s_gvada.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"
 
void SpuGetVoiceADSRAttr(
    int v_num, u16 *ar, u16 *dr, u16 *sr, u16 *rr, u16 *sl, int *ar_mode, int *sr_mode, int *rr_mode)
{
    const vu16 *v9;
    u16 v10;
    unsigned int v11;
 
    v9 = &_spu_RXX[512 * _spu_core + 8 * (v_num & 0x1F)];
    v10 = v9[3];
    v11 = v9[4];
    *ar = (v10 >> 8) & 0x3F;
    *ar_mode = SPU_VOICE_LINEARIncN;
    if ( (v10 & 0x8000) != 0 )
        *ar_mode = SPU_VOICE_EXPIncN;
    *dr = (u8)(v10 & 0xF0) >> 4;
    *sr = (v11 >> 6) & 0x7F;
    switch ( v11 & 0xE000 )
    {
        case 0xc000:
            *sr_mode = SPU_VOICE_EXPDec;
            break;
        case 0x8000:
            *sr_mode = SPU_VOICE_EXPIncN;
            break;
        case 0x4000:
            *sr_mode = SPU_VOICE_LINEARDecN;
            break;
        default:
            *sr_mode = SPU_VOICE_LINEARIncN;
            break;
    }
    *rr = v11 & 0x1F;
    *rr_mode = SPU_VOICE_LINEARDecN;
    if ( (v11 & 0x20) != 0 )
        *rr_mode = SPU_VOICE_EXPDec;
    *sl = v10 & 0xF;
}