vs_vtb.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"
 
s16 SsVabTransBody(u8 *addr, s16 vab_id)
{
    if ( (u16)vab_id >= 0x11u || _svm_vab_used[vab_id] != 2 )
    {
        _spu_setInTransfer(0);
        return -1;
    }
    SpuSetTransferMode(SPU_TRANSFER_BY_DMA);
    if ( !SpuSetTransferStartAddr(_svm_vab_start[vab_id]) )
    {
        _spu_setInTransfer(0);
        return -1;
    }
    SpuWrite(addr, _svm_vab_total[vab_id]);
    _svm_vab_used[vab_id] = 1;
    return vab_id;
}