scroll.h File Reference

The display scroll work, the HBlank scroll work and its wave. More...

Go to the source code of this file.

Data Structures
struct	DisplayScrollWork
	The wavy background's work: two pages of BG1 to BG3 scroll offsets for each of the 160 scanlines, and the sine wave that bends them on each axis. More...

Functions
	STATIC_ASSERT (sizeof(struct DisplayScrollWork)==0xf20)
	STATIC_ASSERT (offsetof(struct DisplayScrollWork, page)==0xf00)
	STATIC_ASSERT (offsetof(struct DisplayScrollWork, freqX)==0xf08)

Variables
struct DisplayScrollWork *	gHBlankScrollWork
const s16	gDisplayScroll_WaveSine []
	Sine times 4096, 256 steps to a turn.

Detailed Description

The display scroll work, the HBlank scroll work and its wave.

Definition in file scroll.h.

Function Documentation

STATIC_ASSERT() [1/3]

STATIC_ASSERT

(

sizeof(struct DisplayScrollWork)

= =0xf20

)

STATIC_ASSERT() [2/3]

STATIC_ASSERT

(

offsetof(struct DisplayScrollWork, page)

= =0xf00

)

STATIC_ASSERT() [3/3]

STATIC_ASSERT

(

offsetof(struct DisplayScrollWork, freqX)

= =0xf08

)

Variable Documentation

gHBlankScrollWork

struct DisplayScrollWork* gHBlankScrollWork

extern

Referenced by DisplayScroll_ArmHBlankDma(), DisplayScroll_BuildAndSwapHBlankPage(), and STATIC_ASSERT().

gDisplayScroll_WaveSine

const s16 gDisplayScroll_WaveSine[]

extern

Sine times 4096, 256 steps to a turn.

Definition at line 347 of file fxdata.c.

Referenced by DisplayScroll_BuildAndSwapHBlankPage(), and STATIC_ASSERT().