public static byte[] Check_FlashClock()
{
ULATestSystem testSystem = new ULATestSystem();
testSystem.LoadScreenInVideoMemory("ULA/Video/ScreenSamples/CrazyGolf.scr");
testSystem.ULA.Debug_SetBorderColor(15);
testSystem.ULA.Debug_SetFrameCounter(15);
for (int i = 0; i < ULA.ONE_FRAME_TICKS_COUNT; i++)
{
testSystem.PixelClock.Tick();
}
byte[] firstScreen = testSystem.Screen.CaptureDisplay();
for (int i = 0; i < ULA.ONE_FRAME_TICKS_COUNT; i++)
{
testSystem.PixelClock.Tick();
}
byte[] secondScreen = testSystem.Screen.CaptureDisplay();
int differenceCount = 0;
for (int i = 0; i < firstScreen.Length; i++)
{
if (firstScreen[i] != secondScreen[i]) differenceCount++;
}
if (differenceCount != 322)
{
throw new Exception("Screen comparisons failed");
}
return secondScreen;
}
public static byte[] Check_CompleteScreenCycle()
{
ULATestSystem testSystem = new ULATestSystem();
testSystem.LoadScreenInVideoMemory("ULA/Video/ScreenSamples/BuggyBoy.scr");
testSystem.ULA.Debug_SetBorderColor(4);
ULAStateLogger logger = new ULAStateLogger(testSystem.ULA);
logger.StartLogging(
ULAStateLogger.ULAStateElements.MasterCounters | ULAStateLogger.ULAStateElements.DataIO | ULAStateLogger.ULAStateElements.VideoOutput | ULAStateLogger.ULAStateElements.VideoRegisters,
new ULA.LifecycleEventType[] { ULA.LifecycleEventType.ClockCycle });
for (int i = 0; i < ULA.ONE_FRAME_TICKS_COUNT + 7; i++)
{
testSystem.PixelClock.Tick();
}
logger.StopLogging();
if (!logger.CompareWithSavedLog("ULA/Video/Logs/Check_CompleteScreenCycle"))
{
throw new Exception("Log compare failed");
}
ZXSpectrumComputer computer = new ZXSpectrumComputer();
// Load a program that does nothing in computer ROM
StringBuilder testProgram = new StringBuilder();
testProgram.AppendLine("JP 0");
computer.LoadProgramInROM(testProgram.ToString());
// Load sample picture in video memory and set green border color
using (Stream stream = PlatformSpecific.GetStreamForProjectFile("ULA/Video/ScreenSamples/BuggyBoy.scr"))
{
using (BinaryReader reader = new BinaryReader(stream))
{
reader.Read(computer.RAM16K.Cells, 0, 6912);
}
}
computer.ULA.Debug_SetBorderColor(4);
// Render the same screen with the complete computer
for (int i = 0; i < ULA.ONE_FRAME_TICKS_COUNT + 7; i++)
{
computer.Clock.Tick();
}
string testScreenValues = GetDisplayAsString(testSystem.Screen.Display);
string computerScreenValues = GetDisplayAsString(computer.Screen.Display);
if (!testScreenValues.Equals(computerScreenValues))
{
throw new Exception("Screen compare failed for complete computer");
}
return testSystem.Screen.Display;
}