public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
_vram = cpu.B;
return(1);
case 1:
_font = cpu.B;
return(1);
case 2:
_palette = cpu.B;
return(1);
case 3:
//_bordercolor = (byte)(cpu.B & 0xf);
return(1);
case 4:
return(256);
case 5:
return(16);
default:
return(0);
}
}
public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
_rate = cpu.B;
_lastTick = DateTime.UtcNow;
return(1);
case 1:
cpu.C = (ushort)((DateTime.UtcNow - _lastTick).TotalSeconds * cpu.ClockCyclesPerSecond);
return(1);
case 2:
if (cpu.B == 0)
{
_rate = 0;
}
else
{
_message = cpu.B;
}
return(1);
default:
return(0);
}
}
public static void Serialize(Dcpu dcpu, BinaryWriter writer)
{
writer.Write(MagicNumber);
writer.Write(dcpu.A);
writer.Write(dcpu.B);
writer.Write(dcpu.C);
writer.Write(dcpu.X);
writer.Write(dcpu.Y);
writer.Write(dcpu.Z);
writer.Write(dcpu.I);
writer.Write(dcpu.J);
writer.Write(dcpu.Pc);
writer.Write(dcpu.Sp);
writer.Write(dcpu.Ex);
writer.Write(dcpu.Ia);
writer.Write(dcpu.InterruptQueueEnabled);
writer.Write(dcpu.Interrupts.Count);
foreach (var interrupt in dcpu.Interrupts)
writer.Write(interrupt.Message);
var mem = dcpu.Memory;
var len = mem.Length;
writer.Write(len);
for (var i = 0; i < len; i++)
writer.Write(mem[i]);
}
public static void Deserialize(Dcpu dcpu, BinaryReader reader)
{
if (reader.ReadInt32() != MagicNumber)
{
throw new Exception("Unable to read DCPU file: invalid magic number");
}
dcpu.Reset(); // Cilph: Remove if you already do this elsewhere
dcpu.A = reader.ReadUInt16();
dcpu.B = reader.ReadUInt16();
dcpu.C = reader.ReadUInt16();
dcpu.X = reader.ReadUInt16();
dcpu.Y = reader.ReadUInt16();
dcpu.Z = reader.ReadUInt16();
dcpu.I = reader.ReadUInt16();
dcpu.J = reader.ReadUInt16();
dcpu.Pc = reader.ReadUInt16();
dcpu.Sp = reader.ReadUInt16();
dcpu.Ex = reader.ReadUInt16();
dcpu.Ia = reader.ReadUInt16();
dcpu.InterruptQueueEnabled = reader.ReadBoolean();
var interruptCount = reader.ReadInt32();
for (var i = 0; i < interruptCount; i++)
{
dcpu.Interrupts.Enqueue(new Interrupt(reader.ReadUInt16()));
}
var len = reader.ReadInt32();
var mem = new ushort[len];
for (var i = 0; i < len; i++)
{
mem[i] = reader.ReadUInt16();
}
}
public static void Serialize(Dcpu dcpu, BinaryWriter writer)
{
writer.Write(MagicNumber);
writer.Write(dcpu.A);
writer.Write(dcpu.B);
writer.Write(dcpu.C);
writer.Write(dcpu.X);
writer.Write(dcpu.Y);
writer.Write(dcpu.Z);
writer.Write(dcpu.I);
writer.Write(dcpu.J);
writer.Write(dcpu.Pc);
writer.Write(dcpu.Sp);
writer.Write(dcpu.Ex);
writer.Write(dcpu.Ia);
writer.Write(dcpu.InterruptQueueEnabled);
writer.Write(dcpu.Interrupts.Count);
foreach (var interrupt in dcpu.Interrupts)
{
writer.Write(interrupt.Message);
}
var mem = dcpu.Memory;
var len = mem.Length;
writer.Write(len);
for (var i = 0; i < len; i++)
{
writer.Write(mem[i]);
}
}
public void ExternalCallback(Dcpu cpu)
{
if (_interruptMessage == 0 || _doInterrupt == false)
return;
_doInterrupt = false;
cpu.SendInterrupt(new Interrupt(_interruptMessage));
}
public static void Deserialize(Dcpu dcpu, BinaryReader reader)
{
if (reader.ReadInt32() != MagicNumber)
throw new Exception("Unable to read DCPU file: invalid magic number");
dcpu.Reset(); // Cilph: Remove if you already do this elsewhere
dcpu.A = reader.ReadUInt16();
dcpu.B = reader.ReadUInt16();
dcpu.C = reader.ReadUInt16();
dcpu.X = reader.ReadUInt16();
dcpu.Y = reader.ReadUInt16();
dcpu.Z = reader.ReadUInt16();
dcpu.I = reader.ReadUInt16();
dcpu.J = reader.ReadUInt16();
dcpu.Pc = reader.ReadUInt16();
dcpu.Sp = reader.ReadUInt16();
dcpu.Ex = reader.ReadUInt16();
dcpu.Ia = reader.ReadUInt16();
dcpu.InterruptQueueEnabled = reader.ReadBoolean();
var interruptCount = reader.ReadInt32();
for (var i = 0; i < interruptCount; i++)
dcpu.Interrupts.Enqueue(new Interrupt(reader.ReadUInt16()));
var len = reader.ReadInt32();
var mem = new ushort[len];
for (var i = 0; i < len; i++)
mem[i] = reader.ReadUInt16();
}
public void ExternalCallback(Dcpu cpu)
{
if (_interruptMessage == 0 || _doInterrupt == false)
{
return;
}
_doInterrupt = false;
cpu.SendInterrupt(new Interrupt(_interruptMessage));
}
public void ExternalCallback(Dcpu cpu)
{
if (_rate == 0)
return;
var nextTickTime = _lastTick + TimeSpan.FromSeconds(_rate / 60.0);
if (DateTime.UtcNow < nextTickTime)
return;
_lastTick = nextTickTime;
cpu.SendInterrupt(new Interrupt(_message));
}
public void ExternalCallback(Dcpu cpu)
{
if (_rate == 0)
{
return;
}
var nextTickTime = _lastTick + TimeSpan.FromSeconds(_rate / 60.0);
if (DateTime.UtcNow < nextTickTime)
{
return;
}
_lastTick = nextTickTime;
cpu.SendInterrupt(new Interrupt(_message));
}
public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
Array.Clear(_keyState, 0, _keyState.Length);
return 3;
case 1:
cpu.C = _keyQueue.Count == 0 ? (ushort)0 : _keyQueue.Dequeue();
return 2;
case 2:
cpu.C = cpu.B >= _keyState.Length ? (ushort)0 : _keyState[cpu.B] ? (ushort)1 : (ushort)0;
return 2;
case 3:
_interruptMessage = cpu.B;
return 1;
default:
return 0;
}
}
public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
_rate = cpu.B;
_lastTick = DateTime.UtcNow;
return 1;
case 1:
cpu.C = (ushort)((DateTime.UtcNow - _lastTick).TotalSeconds * cpu.ClockCyclesPerSecond);
return 1;
case 2:
if (cpu.B == 0)
_rate = 0;
else
_message = cpu.B;
return 1;
default:
return 0;
}
}
static void Main(string[] args)
{
if (BitConverter.IsLittleEndian == false)
Console.WriteLine("Note: You have a big-endian computer, things might behave a bit differently. (But report bugs, as always!)");
var window = new MainWindow();
var file = args.Length > 0 ? args[0] : ChooseFile(window);
var bytes = File.ReadAllBytes(file);
var shorts = Extensions.ConvertToShorts(bytes, true);
var dcpu = new Dcpu();
dcpu.LoadProgram(shorts);
dcpu.AddHardware(new GenericKeyboard(window));
dcpu.AddHardware(new Lem1802(window));
bool[] running = { true };
var thread = new Thread(() =>
{
while (running[0])
dcpu.Run();
});
thread.Start();
Application.Run(window);
running[0] = false;
}
public void ExternalCallback(Dcpu cpu)
{
if (_vram == 0)
{
return;
}
var nowIsBlink = DateTime.UtcNow.Millisecond < 500;
for (var i = 0; i < CWidth * CHeight; i++)
{
var word = cpu.Memory[_vram + i];
var character = word & 0x7f;
var blinking = (word & 0x80) != 0;
var bgcolor = GetColor(cpu, (byte)(word >> 8 & 0xf));
var fgcolor = GetColor(cpu, (byte)(word >> 12 & 0xf));
var bg = ((bgcolor & 0xf00) << 20) | ((bgcolor & 0xf00) << 16) | ((bgcolor & 0xf0) << 12) | ((bgcolor & 0xf0) << 8) | ((bgcolor & 0xf) << 4) | ((bgcolor & 0xf) << 0);
var fg = ((fgcolor & 0xf00) << 20) | ((fgcolor & 0xf00) << 16) | ((fgcolor & 0xf0) << 12) | ((fgcolor & 0xf0) << 8) | ((fgcolor & 0xf) << 4) | ((fgcolor & 0xf) << 0);
if (blinking && nowIsBlink)
{
fg = bg;
}
var fontWordZero = GetFont(cpu, (byte)(character * 2));
var fontWordOne = GetFont(cpu, (byte)(character * 2 + 1));
var cx = i % CWidth;
var cy = i / CWidth;
var px = cx * 4;
var py = cy * 8;
PrintToRgb(px + 0, py, (byte)(fontWordZero >> 8), fg, bg);
PrintToRgb(px + 1, py, (byte)fontWordZero, fg, bg);
PrintToRgb(px + 2, py, (byte)(fontWordOne >> 8), fg, bg);
PrintToRgb(px + 3, py, (byte)fontWordOne, fg, bg);
}
_systemMonitor.SetScreen(_rgb, Width);
}
public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
Array.Clear(_keyState, 0, _keyState.Length);
return(3);
case 1:
cpu.C = _keyQueue.Count == 0 ? (ushort)0 : _keyQueue.Dequeue();
return(2);
case 2:
cpu.C = cpu.B >= _keyState.Length ? (ushort)0 : _keyState[cpu.B] ? (ushort)1 : (ushort)0;
return(2);
case 3:
_interruptMessage = cpu.B;
return(1);
default:
return(0);
}
}
public int DoInterrupt(Dcpu cpu)
{
switch (cpu.A)
{
case 0:
_vram = cpu.B;
return 1;
case 1:
_font = cpu.B;
return 1;
case 2:
_palette = cpu.B;
return 1;
case 3:
//_bordercolor = (byte)(cpu.B & 0xf);
return 1;
case 4:
return 256;
case 5:
return 16;
default:
return 0;
}
}
private ushort GetColor(Dcpu cpu, byte colorIndex)
{
return(_palette == 0 ? DefaultPalette[colorIndex] : cpu.Memory[_palette + colorIndex]);
}
private ushort GetFont(Dcpu cpu, byte fontIndex)
{
return _font == 0 ? DefaultFont[fontIndex] : cpu.Memory[_font + fontIndex];
}
public void ExternalCallback(Dcpu cpu)
{
if (_vram == 0)
return;
var nowIsBlink = DateTime.UtcNow.Millisecond < 500;
for (var i = 0; i < CWidth * CHeight; i++)
{
var word = cpu.Memory[_vram + i];
var character = word & 0x7f;
var blinking = (word & 0x80) != 0;
var bgcolor = GetColor(cpu, (byte)(word >> 8 & 0xf));
var fgcolor = GetColor(cpu, (byte)(word >> 12 & 0xf));
var bg = ((bgcolor & 0xf00) << 20) | ((bgcolor & 0xf00) << 16) | ((bgcolor & 0xf0) << 12) | ((bgcolor & 0xf0) << 8) | ((bgcolor & 0xf) << 4) | ((bgcolor & 0xf) << 0);
var fg = ((fgcolor & 0xf00) << 20) | ((fgcolor & 0xf00) << 16) | ((fgcolor & 0xf0) << 12) | ((fgcolor & 0xf0) << 8) | ((fgcolor & 0xf) << 4) | ((fgcolor & 0xf) << 0);
if (blinking && nowIsBlink)
fg = bg;
var fontWordZero = GetFont(cpu, (byte)(character * 2));
var fontWordOne = GetFont(cpu, (byte)(character * 2 + 1));
var cx = i % CWidth;
var cy = i / CWidth;
var px = cx * 4;
var py = cy * 8;
PrintToRgb(px + 0, py, (byte)(fontWordZero >> 8), fg, bg);
PrintToRgb(px + 1, py, (byte)fontWordZero, fg, bg);
PrintToRgb(px + 2, py, (byte)(fontWordOne >> 8), fg, bg);
PrintToRgb(px + 3, py, (byte)fontWordOne, fg, bg);
}
_systemMonitor.SetScreen(_rgb, Width);
}
private ushort GetColor(Dcpu cpu, byte colorIndex)
{
return _palette == 0 ? DefaultPalette[colorIndex] : cpu.Memory[_palette + colorIndex];
}
private ushort GetFont(Dcpu cpu, byte fontIndex)
{
return(_font == 0 ? DefaultFont[fontIndex] : cpu.Memory[_font + fontIndex]);
}
