mosaic.h

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#ifndef OPENSNES_MOSAIC_H
#define OPENSNES_MOSAIC_H
 
#include <snes/types.h>
#include <snes/registers.h>  /* REG_MOSAIC for the inline mosaicInit body */
 
/* Removed on 2026-10-05 (1.0 plan, lot C): mosaicEnable.
 * The replacements are in docs/UPGRADING.md; `make check-upgrade` names them. */
 
/*============================================================================
 * Background Mask Constants
 *============================================================================*/
 
/* The backgrounds are named by LAYER_BG1..LAYER_BG4 (video.h), the same
 * bits everywhere a call takes a set of layers. */
#define MOSAIC_BG_ALL 0x0F    
 
/* MOSAIC_BG1..MOSAIC_BG4 were removed on 2026-10-05: use LAYER_BG1..LAYER_BG4
 * (video.h), the same values (docs/UPGRADING.md). */
 
/*============================================================================
 * Mosaic Size Constants
 *============================================================================*/
 
#define MOSAIC_MIN    0       
#define MOSAIC_MAX    15      
 
/*============================================================================
 * Function Declarations
 *============================================================================*/

void mosaicInit(void);

void mosaicSetLayers(u8 bgMask);

void mosaicDisable(void);

void mosaicSetSize(u8 size);

u8 mosaicGetSize(void);

void mosaicFadeIn(u8 speed);

void mosaicFadeOut(u8 speed);
 
#endif /* OPENSNES_MOSAIC_H */