public static byte[] GetPcmData(mucomPCMInfo info, int maxVol)
{
int sadr = info.stAdr;
int eadr = info.edAdr;
int deltaN = 0x49BA + 200;// 0x243e *2;//8kHz
byte vol = (byte)maxVol;
mds.WriteYM2608(0, 1, 0x10, 0x08);
mds.WriteYM2608(0, 1, 0x10, 0x80);
mds.WriteYM2608(0, 1, 0x02, (byte)sadr);
mds.WriteYM2608(0, 1, 0x03, (byte)(sadr >> 8));
mds.WriteYM2608(0, 1, 0x04, (byte)eadr);
mds.WriteYM2608(0, 1, 0x05, (byte)(eadr >> 8));
mds.WriteYM2608(0, 1, 0x09, (byte)deltaN);
mds.WriteYM2608(0, 1, 0x0a, (byte)(deltaN >> 8));
mds.WriteYM2608(0, 1, 0x0b, vol);
mds.WriteYM2608(0, 1, 0x01, 0xc0);
mds.WriteYM2608(0, 1, 0x00, 0xa0);
List <byte> pcm = new List <byte>();
do
{
short[] buf = new short[2];
mds.Update(buf, 0, 1, null);
//Console.Write("[{0:d8}]/[{1:d8}]\r\n", buf[0]>>8, buf[1]);
pcm.Add((byte)((buf[0] / (double)short.MaxValue) * sbyte.MaxValue + 0x80));
} while ((mds.ReadStatusExYM2608(0) & 0x20) != 0);
//dumpData(pcm.ToArray(), (int)SamplingRate, info.name);
return(pcm.ToArray());
}
private static List <mucomPCMInfo> setPCMData(byte[] pcmdata, byte[] adpcmBuffer)
{
if (pcmdata == null)
{
return(null);
}
int infosize;
int i;
int pcmtable;
int inftable;
int adr, whl, eadr;
byte[] pcmname = new byte[17];
int maxpcm = 32;
List <mucomPCMInfo> ret = null;
infosize = 0x400;
inftable = 0x0000;
pcmtable = 0xe300;
for (i = 0; i < maxpcm; i++)
{
adr = pcmdata[inftable + 28] | (pcmdata[inftable + 29] * 0x100);
whl = pcmdata[inftable + 30] | (pcmdata[inftable + 31] * 0x100);
eadr = adr + (whl >> 2);
if (pcmdata[i * 32] != 0)
{
if (ret == null)
{
ret = new List <mucomPCMInfo>();
}
mucomPCMInfo info = new mucomPCMInfo();
info.no = i + 1;
info.stAdr = adr;
info.edAdr = eadr;
Array.Copy(pcmdata, i * 32, pcmname, 0, 16);
pcmname[16] = 32;
info.name = Encoding.GetEncoding("shift_jis").GetString(pcmname).Trim();
ret.Add(info);
//Console.WriteLine(string.Format("#PCM{0} ${1:x04} ${2:x04} {3}", info.no, info.stAdr, info.edAdr, info.name));
}
pcmtable += 8;
inftable += 32;
}
// データ転送
Array.Copy(pcmdata, infosize, adpcmBuffer, 0, pcmdata.Length - infosize);
return(ret);
}