#ifndef _ULTRA64_SPTASK_H_
#define _ULTRA64_SPTASK_H_

/* Task Types */
#define M_GFXTASK 1
#define M_AUDTASK 2
#define M_VIDTASK 3
#define M_HVQTASK 6
#define M_HVQMTASK 7

#if (defined(F3DEX_GBI) || defined(F3DLP_GBI) || defined(F3DEX_GBI_2))
#define OS_YIELD_DATA_SIZE 0xc00
#else
#define OS_YIELD_DATA_SIZE 0x900
#endif
#define OS_YIELD_AUDIO_SIZE 0x400

/* Flags  */
#define M_TASK_FLAG0 1
#define M_TASK_FLAG1 2

/* SpStatus */
#define SPSTATUS_CLEAR_HALT 0x00000001
#define SPSTATUS_SET_HALT 0x00000002
#define SPSTATUS_CLEAR_BROKE 0x00000004
#define SPSTATUS_CLEAR_INTR 0x00000008
#define SPSTATUS_SET_INTR 0x00000010
#define SPSTATUS_CLEAR_SSTEP 0x00000020
#define SPSTATUS_SET_SSTEP 0x00000040
#define SPSTATUS_CLEAR_INTR_ON_BREAK 0x00000080
#define SPSTATUS_SET_INTR_ON_BREAK 0x00000100
#define SPSTATUS_CLEAR_SIGNAL0 0x00000200
#define SPSTATUS_SET_SIGNAL0 0x00000400
#define SPSTATUS_CLEAR_SIGNAL1 0x00000800
#define SPSTATUS_SET_SIGNAL1 0x00001000
#define SPSTATUS_CLEAR_SIGNAL2 0x00002000
#define SPSTATUS_SET_SIGNAL2 0x00004000
#define SPSTATUS_CLEAR_SIGNAL3 0x00008000
#define SPSTATUS_SET_SIGNAL3 0x00010000
#define SPSTATUS_CLEAR_SIGNAL4 0x00020000
#define SPSTATUS_SET_SIGNAL4 0x00040000
#define SPSTATUS_CLEAR_SIGNAL5 0x00080000
#define SPSTATUS_SET_SIGNAL5 0x00100000
#define SPSTATUS_CLEAR_SIGNAL6 0x00200000
#define SPSTATUS_SET_SIGNAL6 0x00800000
#define SPSTATUS_CLEAR_SIGNAL7 0x01000000
#define SPSTATUS_SET_SIGNAL7 0x02000000

#define SPSTATUS_HALT 0x0001
#define SPSTATUS_BROKE 0x0002
#define SPSTATUS_DMA_BUSY 0x0004
#define SPSTATUS_DMA_FULL 0x0008
#define SPSTATUS_IO_FULL 0x0010
#define SPSTATUS_SINGLE_STEP 0x0020
#define SPSTATUS_INTERRUPT_ON_BREAK 0x0040
#define SPSTATUS_SIGNAL0_SET 0x0080
#define SPSTATUS_SIGNAL1_SET 0x0100
#define SPSTATUS_SIGNAL2_SET 0x0200
#define SPSTATUS_SIGNAL3_SET 0x0400
#define SPSTATUS_SIGNAL4_SET 0x0800
#define SPSTATUS_SIGNAL5_SET 0x1000
#define SPSTATUS_SIGNAL6_SET 0x2000
#define SPSTATUS_SIGNAL7_SET 0x4000

/* Types */
/* Types */

typedef struct
{
    /*0x00*/ u32 type;
    /*0x04*/ u32 flags;

    /*0x08*/ u64 *ucode_boot;
    /*0x0C*/ u32 ucode_boot_size;

    /*0x10*/ u64 *ucode;
    /*0x14*/ u32 ucode_size;

    /*0x18*/ u64 *ucode_data;
    /*0x1C*/ u32 ucode_data_size;

    /*0x20*/ u64 *dram_stack;
    /*0x24*/ u32 dram_stack_size;

    /*0x28*/ u64 *output_buff;
    /*0x2C*/ u64 *output_buff_size;

    /*0x30*/ u64 *data_ptr;
    /*0x34*/ u32 data_size;

    /*0x38*/ u64 *yield_data_ptr;
    /*0x3C*/ u32 yield_data_size;
} OSTask_t; // size = 0x40

typedef union {
    OSTask_t t;
    long long int force_structure_alignment;
} OSTask;

typedef u32 OSYieldResult;

/* Functions */

#define osSpTaskStart(p) \
    osSpTaskLoad(p);     \
    osSpTaskStartGo(p);

void osSpTaskLoad(OSTask *task);
void osSpTaskStartGo(OSTask *task);
void osSpTaskYield(void);
OSYieldResult osSpTaskYielded(OSTask *task);

#endif