From db3ecf5012612ed08aab55f4a8993afea74a4216 Mon Sep 17 00:00:00 2001 From: DizzyEggg Date: Mon, 29 Jan 2018 17:47:12 +0100 Subject: decompile scanline effect --- include/scanline_effect.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 include/scanline_effect.h (limited to 'include/scanline_effect.h') diff --git a/include/scanline_effect.h b/include/scanline_effect.h new file mode 100644 index 000000000..54dfe17bd --- /dev/null +++ b/include/scanline_effect.h @@ -0,0 +1,47 @@ +#ifndef GUARD_SCANLINE_EFFECT_H +#define GUARD_SCANLINE_EFFECT_H + +// DMA control value to ransfer a single 16-bit value at HBlank +#define SCANLINE_EFFECT_DMACNT_16BIT (((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_SRC_INC | DMA_DEST_INC | DMA_16BIT | DMA_DEST_RELOAD) << 16) | 1) + +#define SCANLINE_EFFECT_REG_BG0HOFS (REG_ADDR_BG0HOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG0VOFS (REG_ADDR_BG0VOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG1HOFS (REG_ADDR_BG1HOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG1VOFS (REG_ADDR_BG1VOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG2HOFS (REG_ADDR_BG2HOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG2VOFS (REG_ADDR_BG2VOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG3HOFS (REG_ADDR_BG3HOFS - REG_ADDR_BG0HOFS) +#define SCANLINE_EFFECT_REG_BG3VOFS (REG_ADDR_BG3VOFS - REG_ADDR_BG0HOFS) + +struct ScanlineEffectParams +{ + volatile void *dmaDest; + u32 dmaControl; + u8 initState; + u8 unused9; +}; + +struct ScanlineEffect +{ + void *dmaSrcBuffers[2]; + volatile void *dmaDest; + u32 dmaControl; + void (*setFirstScanlineReg)(void); + u8 srcBuffer; + u8 state; + u8 unused16; + u8 unused17; + u8 waveTaskId; +}; + +extern struct ScanlineEffect gScanlineEffect; + +extern u16 gScanlineEffectRegBuffers[][0x3C0]; + +void ScanlineEffect_Stop(void); +void ScanlineEffect_Clear(void); +void ScanlineEffect_SetParams(struct ScanlineEffectParams); +void ScanlineEffect_InitHBlankDmaTransfer(void); +u8 ScanlineEffect_InitWave(u8 startLine, u8 endLine, u8 frequency, u8 amplitude, u8 delayInterval, u8 regOffset, bool8 a7); + +#endif // GUARD_SCANLINE_EFFECT_H -- cgit v1.2.3 From db6185275eeacef224ed76dfc733f912cb5350b7 Mon Sep 17 00:00:00 2001 From: DizzyEggg Date: Wed, 31 Jan 2018 13:05:36 +0100 Subject: start decompiling rayquaza scene --- include/scanline_effect.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/scanline_effect.h') diff --git a/include/scanline_effect.h b/include/scanline_effect.h index 54dfe17bd..eb837e7e2 100644 --- a/include/scanline_effect.h +++ b/include/scanline_effect.h @@ -1,7 +1,7 @@ #ifndef GUARD_SCANLINE_EFFECT_H #define GUARD_SCANLINE_EFFECT_H -// DMA control value to ransfer a single 16-bit value at HBlank +// DMA control value to transfer a single 16-bit value at HBlank #define SCANLINE_EFFECT_DMACNT_16BIT (((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_SRC_INC | DMA_DEST_INC | DMA_16BIT | DMA_DEST_RELOAD) << 16) | 1) #define SCANLINE_EFFECT_REG_BG0HOFS (REG_ADDR_BG0HOFS - REG_ADDR_BG0HOFS) @@ -36,7 +36,7 @@ struct ScanlineEffect extern struct ScanlineEffect gScanlineEffect; -extern u16 gScanlineEffectRegBuffers[][0x3C0]; +extern u16 gScanlineEffectRegBuffers[2][0x3C0]; void ScanlineEffect_Stop(void); void ScanlineEffect_Clear(void); -- cgit v1.2.3