s_f.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"
 
unsigned int SpuFlush(unsigned int ev)
{
    // Unofficial: Fixed _spu_RQ and _spu_RQmask access offsets
    unsigned int retval;
    unsigned int ev_tmp;
 
    retval = 0;
    ev_tmp = ev;
    if ( ev_tmp == 0 )
    {
        ev_tmp = 0xFFFFFFFF;
    }
    if ( ((ev_tmp & SPU_EVENT_PITCHLFO) != 0) && (_spu_RQmask & 2) != 0 )
    {
        vu16 *regstmp1;
 
        _spu_RQmask &= ~2u;
        regstmp1 = &_spu_RXX[512 * _spu_core];
        regstmp1[192] = _spu_RQ[4];
        retval |= SPU_EVENT_PITCHLFO;
        regstmp1[193] = _spu_RQ[5];
    }
    if ( ((ev_tmp & SPU_EVENT_NOISE) != 0) && (_spu_RQmask & 4) != 0 )
    {
        vu16 *regstmp2;
 
        _spu_RQmask &= ~4u;
        regstmp2 = &_spu_RXX[512 * _spu_core];
        regstmp2[194] = _spu_RQ[6];
        retval |= SPU_EVENT_NOISE;
        regstmp2[195] = _spu_RQ[7];
    }
    if ( ((ev_tmp & SPU_EVENT_REVERB) != 0) && (_spu_RQmask & 8) != 0 )
    {
        vu16 *regstmp3;
        _spu_RQmask &= ~8u;
        regstmp3 = &_spu_RXX[512 * _spu_core];
        regstmp3[198] = _spu_RQ[10];
        regstmp3[202] = _spu_RQ[14];
        regstmp3[199] = _spu_RQ[11];
        retval |= SPU_EVENT_REVERB;
        regstmp3[203] = _spu_RQ[15];
    }
    if ( ((ev_tmp & SPU_EVENT_KEY) != 0) && (_spu_RQmask & 1) != 0 )
    {
        vu16 *regstmp4;
        int i1;
 
        _spu_RQmask &= ~1u;
        regstmp4 = &_spu_RXX[512 * _spu_core];
        regstmp4[208] = _spu_RQ[0];
        regstmp4[209] = _spu_RQ[1];
        regstmp4[210] = _spu_RQ[2];
        regstmp4[211] = _spu_RQ[3];
        for ( i1 = 0; i1 < 4; i1 += 1 )
        {
            _spu_RQ[i1] = 0;
        }
        retval |= SPU_EVENT_KEY;
        if ( (_spu_env & 1) != 0 )
            _spu_keystat[_spu_core] = _spu_RQvoice;
    }
    return retval;
}