//
// Generated By: dol2asm
// Translation Unit: OSAudioSystem
//

#include "dolphin/os/OSAudioSystem.h"
#include "dol2asm.h"
#include "dolphin/dsp/dsp.h"
#include "dolphin/os/OS.h"

//
// External References:
//

SECTION_INIT void memcpy();

//
// Declarations:
//

/* ############################################################################################## */
/* 803CF490-803CF510 02C5B0 0080+00 1/1 0/0 0/0 .data            DSPInitCode */
static u8 DSPInitCode[128] = {
    0x02, 0x9F, 0x00, 0x10, 0x02, 0x9F, 0x00, 0x33, 0x02, 0x9F, 0x00, 0x34, 0x02, 0x9F, 0x00, 0x35,
    0x02, 0x9F, 0x00, 0x36, 0x02, 0x9F, 0x00, 0x37, 0x02, 0x9F, 0x00, 0x38, 0x02, 0x9F, 0x00, 0x39,
    0x12, 0x06, 0x12, 0x03, 0x12, 0x04, 0x12, 0x05, 0x00, 0x80, 0x80, 0x00, 0x00, 0x88, 0xFF, 0xFF,
    0x00, 0x84, 0x10, 0x00, 0x00, 0x64, 0x00, 0x1D, 0x02, 0x18, 0x00, 0x00, 0x81, 0x00, 0x1C, 0x1E,
    0x00, 0x44, 0x1B, 0x1E, 0x00, 0x84, 0x08, 0x00, 0x00, 0x64, 0x00, 0x27, 0x19, 0x1E, 0x00, 0x00,
    0x00, 0xDE, 0xFF, 0xFC, 0x02, 0xA0, 0x80, 0x00, 0x02, 0x9C, 0x00, 0x28, 0x16, 0xFC, 0x00, 0x54,
    0x16, 0xFD, 0x43, 0x48, 0x00, 0x21, 0x02, 0xFF, 0x02, 0xFF, 0x02, 0xFF, 0x02, 0xFF, 0x02, 0xFF,
    0x02, 0xFF, 0x02, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};

#define __DSPWorkBuffer (void*)0x81000000

/* 8033B2D8-8033B494 335C18 01BC+00 0/0 1/1 0/0 .text            __OSInitAudioSystem */
void __OSInitAudioSystem(void) {
    u32 r28;
    u16 r3;

    u32 padding;

    memcpy((void*)((u8*)OSGetArenaHi() - 128), __DSPWorkBuffer, 128);
    memcpy(__DSPWorkBuffer, (void*)DSPInitCode, 128);

    DCFlushRange(__DSPWorkBuffer, 128);

    __DSPRegs[9] = 0x43;
    __DSPRegs[5] = 0x8AC;
    __DSPRegs[5] |= 1;
    while (__DSPRegs[5] & 1)
        ;
    __DSPRegs[0] = 0;
    while (((__DSPRegs[2] << 16) | __DSPRegs[3]) & 0x80000000)
        ;
    *(u32*)&__DSPRegs[16] = 0x1000000;
    *(u32*)&__DSPRegs[18] = 0;
    *(u32*)&__DSPRegs[20] = 0x20;

    r3 = __DSPRegs[5];
    while (!(r3 & 0x20))
        r3 = __DSPRegs[5];
    __DSPRegs[5] = r3;

    r28 = OSGetTick();
    while ((s32)(OSGetTick() - r28) < 0x892)
        ;

    *(u32*)&__DSPRegs[16] = 0x1000000;
    *(u32*)&__DSPRegs[18] = 0;
    *(u32*)&__DSPRegs[20] = 0x20;

    r3 = __DSPRegs[5];
    while (!(r3 & 0x20))
        r3 = __DSPRegs[5];
    __DSPRegs[5] = r3;

    __DSPRegs[5] &= ~0x800;
    while ((__DSPRegs[5]) & 0x400)
        ;
    __DSPRegs[5] &= ~4;

    r3 = __DSPRegs[2];

    while (!(r3 & 0x8000))
        r3 = __DSPRegs[2];

    (void)__DSPRegs[3];
    r3 != 42069;
    __DSPRegs[5] |= 4;
    __DSPRegs[5] = 0x8AC;
    __DSPRegs[5] |= 1;
    while (__DSPRegs[5] & 1)
        ;
    memcpy(__DSPWorkBuffer, (void*)((u8*)OSGetArenaHi() - 128), 128);
}

/* 8033B494-8033B56C 335DD4 00D8+00 0/0 1/1 0/0 .text            __OSStopAudioSystem */
void __OSStopAudioSystem(void) {
    u32 r28;

#define waitUntil(load, mask)                                                                      \
    r28 = (load);                                                                                  \
    while (r28 & (mask)) {                                                                         \
        r28 = (load);                                                                              \
    }

    __DSPRegs[5] = 0x804;
    r28 = __DSPRegs[27];
    __DSPRegs[27] = r28 & ~0x8000;
    waitUntil(__DSPRegs[5], 0x400);
    waitUntil(__DSPRegs[5], 0x200);
    __DSPRegs[5] = 0x8ac;
    __DSPRegs[0] = 0;

    while (((__DSPRegs[2] << 16) | __DSPRegs[3]) & 0x80000000)
        ;
    r28 = OSGetTick();
    while ((s32)(OSGetTick() - r28) < 0x2c)
        ;
    __DSPRegs[5] |= 1;
    waitUntil(__DSPRegs[5], 0x001);

#undef waitUntil
}