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| − | | + | #REDIRECT [[sega:Block mappings]] |
| − | '''Block mappings''' are used to arrange large amounts of 8x8 tiles into larger tiles (16x16, followed by 128x128 or 256x256). These larger tiles are then arranged into the level layout.
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| − | ==16x16 tiles==
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| − | ===Games===
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| − | *[[Sonic the Hedgehog]]
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| − | *[[Sonic the Hedgehog 2]]
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| − | *[[Sonic 3 & Knuckles]]
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| − | *[[Sonic CD]]
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| − | *[[Sonic Crackers]]
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| − | | |
| − | ===Format===
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| − | Each 8x8 tile in the 16x16 block mappings has a two-[[byte]] value in the format '''XYYY''', where '''YYY''' is the number of the tile to be loaded from the [[VRAM]], and '''X''' is the display method for the tile. These are all the possible values for '''X''':
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| − | ===================================
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| − | value pallet orientation
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| − | ===================================
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| − | 0 1 normal
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| − | 1 1 y
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| − | 2 2 normal
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| − | 3 2 y
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| − | 4 3 normal
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| − | 5 3 y
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| − | 6 4 normal
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| − | 7 4 y
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| − | 8 1 normal
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| − | 9 1 x
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| − | A 2 normal
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| − | B 2 x
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| − | C 3 normal
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| − | D 3 x
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| − | E 4 normal
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| − | F 4 x
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| − | | |
| − | ==128x128 tiles==
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| − | ===Games===
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| − | *[[Sonic the Hedgehog 2]]
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| − | *[[Sonic 3 & Knuckles]]
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| − | *[[Sonic Crackers]]
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| − | | |
| − | [[Category:Hacking Information]]
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