public V9938(IV9938DisplayRenderer displayRenderer, Configuration config, int vramSizeInKB = 16)
{
if (!allowedVramSizes.Contains(vramSizeInKB))
{
throw new ArgumentException("VRAM size must be one of: " +
string.Join(", ", allowedVramSizes.Select(s => s.ToString()).ToArray()));
}
vramSize = vramSizeInKB * 1024;
vramAddressMask = vramSize - 1;
_PatternNameTableAddress = 0x1800;
_colorTableAddress = 0x2000;
_patternGeneratorTableAddress = 0x800;
Vram = new PlainMemory(vramSize);
modeBits = new Bit[] { 0, 0, 0, 0, 0 };
this.displayRenderer = displayRenderer;
displayRenderer.BlankScreen();
if (config.VdpFrequencyMultiplier < 0.01M || config.VdpFrequencyMultiplier > 100)
{
throw new ConfigurationException("The VDP frequency multiplier must be a number between 0.01 and 100.");
}
var interruptGenerationInterval = TimeSpan.FromSeconds(((double)1) / 60).TotalMilliseconds / (double)config.VdpFrequencyMultiplier;
interruptGenerationTaskCancellatonTokenSource = new CancellationTokenSource();
interruptGenerationTask = Task.Factory.StartNew(InterruptGenerationTaskProcess, interruptGenerationInterval, interruptGenerationTaskCancellatonTokenSource.Token);
SetScreenMode(ScreenMode.Graphic1);
}
public void MinimalProgramRuns()
{
var source = @"
.data
.instructions
HALT";
using var executable = new Executable(source);
using var processor = new Processor();
using var memory = new PlainMemory(4);
Assert.NotNull(executable);
Assert.NotNull(processor);
Assert.NotNull(memory);
processor.Run(executable, memory);
Assert.NotNull(processor.ExitCode);
Assert.False(processor.ExitCode.Value.IsError);
}
public void Setup()
{
Fixture = new Fixture();
MemorySize = Random(100, 1000000);
Sut = new PlainMemory(MemorySize);
}