public override void Deserialize(Stream stream)
{
byte[] array = new byte[2];
while (stream.Position < stream.Length)
{
stream.Read(array, 0, 2);
int num = (int)BitConverter.ToUInt16(array, 0);
if (num == 0)
{
return;
}
byte[] array2 = new byte[num];
stream.Read(array2, 0, num);
TapeBlock tapeBlock = new TapeBlock();
tapeBlock.Description = TapSerializer.getBlockDescription(array2, 0, array2.Length);
tapeBlock.Periods = TapSerializer.getBlockPeriods(array2, 0, array2.Length, 2168, 667, 735, 855, 1710, (array2[0] < 4) ? 8064 : 3220, 1000, 8);
this._tape.Blocks.Add(tapeBlock);
}
}
public override void Deserialize(Stream stream)
{
byte[] array = new byte[stream.Length];
stream.Read(array, 0, array.Length);
if (Encoding.ASCII.GetString(array, 0, 7) != "ZXTape!" || array[7] != 26)
{
PlatformFactory.Platform.ShowWarning("Invalid TZX file, identifier not found! ", "TZX loader");
return;
}
int i = 0;
int num = 0;
int num2 = 0;
while (i < array.Length)
{
byte b = array[i++];
TapeBlock tapeBlock;
switch (b)
{
case 16:
{
tapeBlock = new TapeBlock();
int num3 = (int)FormatSerializer.getUInt16(array, i + 2);
int num4 = (int)FormatSerializer.getUInt16(array, i);
i += 4;
tapeBlock.Description = TapSerializer.getBlockDescription(array, i, num3);
tapeBlock.Periods = TapSerializer.getBlockPeriods(array, i, num3, 2168, 667, 735, 855, 1710, (array[i] < 4) ? 8064 : 3220, num4, 8);
i += num3;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 17:
{
tapeBlock = new TapeBlock();
int num3 = 16777215 & FormatSerializer.getInt32(array, i + 15);
tapeBlock.Description = TapSerializer.getBlockDescription(array, i + 18, num3);
tapeBlock.Periods = TapSerializer.getBlockPeriods(array, i + 18, num3, (int)FormatSerializer.getUInt16(array, i), (int)FormatSerializer.getUInt16(array, i + 2), (int)FormatSerializer.getUInt16(array, i + 4), (int)FormatSerializer.getUInt16(array, i + 6), (int)FormatSerializer.getUInt16(array, i + 8), (int)FormatSerializer.getUInt16(array, i + 10), (int)FormatSerializer.getUInt16(array, i + 13), (int)array[i + 12]);
i += num3 + 18;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 18:
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "Pure Tone";
int num5 = (int)FormatSerializer.getUInt16(array, i);
int num6 = (int)FormatSerializer.getUInt16(array, i + 2);
tapeBlock.Periods = new List <int>(num6);
for (int j = 0; j < num6; j++)
{
tapeBlock.Periods.Add(num5);
}
i += 4;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 19:
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "Pulse sequence";
int num6 = (int)array[i++];
tapeBlock.Periods = new List <int>(num6);
int j = 0;
while (j < num6)
{
tapeBlock.Periods.Add((int)FormatSerializer.getUInt16(array, i));
j++;
i += 2;
}
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 20:
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "Pure Data Block";
int num3 = 16777215 & FormatSerializer.getInt32(array, i + 7);
tapeBlock.Periods = TapSerializer.getBlockPeriods(array, i + 10, num3, 0, 0, 0, (int)FormatSerializer.getUInt16(array, i), (int)FormatSerializer.getUInt16(array, i + 2), -1, (int)FormatSerializer.getUInt16(array, i + 5), (int)array[i + 4]);
i += num3 + 10;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 21:
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "Direct Recording";
int num3 = 16777215 & FormatSerializer.getInt32(array, i + 5);
int @uint = (int)FormatSerializer.getUInt16(array, i);
int num4 = (int)FormatSerializer.getUInt16(array, i + 2);
int num7 = (int)array[i + 4];
i += 8;
int num5 = 0;
int num6 = 0;
int j;
for (j = 0; j < num3; j++)
{
for (int num8 = 128; num8 != 0; num8 >>= 1)
{
if ((((int)array[i + j] ^ num5) & num8) != 0)
{
num6++;
num5 ^= -1;
}
}
}
int num9 = 0;
num5 = 0;
tapeBlock.Periods = new List <int>(num6 + 2);
j = 1;
while (j < num3)
{
for (int num8 = 128; num8 != 0; num8 >>= 1)
{
num9 += @uint;
if ((((int)array[i] ^ num5) & num8) != 0)
{
tapeBlock.Periods.Add(num9);
num5 ^= -1;
num9 = 0;
}
}
j++;
i++;
}
for (int num8 = 128; num8 != (int)((byte)(128 >> num7)); num8 >>= 1)
{
num9 += @uint;
if ((((int)array[i] ^ num5) & num8) != 0)
{
tapeBlock.Periods.Add(num9);
num5 ^= -1;
num9 = 0;
}
}
i++;
tapeBlock.Periods.Add(num9);
if (num4 != 0)
{
tapeBlock.Periods.Add(num4 * 3500);
}
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
case 31:
case 41:
case 43:
case 44:
case 45:
case 46:
case 47:
break;
case 32:
{
tapeBlock = new TapeBlock();
int num4 = (int)FormatSerializer.getUInt16(array, i);
tapeBlock.Description = ((num4 != 0) ? ("[Pause " + num4 + " ms]") : "[Stop the Tape]");
tapeBlock.Periods = new List <int>(2);
i += 2;
if (num4 == 0)
{
tapeBlock.Command = TapeCommand.STOP_THE_TAPE;
tapeBlock.Periods.Add(3500);
num4 = -1;
}
else
{
num4 *= 3500;
}
tapeBlock.Periods.Add(num4);
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 33:
{
tapeBlock = new TapeBlock();
int num6 = (int)array[i++];
tapeBlock.Description = "[GROUP: " + Encoding.ASCII.GetString(array, i, num6) + "]";
tapeBlock.Command = TapeCommand.BEGIN_GROUP;
i += num6;
tapeBlock.Periods = new List <int>();
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 34:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[END GROUP]";
tapeBlock.Command = TapeCommand.END_GROUP;
tapeBlock.Periods = new List <int>();
this._tape.Blocks.Add(tapeBlock);
continue;
case 35:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[JUMP TO BLOCK " + FormatSerializer.getUInt16(array, i) + "]";
tapeBlock.Periods = new List <int>();
i += 2;
this._tape.Blocks.Add(tapeBlock);
continue;
case 36:
num = (int)FormatSerializer.getUInt16(array, i);
num2 = this._tape.Blocks.Count;
i += 2;
continue;
case 37:
if (num != 0)
{
int num3 = this._tape.Blocks.Count - num2;
for (int k = 0; k < num3; k++)
{
this._tape.Blocks.Add(this._tape.Blocks[num + k]);
}
num = 0;
continue;
}
continue;
case 38:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[CALL SEQUENCE]";
tapeBlock.Periods = new List <int>();
i += (int)(2 + 2 * FormatSerializer.getUInt16(array, i));
this._tape.Blocks.Add(tapeBlock);
continue;
case 39:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[RETURN SEQUENCE]";
tapeBlock.Periods = new List <int>();
this._tape.Blocks.Add(tapeBlock);
continue;
case 40:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[SELECT BLOCK]";
tapeBlock.Periods = new List <int>();
i += (int)(2 + FormatSerializer.getUInt16(array, i));
this._tape.Blocks.Add(tapeBlock);
continue;
case 42:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[Stop tape if in 48K mode]";
tapeBlock.Command = TapeCommand.STOP_THE_TAPE_48K;
tapeBlock.Periods = new List <int>();
i += (int)(4 + FormatSerializer.getUInt16(array, i));
this._tape.Blocks.Add(tapeBlock);
continue;
case 48:
{
tapeBlock = new TapeBlock();
int num6 = (int)array[i++];
tapeBlock.Description = "[" + Encoding.ASCII.GetString(array, i, num6) + "]";
tapeBlock.Periods = new List <int>();
i += num6;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 49:
{
tapeBlock = new TapeBlock();
i++;
int num6 = (int)array[i++];
tapeBlock.Description = "[Message: " + Encoding.ASCII.GetString(array, i, num6) + "]";
tapeBlock.Command = TapeCommand.SHOW_MESSAGE;
tapeBlock.Periods = new List <int>();
i += num6;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 50:
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "Archive info";
tapeBlock.Periods = new List <int>();
int num10 = i + 3;
for (int j = 0; j < (int)array[i + 2]; j++)
{
byte b2 = array[num10++];
string arg;
switch (b2)
{
case 0:
arg = "Full title";
break;
case 1:
arg = "Publisher";
break;
case 2:
arg = "Author";
break;
case 3:
arg = "Year";
break;
case 4:
arg = "Language";
break;
case 5:
arg = "Type";
break;
case 6:
arg = "Price";
break;
case 7:
arg = "Protection";
break;
case 8:
arg = "Origin";
break;
default:
if (b2 != 255)
{
arg = "info";
}
else
{
arg = "Comment";
}
break;
}
int num3 = (int)array[num10++];
tapeBlock.Description = string.Format("{0}: {1}", arg, Encoding.ASCII.GetString(array, num10, num3));
num10 += num3;
}
i += (int)(2 + FormatSerializer.getUInt16(array, i));
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 51:
{
tapeBlock = new TapeBlock();
int num6 = (int)array[i++];
tapeBlock.Description = "[HARDWARE TYPE]";
tapeBlock.Periods = new List <int>();
i += 3 * num6;
this._tape.Blocks.Add(tapeBlock);
continue;
}
case 52:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[EMULATION INFO]";
tapeBlock.Periods = new List <int>();
i += 8;
this._tape.Blocks.Add(tapeBlock);
continue;
case 53:
tapeBlock = new TapeBlock();
tapeBlock.Description = "[CUSTOM INFO - " + Encoding.ASCII.GetString(array, i, 10) + "]";
i += 10;
tapeBlock.Periods = new List <int>();
i += (int)(2 + FormatSerializer.getUInt16(array, i));
this._tape.Blocks.Add(tapeBlock);
continue;
default:
if (b == 64)
{
tapeBlock = new TapeBlock();
tapeBlock.Description = "[SNAPSHOT - ";
if (array[i] == 0)
{
TapeBlock tapeBlock2 = tapeBlock;
tapeBlock2.Description += ".Z80]";
}
else if (array[i] == 1)
{
TapeBlock tapeBlock3 = tapeBlock;
tapeBlock3.Description += ".SNA]";
}
else
{
TapeBlock tapeBlock4 = tapeBlock;
tapeBlock4.Description += "???]";
}
i++;
int num3 = (int)array[i] | (int)array[i + 1] << 8 | (int)array[i + 2] << 16;
i += 3;
tapeBlock.Periods = new List <int>();
i += num3;
this._tape.Blocks.Add(tapeBlock);
continue;
}
if (b == 90)
{
i += 9;
continue;
}
break;
}
tapeBlock = new TapeBlock();
tapeBlock.Description = "[UNKNOWN BLOCK 0x" + array[i - 1].ToString("X2") + "]";
tapeBlock.Periods = new List <int>();
i += (FormatSerializer.getInt32(array, i) & 16777215);
i += 4;
this._tape.Blocks.Add(tapeBlock);
}
}
