public void Exx()
{
var ob = OpcodeByte.New(x: 3, z: 1, q: 1, p: 1);
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(new byte[] { ob.Value });
cpuZ80.FillRegisters(bc: 0x1234, de: 0x5678, hl: 0x9ABC,
a_bc: 0x4321, a_de: 8765, a_hl: 0xCBA9);
model.ClockGen.SquareWave(4);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
cpuZ80.AssertRegisters(a_bc: 0x1234, a_de: 0x5678, a_hl: 0x9ABC,
bc: 0x4321, de: 8765, hl: 0xCBA9);
}
private static CpuZ80 ExecuteTest(OpcodeByte ob, Action <CpuZ80> preTest)
{
var cpuZ80 = new CpuZ80();
byte[] buffer = new byte[] { 0xED, ob.Value };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
preTest(cpuZ80);
model.ClockGen.SquareWave(9);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static CpuZ80 ExecuteTest(OpcodeByte ob, Action <CpuZ80> preTest, byte extension = 0)
{
var cpuZ80 = new CpuZ80();
var buffer = extension == 0 ?
new byte[] { ob.Value, 0, 0, 0, 0, Value } :
new byte[] { extension, ob.Value, Offset, 0, Value, 0 };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
preTest(cpuZ80);
model.ClockGen.SquareWave(extension == 0 ? 7 : 19);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static SimulationModel ExecuteTest(OpcodeByte push,
Action <SimulationModel> preTest, byte extension = 0)
{
var cpuZ80 = new CpuZ80();
var buffer = (extension == 0) ?
new byte[] { push.Value, 0, 0, 0, 0, 0 } :
new byte[] { extension, push.Value, 0, 0, 0, 0 };
var model = cpuZ80.Initialize(buffer);
preTest(model);
model.ClockGen.SquareWave(extension == 0 ? 11 : 15);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private static SimulationModel ExecuteTest(Action <SimulationModel> preTest, byte extension = 0)
{
var ob = OpcodeByte.New(z: 6, y: 6);
var cpuZ80 = new CpuZ80();
var buffer = extension == 0 ?
new byte[] { ob.Value, Value, 0, 0, 0, 0 } :
new byte[] { extension, ob.Value, unchecked ((byte)Offset), Value, 0, 0, 0 };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
preTest(model);
model.ClockGen.SquareWave(extension == 0 ? 10 : 19);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private static CpuZ80 ExecuteTest(OpcodeByte rst)
{
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(null);
var writer = new MemoryWriter <BusData16, BusData8>(model.Memory);
writer.Fill(0x48, new BusData8(0));
writer[new BusData16(0)] = new BusData8(rst.Value);
cpuZ80.FillRegisters();
model.ClockGen.SquareWave(11);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static CpuZ80 ExecuteTest(OpcodeByte ob, byte extension = 0)
{
var cpuZ80 = new CpuZ80();
byte[] buffer = (extension == 0) ?
new byte[] { ob.Value } :
new byte[] { extension, ob.Value };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
model.ClockGen.SquareWave(extension == 0 ? 4 : 8);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
public void InterruptIsLatched()
{
var cpu = new CpuZ80();
cpu.Registers.Interrupt.IFF1 = true;
var interruptProvider = cpu.NonMaskableInterrupt.CreateConnection();
var model = cpu.Initialize(new byte[] { 0 });
model.ClockGen.SquareWave(2);
interruptProvider.Write(DigitalLevel.NegEdge);
model.ClockGen.SquareWave(2);
// into nmi
model.ClockGen.SquareWave(11);
// nmi turns off interrupts
cpu.Registers.Interrupt.IFF1.Should().BeFalse();
}
private static CpuZ80 ExecuteTest(byte b, long cycles)
{
var djnz = OpcodeByte.New(y: 2);
var d = unchecked ((byte)-2);
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(new byte[] { djnz.Value, d });
var bc = (ushort)((b << 8) | CpuZ80TestExtensions.MagicValue);
cpuZ80.FillRegisters(bc: bc);
model.ClockGen.SquareWave(cycles);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
public void IntEI_AcceptInterrupt_TurnsOffIFF1()
{
var cpu = new CpuZ80();
cpu.Registers.Interrupt.IFF1 = true;
var interruptProvider = cpu.Interrupt.CreateConnection();
var model = cpu.Initialize(new byte[] { 0 });
// nop
model.ClockGen.SquareWave(2);
interruptProvider.Write(DigitalLevel.Low);
model.ClockGen.SquareWave(2);
// start interrupt
model.ClockGen.SquareWave(2);
// interrupt accepted turns off IFF1
cpu.Registers.Interrupt.IFF1.Should().BeFalse();
}
private SimulationModel ExecuteTest(OpcodeByte ob, Action <CpuZ80> preTest, byte extension = 0)
{
var cpu = new CpuZ80();
var buffer = extension == 0 ?
new byte[] { ob.Value, IoAddress } :
new byte[] { extension, ob.Value };
var model = cpu.Initialize(buffer, new byte[] { 0, 0, 0, 0, 0 });
cpu.FillRegisters();
preTest(cpu);
model.ClockGen.SquareWave(extension == 0 ? 11 : 12);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private CpuZ80 ExecuteTest(byte value)
{
var ob = OpcodeByte.New(x: 1, z: 4, y: 0);
var cpuZ80 = new CpuZ80();
byte[] buffer = new byte[] { 0xED, ob.Value };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
cpuZ80.Registers.A = value;
model.ClockGen.SquareWave(8);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static CpuZ80 ExecuteTest(OpcodeByte ob,
bool c = false, bool z = false)
{
var d = unchecked ((byte)-2);
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(new byte[] { ob.Value, d });
cpuZ80.Registers.Flags.Z = z;
cpuZ80.Registers.Flags.C = c;
cpuZ80.FillRegisters();
model.ClockGen.SquareWave(12);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static CpuZ80 ExecuteTest(Register16Table reg16, bool carry)
{
var ob = OpcodeByte.New(x: 1, z: 2, q: 0, p: (byte)reg16);
var cpuZ80 = new CpuZ80();
byte[] buffer = new byte[] { 0xED, ob.Value };
var model = cpuZ80.Initialize(buffer);
cpuZ80.Registers.Flags.C = carry;
cpuZ80.FillRegisters(hl: Value);
cpuZ80.Registers[reg16] = ValueToSub;
model.ClockGen.SquareWave(15);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static CpuZ80 ExecuteTest(OpcodeByte call,
Action <Registers> preTest,
bool alt = false)
{
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(new[] { call.Value, AddresssLSB, AddresssMSB });
cpuZ80.FillRegisters();
if (preTest != null)
{
preTest(cpuZ80.Registers);
}
model.ClockGen.SquareWave(alt ? 11 : 17);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
private static SimulationModel ExecuteTest(OpcodeByte ob, Action <CpuZ80> preTest, byte extension = 0)
{
var regA = ob.Q == 3;
var cpuZ80 = new CpuZ80();
byte[] buffer = (extension == 0) ?
new byte[] { ob.Value, AddressLo, 0, 0, 0, 0, 0 } :
new byte[] { extension, ob.Value, AddressLo, 0, 0, 0, 0 };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
preTest(cpuZ80);
model.ClockGen.SquareWave(extension == 0 ? regA ? 13 : 16 : 20);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private SimulationModel ExecuteTest(OpcodeByte ob, Action <CpuZ80> preTest, bool isConditionMet)
{
var cpu = new CpuZ80();
var model = cpu.Initialize(
new byte[] { 0xED, ob.Value, 0, 0, Value1, Value2, 0, 0, 0, 0, 0 });
cpu.FillRegisters();
preTest(cpu);
long cycles = 16;
if (!isConditionMet)
{
cycles += 21;
}
model.ClockGen.SquareWave(cycles);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private static SimulationModel ExecuteTest(OpcodeByte ret,
Action <SimulationModel> preTest, bool conditionMet,
byte extension = 0)
{
var cpuZ80 = new CpuZ80();
var buffer = (extension == 0) ?
new byte[] { ret.Value, 0, 0, 0, 0x55, 0xAA } :
new byte[] { extension, ret.Value, 0, 0, 0x55, 0xAA };
var model = cpuZ80.Initialize(buffer);
model.Cpu.FillRegisters(sp: Stack);
preTest(model);
var def = OpcodeDefinition.Find(ret, extension == 0 ? null : new OpcodeByte(extension));
model.ClockGen.SquareWave(conditionMet ? def.Cycles.Sum() : def.AltCycles.Sum());
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}
private static SimulationModel ExecuteTest(OpcodeByte ob, byte value, Action <CpuZ80> preTest, byte extension = 0, byte group = 0xCB)
{
var cpuZ80 = new CpuZ80();
byte[] buffer = extension == 0 ?
new byte[] { group, ob.Value, 0, 0, 0, value }:
new byte[] { extension, group, ob.Value, Offset, 0, 0, value };
var model = cpuZ80.Initialize(buffer);
cpuZ80.FillRegisters();
preTest(cpuZ80);
long clocks = group == 0xCB ? 15 : 18;
if (extension != 0)
{
clocks += 8;
}
model.ClockGen.SquareWave(clocks);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(model);
}