s_ini.c

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include "libspu2_internal.h"
 
u32 _spu_keystat[2] = {0u, 0u};
u32 _spu_trans_mode = SPU_TRANSFER_BY_DMA;
u32 _spu_rev_flag = 0u;
u32 _spu_rev_reserve_wa = 0u;
u32 _spu_rev_offsetaddr = 0u;
SpuReverbAttr _spu_rev_attr = {0u, 0, {0, 0}, 0, 0};
u32 _spu_RQvoice = 0u;
u32 _spu_RQmask = 0u;
s16 _spu_voice_centerNote[2][24] = {
    {
        0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000,
        0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000,
    },
    {
        0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000,
        0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000, 0xc000,
    }};
u32 _spu_env = 0u;
u32 _spu_isCalled = 0u;
SpuIRQCallbackProc _spu_irq_callback = NULL;
 
u16 gDMADeliverEvent;
 
void _SpuInit(int mode)
{
    _spu_init(mode);
    if ( !mode )
    {
        int v2;
 
        for ( v2 = 0; v2 < 2; v2 += 1 )
        {
            int v4;
 
            for ( v4 = 0; v4 < 24; v4 += 1 )
            {
                _spu_voice_centerNote[v2][v4] = -16384;
            }
        }
    }
    SpuStart();
    if ( !mode )
    {
        _spu_rev_flag = 0;
        _spu_rev_reserve_wa = 0;
        _spu_rev_attr.mode = 0;
        _spu_rev_attr.depth.left = 0;
        _spu_rev_attr.depth.right = 0;
        _spu_rev_attr.delay = 0;
        _spu_rev_attr.feedback = 0;
        _spu_rev_offsetaddr = SpuGetReverbEndAddr() - (8 * _spu_rev_workareasize[0] - 2);
        _spu_FsetRXX(368, _spu_rev_offsetaddr, 1);
    }
    _spu_keystat[0] = 0;
    _spu_keystat[1] = 0;
    _spu_AllocBlockNum = 0;
    _spu_AllocLastNum = 0;
    _spu_memList = 0;
    _spu_trans_mode = SPU_TRANSFER_BY_DMA;
    _spu_transMode = 0;
    _spu_RQmask = 0;
    _spu_RQvoice = 0;
    _spu_env = 0;
}
 
int _SpuDefaultCallback(void *userdata)
{
    (void)userdata;
 
    _spu_irq_callback();
    return 0;
}
 
void SpuStart(void)
{
    int v0;
 
    v0 = 0;
    _spu_isCalled = 1;
    CpuDisableIntr();
    _SpuDataCallback(_spu_FiDMA);
    _SpuAutoDMACallback(_spu_FiAutoDMA);
    gDMADeliverEvent = 0;
    CpuEnableIntr();
    EnableIntr(IOP_IRQ_DMA_SPU);
    EnableIntr(IOP_IRQ_DMA_SPU2);
    ReleaseIntrHandler(IOP_IRQ_SPU);
    RegisterIntrHandler(IOP_IRQ_SPU, 1, _SpuDefaultCallback, &v0);
}