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#ifndef GUARD_GBA_TYPES_H
#define GUARD_GBA_TYPES_H
#include <stdint.h>
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef int64_t 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 BgCnt
{
u16 priority:2;
u16 charBaseBlock:2;
u16 dummy:4;
u16 screenBaseBlock:5;
u16 areaOverflowMode:1;
u16 screenSize:2;
};
typedef volatile struct BgCnt vBgCnt;
struct PlttData
{
u16 r:5; // red
u16 g:5; // green
u16 b:5; // blue
u16 unused_15:1;
} /*__attribute__((packed))*/;
struct OamData
{
/*0x00*/ u32 y:8;
/*0x01*/ u32 affineMode:2; // 0x1, 0x2 = 0x3
u32 objMode:2; // 0x4, 0x8 = 0xC
u32 mosaic:1; // 0x10
u32 bpp:1; // 0x20
u32 shape:2; // 0x40, 0x80
/*0x02*/ u32 x:9;
u32 matrixNum:5; // bits 3/4 are h-flip/v-flip if not in affine mode
u32 size:2;
/*0x04*/ u16 tileNum:10;
u16 priority:2;
u16 paletteNum:4;
/*0x06*/ 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 BgAffineSrcData
{
s32 texX;
s32 texY;
s16 scrX;
s16 scrY;
s16 sx;
s16 sy;
u16 alpha;
};
struct BgAffineDstData
{
s16 pa;
s16 pb;
s16 pc;
s16 pd;
s32 dx;
s32 dy;
};
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
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