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--- super:technical_information:data_structures [2019/02/14 23:55] – Enemy projectiles, animated tiles objects, HDMA objects p.jboy
+++ super:technical_information:data_structures [2019/03/21 21:56] – [State header] fixed formatting p.jboy
@@ Line 86: / Line 86: @@
 | Eh | Zebes timebomb set |
 | Fh | Critters escaped |
-| 10 | 1st Metroid hall cleared |
+| 10h | 1st Metroid hall cleared |
-| 11 | 1st Metroid shaft cleared |
+| 11h | 1st Metroid shaft cleared |
-| 12 | 2nd Metroid hall cleared |
+| 12h | 2nd Metroid hall cleared |
-| 13 | 2nd Metroid shaft cleared |
+| 13h | 2nd Metroid shaft cleared |
-| 14 | //Unused// |
+| 14h | //Unused// |
-| 15 | Outran speed booster lavaquake |
+| 15h | Outran speed booster lavaquake |
 Boss bits are given as follows:
@@ Line 153: / Line 153: @@
   |      |  |  |  |    |    |     ________________________________ Layer 2 scroll X
   |      |  |  |  |    |    |    |   _____________________________ Layer 2 scroll Y
-  |      |  |  |  |    |    |    |  |     ________________________ Scroll
+  |      |  |  |  |    |    |    |  |   __________________________ Scroll
-  |      |  |  |  |    |    |    |  |    |      __________________ Special x-ray blocks
+  |      |  |  |  |    |    |    |  |  |     _____________________ Special x-ray blocks
-  |      |  |  |  |    |    |    |  |    |    |     ______________ Main ASM (FX2 in old SMILE)
+  |      |  |  |  |    |    |    |  |  |    |     ________________ Main ASM (FX2 in old SMILE)
-  |      |  |  |  |    |    |    |  |    |    |    |     _________ PLM population
+  |      |  |  |  |    |    |    |  |  |    |    |     ___________ PLM population
-  |      |  |  |  |    |    |    |  |    |    |    |    |     ____ Library background
+  |      |  |  |  |    |    |    |  |  |    |    |    |     ______ Library background
-  |      |  |  |  |    |    |    |  |    |    |    |    |    |   _ Setup ASM (Layer1_2 in old SMILE)
+  |      |  |  |  |    |    |    |  |  |    |    |    |    |     _ Setup ASM (Layer1_2 in old SMILE)
-  |      |  |  |  |    |    |    |  |    |    |    |    |    |  |
+  |      |  |  |  |    |    |    |  |  |    |    |    |    |    |
   llllll tt MM mm ffff eeee EEEE xx yy ssss xxxx AAAA pppp bbbb aaaa
@@ Line 549: / Line 549: @@
 The **X/Y position** is specified in (16px x 16px) block units.
 The **block** uses the level data block format, except that the block type is ignored.
+Note that [[http://metroidconstruction.com/resource.php?id=54|flexglow]] uses this pointer for the flexglow table instead.
 ==== PLM population ====
@@ Line 704: / Line 706: @@
 The **table timer** is how many frames to wait until the next instruction in the instruction list is proceeded to.
+===== Palette FX objects =====
+Palette FX objects are objects that modify palette data in real-time.
+They exist in bank $8D and are loaded with a room from an FX header.
+Palette FX object header format:
+   ______ Initialisation ASM pointer
+  |     _ Instruction list pointer
+  |    |
+  aaaa iiii
+The **special instructions** for palette FX objects have the format:
+   ______ Palette timer
+  |     _ Palette instruction list
+  |    |
+  tttt [...]
+The **palette timer** is how many frames to wait until the next instruction in the instruction list is proceeded to.
+The ASM instructions are usually used for setting the initial colour index,
+which is an index into CGRAM equal to ''(p * 10h + c) * 2'' where ''p'' is the palette number and ''c'' is the colour index within the palette.
+**Palette instructions** are a mix of colours (which are positive values) and ASM instructions (negative values).
+Colours are written to successive positions in CGRAM starting from initial colour index.
+ASM instructions can modify the colour index between listed colour values,
+and the instruction $C595 is used to terminate the palette instruction list.

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