vm_nowof.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 "libsnd2_internal.h"
 
void _SsVmKeyOffNow(void)
{
    int bits_upper;
    int bits_lower;
    int m_voice_idx;
    u16 okof1_tmp;
    u16 okof2_tmp;
    libsnd2_spu_voice_t *voice_struct;
 
    m_voice_idx = (u16)_svm_cur.m_voice_idx;
    if ( (u16)m_voice_idx >= 0x10u )
    {
        bits_upper = 0;
        bits_lower = 1 << ((m_voice_idx & 0xFF) - 16);
    }
    else
    {
        bits_upper = 1 << (m_voice_idx & 0xFF);
        bits_lower = 0;
    }
    voice_struct = &_svm_voice[m_voice_idx];
    voice_struct->m_unk1d = 0;
    okof1_tmp = _svm_okof1;
    okof2_tmp = _svm_okof2;
    voice_struct->m_pitch = 0;
    voice_struct->m_vag_idx = 0;
    _svm_okof1 = okof1_tmp | bits_upper;
    _svm_okon1 &= ~(okof1_tmp | bits_upper);
    _svm_okof2 = okof2_tmp | bits_lower;
    _svm_okon2 &= ~(okof2_tmp | bits_lower);
}