Character text, row-major

Text on surface composed of 4bpp tiles, mapped in row-major order. More...

Modules
	Bitmap text
	Text for 16bpp and 8bpp bitmap surfaces: modes 3, 4 and 5.

4bpp tiles
void	tte_init_chr4r (int bgnr, u16 bgcnt, u16 se0, u32 cattrs, u32 clrs, const TFont *font, fnDrawg proc)
	Initialize text system for 4bpp tiled, column-major surfaces.
void	chr4r_erase (int left, int top, int right, int bottom)
	Erase part of the 4bpp text canvas.
void	chr4r_drawg_b1cts (uint gid)
	Render 1bpp fonts to 4bpp tiles.
IWRAM_CODE void	chr4r_drawg_b1cts_fast (uint gid)
	Initialize text system for 4bpp tiled, column-major surfaces.

Detailed Description

Text on surface composed of 4bpp tiles, mapped in row-major order.

There are actually two chr4 systems, with row-major and column-major tile indexing. The column-major version is more advanced, so use that when possible.

See also

4bpp tiled surfaces, row major

Function Documentation

chr4r_drawg_b1cts_fast()

IWRAM_CODE void chr4r_drawg_b1cts_fast

(

uint

gid

)

Initialize text system for 4bpp tiled, column-major surfaces.

Parameters

bgnr	Background number.
bgcnt	Background control flags.
se0	Base offset for screen-entries.
cattrs	Color attributes; one byte per attr.
clrs	ink(/shadow) colors.
font	Font to initialize with.
proc	Glyph renderer

tte_init_chr4r()

void tte_init_chr4r	(	int	bgnr,
		u16	bgcnt,
		u16	se0,
		u32	cattrs,
		u32	clrs,
		const TFont *	font,
		fnDrawg	proc
	)

Initialize text system for 4bpp tiled, column-major surfaces.

Parameters

bgnr	Background number.
bgcnt	Background control flags.
se0	Base offset for screen-entries.
cattrs	Color attributes; one byte per attr.
clrs	ink(/shadow) colors.
font	Font to initialize with.
proc	Glyph renderer

References BFN_GET, TTC::cattr, chr4r_erase(), TTC::ctrl, TTC::dst, pal_bg_bank, pal_bg_mem, REG_BGCNT, schr4r_prep_map(), se_mem, SRF_CHR4R, srf_init(), tile_mem, tte_get_context(), tte_init_base(), and vwf_default.