Hardware.h

#ifndef __HARDWARE_H__
#define __HARDWARE_H__

#define MEM16(addr) ((uint16_t *)(addr))

#define REG8(addr) (*(volatile uint8_t *)(addr))
#define REG16(addr) (*(volatile uint16_t *)(addr))
#define REG32(addr) (*(volatile uint32_t *)(addr))
#define REGPTR(addr) (*(volatile void **)(addr))



//
// Memory regions
//

#ifdef VRAM_A
#undef VRAM_A
#undef VRAM_B
#endif

#define PALRAM_A MEM16(0x05000000)
#define PALRAM_OBJ_A MEM16(0x05000200)
#define PALRAM_B MEM16(0x05000400)
#define PALRAM_OBJ_B MEM16(0x05000600)
#define VRAM_A MEM16(0x06000000)
#define VRAM_B MEM16(0x06200000)
#define VRAM_OBJ_A MEM16(0x06400000)
#define VRAM_OBJ_B MEM16(0x06600000)
#define OAM_A MEM16(0x07000000)
#define OAM_B MEM16(0x7000400)

#define VRAM_A_OFFS_0K MEM16(0x06000000)
#define VRAM_A_OFFS_2K MEM16(0x06000800)
#define VRAM_A_OFFS_4K MEM16(0x06001000)
#define VRAM_A_OFFS_6K MEM16(0x06001800)
#define VRAM_A_OFFS_8K MEM16(0x06002000)
#define VRAM_A_OFFS_10K MEM16(0x06002800)
#define VRAM_A_OFFS_12K MEM16(0x06003000)
#define VRAM_A_OFFS_14K MEM16(0x06003800)
#define VRAM_A_OFFS_16K MEM16(0x06004000)
#define VRAM_A_OFFS_18K MEM16(0x06004800)
#define VRAM_A_OFFS_20K MEM16(0x06005000)
#define VRAM_A_OFFS_22K MEM16(0x06005800)
#define VRAM_A_OFFS_24K MEM16(0x06006000)
#define VRAM_A_OFFS_26K MEM16(0x06006800)
#define VRAM_A_OFFS_28K MEM16(0x06007000)
#define VRAM_A_OFFS_30K MEM16(0x06007800)
#define VRAM_A_OFFS_32K MEM16(0x06008000)
#define VRAM_A_OFFS_34K MEM16(0x06008800)
#define VRAM_A_OFFS_36K MEM16(0x06009000)
#define VRAM_A_OFFS_38K MEM16(0x06009800)
#define VRAM_A_OFFS_40K MEM16(0x0600a000)
#define VRAM_A_OFFS_42K MEM16(0x0600a800)
#define VRAM_A_OFFS_44K MEM16(0x0600b000)
#define VRAM_A_OFFS_46K MEM16(0x0600b800)
#define VRAM_A_OFFS_48K MEM16(0x0600c000)
#define VRAM_A_OFFS_50K MEM16(0x0600c800)
#define VRAM_A_OFFS_52K MEM16(0x0600d000)
#define VRAM_A_OFFS_55K MEM16(0x0600d800)
#define VRAM_A_OFFS_56K MEM16(0x0600e000)
#define VRAM_A_OFFS_58K MEM16(0x0600e800)
#define VRAM_A_OFFS_60K MEM16(0x0600f000)
#define VRAM_A_OFFS_62K MEM16(0x0600f800)
#define VRAM_A_OFFS_64K MEM16(0x06010000)

#define VRAM_B_OFFS_0K MEM16(0x06200000)
#define VRAM_B_OFFS_2K MEM16(0x06200800)
#define VRAM_B_OFFS_4K MEM16(0x06201000)
#define VRAM_B_OFFS_6K MEM16(0x06201800)
#define VRAM_B_OFFS_8K MEM16(0x06202000)
#define VRAM_B_OFFS_10K MEM16(0x06202800)
#define VRAM_B_OFFS_12K MEM16(0x06203000)
#define VRAM_B_OFFS_14K MEM16(0x06203800)
#define VRAM_B_OFFS_16K MEM16(0x06204000)
#define VRAM_B_OFFS_18K MEM16(0x06204800)
#define VRAM_B_OFFS_20K MEM16(0x06205000)
#define VRAM_B_OFFS_22K MEM16(0x06205800)
#define VRAM_B_OFFS_24K MEM16(0x06206000)
#define VRAM_B_OFFS_26K MEM16(0x06206800)
#define VRAM_B_OFFS_28K MEM16(0x06207000)
#define VRAM_B_OFFS_30K MEM16(0x06207800)
#define VRAM_B_OFFS_32K MEM16(0x06208000)
#define VRAM_B_OFFS_34K MEM16(0x06208800)
#define VRAM_B_OFFS_36K MEM16(0x06209000)
#define VRAM_B_OFFS_38K MEM16(0x06209800)
#define VRAM_B_OFFS_40K MEM16(0x0620a000)
#define VRAM_B_OFFS_42K MEM16(0x0620a800)
#define VRAM_B_OFFS_44K MEM16(0x0620b000)
#define VRAM_B_OFFS_46K MEM16(0x0620b800)
#define VRAM_B_OFFS_48K MEM16(0x0620c000)
#define VRAM_B_OFFS_50K MEM16(0x0620c800)
#define VRAM_B_OFFS_52K MEM16(0x0620d000)
#define VRAM_B_OFFS_55K MEM16(0x0620d800)
#define VRAM_B_OFFS_56K MEM16(0x0620e000)
#define VRAM_B_OFFS_58K MEM16(0x0620e800)
#define VRAM_B_OFFS_60K MEM16(0x0620f000)
#define VRAM_B_OFFS_62K MEM16(0x0620f800)
#define VRAM_B_OFFS_64K MEM16(0x06210000)

#define VRAM_LCDC_A MEM16(0x6800000)
#define VRAM_LCDC_B MEM16(0x6820000)
#define VRAM_LCDC_C MEM16(0x6840000)
#define VRAM_LCDC_D MEM16(0x6860000)
#define VRAM_LCDC_E MEM16(0x6880000)
#define VRAM_LCDC_F MEM16(0x6890000)
#define VRAM_LCDC_G MEM16(0x6894000)
#define VRAM_LCDC_H MEM16(0x6898000)
#define VRAM_LCDC_I MEM16(0x68a0000)


//
// Video (ARM9)
//

// Display control

#define DISPCNT_A REG32(0x04000000)
#define DISPCNT_B REG32(0x04001000)

#define DISPCNT_MODE_0 (0<<0)
#define DISPCNT_MODE_1 (1<<0)
#define DISPCNT_MODE_2 (2<<0)
#define DISPCNT_MODE_3 (3<<0)
#define DISPCNT_MODE_4 (4<<0)
#define DISPCNT_MODE_5 (5<<0)
#define DISPCNT_MODE_6 (6<<0) // Engine A only
#define DISPCNT_3D (1<<3) // Engine A only

#define DISPCNT_OBJ_MAPPING_2D (0<<4)
#define DISPCNT_OBJ_MAPPING_1D (1<<4)
#define DISPCNT_BMPOBJ_MAPPING_2D_128 (0<<5)
#define DISPCNT_BMPOBJ_MAPPING_2D_256 (1<<5)
#define DISPCNT_BMPOBJ_MAPPING_1D (2<<5)

#define DISPCNT_BLANK (1<<7)
#define DISPCNT_BG0_ON (1<<8)
#define DISPCNT_BG1_ON (1<<9)
#define DISPCNT_BG2_ON (1<<10)
#define DISPCNT_BG3_ON (1<<11)
#define DISPCNT_OBJ_ON (1<<12)
#define DISPCNT_WINDOW_0_ON (1<<13)
#define DISPCNT_WINDOW_1_ON (1<<14)
#define DISPCNT_OBJ_WINDOW_ON (1<<15)

#define DISPCNT_OFF (0<<16)
#define DISPCNT_ON (1<<16)
#define DISPCNT_VRAM (2<<16) // Engine A only
#define DISPCNT_FIFO (3<<16) // Engine A only

#define DISPCNT_VRAM_BLOCK_0 (0<<18)
#define DISPCNT_VRAM_BLOCK_1 (1<<18)
#define DISPCNT_VRAM_BLOCK_2 (2<<18)
#define DISPCNT_VRAM_BLOCK_3 (3<<18)

#define DISPCNT_OBJ_1D_SIZE_32K (0<<20)
#define DISPCNT_OBJ_1D_SIZE_64K (1<<20)
#define DISPCNT_OBJ_1D_SIZE_128K (2<<20)
#define DISPCNT_OBJ_1D_SIZE_256K (3<<20)
#define DISPCNT_BMPOBJ_1D_SIZE_128K (0<<22)
#define DISPCNT_BMPOBJ_1D_SIZE_256K (1<<22)

#define DISPCNT_OBJ_HBLANK (1<<23)

#define DISPCNT_CHAR_BASE(n) (((n)&7)<<24)
#define DISPCNT_CHAR_BASE_0K DISPCNT_CHAR_BASE(0)
#define DISPCNT_CHAR_BASE_64K DISPCNT_CHAR_BASE(1)
#define DISPCNT_CHAR_BASE_128K DISPCNT_CHAR_BASE(2)
#define DISPCNT_CHAR_BASE_192K DISPCNT_CHAR_BASE(3)
#define DISPCNT_CHAR_BASE_256K DISPCNT_CHAR_BASE(4)
#define DISPCNT_CHAR_BASE_320K DISPCNT_CHAR_BASE(5)
#define DISPCNT_CHAR_BASE_384K DISPCNT_CHAR_BASE(6)
#define DISPCNT_CHAR_BASE_448K DISPCNT_CHAR_BASE(7)

#define DISPCNT_SCREEN_BASE(n) (((n)&7)<<27)
#define DISPCNT_SCREEN_BASE_0K DISPCNT_SCREEN_BASE(0)
#define DISPCNT_SCREEN_BASE_64K DISPCNT_SCREEN_BASE(1)
#define DISPCNT_SCREEN_BASE_128K DISPCNT_SCREEN_BASE(2)
#define DISPCNT_SCREEN_BASE_192K DISPCNT_SCREEN_BASE(3)
#define DISPCNT_SCREEN_BASE_256K DISPCNT_SCREEN_BASE(4)
#define DISPCNT_SCREEN_BASE_320K DISPCNT_SCREEN_BASE(5)
#define DISPCNT_SCREEN_BASE_384K DISPCNT_SCREEN_BASE(6)
#define DISPCNT_SCREEN_BASE_448K DISPCNT_SCREEN_BASE(7)

#define DISPCNT_OBJ_EXT_PALETTE (1<<31)
#define DISPCNT_BG_EXT_PALETTE (1<<30)

// Interrupts and status

#define DISPSTAT_A REG16(0x04000004)
#define DISPSTAT_B REG16(0x04001004)
#define VCOUNT_A REG16(0x04000006)
#define VCOUNT_B REG16(0x04001006)

#define DISPSTAT_VBLANK (1<<0)
#define DISPSTAT_HBLANK (1<<1)
#define DISPSTAT_VCOUNT (1<<2)
#define DISPSTAT_VBLANK_IRQ (1<<3)
#define DISPSTAT_HBLANK_IRQ (1<<4)
#define DISPSTAT_VCOUNT_IRQ (1<<5)

// BG control

#define BG0CNT_A REG16(0x04000008)
#define BG1CNT_A REG16(0x0400000a)
#define BG2CNT_A REG16(0x0400000c)
#define BG3CNT_A REG16(0x0400000e)

#define BG0CNT_B REG16(0x04001008)
#define BG1CNT_B REG16(0x0400100a)
#define BG2CNT_B REG16(0x0400100c)
#define BG3CNT_B REG16(0x0400100e)

#define BGxCNT_PRIORITY_0 (0<<0)
#define BGxCNT_PRIORITY_1 (1<<0)
#define BGxCNT_PRIORITY_2 (2<<0)
#define BGxCNT_PRIORITY_3 (3<<0)

#define BGxCNT_CHAR_BASE(n) (((n)&0xf)<<2)
#define BGxCNT_CHAR_BASE_0K BGxCNT_CHAR_BASE(0)
#define BGxCNT_CHAR_BASE_16K BGxCNT_CHAR_BASE(1)
#define BGxCNT_CHAR_BASE_32K BGxCNT_CHAR_BASE(2)
#define BGxCNT_CHAR_BASE_48K BGxCNT_CHAR_BASE(3)
#define BGxCNT_CHAR_BASE_64K BGxCNT_CHAR_BASE(4)
#define BGxCNT_CHAR_BASE_80K BGxCNT_CHAR_BASE(5)
#define BGxCNT_CHAR_BASE_96K BGxCNT_CHAR_BASE(6)
#define BGxCNT_CHAR_BASE_112K BGxCNT_CHAR_BASE(7)
#define BGxCNT_CHAR_BASE_128K BGxCNT_CHAR_BASE(8)
#define BGxCNT_CHAR_BASE_144K BGxCNT_CHAR_BASE(9)
#define BGxCNT_CHAR_BASE_160K BGxCNT_CHAR_BASE(10)
#define BGxCNT_CHAR_BASE_176K BGxCNT_CHAR_BASE(11)
#define BGxCNT_CHAR_BASE_192K BGxCNT_CHAR_BASE(12)
#define BGxCNT_CHAR_BASE_208K BGxCNT_CHAR_BASE(13)
#define BGxCNT_CHAR_BASE_224K BGxCNT_CHAR_BASE(14)
#define BGxCNT_CHAR_BASE_240K BGxCNT_CHAR_BASE(15)

#define BGxCNT_MOSAIC (1<<6)
#define BGxCNT_TEXT_16_COLOURS (0<<7)
#define BGxCNT_TEXT_256_COLOURS (1<<7)
#define BGxCNT_EXTENDED_TILES 0x00
#define BGxCNT_EXTENDED_BITMAP_8 0x80
#define BGxCNT_EXTENDED_BITMAP_16 0x84

#define BGxCNT_SCREEN_BASE(n) (((n)&0x1f)<<8)

#define BGxCNT_TILE_BASE_0K BGxCNT_SCREEN_BASE(0)
#define BGxCNT_TILE_BASE_2K BGxCNT_SCREEN_BASE(1)
#define BGxCNT_TILE_BASE_4K BGxCNT_SCREEN_BASE(2)
#define BGxCNT_TILE_BASE_6K BGxCNT_SCREEN_BASE(3)
#define BGxCNT_TILE_BASE_8K BGxCNT_SCREEN_BASE(4)
#define BGxCNT_TILE_BASE_10K BGxCNT_SCREEN_BASE(5)
#define BGxCNT_TILE_BASE_12K BGxCNT_SCREEN_BASE(6)
#define BGxCNT_TILE_BASE_14K BGxCNT_SCREEN_BASE(7)
#define BGxCNT_TILE_BASE_16K BGxCNT_SCREEN_BASE(8)
#define BGxCNT_TILE_BASE_18K BGxCNT_SCREEN_BASE(9)
#define BGxCNT_TILE_BASE_20K BGxCNT_SCREEN_BASE(10)
#define BGxCNT_TILE_BASE_22K BGxCNT_SCREEN_BASE(11)
#define BGxCNT_TILE_BASE_24K BGxCNT_SCREEN_BASE(12)
#define BGxCNT_TILE_BASE_26K BGxCNT_SCREEN_BASE(13)
#define BGxCNT_TILE_BASE_28K BGxCNT_SCREEN_BASE(14)
#define BGxCNT_TILE_BASE_30K BGxCNT_SCREEN_BASE(15)
#define BGxCNT_TILE_BASE_32K BGxCNT_SCREEN_BASE(16)
#define BGxCNT_TILE_BASE_34K BGxCNT_SCREEN_BASE(17)
#define BGxCNT_TILE_BASE_36K BGxCNT_SCREEN_BASE(18)
#define BGxCNT_TILE_BASE_38K BGxCNT_SCREEN_BASE(19)
#define BGxCNT_TILE_BASE_40K BGxCNT_SCREEN_BASE(20)
#define BGxCNT_TILE_BASE_42K BGxCNT_SCREEN_BASE(21)
#define BGxCNT_TILE_BASE_44K BGxCNT_SCREEN_BASE(22)
#define BGxCNT_TILE_BASE_46K BGxCNT_SCREEN_BASE(23)
#define BGxCNT_TILE_BASE_48K BGxCNT_SCREEN_BASE(24)
#define BGxCNT_TILE_BASE_50K BGxCNT_SCREEN_BASE(25)
#define BGxCNT_TILE_BASE_52K BGxCNT_SCREEN_BASE(26)
#define BGxCNT_TILE_BASE_54K BGxCNT_SCREEN_BASE(27)
#define BGxCNT_TILE_BASE_56K BGxCNT_SCREEN_BASE(28)
#define BGxCNT_TILE_BASE_58K BGxCNT_SCREEN_BASE(29)
#define BGxCNT_TILE_BASE_60K BGxCNT_SCREEN_BASE(30)
#define BGxCNT_TILE_BASE_62K BGxCNT_SCREEN_BASE(31)

#define BGxCNT_BITMAP_BASE_0K BGxCNT_SCREEN_BASE(0)
#define BGxCNT_BITMAP_BASE_16K BGxCNT_SCREEN_BASE(1)
#define BGxCNT_BITMAP_BASE_32K BGxCNT_SCREEN_BASE(2)
#define BGxCNT_BITMAP_BASE_48K BGxCNT_SCREEN_BASE(3)
#define BGxCNT_BITMAP_BASE_64K BGxCNT_SCREEN_BASE(4)
#define BGxCNT_BITMAP_BASE_80K BGxCNT_SCREEN_BASE(5)
#define BGxCNT_BITMAP_BASE_96K BGxCNT_SCREEN_BASE(6)
#define BGxCNT_BITMAP_BASE_112K BGxCNT_SCREEN_BASE(7)
#define BGxCNT_BITMAP_BASE_128K BGxCNT_SCREEN_BASE(8)
#define BGxCNT_BITMAP_BASE_144K BGxCNT_SCREEN_BASE(9)
#define BGxCNT_BITMAP_BASE_160K BGxCNT_SCREEN_BASE(10)
#define BGxCNT_BITMAP_BASE_176K BGxCNT_SCREEN_BASE(11)
#define BGxCNT_BITMAP_BASE_192K BGxCNT_SCREEN_BASE(12)
#define BGxCNT_BITMAP_BASE_208K BGxCNT_SCREEN_BASE(13)
#define BGxCNT_BITMAP_BASE_224K BGxCNT_SCREEN_BASE(14)
#define BGxCNT_BITMAP_BASE_240K BGxCNT_SCREEN_BASE(15)
#define BGxCNT_BITMAP_BASE_256K BGxCNT_SCREEN_BASE(16)
#define BGxCNT_BITMAP_BASE_272K BGxCNT_SCREEN_BASE(17)
#define BGxCNT_BITMAP_BASE_288K BGxCNT_SCREEN_BASE(18)
#define BGxCNT_BITMAP_BASE_304K BGxCNT_SCREEN_BASE(19)
#define BGxCNT_BITMAP_BASE_320K BGxCNT_SCREEN_BASE(20)
#define BGxCNT_BITMAP_BASE_336K BGxCNT_SCREEN_BASE(21)
#define BGxCNT_BITMAP_BASE_352K BGxCNT_SCREEN_BASE(22)
#define BGxCNT_BITMAP_BASE_368K BGxCNT_SCREEN_BASE(23)
#define BGxCNT_BITMAP_BASE_384K BGxCNT_SCREEN_BASE(24)
#define BGxCNT_BITMAP_BASE_400K BGxCNT_SCREEN_BASE(25)
#define BGxCNT_BITMAP_BASE_416K BGxCNT_SCREEN_BASE(26)
#define BGxCNT_BITMAP_BASE_432K BGxCNT_SCREEN_BASE(27)
#define BGxCNT_BITMAP_BASE_448K BGxCNT_SCREEN_BASE(28)
#define BGxCNT_BITMAP_BASE_464K BGxCNT_SCREEN_BASE(29)
#define BGxCNT_BITMAP_BASE_480K BGxCNT_SCREEN_BASE(30)
#define BGxCNT_BITMAP_BASE_496K BGxCNT_SCREEN_BASE(31)

#define BGxCNT_OVERFLOW_TRANSPARENT (0<<13)
#define BGxCNT_OVERFLOW_WRAP (1<<13)
#define BGxCNT_ALTERNATE_PALETTE_SLOT (1<<13) // BG0 and BG1 only

#define BGxCNT_TEXT_SIZE_256x256 (0<<14)
#define BGxCNT_TEXT_SIZE_512x256 (1<<14)
#define BGxCNT_TEXT_SIZE_256x512 (2<<14)
#define BGxCNT_TEXT_SIZE_512x512 (3<<14)

#define BGxCNT_AFFINE_SIZE_128x128 (0<<14)
#define BGxCNT_AFFINE_SIZE_256x256 (1<<14)
#define BGxCNT_AFFINE_SIZE_512x512 (2<<14)
#define BGxCNT_AFFINE_SIZE_1024x1024 (3<<14)

#define BGxCNT_BITMAP_SIZE_128x128 (0<<14)
#define BGxCNT_BITMAP_SIZE_256x256 (1<<14)
#define BGxCNT_BITMAP_SIZE_512x256 (2<<14)
#define BGxCNT_BITMAP_SIZE_512x512 (3<<14)

#define BGxCNT_LARGE_SIZE_512x1024 (0<<14)
#define BGxCNT_LARGE_SIZE_1024x512 (1<<14)

// BG scrolling

#define BG0HOFS_A REG16(0x04000010)
#define BG0VOFS_A REG16(0x04000012)
#define BG1HOFS_A REG16(0x04000014)
#define BG1VOFS_A REG16(0x04000016)
#define BG2HOFS_A REG16(0x04000018)
#define BG2VOFS_A REG16(0x0400001a)
#define BG3HOFS_A REG16(0x0400001c)
#define BG3VOFS_A REG16(0x0400001e)

#define BG0HOFS_B REG16(0x04001010)
#define BG0VOFS_B REG16(0x04001012)
#define BG1HOFS_B REG16(0x04001014)
#define BG1VOFS_B REG16(0x04001016)
#define BG2HOFS_B REG16(0x04001018)
#define BG2VOFS_B REG16(0x0400101a)
#define BG3HOFS_B REG16(0x0400101c)
#define BG3VOFS_B REG16(0x0400101e)

// BG rotation and scaling

#define BG2PA_A REG16(0x04000020)
#define BG2PB_A REG16(0x04000022)
#define BG2PC_A REG16(0x04000024)
#define BG2PD_A REG16(0x04000026)
#define BG2X_L_A REG16(0x04000028)
#define BG2X_H_A REG16(0x0400002a)
#define BG2Y_L_A REG16(0x0400002c)
#define BG2Y_H_A REG16(0x0400002e)
#define BG2X_A REG32(0x04000028)
#define BG2Y_A REG32(0x0400002C)

#define BG2PA_B REG16(0x04001020)
#define BG2PB_B REG16(0x04001022)
#define BG2PC_B REG16(0x04001024)
#define BG2PD_B REG16(0x04001026)
#define BG2X_L_B REG16(0x04001028)
#define BG2X_H_B REG16(0x0400102a)
#define BG2Y_L_B REG16(0x0400102c)
#define BG2Y_H_B REG16(0x0400102e)
#define BG2X_B REG32(0x04001028)
#define BG2Y_B REG32(0x0400102C)

#define BG3PA_A REG16(0x04000030)
#define BG3PB_A REG16(0x04000032)
#define BG3PC_A REG16(0x04000034)
#define BG3PD_A REG16(0x04000036)
#define BG3X_L_A REG16(0x04000038)
#define BG3X_H_A REG16(0x0400003a)
#define BG3Y_L_A REG16(0x0400003c)
#define BG3Y_H_A REG16(0x0400003e)
#define BG3X_A REG32(0x04000038)
#define BG3Y_A REG32(0x0400003C)

#define BG3PA_B REG16(0x04001030)
#define BG3PB_B REG16(0x04001032)
#define BG3PC_B REG16(0x04001034)
#define BG3PD_B REG16(0x04001036)
#define BG3X_L_B REG16(0x04001038)
#define BG3X_H_B REG16(0x0400103a)
#define BG3Y_L_B REG16(0x0400103c)
#define BG3Y_H_B REG16(0x0400103e)
#define BG3X_B REG32(0x04001038)
#define BG3Y_B REG32(0x0400103C)






//
// Timers
// 

#define TM0CNT_L REG16(0x4000100)
#define TM0CNT_H REG16(0x4000102)
#define TM1CNT_L REG16(0x4000104)
#define TM1CNT_H REG16(0x4000106)
#define TM2CNT_L REG16(0x4000108)
#define TM2CNT_H REG16(0x400010a)
#define TM3CNT_L REG16(0x400010c)
#define TM3CNT_H REG16(0x400010e)

#define TMxCNT_H_DIV_1 0
#define TMxCNT_H_DIV_64 1
#define TMxCNT_H_DIV_256 2
#define TMxCNT_H_DIV_1024 3
#define TMxCNT_H_COUNT_UP (1<<2)
#define TMxCNT_H_IRQ_ENABLE (1<<6)
#define TMxCNT_H_START (1<<7)



//
// Memory control
//

#define VRAMCNT_A REG8(0x4000240)
#define VRAMCNT_B REG8(0x4000241)
#define VRAMCNT_C REG8(0x4000242)
#define VRAMCNT_D REG8(0x4000243)
#define VRAMCNT_E REG8(0x4000244)
#define VRAMCNT_F REG8(0x4000245)
#define VRAMCNT_G REG8(0x4000246)
#define VRAMCNT_H REG8(0x4000248)
#define VRAMCNT_I REG8(0x4000249)

#define VRAMCNT_OFFSET_0 (0<<3)
#define VRAMCNT_OFFSET_1 (1<<3)
#define VRAMCNT_OFFSET_2 (2<<3)
#define VRAMCNT_OFFSET_3 (3<<3)

#define VRAMCNT_DISABLE (0<<7)
#define VRAMCNT_ENABLE (1<<7)

#define VRAMCNT_A_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_A_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_BG_VRAM_A_OFFS_128K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_A_BG_VRAM_A_OFFS_256K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_A_BG_VRAM_A_OFFS_384K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_A_OBJ_VRAM_A (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_OBJ_VRAM_A_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_OBJ_VRAM_A_OFFS_128K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_A_TEXTURE (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_TEXTURE_OFFS_0K (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_A_TEXTURE_OFFS_128K (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_A_TEXTURE_OFFS_256K (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_A_TEXTURE_OFFS_384K (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)

#define VRAMCNT_B_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_B_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_B_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_B_BG_VRAM_A_OFFS_128K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_B_BG_VRAM_A_OFFS_256K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_B_BG_VRAM_A_OFFS_384K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_B_OBJ_VRAM_A (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_B_OBJ_VRAM_A_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_B_OBJ_VRAM_A_OFFS_128K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_B_TEXTURE (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_B_TEXTURE_OFFS_0K (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_B_TEXTURE_OFFS_128K (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_B_TEXTURE_OFFS_256K (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_B_TEXTURE_OFFS_384K (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)

#define VRAMCNT_C_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_A_OFFS_128K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_A_OFFS_256K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_A_OFFS_384K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_C_ARM7 (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_C_ARM7_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_C_ARM7_OFFS_128K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_C_TEXTURE (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_C_TEXTURE_OFFS_0K (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_C_TEXTURE_OFFS_128K (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_C_TEXTURE_OFFS_256K (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_C_TEXTURE_OFFS_384K (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_C_BG_VRAM_B (4|VRAMCNT_ENABLE)

#define VRAMCNT_D_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_D_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_D_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_D_BG_VRAM_A_OFFS_128K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_D_BG_VRAM_A_OFFS_256K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_D_BG_VRAM_A_OFFS_384K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_D_ARM7 (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_D_ARM7_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_D_ARM7_OFFS_128K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_D_TEXTURE (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_D_TEXTURE_OFFS_0K (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_D_TEXTURE_OFFS_128K (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_D_TEXTURE_OFFS_256K (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_D_TEXTURE_OFFS_384K (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_D_OBJ_VRAM_B (4|VRAMCNT_ENABLE)

#define VRAMCNT_E_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_E_BG_VRAM_A (1|VRAMCNT_ENABLE)
#define VRAMCNT_E_OBJ_VRAM_A (2|VRAMCNT_ENABLE)
#define VRAMCNT_E_TEXTURE_PALETTE (3|VRAMCNT_ENABLE)
#define VRAMCNT_E_BG_EXT_PALETTE_A (4|VRAMCNT_ENABLE)

#define VRAMCNT_F_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_VRAM_A_OFFS_16K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_VRAM_A_OFFS_64K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_VRAM_A_OFFS_80K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_VRAM_A (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_VRAM_A_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_VRAM_A_OFFS_16K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_VRAM_A_OFFS_64K (2|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_VRAM_A_OFFS_80K (2|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_F_TEXTURE_PALETTE (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_TEXTURE_PALETTE_SLOT_0 (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_TEXTURE_PALETTE_SLOT_1 (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_F_TEXTURE_PALETTE_SLOT_4 (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_F_TEXTURE_PALETTE_SLOT_5 (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_EXT_PALETTE_A (4|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_EXT_PALETTE_A_SLOTS_0_1 (4|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_F_BG_EXT_PALETTE_A_SLOTS_2_3 (4|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_F_OBJ_EXT_PALETTE_A (5|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)

#define VRAMCNT_G_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_VRAM_A (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_VRAM_A_OFFS_0K (1|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_VRAM_A_OFFS_16K (1|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_VRAM_A_OFFS_64K (1|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_VRAM_A_OFFS_80K (1|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_VRAM_A (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_VRAM_A_OFFS_0K (2|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_VRAM_A_OFFS_16K (2|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_VRAM_A_OFFS_64K (2|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_VRAM_A_OFFS_80K (2|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_G_TEXTURE_PALETTE (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_TEXTURE_PALETTE_SLOT_0 (3|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_TEXTURE_PALETTE_SLOT_1 (3|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_G_TEXTURE_PALETTE_SLOT_4 (3|VRAMCNT_OFFSET_2|VRAMCNT_ENABLE)
#define VRAMCNT_G_TEXTURE_PALETTE_SLOT_5 (3|VRAMCNT_OFFSET_3|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_EXT_PALETTE_A (4|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_EXT_PALETTE_A_SLOTS_0_1 (4|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)
#define VRAMCNT_G_BG_EXT_PALETTE_A_SLOTS_2_3 (4|VRAMCNT_OFFSET_1|VRAMCNT_ENABLE)
#define VRAMCNT_G_OBJ_EXT_PALETTE_A (5|VRAMCNT_OFFSET_0|VRAMCNT_ENABLE)

#define VRAMCNT_H_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_H_BG_VRAM_B (1|VRAMCNT_ENABLE)
#define VRAMCNT_H_BG_EXT_PALETTE_B (2|VRAMCNT_ENABLE)

#define VRAMCNT_I_LCDC (0|VRAMCNT_ENABLE)
#define VRAMCNT_I_BG_VRAM_B_OFFS_32K (1|VRAMCNT_ENABLE)
#define VRAMCNT_I_OBJ_VRAM_B (2|VRAMCNT_ENABLE)
#define VRAMCNT_I_OBJ_EXT_PALETTE_B (3|VRAMCNT_ENABLE)

//
// Sound (ARM7)
//

#define SOUNDxCNT(n) REG32(0x04000400+((n)<<4))
#define SOUNDxSAD(n) REGPTR(0x04000404+((n)<<4))
#define SOUNDxTMR(n) REG16(0x04000408+((n)<<4))
#define SOUNDxPNT(n) REG16(0x0400040a+((n)<<4))
#define SOUNDxLEN(n) REG32(0x0400040c+((n)<<4))

#define SOUND0CNT SOUNDxCNT(0)
#define SOUND0SAD SOUNDxSAD(0)
#define SOUND0TMR SOUNDxTMR(0)
#define SOUND0PNT SOUNDxPNT(0)
#define SOUND0LEN SOUNDxLEN(0)

#define SOUND1CNT SOUNDxCNT(1)
#define SOUND1SAD SOUNDxSAD(1)
#define SOUND1TMR SOUNDxTMR(1)
#define SOUND1PNT SOUNDxPNT(1)
#define SOUND1LEN SOUNDxLEN(1)

#define SOUND14CNT SOUNDxCNT(14)
#define SOUND14SAD SOUNDxSAD(14)
#define SOUND14TMR SOUNDxTMR(14)
#define SOUND14PNT SOUNDxPNT(14)
#define SOUND14LEN SOUNDxLEN(14)

#define SOUND15CNT SOUNDxCNT(15)
#define SOUND15SAD SOUNDxSAD(15)
#define SOUND15TMR SOUNDxTMR(15)
#define SOUND15PNT SOUNDxPNT(15)
#define SOUND15LEN SOUNDxLEN(15)

#define SOUNDxCNT_VOLUME(n) (n)
#define SOUNDxCNT_VOLUME_MAX 127
#define SOUNDxCNT_VOLUME_DIV_1 (0<<8)
#define SOUNDxCNT_VOLUME_DIV_2 (1<<8)
#define SOUNDxCNT_VOLUME_DIV_4 (2<<8)
#define SOUNDxCNT_VOLUME_DIV_16 (3<<8)
#define SOUNDxCNT_HOLD (1<<15)
#define SOUNDxCNT_PAN(n) ((n)<<16)
#define SOUNDxCNT_PAN_LEFT (0<<16)
#define SOUNDxCNT_PAN_MID (64<<16)
#define SOUNDxCNT_PAN_RIGHT (127<<16)
#define SOUNDxCNT_DUTY(n) ((n)<<23)
#define SOUNDxCNT_MANUAL (0<<27)
#define SOUNDxCNT_LOOP (1<<27)
#define SOUNDxCNT_ONESHOT (2<<27)
#define SOUNDxCNT_PCM8 (0<<29)
#define SOUNDxCNT_PCM16 (1<<29)
#define SOUNDxCNT_ADPCM (2<<29)
#define SOUNDxCNT_PSG (3<<29)
#define SOUNDxCNT_START (1<<31)

//#define SOUNDxTMR_FREQ(n) (-0x1000000/(n))
#define SOUNDxTMR_FREQ(n) (-3513982/(2*(n)))

#define SOUNDCNT REG32(0x04000500)
#define SOUNDBIAS REG32(0x04000500)

#define SOUNDCNT_VOLUME(n) (n)
#define SOUNDCNT_VOLUME_MAX 127
#define SOUNDCNT_LEFT_FROM_LEFT (0<<8)
#define SOUNDCNT_LEFT_FROM_CH1 (1<<8)
#define SOUNDCNT_LEFT_FROM_CH3 (2<<8)
#define SOUNDCNT_LEFT_FROM_CH1_CH3 (3<<8)
#define SOUNDCNT_RIGHT_FROM_RIGHT (0<<10)
#define SOUNDCNT_RIGHT_FROM_CH1 (1<<10)
#define SOUNDCNT_RIGHT_FROM_CH3 (2<<10)
#define SOUNDCNT_RIGHT_FROM_CH1_CH3 (3<<10)
#define SOUNDCNT_NO_CH1_TO_MIXER (1<<12)
#define SOUNDCNT_NO_CH3_TO_MIXER (1<<13)
#define SOUNDCNT_ENABLE (1<<15)

#define SOUNDBIAS_NORMAL 0x200



//
// OAM attributes
//

#define OBJ_0_Y(y) ((y)&0xff)
#define OBJ_0_ROTSCALE (1<<8)
#define OBJ_0_DISABLE (2<<8)
#define OBJ_0_ROTSCALE_DOUBLE (3<<8)
#define OBJ_0_TRANSPARENT (1<<10)
#define OBJ_0_WINDOW (2<<10)
#define OBJ_0_BITMAP (3<<10)
#define OBJ_0_MOSAIC (1<<12)
#define OBJ_0_16_COLOURS (0<<13)
#define OBJ_0_256_COLOURS (1<<13)
#define OBJ_0_SQUARE (0<<14)
#define OBJ_0_HORIZONTAL (1<<14)
#define OBJ_0_VERTICAL (2<<14)

#define OBJ_0_SIZE_8x8 OBJ_0_SQUARE
#define OBJ_0_SIZE_16x16 OBJ_0_SQUARE
#define OBJ_0_SIZE_32x32 OBJ_0_SQUARE
#define OBJ_0_SIZE_64x64 OBJ_0_SQUARE
#define OBJ_0_SIZE_16x8 OBJ_0_HORIZONTAL
#define OBJ_0_SIZE_32x8 OBJ_0_HORIZONTAL
#define OBJ_0_SIZE_32x16 OBJ_0_HORIZONTAL
#define OBJ_0_SIZE_64x32 OBJ_0_HORIZONTAL
#define OBJ_0_SIZE_8x16 OBJ_0_VERTICAL
#define OBJ_0_SIZE_8x32 OBJ_0_VERTICAL
#define OBJ_0_SIZE_16x32 OBJ_0_VERTICAL
#define OBJ_0_SIZE_32x64 OBJ_0_VERTICAL

#define OBJ_1_X(x) ((x)&0x1ff)
#define OBJ_1_ROTSCALE_PARAMS(n) (((n)&0x1f)<<9)
#define OBJ_1_HORIZ_FLIP (1<<12)
#define OBJ_1_VERT_FLIP (1<<13)
#define OBJ_1_SIZE_0 (0<<14)
#define OBJ_1_SIZE_1 (1<<14)
#define OBJ_1_SIZE_2 (2<<14)
#define OBJ_1_SIZE_3 (3<<14)

#define OBJ_1_SIZE_8x8 OBJ_1_SIZE_0
#define OBJ_1_SIZE_16x16 OBJ_1_SIZE_1
#define OBJ_1_SIZE_32x32 OBJ_1_SIZE_2
#define OBJ_1_SIZE_64x64 OBJ_1_SIZE_3
#define OBJ_1_SIZE_16x8 OBJ_1_SIZE_0
#define OBJ_1_SIZE_32x8 OBJ_1_SIZE_1
#define OBJ_1_SIZE_32x16 OBJ_1_SIZE_2
#define OBJ_1_SIZE_64x32 OBJ_1_SIZE_3
#define OBJ_1_SIZE_8x16 OBJ_1_SIZE_0
#define OBJ_1_SIZE_8x32 OBJ_1_SIZE_1
#define OBJ_1_SIZE_16x32 OBJ_1_SIZE_2
#define OBJ_1_SIZE_32x64 OBJ_1_SIZE_3

#define OBJ_2_CHAR(x) ((x)&0x3ff)
#define OBJ_2_PRIORITY_0 (0<<10)
#define OBJ_2_PRIORITY_1 (1<<10)
#define OBJ_2_PRIORITY_2 (2<<10)
#define OBJ_2_PRIORITY_3 (3<<10)
#define OBJ_2_PALETTE(n) (((n)&0x0f)<<12)
#define OBJ_2_ALPHA(n) OBJ_2_PALETTE(n)


#endif