partial void Execute_LoadCommand()
{
var openFileDialog = new Microsoft.Win32.OpenFileDialog()
{
Filter = "HEX file (*.hex)|*.hex"
};
var result = openFileDialog.ShowDialog();
if (result ?? false)
{
var fileName = openFileDialog.FileName;
var(RAM, startAddr, endAddr) = HexFileLoader.Read(fileName, new byte[64 * 1024]);
_basicBus = new BasicBus(RAM);
RawMemory = _basicBus.RAM;
_cpu.ConnectToBus(_basicBus);
Memory = BuildMemoryMap();
_cpu.PC = startAddr;
ProgramCounter = _cpu.PC.ToString("X4");
MemoryMapRow = GetMemoryMapRow(startAddr);
var disassembly = _cpu.Disassemble(startAddr, endAddr);
DisAsm = GetDisassembedProgram(disassembly);
SelectedRow = startAddr.ToString("X4");
}
}
private void DisassembleMultiplicationHexFileCorrectly()
{
var fakeBus = A.Fake <IBus>();
var ram = HexFileReader.Read("../../../HexFiles/Multiplication.hex");
var expectedDisassembly = new Dictionary <ushort, string>
{
{ 0x8000, "LD BC,&0015" },
{ 0x8003, "LD B,&08" },
{ 0x8005, "LD DE,&002A" },
{ 0x8008, "LD D,&00" },
{ 0x800A, "LD HL,&0000" },
{ 0x800D, "SRL C" },
{ 0x800F, "JR C,$+3" },
{ 0x8011, "ADD HL,DE" },
{ 0x8012, "SLA E" },
{ 0x8014, "RL D" },
{ 0x8016, "DEC B" },
{ 0x8017, "JP NZ,&800D" },
};
A.CallTo(() => fakeBus.Read(A <ushort> ._, A <bool> ._))
.ReturnsLazily((ushort addr, bool ro) => ram[addr]);
var cpu = new Z80()
{
A = 0x00, PC = 0x8000
};
cpu.ConnectToBus(fakeBus);
var disassembledCode = cpu.Disassemble(0x8000, 0x8017);
Assert.Equal(expectedDisassembly, disassembledCode);
}
private void DisassembleDDCBandFDCBOpcodesCorrectly()
{
var fakeBus = A.Fake <IBus>();
var ram = HexFileReader.Read("../../../HexFiles/TestDDCBandFDCB.hex");
var expectedDisassembly = new Dictionary <ushort, string>
{
{ 0x8000, "RL (IX+2)" },
{ 0x8004, "RL (IY-3)" },
};
A.CallTo(() => fakeBus.Read(A <ushort> ._, A <bool> ._))
.ReturnsLazily((ushort addr, bool ro) => ram[addr]);
var cpu = new Z80()
{
A = 0x00, PC = 0x8000
};
cpu.ConnectToBus(fakeBus);
var disassembledCode = cpu.Disassemble(0x8000, 0x8007);
Assert.Equal(expectedDisassembly, disassembledCode);
}
private void DisassembleArithmetic1HexFileCorrectly()
{
var fakeBus = A.Fake <IBus>();
var expectedDisassembly = new Dictionary <ushort, string>
{
{ 0x0080, "LD A,&05" },
{ 0x0082, "LD B,&0A" },
{ 0x0084, "ADD A,B" },
{ 0x0085, "ADD A,A" },
{ 0x0086, "LD C,&0F" },
{ 0x0088, "SUB A,C" },
{ 0x0089, "LD H,&08" },
{ 0x008B, "LD L,&FF" },
{ 0x008D, "LD (HL),A" },
{ 0x008E, "NOP" },
};
var ram = HexFileReader.Read("../../../HexFiles/Arithmetic1.hex");
A.CallTo(() => fakeBus.Read(A <ushort> ._, A <bool> ._))
.ReturnsLazily((ushort addr, bool ro) => ram[addr]);
var cpu = new Z80()
{
A = 0x00, PC = 0x0080
};
cpu.ConnectToBus(fakeBus);
var disassembledCode = cpu.Disassemble(0x0080, 0x008E);
Assert.Equal(expectedDisassembly, disassembledCode);
}