mu3, chusan: improved library doc

chuniio/chuniio.h

@@ -163,9 +163,17 @@ HRESULT chuni_io_led_init(void);
    Chunithm uses two chains/boards with WS2811 protocol (each logical led corresponds to 3 physical leds). 
    board 0 is on the left side and board 1 on the right side of the cab
 
-   left side has 5*10 rgb values for the billboard, followed by 3 rgb values for the air tower
-   right side has 6*10 rgb values for the billboard, followed by 3 rgb values for the air tower
+   Board 0 has 53 LEDs:
+     [0]-[49]: snakes through left half of billboard (first column starts at top)
+     [50]-[52]: left side partition LEDs
    
+   Board 1 has 63 LEDs:
+     [0]-[59]: right half of billboard (first column starts at bottom)
+     [60]-[62]: right side partition LEDs
+   
+   Board 2 is the slider and has 31 LEDs:
+     [0]-[31]: slider LEDs right to left BRG, alternating between keys and dividers 
+
    Each rgb value is comprised of 3 bytes in R,G,B order
 
    NOTE: billboard strips have alternating direction (bottom to top, top to bottom, ...)

dist/mai2/segatools.ini

@@ -69,6 +69,18 @@ freeplay=0
 ; this to 1 on exactly one machine and set this to 0 on all others.
 dipsw1=1
 
+; -----------------------------------------------------------------------------
+; Misc. hook settings
+; -----------------------------------------------------------------------------
+
+[unity]
+; Enable Unity hook. This will allow you to run custom .NET code before the game
+enable=1
+
+; Path to a .NET DLL that should run before the game. Useful for loading
+; modding frameworks such as BepInEx.
+targetAssembly=
+
 ; -----------------------------------------------------------------------------
 ; Custom IO settings
 ; -----------------------------------------------------------------------------
@@ -83,15 +95,6 @@ path=
 ; Leave empty if you want to use Segatools built-in keyboard input.
 path=
 
-; -----------------------------------------------------------------------------
-; Misc. hook settings
-; -----------------------------------------------------------------------------
-
-[unity]
-; Path to a .NET DLL that should run before the game. Useful for loading
-; modding frameworks such as BepInEx.
-targetAssembly=
-
 ; -----------------------------------------------------------------------------
 ; Input settings
 ; -----------------------------------------------------------------------------

mu3io/mu3io.h

@@ -123,12 +123,33 @@ void mu3_io_get_lever(int16_t *pos);
 
    All subsequent calls may originate from arbitrary threads and some may
    overlap with each other. Ensuring synchronization inside your IO DLL is
-   your responsibility. */
+   your responsibility. 
+   
+   Minimum API version: 0x0101 */
 
 HRESULT mu3_io_led_init(void);
 
-/* Update the RGB LEDs. 
-   
-   Exact layout is TBD. */
+/* Update the RGB LEDs. rgb is a pointer to an array of up to 61 * 3 = 183 bytes.
+
+   ONGEKI uses one board with WS2811 protocol (each logical led corresponds to 3 
+   physical leds). Board 0 is used for all cab lights and both WAD button lights.
+
+   Board 0 has 61 LEDs:
+      [0]-[1]: left side button
+      [2]-[8]: left pillar lower LEDs
+      [9]-[17]: left pillar center LEDs
+      [18]-[24]: left pillar upper LEDs
+      [25]-[35]: billboard LEDs
+      [36]-[42]: right pillar upper LEDs
+      [43]-[51]: right pillar center LEDs
+      [52]-[58]: right pillar lower LEDs
+      [59]-[60]: right side button
+
+   Board 1 has 6 LEDs:
+      [0]-[5]: 3 left and 3 right controller buttons
+
+   Each rgb value is comprised of 3 bytes in R,G,B order
+
+   Minimum API version: 0x0101 */
 
 void mu3_io_led_set_colors(uint8_t board, uint8_t *rgb);