see below).
| |
| − | | |
| − | ===Ring Placement===
| |
| − | There are four bytes for every ring object. The first 2 bytes are X coordinates, after that there is one nibble to determine how many rings, then three nibbles (or one nibble and one byte) for the Y coordinates. After you are done adding all your rings for the level, "FF FF" will end the ring data. A format would look like this:
| |
| − | XX XX TY YY
| |
| − | Where X represents X position, Y represents Y position, and T represents type, as per the table below.
| |
| − | | |
| − | '''Example:'''
| |
| − | 03 46 10 2B
| |
| − | | |
| − | If you see this, then you will get two horizontal rings at X = 0346 Y = 02B. The "1" determines how many rings there are, and what direction they go. (horizontal or vertical) Here is what you get for each value:
| |
| − | | |
| − | {| border="1"
| |
| − | !Value||Rings
| |
| − | |-
| |
| − | |0
| |
| − | |1 Horizontal
| |
| − | |-
| |
| − | |1
| |
| − | |2 Horizontal
| |
| − | |-
| |
| − | |2
| |
| − | |3 Horizontal
| |
| − | |-
| |
| − | |3
| |
| − | |4 Horizontal
| |
| − | |-
| |
| − | |4
| |
| − | |5 Horizontal
| |
| − | |-
| |
| − | |5
| |
| − | |6 Horizontal
| |
| − | |-
| |
| − | |6
| |
| − | |7 Horizontal
| |
| − | |-
| |
| − | |7
| |
| − | |8 Horizontal
| |
| − | |-
| |
| − | |8
| |
| − | |1 Vertical
| |
| − | |-
| |
| − | |9
| |
| − | |2 Vertical
| |
| − | |-
| |
| − | |A
| |
| − | |3 Vertical
| |
| − | |-
| |
| − | |B
| |
| − | |4 Vertical
| |
| − | |-
| |
| − | |C
| |
| − | |5 Vertical
| |
| − | |-
| |
| − | |D
| |
| − | |6 Vertical
| |
| − | |-
| |
| − | |E
| |
| − | |7 Vertical
| |
| − | |-
| |
| − | |F
| |
| − | |8 Vertical
| |
| − | |-
| |
| − | |}
| |
| − | | |
| − | ===Level Layout===
| |
| − | Level layouts are compressed in Kosinski format, so to edit them you will need to decompress them first. (I recommend using TSDC for this)
| |
| − | | |
| − | Level layouts are pretty simple. There is one bye per 128x128 tile to place on the map. The blocks are put together from left to right, top to bottom. Each horizontal row is 60 bytes long. 60 bytes for the first row of the foreground, then 60 bytes for the first row of the background, then 60 bytes for the second row of the foreground....(it continues like this).
| |
| − | | |
| − | See the level specific hacking info for the locations of level layout data. (Put here for now, will eventually be moved to subpage)
| |
| − | {| border = "1"
| |
| − | ! Offset ||Level Name
| |
| − | |-
| |
| − | | 2814A8
| |
| − | | Angel Island 1
| |
| − | |-
| |
| − | | 281CF4
| |
| − | | Angel Island 2
| |
| − | |-
| |
| − | | 282A5A
| |
| − | | Hydrocity 1
| |
| − | |-
| |
| − | | 283582
| |
| − | | Hydrocity 2
| |
| − | |-
| |
| − | | 28442A
| |
| − | | Marble Garden 1
| |
| − | |-
| |
| − | | 2850BA
| |
| − | | Marble Garden 2
| |
| − | |-
| |
| − | | 285E6A
| |
| − | | Carnival Night 1
| |
| − | |-
| |
| − | | 286A34
| |
| − | | Carnival Night 2
| |
| − | |-
| |
| − | | 2879C2
| |
| − | | Icecap 1
| |
| − | |-
| |
| − | | 28898A
| |
| − | | Icecap 2
| |
| − | |-
| |
| − | | 2897DA
| |
| − | | Launch Base 1
| |
| − | |-
| |
| − | | 28A786
| |
| − | | Launch Base 2
| |
| − | |-
| |
| − | | 09F43E
| |
| − | | Mushroom Hill 1
| |
| − | |-
| |
| − | | 0A0172
| |
| − | | Mushroom Hill 2
| |
| − | |-
| |
| − | | 09D708
| |
| − | | Flying Battery 1
| |
| − | |-
| |
| − | | 09D708
| |
| − | | Flying Battery 2
| |
| − | |-
| |
| − | | 0A0DE2
| |
| − | | Sandopolis 1
| |
| − | |-
| |
| − | | 0A1C4E
| |
| − | | Sandopolis 2
| |
| − | |-
| |
| − | | 0A2A66
| |
| − | | Lava Reef 1
| |
| − | |-
| |
| − | | 0A388E
| |
| − | | Lava Reef 2
| |
| − | |-
| |
| − | | 0A76F4
| |
| − | | Lava Reef 2 (Robotnik)
| |
| − | |-
| |
| − | | 0A79AC
| |
| − | | Hidden Palace
| |
| − | |-
| |
| − | | 0A4616
| |
| − | | Sky Sanctuary 1
| |
| − | |-
| |
| − | | 0A5286
| |
| − | | Sky Sanctuary 2
| |
| − | |-
| |
| − | | 0A5402
| |
| − | | Death Egg 1
| |
| − | |-
| |
| − | | 0A63D0
| |
| − | | Death Egg 2
| |
| − | |-
| |
| − | | 0A7FD4
| |
| − | | Death Egg 2 (Robotnik)
| |
| − | |-
| |
| − | | 0A725E
| |
| − | | Doomsday
| |
| − | |}
| |
| − | | |
| − | ===16x16 Block Mappings===
| |
| − | | |
| − | ===Text Editing===
| |
| − | | |
| − | ==RAM Hacking==
| |
| − | | |
| − | ===Main System Memory Locations===
| |
| − | This is a map of 68k memory as used by the main gameplay engine. Note that any numbers entered (for example, score or number of rings) will have to be converted to hex first.
| |
| − | | |
| − | These are the offsets in RAM. To convert them to Genecyst savestate offsets, add $2478.
| |
| − | {| border="1"
| |
| − | !RAM offset||Description
| |
| − | |-
| |
| − | | $0000-$7FFF
| |
| − | | 128x128 mappings
| |
| − | |-
| |
| − | | $8000-$8FFF
| |
| − | | Level layout
| |
| − | |-
| |
| − | | $9000-$A9FF
| |
| − | | 16x16 mappings
| |
| − | |-
| |
| − | | $AA00-$AFFF
| |
| − | | Pattern decompression buffer
| |
| − | |-
| |
| − | | $AA00-$AFFF
| |
| − | | Pattern decompression buffer
| |
| − | |-
| |
| − | | $B000-????
| |
| − | | Object attribute table
| |
| − | |-
| |
| − | | $D000-????
| |
| − | | Kosinski decompression buffer
| |
| − | |-
| |
| − | | $EE12
| |
| − | | Screen Y end
| |
| − | |-
| |
| − | | $EE14
| |
| − | | Screen X start
| |
| − | |-
| |
| − | | $EE16
| |
| − | | Screen X end
| |
| − | |-
| |
| − | | $EE60
| |
| − | | Camera X for the second player in 2p mode
| |
| − | |-
| |
| − | | $EE64
| |
| − | | Camera Y for the second player in 2p mode
| |
| − | |-
| |
| − | | $EE68
| |
| − | | Copy of camera X for the second player in 2p mode for rasters
| |
| − | |-
| |
| − | | $EE6C
| |
| − | | Copy of camera Y for the second player in 2p mode for rasters
| |
| − | |-
| |
| − | | $EE78
| |
| − | | Camera X
| |
| − | |-
| |
| − | | $EE7C
| |
| − | | Camera Y
| |
| − | |-
| |
| − | | $EE80
| |
| − | | Copy of Camera X for Rasters
| |
| − | |-
| |
| − | | $EE84
| |
| − | | Copy of Camera Y for Rasters
| |
| − | |-
| |
| − | | $EEC6
| |
| − | | Level property (like killer wall in HCZ2 or avalanche in ICZ1)
| |
| − | |-
| |
| − | | $F600
| |
| − | | Master level trigger. Tells the game what it should be doing.
| |
| − | The MSB is a loading routine flag. It only matters for some game modes. It won't have any effect when changing modes because it's filtered out, but the corresponding routine does pay attention to it...
| |
| − | |-
| |
| − | | $F602
| |
| − | | In-game Controller 1 held state. Same as F604, but it only updates during the main game loop, and not while paused, or a custcene is running.
| |
| − | |-
| |
| − | | $F603
| |
| − | | In-game Controller 1 pressed state. Same as F602, but only tells which buttons are being pressed newly this frame.
| |
| − | |-
| |
| − | | $F604
| |
| − | | This bitfield tells which button(s) on Controller 1, if any, are currently pressed. Format is:
| |
| − | *Bit 0 - Up
| |
| − | *Bit 1 - Down
| |
| − | *Bit 2 - Left
| |
| − | *Bit 3 - Right
| |
| − | *Bit 4 - B
| |
| − | *Bit 5 - C
| |
| − | *Bit 6 - A
| |
| − | *Bit 7 - Start
| |
| − | This is updated every frame.
| |
| − | |-
| |
| − | | $F605
| |
| − | | Same as $F604, but only tells which buttons are being pressed newly this frame.
| |
| − | |-
| |
| − | | $F606
| |
| − | | Same as $F604, but for Controller 2.
| |
| − | |-
| |
| − | | $F607
| |
| − | | Same as $F606, but only tells which buttons are being pressed newly this frame for Controller 2.
| |
| − | |-
| |
| − | | $F614
| |
| − | | Demo time left & Time until demo starts from title screen.
| |
| − | |-
| |
| − | | $F636
| |
| − | | RNG seed (used for pseudo-random number generation).
| |
| − | |-
| |
| − | | $F63A-$F63B
| |
| − | | Game paused flag.
| |
| − | |-
| |
| − | | $F648-$F649
| |
| − | | Current water level. Should be a valid Y-axis value. Remember, the top of the level is $0000.
| |
| − | |-
| |
| − | | $F64C
| |
| − | | Water on: seems to be a copy of $F730.
| |
| − | |-
| |
| − | | $F65E
| |
| − | | Super Sonic palette counter. Decremented with every frame. How it works, exactly, is not known.
| |
| − | |-
| |
| − | | $F65F
| |
| − | | Sets the rotating palette for Super Sonic.
| |
| − | |-
| |
| − | | $F66A
| |
| − | | In-game Controller 2 held state. Same as $F602, but for controller 2
| |
| − | |-
| |
| − | | $F66B
| |
| − | | In-game Controller 2 pressed state. Same as $F66A, but only tells which buttons are being pressed newly this frame.
| |
| − | |-
| |
| − | | $F670-$F671
| |
| − | | Super Sonic ring drain counter. This is updated each frame, so the counter is set to 60 ($3C) on consoles operating in 60Hz mode, or 50 ($32) in consoles operating in 50Hz mode. After each frame, the code subtracts 1. One ring is removed when this counter reaches zero; in other words, each second.
| |
| − | |-
| |
| − | | $F680
| |
| − | | A buffer for pattern loading cues (requests).
| |
| − | |-
| |
| − | | $F700-$F701
| |
| − | | Seems to be set to $0001 when in a Sonic & Tails game. Set to $0000 when not a Sonic & Tails game.
| |
| − | |-
| |
| − | | $F702-$F703
| |
| − | | Tails control counter. Counts how long until the CPU takes control.
| |
| − | |-
| |
| − | | $F704-$F705
| |
| − | | Tails repawn counter.
| |
| − | |-
| |
| − | | $F708-$F709
| |
| − | | Tails CPU routine.
| |
| − | |-
| |
| − | | $F70A-$F70B
| |
| − | | Tails CPU target X position. Tells Tails where Sonic's X position is so he can fly back to him.
| |
| − | |-
| |
| − | | $F70C-$F70D
| |
| − | | Tails CPU target Y position. Tells Tails where Sonic's Y position is so he can fly back to him.
| |
| − | |-
| |
| − | | $F70E-$F70F
| |
| − | | Tails interact ID. Object ID of last object Tails stood on.
| |
| − | |-
| |
| − | | $F711
| |
| − | | Level started flag. Set to 1 as soon as the player first gets control in the level.
| |
| − | |-
| |
| − | | $F730
| |
| − | | Water flag. Must be set for any of the other water variables to have any effect. Note that levels without water don't have an underwater palette; you must set one or everything below the water level will be black.
| |
| − | |-
| |
| − | | $F760-$F761
| |
| − | | Sonic's top speed
| |
| − | |-
| |
| − | | $F762-$F763
| |
| − | | Sonic's acceleration
| |
| − | |-
| |
| − | | $F764-$F765
| |
| − | | Sonic's deceleration
| |
| − | |-
| |
| − | | $F766
| |
| − | | Sonic's current mapping frame number.
| |
| − | |-
| |
| − | | $F7AA
| |
| − | | Seems to be clear during normal play, but set to some value during a boss fight. That value may be the current Zone number.
| |
| − | |-
| |
| − | | $F7D0-$F7D1
| |
| − | | Bonus counter. Increments upon destruction of a destroyable object, and is used to determine how many points the destruction should give. Resets when the player touches the ground.
| |
| − | |-
| |
| − | | $F7D2-$F7D3
| |
| − | | Time bonus counter at the end of level result screen
| |
| − | |-
| |
| − | | $F7D4-$F7D5
| |
| − | | Ring bonus counter at the end of level result screen
| |
| − | |-
| |
| − | | $F7DA-$F7DB
| |
| − | | Counts the number of times the camera has scrolled to the right by one full screen width from its previous position - initial value is $FF80 and then counts up like: $FF80,$0000,$0080,$0100,$0180,etc.
| |
| − | |-
| |
| − | | $FC00 - $FCFF
| |
| − | | Object respawn table
| |
| − | |-
| |
| − | | $FE00
| |
| − | | Start of the system stack. Note that the stack grows '''up''' rather than '''down'''. This means that when something is pushed onto the stack, the SP is decremented, and when something is popped from it, the SP is incermented.
| |
| − | |-
| |
| − | | $FE02-$FE03
| |
| − | | Level restart flag.
| |
| − | |-
| |
| − | | $FE06
| |
| − | | Object currently selected in debug mode.
| |
| − | |-
| |
| − | | $FE09
| |
| − | | Object placement mode flag.
| |
| − | |-
| |
| − | | $FE10
| |
| − | | The current Zone. This is the value assigned to the Zone, not its position in the level list.
| |
| − | |-
| |
| − | | $FE11
| |
| − | | Act number
| |
| − | |-
| |
| − | | $FE12
| |
| − | | Life Count
| |
| − | |-
| |
| − | | $FE18
| |
| − | | Number of continues.
| |
| − | |-
| |
| − | | $FE19
| |
| − | | Super Sonic flag. Setting this will load the Super Sonic tiles, adjust Sonic's jump height, and start draining rings, but it will not load the rotating palette, change acceleration, max speed, or deceleration, or make him invincible.
| |
| − | |-
| |
| − | | $FE1A
| |
| − | | Flag which is set when the player has a time over.
| |
| − | |-
| |
| − | | $FE1B
| |
| − | | This bitfield tells the game if the player has collected extra lives from rings. Seems to work differently in S3k than in S2.
| |
| − | |-
| |
| − | | $FE1C
| |
| − | | Flag determines if the lives counter needs to be updated
| |
| − | |-
| |
| − | | $FE1D
| |
| − | | Flag determines if the rings counter needs to be updated
| |
| − | |-
| |
| − | | $FE1E
| |
| − | | Flag determines if the timer needs to be updated
| |
| − | |-
| |
| − | | $FE1F
| |
| − | | Flag determines if the score counter needs to be updated
| |
| − | |-
| |
| − | | $FE20-$FE21
| |
| − | | Ring count
| |
| − | |-
| |
| − | | $FE23
| |
| − | | Minutes on clock. Should not go above $09, or the clock will look like shit.
| |
| − | |-
| |
| − | | $FE24
| |
| − | | Seconds. This one shouldn't go above $3B, for the same reason.
| |
| − | |-
| |
| − | | $FE25
| |
| − | | Centiseconds. I don't know what'll happen if this goes out of range, but it's probably not good.
| |
| − | |-
| |
| − | | $FE26-$FE29
| |
| − | | Score (divided by 10)
| |
| − | |-
| |
| − | | $FE30
| |
| − | | Greatest reference number of passed star poles
| |
| − | |-
| |
| − | | $FE6E-$FEAF
| |
| − | | Oscillating numbers data
| |
| − | |-
| |
| − | | $FEC0-$FEC1
| |
| − | | Tails's max speed
| |
| − | |-
| |
| − | | $FEC2-$FEC3
| |
| − | | Tails's acceleration
| |
| − | |-
| |
| − | | $FEC4-$FEC5
| |
| − | | Tails's deceleration
| |
| − | |-
| |
| − | | $FEC6
| |
| − | | Tails's lives in 2P mode. Unused in S3K, but its there.
| |
| − | |-
| |
| − | | $FEC7
| |
| − | | This bitfield tells the game if the player has collected extra lives from rings. Used for Tails in 2P mode. Unused in S3K, but its there.
| |
| − | |-
| |
| − | | $FEC8-$FEC9
| |
| − | | Rings collected since level load. Resets if you enter Special/Bonus stage. Starts recounting from 0 when level is reentered. Unknown use.
| |
| − | |-
| |
| − | | $FF04-$FF05
| |
| − | | Seems to be the Perfect counter from S2. Decreases by 1 when a ring is collected.
| |
| − | |-
| |
| − | | $FF08
| |
| − | | Current character (00 - sonic & tails, 01 - sonic, 02 - tails, 03 - knuckles)
| |
| − | |-
| |
| − | | $FF0E
| |
| − | | Number of kosinski compressed data pieces waiting on the KosToRam queue to be decompressed to RAM
| |
| − | |-
| |
| − | | $FF40-$FF5F?
| |
| − | | The KosArt queue, which is a set of arrays of 2 longwords
| |
| − | *$00 - the source Kosinski data location
| |
| − | *$04 - the destination RAM address
| |
| − | |-
| |
| − | | $FF60
| |
| − | | Number of kosinski art pieces waiting on the queue to be decompressed and DMAed to VRAM (number of modules of the compressed Kosinski art btw)
| |
| − | Bit 7 set to 1 indicates that the art has been already decompressed to the Kosinski art buffer ($D000)
| |
| − | |-
| |
| − | | $FF64
| |
| − | | Art location of the moduled kosinski data.
| |
| − | |-
| |
| − | | $FFDA
| |
| − | | 2p mode player 1's character
| |
| − | |-
| |
| − | | $FFDB
| |
| − | | 2p mode player 2's character
| |
| − | |}
| |
| − | | |
| − | ===Object Status Table===
| |
| | | | |
| | {{SCHGuides}} | | {{SCHGuides}} |
| | + | [[Category:Sonic Community Hacking Guide]] |
