pokeruby/include/gba/types.h

#ifndef GUARD_GBA_TYPES_H
#define GUARD_GBA_TYPES_H

typedef unsigned char       u8;
typedef unsigned short     u16;
typedef unsigned int       u32;
typedef unsigned long long u64;
typedef signed char         s8;
typedef signed short       s16;
typedef signed int         s32;
typedef signed long long   s64;

typedef volatile u8   vu8;
typedef volatile u16 vu16;
typedef volatile u32 vu32;
typedef volatile u64 vu64;
typedef volatile s8   vs8;
typedef volatile s16 vs16;
typedef volatile s32 vs32;
typedef volatile s64 vs64;

typedef float  f32;
typedef double f64;

typedef u8  bool8;
typedef u16 bool16;
typedef u32 bool32;

struct PlttData
{
    u16 r:5; // red
    u16 g:5; // green
    u16 b:5; // blue
    u16 unused_15:1;
};

struct OamData
{
    u32 y:8;
    u32 affineMode:2;
    u32 objMode:2;
    u32 mosaic:1;
    u32 bpp:1;
    u32 shape:2;

    u32 x:9;
    u32 matrixNum:5; // bits 3/4 are h-flip/v-flip if not in affine mode
    u32 size:2;

    u16 tileNum:10;
    u16 priority:2;
    u16 paletteNum:4;
    u16 affineParam;
};

#define ST_OAM_OBJ_NORMAL 0
#define ST_OAM_OBJ_BLEND  1
#define ST_OAM_OBJ_WINDOW 2

#define ST_OAM_AFFINE_OFF    0
#define ST_OAM_AFFINE_NORMAL 1
#define ST_OAM_AFFINE_ERASE  2
#define ST_OAM_AFFINE_DOUBLE 3

#define ST_OAM_AFFINE_ON_MASK     1
#define ST_OAM_AFFINE_DOUBLE_MASK 2

#define ST_OAM_4BPP 0
#define ST_OAM_8BPP 1

#define ST_OAM_SQUARE      0
#define ST_OAM_H_RECTANGLE 1
#define ST_OAM_V_RECTANGLE 2

struct ObjAffineSrcData
{
    s16 xScale;
    s16 yScale;
    u16 rotation;
};

// Multi-player SIO Control Structure
struct SioMultiCnt
{
    u16 baudRate:2;    // baud rate
    u16 si:1;          // SI terminal
    u16 sd:1;          // SD terminal
    u16 id:2;          // ID
    u16 error:1;       // error flag
    u16 enable:1;      // SIO enable
    u16 unused_11_8:4;
    u16 mode:2;        // communication mode (should equal 2)
    u16 intrEnable:1;  // IRQ enable
    u16 unused_15:1;
    u16 data;          // data
};

#define ST_SIO_MULTI_MODE 2 // Multi-player communication mode

// baud rate
#define ST_SIO_9600_BPS   0 //   9600 bps
#define ST_SIO_38400_BPS  1 //  38400 bps
#define ST_SIO_57600_BPS  2 //  57600 bps
#define ST_SIO_115200_BPS 3 // 115200 bps

#endif // GUARD_GBA_TYPES_H