Palette system for Dual Screen

Macros
#define	PA_DualLoadPal(palette, source)
	Load a 256 color palette in the Bg or Sprite palette of both screens.
#define	PA_DualLoadPal16(palette, n_palette, source)
	Load a 16 color palette in the Bg or Sprite palette of both screens.

Functions
static void	PA_DualSetPalNeg (u32 palette)
	Set all the palette's color to negative. To undo this, simply negative again...
static void	PA_DualSetPal16Neg (u32 palette, u8 n_palette)
	Set 16 color palette to negative. To undo this, simply negative again...
static void	PA_DualLoadSpritePal (u8 palette_number, void *palette)
	Load a 256 color palette in the Sprite palettes.
static void	PA_DualLoadBgPal (u8 bg_number, void *palette)
	Load a 256 color palette for a given background.
static void	PA_DualSetBgColor (u16 color)
	Change the background color of both screens.

Detailed Description

Load palettes, change palette colors, set the gamma, etc... on both screens !

Macro Definition Documentation

PA_DualLoadPal

#define PA_DualLoadPal	(		palette,
			source
	)

Value:

    do{\
    DC_FlushRange(source, 256 * 2); \
    dmaCopy((void*)source, (void*)palette, 256 * 2);\
    dmaCopy((void*)(source + 1024), (void*)palette, 256 * 2);\
    if(palette == PAL_SPRITE)\
        PA_DualLoadSpriteExtPal(0, (void*)palette);\
}while(0)

Load a 256 color palette in the Bg or Sprite palette of both screens.

Parameters

palette	Set the Bg palette or Sprite palette : PAL_BG or PAL_SPRITE
source	Palette name (ex : master_Palette)

PA_DualLoadPal16

#define PA_DualLoadPal16	(		palette,
			n_palette,
			source
	)

Value:

    do{\
    DC_FlushRange(source, 16 * 2); \
    dmaCopy((void*)source, (void*)(palette + (n_palette << 5)), 16 * 2); \
    dmaCopy((void*)source, (void*)(palette + 1024 + (n_palette << 5)), 16 * 2); \
}while(0)

Load a 16 color palette in the Bg or Sprite palette of both screens.

Parameters

palette	Set the Bg palette or Obj palette : PAL_BG or PAL_SPRITE
n_palette	Number of the 16 color palette to load (0-15)
source	Palette name (ex : master_Palette)

Function Documentation

PA_DualSetPalNeg()

static inline void PA_DualSetPalNeg ( u32  palette )

inlinestatic

Set all the palette's color to negative. To undo this, simply negative again...

Parameters

palette

Set the Bg palette or Obj palette : PAL_BG, PAL_SPRITE

PA_DualSetPal16Neg()

static inline void PA_DualSetPal16Neg ( u32  palette, u8  n_palette  )

inlinestatic

Set 16 color palette to negative. To undo this, simply negative again...

Parameters

palette	Set the Bg palette or Obj palette : PAL_BG, PAL_SPRITE
n_palette	Number of the 16 color palette (0-15)

PA_DualLoadSpritePal()

static inline void PA_DualLoadSpritePal ( u8  palette_number, void *  palette  )

inlinestatic

Load a 256 color palette in the Sprite palettes.

Parameters

palette_number	Palette number (0-15)
palette	Palette to load ((void*)palette_name)

PA_DualLoadBgPal()

static inline void PA_DualLoadBgPal ( u8  bg_number, void *  palette  )

inlinestatic

Load a 256 color palette for a given background.

Parameters

bg_number	Background number (0-3)
palette	Palette to load ((void*)palette_name)

PA_DualSetBgColor()

static inline void PA_DualSetBgColor ( u16  color )

inlinestatic

Change the background color of both screens.

Parameters

color

RGB value, like PA_RGB(31, 31, 31) for white