private void save_RAMP(Stream stream, byte chPageNo, byte[] chData)
{
var memory = _spec.BusManager.FindDevice <IMemoryDevice>();
UInt16 wFlags = 0;
using (var ms = new MemoryStream())
{
ZipLib.Zip.Compression.Streams.DeflaterOutputStream deflater = new ZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms);
deflater.Write(chData, 0, chData.Length);
deflater.Finish();
deflater.Flush();
byte[] dataCompressed = ms.ToArray();
if (dataCompressed.Length < chData.Length)
{
chData = dataCompressed;
wFlags |= ZXSTRF_COMPRESSED;
}
}
StreamHelper.Write(stream, Encoding.ASCII.GetBytes("RAMP"));
int size = 3 + chData.Length;
StreamHelper.Write(stream, size);
StreamHelper.Write(stream, wFlags);
StreamHelper.Write(stream, chPageNo);
StreamHelper.Write(stream, chData);
}
private void save_B128(Stream stream)
{
var betaDisk = _spec.BusManager.FindDevice <IBetaDiskDevice>();
if (betaDisk != null)
{
int dwFlags =
(betaDisk.DOSEN ? ZXSTBETAF_PAGED : 0);
byte chNumDrives = 0;
byte chSysReg = 0x3f;
byte chTrackReg = 0;
byte chSectorReg = 0;
byte chDataReg = 0;
byte chStatusReg = 0xe0;
byte[] chRomData = new byte[0];
if (chRomData.Length > 0)
{
using (var ms = new MemoryStream())
{
ZipLib.Zip.Compression.Streams.DeflaterOutputStream deflater = new ZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms);
deflater.Write(chRomData, 0, chRomData.Length);
deflater.Finish();
deflater.Flush();
byte[] dataCompressed = ms.ToArray();
if (dataCompressed.Length < chRomData.Length)
{
chRomData = dataCompressed;
dwFlags |= ZXSTBETAF_COMPRESSED;
}
}
}
StreamHelper.Write(stream, Encoding.ASCII.GetBytes("B128"));
int size = 10;
StreamHelper.Write(stream, size);
StreamHelper.Write(stream, dwFlags);
StreamHelper.Write(stream, chNumDrives);
StreamHelper.Write(stream, chSysReg);
StreamHelper.Write(stream, chTrackReg);
StreamHelper.Write(stream, chSectorReg);
StreamHelper.Write(stream, chDataReg);
StreamHelper.Write(stream, chStatusReg);
StreamHelper.Write(stream, chRomData);
}
}
private void save_RAMP(Stream stream, byte chPageNo, byte[] chData)
{
var memory = _spec.BusManager.FindDevice<IMemoryDevice>();
UInt16 wFlags = 0;
using (var ms = new MemoryStream())
{
ZipLib.Zip.Compression.Streams.DeflaterOutputStream deflater = new ZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms);
deflater.Write(chData, 0, chData.Length);
deflater.Finish();
deflater.Flush();
byte[] dataCompressed = ms.ToArray();
if (dataCompressed.Length < chData.Length)
{
chData = dataCompressed;
wFlags |= ZXSTRF_COMPRESSED;
}
}
StreamHelper.Write(stream, Encoding.ASCII.GetBytes("RAMP"));
int size = 3 + chData.Length;
StreamHelper.Write(stream, size);
StreamHelper.Write(stream, wFlags);
StreamHelper.Write(stream, chPageNo);
StreamHelper.Write(stream, chData);
}
private void save_B128(Stream stream)
{
var betaDisk = _spec.BusManager.FindDevice<IBetaDiskDevice>();
if (betaDisk != null)
{
int dwFlags =
(betaDisk.DOSEN ? ZXSTBETAF_PAGED : 0);
byte chNumDrives = 0;
byte chSysReg = 0x3f;
byte chTrackReg = 0;
byte chSectorReg = 0;
byte chDataReg = 0;
byte chStatusReg = 0xe0;
byte[] chRomData = new byte[0];
if (chRomData.Length > 0)
{
using (var ms = new MemoryStream())
{
ZipLib.Zip.Compression.Streams.DeflaterOutputStream deflater = new ZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms);
deflater.Write(chRomData, 0, chRomData.Length);
deflater.Finish();
deflater.Flush();
byte[] dataCompressed = ms.ToArray();
if (dataCompressed.Length < chRomData.Length)
{
chRomData = dataCompressed;
dwFlags |= ZXSTBETAF_COMPRESSED;
}
}
}
StreamHelper.Write(stream, Encoding.ASCII.GetBytes("B128"));
int size = 10;
StreamHelper.Write(stream, size);
StreamHelper.Write(stream, dwFlags);
StreamHelper.Write(stream, chNumDrives);
StreamHelper.Write(stream, chSysReg);
StreamHelper.Write(stream, chTrackReg);
StreamHelper.Write(stream, chSectorReg);
StreamHelper.Write(stream, chDataReg);
StreamHelper.Write(stream, chStatusReg);
StreamHelper.Write(stream, chRomData);
}
}