public virtual void TestDataRegs()
{
for (int r = 0; r < 7; r++)
{
cpu.SetDataRegisterByte(r, 0xaa);
Assert.Equal(0xaa, cpu.GetDataRegisterByte(r));
Assert.Equal(0xaa, cpu.GetDataRegisterWord(r));
Assert.Equal(0xaa, cpu.GetDataRegisterLong(r));
Assert.Equal(-86, cpu.GetDataRegisterByteSigned(r));
Assert.Equal(170, cpu.GetDataRegisterWordSigned(r));
cpu.SetDataRegisterWord(r, 0xa5a5);
Assert.Equal(0xa5, cpu.GetDataRegisterByte(r));
Assert.Equal(0xa5a5, cpu.GetDataRegisterWord(r));
Assert.Equal(0xa5a5, cpu.GetDataRegisterLong(r));
Assert.Equal(-91, cpu.GetDataRegisterByteSigned(r));
Assert.Equal(-23131, cpu.GetDataRegisterWordSigned(r));
cpu.SetDataRegisterLong(r, -2054847099);
Assert.Equal(0x85, cpu.GetDataRegisterByte(r));
Assert.Equal(0x8585, cpu.GetDataRegisterWord(r));
Assert.Equal(-2054847099, cpu.GetDataRegisterLong(r));
Assert.Equal(-123, cpu.GetDataRegisterByteSigned(r));
Assert.Equal(-31355, cpu.GetDataRegisterWordSigned(r));
cpu.SetDataRegisterLong(r, 305419896);
Assert.Equal(0x78, cpu.GetDataRegisterByte(r));
Assert.Equal(0x5678, cpu.GetDataRegisterWord(r));
Assert.Equal(305419896, cpu.GetDataRegisterLong(r));
Assert.Equal(0x78, cpu.GetDataRegisterByteSigned(r));
Assert.Equal(0x5678, cpu.GetDataRegisterWordSigned(r));
}
}
protected void DumpInfo()
{
writer.WriteLine();
writer.WriteLine("D0: {0} D4: {1} A0: {2} A4: {3} PC: {4}",
cpu.GetDataRegisterLong(0).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetDataRegisterLong(4).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(0).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(4).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetPC().ToString("x8", CultureInfo.InvariantCulture));
writer.WriteLine("D1: {0} D5: {1} A1: {2} A5: {3} SR: {4} {5}",
cpu.GetDataRegisterLong(1).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetDataRegisterLong(5).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(1).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(5).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetSR().ToString("x4", CultureInfo.InvariantCulture),
MakeFlagView());
writer.WriteLine("D2: {0} D6: {1} A2: {2} A6: {3} USP: {4}",
cpu.GetDataRegisterLong(2).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetDataRegisterLong(6).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(2).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(6).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetUSP());
writer.WriteLine("D3: {0} D7: {1} A3: {2} A7: {3} SSP: {4}",
cpu.GetDataRegisterLong(3).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetDataRegisterLong(7).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(3).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetAddrRegisterLong(7).ToString("x8", CultureInfo.InvariantCulture),
cpu.GetSSP().ToString("x8", CultureInfo.InvariantCulture));
buffer.Clear();
int addr = cpu.GetPC();
if (addr < 0 || addr >= memory.Size())
{
buffer.Append($"{addr.ToString("x8", CultureInfo.InvariantCulture)} ????");
}
else
{
int opcode = cpu.ReadMemoryWord(addr);
IInstruction i = cpu.GetInstructionFor(opcode);
DisassembledInstruction di = i.Disassemble(addr, opcode);
if (showBytes)
{
di.FormatInstruction(buffer);
}
else
{
di.ShortFormat(buffer);
}
}
writer.WriteLine($"==> {buffer}{Environment.NewLine}");
}
