Defines | |
#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) {PA_REG_MOSAIC(screen) &= 255; PA_REG_MOSAIC(screen) |= ((h_size) + ((v_size) << 4));} |
Set the Mosaic parameters for the backgrounds. | |
#define | PA_SetSpriteMosaicXY(screen, h_size, v_size) {PA_REG_MOSAIC(screen) &= (255 << 8); PA_REG_MOSAIC(screen) |= (((h_size) << 8) + ((v_size) << 12));} |
Set the Mosaic parameters for the sprites. | |
#define | PA_EnableSpecialFx(screen, EffectType, FirstTarget, SecondTarget) PA_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) PA_REG_BLDCNT(screen) = 0 |
Disable Special Effects. | |
#define | PA_SetSFXAlpha(screen, Coeff1, Coeff2) PA_REG_BLDALPHA(screen) = (Coeff1) + ((Coeff2) << 8) |
Set the special effect parameters for Alpha-Blending. |
#define PA_DisableBgMosaic | ( | screen, | |||
bg | ) | _REG16(REG_BGCNT(screen, bg)) &= ~(1 << 6) |
Disable the mosaic effect for a given background.
screen | Background screen (0 or 1) | |
bg | Background number |
#define PA_DisableSpecialFx | ( | screen | ) | PA_REG_BLDCNT(screen) = 0 |
Disable Special Effects.
screen | Screen... |
#define PA_EnableBgMosaic | ( | screen, | |||
bg | ) | _REG16(REG_BGCNT(screen, bg)) |= (1 << 6) |
Enable the mosaic effect for a given background.
screen | Background screen (0 or 1) | |
bg | Background number |
#define PA_EnableSpecialFx | ( | screen, | |||
EffectType, | |||||
FirstTarget, | |||||
SecondTarget | ) | PA_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.
screen | Screen... | |
EffectType | Effect Type. 0 for non, 1 for alpha-blending, 2 for brightness increase, and 3 for brightness decrease. You can use the macros SFX_NONE, SFX_ALPHA, SFX_BRIGHTINC, SFX_BRIGHTDEC | |
FirstTarget | Backgrounds and sprites for which to activate the effect. Use the following macro : SFX_BG0 | SFX_BG1 | SFX_BG2 | SFX_BG3 | SFX_OBJ | SFX_BD (back drop) | |
SecondTarget | Backgrounds and sprites to be seen behind the alpha-blending. Use the following macro : SFX_BG0 | SFX_BG1 | SFX_BG2 | SFX_BG3 | SFX_OBJ | SFX_BD (back drop) |
#define PA_SetBgMosaicXY | ( | screen, | |||
h_size, | |||||
v_size | ) | {PA_REG_MOSAIC(screen) &= 255; PA_REG_MOSAIC(screen) |= ((h_size) + ((v_size) << 4));} |
Set the Mosaic parameters for the backgrounds.
screen | Screen... | |
h_size | Horizontal size of the mosaic (1 for 1 pixel, 2 for 2 pixels, etc...) | |
v_size | Vertical size of the mosaic (1 for 1 pixel, 2 for 2 pixels, etc...) |
#define PA_SetSFXAlpha | ( | screen, | |||
Coeff1, | |||||
Coeff2 | ) | PA_REG_BLDALPHA(screen) = (Coeff1) + ((Coeff2) << 8) |
Set the special effect parameters for Alpha-Blending.
screen | Screen... | |
Coeff1 | Coefficient for the first layer, from 0 to 31. Apparently, it's better to set between 0 and 16 | |
Coeff2 | Coefficient for the second layer, from 0 to 31. Apparently, it's better to set between 0 and 16 |
#define PA_SetSpriteMosaicXY | ( | screen, | |||
h_size, | |||||
v_size | ) | {PA_REG_MOSAIC(screen) &= (255 << 8); PA_REG_MOSAIC(screen) |= (((h_size) << 8) + ((v_size) << 12));} |
Set the Mosaic parameters for the sprites.
screen | Screen... | |
h_size | Horizontal size of the mosaic (1 for 1 pixel, 2 for 2 pixels, etc...) | |
v_size | Vertical size of the mosaic (1 for 1 pixel, 2 for 2 pixels, etc...) |