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Defines | |
#define | REG_MOSAIC(screen) _REG16(0x0400004C + (screen * 0x1000)) |
#define | REG_BLDCNT(screen) _REG16(0x04000050 + (screen * 0x1000)) |
#define | REG_BLDALPHA(screen) _REG16(0x04000052 + (screen * 0x1000)) |
#define | SFX_BG0 1 |
#define | SFX_BG1 2 |
#define | SFX_BG2 4 |
#define | SFX_BG3 8 |
#define | SFX_OBJ 16 |
#define | SFX_BD 32 |
#define | SFX_NONE 0 |
#define | SFX_ALPHA 1 |
#define | SFX_BRIGHTINC 2 |
#define | SFX_BRIGHTDEC 3 |
#define | PA_EnableBgMosaic(screen, bg) _REG16(REG_BGCNT(screen, bg)) |= (1 << 6) |
Enable the mosaic effect for a given background | |
#define | PA_DisableBgMosaic(screen, bg) _REG16(REG_BGCNT(screen, bg)) &= ~(1 << 6) |
Disable the mosaic effect for a given background | |
#define | PA_SetBgMosaicXY(screen, h_size, v_size) {REG_MOSAIC(screen) &= 255; REG_MOSAIC(screen) |= (h_size + (v_size << 4));} |
Set the Mosaic parameters for the backgrounds | |
#define | PA_SetSpriteMosaicXY(screen, h_size, v_size) {REG_MOSAIC(screen) &= (255 << 8); REG_MOSAIC(screen) |= ((h_size << 8) + (v_size << 12));} |
Set the Mosaic parameters for the sprites | |
#define | PA_EnableSpecialFx(screen, EffectType, FirstTarget, SecondTarget) REG_BLDCNT(screen) = (FirstTarget + (SecondTarget << 8) + (EffectType << 6)) |
Enable Special Effects and set whether backgrounds and sprites will use them or not. This also sets the type of Effect | |
#define | PA_DisableSpecialFx(screen) REG_BLDCNT(screen) = 0 |
Disable Special Effects | |
#define | PA_SetSFXAlpha(screen, Coeff1, Coeff2) REG_BLDALPHA(screen) = Coeff1 + (Coeff2 << 8) |
Set the special effect parameters for Alpha-Blending |
Special effects (alpha-blending, luminosity, mosaic effect...)