s_gcmv.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 SpuGetCommonMasterVolume(s16 *mvol_left, s16 *mvol_right)
{
    const vu16 *v2;
    u16 v3;
    u16 v4;
 
    v2 = &_spu_RXX[20 * _spu_core];
    v3 = v2[944];
    v4 = v2[945];
    if ( (v3 & 0x8000) != 0 )
        v3 &= ~0xF000;
    if ( (v2[945] & 0x8000) != 0 )
        v4 &= ~0xF000;
    if ( v3 < 0x4000u )
        *mvol_left = v3;
    else
        *mvol_left = v3 + 0x8000;
    if ( v4 < 0x4000u )
        *mvol_right = v4;
    else
        *mvol_right = v4 + 0x8000;
}