Old large background system

Macros
#define	PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly)
	[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels)
#define	PA_LoadPAGfxLargeBg(screen, bg_number, bg_name)
	[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels), converted with PAGfx
#define	PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly)
	[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels), but here you can put yourself the tile size...

Functions
static void	PA_InfLargeScrollX (u8 screen, u8 bg_select, s32 x)
	Scroll a large infinite scrolling background horizontaly. It must have been initialised with PA_LoadLargeBg.
static void	PA_InfLargeScrollY (u8 screen, u8 bg_select, s32 y)
	Scroll a large infinite scrolling background vertically. It must have been initialised with PA_LoadLargeBg.
static void	PA_InfLargeScrollXY (u8 screen, u8 bg_select, s32 x, s32 y)
	Scroll a large infinite scrolling background horizontaly and vertically. It must have been initialised with PA_LoadLargeBg.
static void	PA_LargeScrollX (u8 screen, u8 bg_select, s32 x)
	Scroll a large background horizontaly. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...
static void	PA_LargeScrollY (u8 screen, u8 bg_select, s32 y)
	Scroll a large background vertically. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...
static void	PA_LargeScrollXY (u8 screen, u8 bg_select, s32 x, s32 y)
	Scroll a large background horizontaly and vertically. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...

Detailed Description

Old LargeMap functions, obsoleted by PA_LoadBackground()

Macro Definition Documentation

PA_LoadLargeBg

#define PA_LoadLargeBg	(		screen,
			bg_select,
			bg_tiles,
			bg_map,
			color_mode,
			lx,
			ly
	)

Value:

    do{\
    PA_DEPRECATED_MACRO;\
    PA_BgInfo[screen][bg_select].NTiles = SIZEOF_16BIT(bg_tiles)>>5;\
    if (PA_BgInfo[screen][bg_select].NTiles < MAX_TILES) {PA_LoadSimpleBg(screen, bg_select, bg_tiles, NULL, BG_512X256, 0, color_mode);}\
    else{PA_LoadTileEngine(screen, bg_select, (void*)bg_tiles);}\
    PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}while(0)

[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels)

Deprecated:

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
bg_tiles	Name of the tiles' info (example: ship_Tiles)
bg_map	Name of the map's info (example : ship_Map)
color_mode	Color mode : 0 for 16 color mode, 1 for 256...
lx	Width, in tiles. So a 512 pixel wide map is 64 tiles wide...
ly	Height, in tiles. So a 512 pixel high map is 64 tiles high...

PA_LoadPAGfxLargeBg

#define PA_LoadPAGfxLargeBg	(		screen,
			bg_number,
			bg_name
	)

Value:

    do{\
    PA_DEPRECATED_MACRO;\
    PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
    PA_LoadLargeBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, 1, (bg_name##_Info[1]) >> 3, (bg_name##_Info[2]) >> 3);}while(0)

[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels), converted with PAGfx

Deprecated:

Parameters

screen	Chose de screen (0 or 1)
bg_number	Background number to load (from 0 to 3)
bg_name	Background name, in PAGfx

PA_LoadLargeBgEx

#define PA_LoadLargeBgEx	(		screen,
			bg_select,
			bg_tiles,
			tile_size,
			bg_map,
			color_mode,
			lx,
			ly
	)

Value:

    do{\
    PA_DEPRECATED_MACRO;\
    PA_BgInfo[screen][bg_select].NTiles = SIZEOF_16BIT(bg_tiles)>>5;\
    if (PA_BgInfo[screen][bg_select].NTiles < MAX_TILES) {PA_LoadBg(screen, bg_select, bg_tiles, tile_size, NULL, BG_512X256, 0, color_mode);}\
    else{PA_LoadTileEngine(screen, bg_select, bg_tiles);}\
    PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}while(0)

[DEPRECATED] Completely load and initialise a background with infinite scrolling (usefull if larger or wider than 512 pixels), but here you can put yourself the tile size...

Deprecated:

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
bg_tiles	Name of the tiles' info (example: ship_Tiles)
tile_size	Size of your tileset
bg_map	Name of the map's info (example : ship_Map)
color_mode	Color mode : 0 for 16 color mode, 1 for 256...
lx	Width, in tiles. So a 512 pixel wide map is 64 tiles wide...
ly	Height, in tiles. So a 512 pixel high map is 64 tiles high...

Function Documentation

PA_InfLargeScrollX()

void PA_InfLargeScrollX ( u8  screen, u8  bg_select, s32  x  )

inlinestatic

Scroll a large infinite scrolling background horizontaly. It must have been initialised with PA_LoadLargeBg.

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
x	X value to scroll

PA_InfLargeScrollY()

void PA_InfLargeScrollY ( u8  screen, u8  bg_select, s32  y  )

inlinestatic

Scroll a large infinite scrolling background vertically. It must have been initialised with PA_LoadLargeBg.

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
y	Y value to scroll

PA_InfLargeScrollXY()

static inline void PA_InfLargeScrollXY ( u8  screen, u8  bg_select, s32  x, s32  y  )

inlinestatic

Scroll a large infinite scrolling background horizontaly and vertically. It must have been initialised with PA_LoadLargeBg.

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
x	X value to scroll
y	Y value to scroll

PA_LargeScrollX()

void PA_LargeScrollX ( u8  screen, u8  bg_select, s32  x  )

inlinestatic

Scroll a large background horizontaly. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
x	X value to scroll

PA_LargeScrollY()

void PA_LargeScrollY ( u8  screen, u8  bg_select, s32  y  )

inlinestatic

Scroll a large background vertically. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
y	Y value to scroll

PA_LargeScrollXY()

static inline void PA_LargeScrollXY ( u8  screen, u8  bg_select, s32  x, s32  y  )

inlinestatic

Scroll a large background horizontaly and vertically. It must have been initialised with PA_LoadLargeBg. This function does not wrap around, but is faster than the InfLargeScroll...

Parameters

screen	Chose de screen (0 or 1)
bg_select	Background number to load (from 0 to 3)
x	X value to scroll
y	Y value to scroll