public static void CheckTapeRecorderPlayback()
{
TapeRecorder tapeRecorder = new _TapeRecorder();
Tape testTape = new Tape("TestTape",
new TapeSection("section 1",
new ToneSequence("tone", 4, 5), // 20 TStates
new PulsesSequence("pulses", new ushort[] {1,2,3,4}), // 10 TStates
new DataSequence("data", new byte[] {15,175}, 1, 2, 4)), // 36 TStates
new TapeSection("section 2",
new PauseSequence("pause", 1)), // 3500 TStates
new TapeSection("section 3",
new SamplesSequence("samples", new byte[] { 15, 175 }, 2, 7))); // 30 TStates
tapeRecorder.InsertTape(testTape);
StringBuilder sbResult = new StringBuilder();
tapeRecorder.Start();
sbResult.AppendLine(tapeRecorder.PlayingTime + "," + tapeRecorder.SoundSignal.Level + "," + tapeRecorder.GetPosition());
for (int i = 1; i < 70; i++)
{
tapeRecorder.Tick();
sbResult.AppendLine(tapeRecorder.PlayingTime + "," + tapeRecorder.SoundSignal.Level + "," + tapeRecorder.GetPosition());
}
for (int i = 1; i <= 3492; i++)
{
tapeRecorder.Tick();
}
for (int i = 1; i <= 35; i++)
{
tapeRecorder.Tick();
sbResult.AppendLine(tapeRecorder.PlayingTime + "," + tapeRecorder.SoundSignal.Level + "," + tapeRecorder.GetPosition());
}
string testResult = sbResult.ToString();
string expectedResult = null;
using (StreamReader reader = new StreamReader(PlatformSpecific.GetStreamForProjectFile("TapeFiles/Logs/CheckTapeRecorderPlayback.csv")))
{
expectedResult = reader.ReadToEnd();
}
if (testResult != expectedResult)
{
throw new Exception("TapeRecorder playback test failed");
}
}
public static void Check_CPUTapeRecorderAccess()
{
ZXSpectrumComputer computer = new ZXSpectrumComputer();
Tape testTape = new Tape("TestTape",
new TapeSection("section 1",
new ToneSequence("tone", 6, 26)));
computer.TapeRecorder.InsertTape(testTape);
// From ROM function LD-EDGE-1
StringBuilder testProgram = new StringBuilder();
// 7 TStates
testProgram.AppendLine("LD A,$7F ; prepare to read keyboard and EAR port");
// 11 TSTates
testProgram.AppendLine("IN A,($FE) ; row $7FFE. bit 6 is EAR, bit 0 is SPACE key.");
// 10 TStates
testProgram.AppendLine("JP 0");
computer.LoadProgramInROM(testProgram.ToString());
computer.TapeRecorder.Start();
computer.ExecuteInstructionCount(2);
if (computer.TapeRecorder.SoundSignal.Level == 0 && (computer.CPU.A & 0x40) != 0)
{
throw new Exception("Tape Recorder access error");
}
computer.ExecuteInstructionCount(3);
if (computer.TapeRecorder.SoundSignal.Level == 1 && (computer.CPU.A & 0x40) == 0)
{
throw new Exception("Tape Recorder access error");
}
computer.Keyboard.OnKeyPress(Keyboard.Keys.Space);
computer.ExecuteInstructionCount(6);
if (computer.TapeRecorder.SoundSignal.Level == 0 && (computer.CPU.A & 0x40) != 0)
{
throw new Exception("Tape Recorder access error");
}
computer.ExecuteInstructionCount(3);
if (computer.TapeRecorder.SoundSignal.Level == 1 && (computer.CPU.A & 0x40) == 0)
{
throw new Exception("Tape Recorder access error");
}
}
public void InsertTape(Tape insertedTape)
{
if(Tape != null)
{
Eject();
}
Tape = insertedTape;
RewindToStart();
}