private static void TestReturn(PrimaryOpCode op, FlagTest flagTest, int machineCycles = 1, int throttlingStates = 5, bool gameboy = true)
{
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op).DoNotHalt().ThrowOnGameboy(!gameboy))
{
fixture.Expected.OpCode(OpCode.Return).FlagTest(flagTest);
}
}
private static void Test(PrimaryOpCode op, OpCode expected)
{
using (var fixture = new DecodeFixture(1, 4, op))
{
fixture.Expected.OpCode(expected).Operands(Operand.A).UseAlternativeFlagAffection();
}
}
private static void TestStackOperation(PrimaryOpCode op, Operand qq, OpCode expected = OpCode.Push, int machineCycles = 3, int throttlineStates = 11)
{
using (var fixture = new DecodeFixture(machineCycles, throttlineStates, op))
{
fixture.Expected.OpCode(expected).Operands(qq);
}
}
public void DEC_ss(PrimaryOpCode op, Operand s)
{
using (var fixture = new DecodeFixture(1, 6, op))
{
fixture.Expected.OpCode(OpCode.Decrement16).Operands(s);
}
}
private static void TestZ80StackOperation(PrimaryOpCode op, Operand qq, OpCode expected = OpCode.Push, int machineCycles = 4, int throttlineStates = 15)
{
using (var fixture = new DecodeFixture(machineCycles, throttlineStates, qq.GetZ80IndexPrefix(), op).ThrowUnlessZ80())
{
fixture.Expected.OpCode(expected).Operands(qq);
}
}
public void ADD_IXY_s(PrimaryOpCode op, Operand index, Operand s)
{
using (var fixture = new DecodeFixture(4, 15, index.GetZ80IndexPrefix(), op).ThrowUnlessZ80())
{
fixture.Expected.OpCode(OpCode.Add16).Operands(index, s);
}
}
private static void IndexTest(PrimaryOpCode op, OpCode expected, int machineCycles = 2, int throttlingStates = 7)
{
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op))
{
fixture.Expected.OpCode(expected).Operands(Operand.mHL);
}
}
private static void Test(PrimaryOpCode op, OpCode expected)
{
using (var fixture = new DecodeFixture(1, 4, op))
{
fixture.Expected.OpCode(expected);
}
}
public void RST_nn(PrimaryOpCode op, ushort address)
{
using (var fixture = new DecodeFixture(3, 11, op).DoNotHalt())
{
fixture.Expected.OpCode(OpCode.Reset).Operands(Operand.nn).WordLiteral(address);
}
}
public void ADD_HL_s(PrimaryOpCode op, Operand s)
{
using (var fixture = new DecodeFixture(3, 11, op))
{
fixture.Expected.OpCode(OpCode.Add16).Operands(Operand.HL, s);
}
}
private static void Test(PrimaryOpCode op, Operand r, OpCode expected, int machineCycles = 1, int throttlingStates = 4)
{
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op))
{
fixture.Expected.OpCode(expected).Operands(r);
}
}
private static void TestZ80Index(PrimaryOpCode prefix, PrimaryOpCode op, Operand o0, Operand o1)
{
var displacement = Rng.SByte();
using (var fixture = new DecodeFixture(5, 19, prefix, op, displacement).ThrowUnlessZ80())
{
fixture.Expected.OpCode(OpCode.Load).Operands(o0, o1).Displacement(displacement);
}
}
private static void TestByteLiteral(PrimaryOpCode op, OpCode excepted = OpCode.Input)
{
var literal = Rng.Byte();
using (var fixture = new DecodeFixture(3, 11, op, literal).ThrowOnGameboy())
{
fixture.Expected.OpCode(excepted).Operands(Operand.A, Operand.n).ByteLiteral(literal);
}
}
private static void LiteralTest(PrimaryOpCode op, OpCode expected, int machineCycles = 2, int throttlingStates = 7)
{
var literal = Rng.Byte();
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op, literal))
{
fixture.Expected.OpCode(expected).Operands(Operand.n).ByteLiteral(literal);
}
}
private static void TestCall(PrimaryOpCode op, FlagTest flagTest, int machineCycles = 3, int throttlingStates = 10, bool gameboy = true)
{
var address = Rng.Word();
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op, address).DoNotHalt().ThrowOnGameboy(!gameboy))
{
fixture.Expected.OpCode(OpCode.Call).FlagTest(flagTest).Operands(Operand.nn).WordLiteral(address);
}
}
private static void TestLiteralIndexed(PrimaryOpCode op, Operand o0, Operand o1)
{
var literal = Rng.Word();
using (var fixture = new DecodeFixture(4, 13, op, literal).NotOnGameboy())
{
fixture.Expected.OpCode(OpCode.Load).Operands(o0, o1).WordLiteral(literal);
}
}
private static void Z80Index(PrimaryOpCode op, Operand index, OpCode expected, int machineCycles = 5, int throttlingStates = 19)
{
var displacement = Rng.SByte();
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, index.GetZ80IndexPrefix(), op, displacement).ThrowUnlessZ80())
{
fixture.Expected.OpCode(expected).Operands(index).Displacement(displacement);
}
}
public void LD_dd_nn(PrimaryOpCode op, Operand dd)
{
var literal = Rng.Word();
using (var fixture = new DecodeFixture(3, 10, op, literal))
{
fixture.Expected.OpCode(OpCode.Load16).Operands(dd, Operand.nn).WordLiteral(literal);
}
}
private static void TestZ80Index(PrimaryOpCode prefix, PrimaryOpCode op, Operand o0, Operand o1, int maxhineCycles = 6, int throttlineStates = 20)
{
var literal = Rng.Word();
using (var fixture = new DecodeFixture(maxhineCycles, throttlineStates, prefix, op, literal).ThrowUnlessZ80())
{
fixture.Expected.OpCode(OpCode.Load16).Operands(o0, o1).WordLiteral(literal);
}
}
private static void Test(PrimaryOpCode op, OpCode expected, params Operand[] operands)
{
using (var fixture = new DecodeFixture(1, 4, op).NotOnGameboy())
{
fixture.Expected.OpCode(expected);
if (operands.Length == 2)
{
fixture.Expected.Operands(operands[0], operands[1]);
}
}
}
private static void Test(PrimaryOpCode op, Operand o0, Operand o1, int machineCycles = 1, int throttlingStates = 4)
{
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op))
{
if (o0 == o1)
{
fixture.Expected.OpCode(OpCode.NoOperation);
}
else
{
fixture.Expected.OpCode(OpCode.Load).Operands(o0, o1);
}
}
}
private static void Test(PrimaryOpCode op, FlagTest test = FlagTest.None, bool gameBoy = true)
{
var literal = Rng.Word();
using (var fixture = new DecodeFixture(3, 10, op, literal).DoNotHalt())
{
if (!gameBoy)
{
fixture.NotOnGameboy();
}
fixture.Expected.OpCode(OpCode.Jump).Operands(Operand.nn).WordLiteral(literal);
if (test != FlagTest.None)
{
fixture.Expected.FlagTest(test);
}
}
}
private static void TestRelative(PrimaryOpCode op, FlagTest test = FlagTest.None, bool gameBoy = true)
{
var literal = Rng.SByte();
var(machineCycles, throttlingStates) = test == FlagTest.None ? (3, 12) : (2, 7);
using (var fixture = new DecodeFixture(machineCycles, throttlingStates, op, literal).DoNotHalt())
{
if (!gameBoy)
{
fixture.NotOnGameboy();
}
fixture.Expected.OpCode(OpCode.JumpRelative).Displacement(literal);
if (test != FlagTest.None)
{
fixture.Expected.FlagTest(test);
}
}
}
public void OR_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.Or);
public void AND_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.And);
public void SBC_A_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.SubtractWithCarry);
public void SUB_A_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.Subtract);
public void ADC_A_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.AddWithCarry);
public void DEC_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.Decrement);
public void ADD_A_r(PrimaryOpCode op, Operand r) => Test(op, r, OpCode.Add);
