Background Control Flags
[Memory map bit(fields)]

Bits for REG_BGxCNT. More...

Defines
#define	BG_MOSAIC   0x0040
	Enable Mosaic.
#define	BG_4BPP   0
	4bpp (16 color) bg (no effect on affine bg)
#define	BG_8BPP   0x0080
	8bpp (256 color) bg (no effect on affine bg)
#define	BG_WRAP   0x2000
	Wrap around edges of affine bgs.
#define	BG_SIZE0   0
#define	BG_SIZE1   0x4000
#define	BG_SIZE2   0x8000
#define	BG_SIZE3   0xC000
#define	BG_REG_32x32   0
	reg bg, 32x32 (256x256 px)
#define	BG_REG_64x32   0x4000
	reg bg, 64x32 (512x256 px)
#define	BG_REG_32x64   0x8000
	reg bg, 32x64 (256x512 px)
#define	BG_REG_64x64   0xC000
	reg bg, 64x64 (512x512 px)
#define	BG_AFF_16x16   0
	affine bg, 16x16 (128x128 px)
#define	BG_AFF_32x32   0x4000
	affine bg, 32x32 (256x256 px)
#define	BG_AFF_64x64   0x8000
	affine bg, 64x64 (512x512 px)
#define	BG_AFF_128x128   0xC000
	affine bg, 128x128 (1024x1024 px)
#define	BG_PRIO_MASK   0x0003
#define	BG_PRIO_SHIFT   0
#define	BG_PRIO(n)   ((n)<<BG_PRIO_SHIFT)
#define	BG_CBB_MASK   0x000C
#define	BG_CBB_SHIFT   2
#define	BG_CBB(n)   ((n)<<BG_CBB_SHIFT)
#define	BG_SBB_MASK   0x1F00
#define	BG_SBB_SHIFT   8
#define	BG_SBB(n)   ((n)<<BG_SBB_SHIFT)
#define	BG_SIZE_MASK   0xC000
#define	BG_SIZE_SHIFT   14
#define	BG_SIZE(n)   ((n)<<BG_SIZE_SHIFT)
#define	BG_BUILD(cbb, sbb, size, bpp, prio, mos, wrap)

---

Detailed Description

Bits for REG_BGxCNT.

---

Define Documentation

#define BG_BUILD	(	cbb,
		sbb,
		size,
		bpp,
		prio,
		mos,
		wrap		)

Value:

(                                                           \
       ((size)<<14)  | (((wrap)&1)<<13) | (((sbb)&31)<<8    \
    | (((bpp)&8)<<4) | (((mos)&1)<<6)   | (((cbb)&3)<<2)    \
    | ((prio)&3)                                            \
)

---