private void MakeTrace(long _cycleCount)
{
int[] regs = new int[12];
LibEmu83.TI83_GetRegs(Context, regs);
ushort PC = (ushort)regs[10];
string disasm = Z80A.Disassemble(PC, addr => LibEmu83.TI83_ReadMemory(Context, addr), out int bytes_read);
string byte_code = null;
for (ushort i = 0; i < bytes_read; i++)
{
byte_code += $"{LibEmu83.TI83_ReadMemory(Context, (ushort)(PC + i)):X2}";
if (i < (bytes_read - 1))
{
byte_code += " ";
}
}
Tracer.Put(new(
disassembly:
$"{PC:X4}: {byte_code,-12} {disasm,-26}",
registerInfo:
$"AF:{regs[0]:X4} BC:{regs[1]:X4} DE:{regs[2]:X4} HL:{regs[3]:X4} IX:{regs[8]:X4} IY:{regs[9]:X4} SP:{regs[11]:X4} Cy:{_cycleCount}"
));
}
static Emu83()
{
var resolver = new DynamicLibraryImportResolver(
OSTailoredCode.IsUnixHost ? "libemu83.so" : "libemu83.dll", hasLimitedLifetime: false);
LibEmu83 = BizInvoker.GetInvoker <LibEmu83>(resolver, CallingConventionAdapters.Native);
}
public void Dispose()
{
if (Context != IntPtr.Zero)
{
LibEmu83.TI83_DestroyContext(Context);
Context = IntPtr.Zero;
}
}
public void SaveStateBinary(BinaryWriter writer)
{
if (!LibEmu83.TI83_SaveState(Context, _stateBuf))
{
throw new Exception($"{nameof(LibEmu83.TI83_SaveState)}() returned false");
}
writer.Write(_stateBuf.Length);
writer.Write(_stateBuf);
// other variables
writer.Write(IsLagFrame);
writer.Write(LagCount);
writer.Write(Frame);
}
public bool FrameAdvance(IController controller, bool render, bool renderSound)
{
_controller = controller;
LibEmu83.TI83_SetTraceCallback(Context, Tracer.IsEnabled() ? _traceCallback : null);
IsLagFrame = LibEmu83.TI83_Advance(Context, _controller.IsPressed("ON"), _controller.IsPressed("SEND"), render ? _videoBuffer : null, _settings.BGColor, _settings.ForeColor);
Frame++;
if (IsLagFrame)
{
LagCount++;
}
return(true);
}
public IDictionary <string, RegisterValue> GetCpuFlagsAndRegisters()
{
int[] regs = new int[12];
LibEmu83.TI83_GetRegs(Context, regs);
return(new Dictionary <string, RegisterValue>
{
["AF"] = (ushort)regs[0],
["BC"] = (ushort)regs[1],
["DE"] = (ushort)regs[2],
["HL"] = (ushort)regs[3],
["AF'"] = (ushort)regs[4],
["BC'"] = (ushort)regs[5],
["DE'"] = (ushort)regs[6],
["HL'"] = (ushort)regs[7],
["IX"] = (ushort)regs[8],
["IY"] = (ushort)regs[9],
["PC"] = (ushort)regs[10],
["SP"] = (ushort)regs[11],
});
}
public void LoadStateBinary(BinaryReader reader)
{
int length = reader.ReadInt32();
if (length != _stateBuf.Length)
{
throw new InvalidOperationException("Savestate buffer size mismatch!");
}
reader.Read(_stateBuf, 0, _stateBuf.Length);
if (!LibEmu83.TI83_LoadState(Context, _stateBuf))
{
throw new Exception($"{nameof(LibEmu83.TI83_LoadState)}() returned false");
}
// other variables
IsLagFrame = reader.ReadBoolean();
LagCount = reader.ReadInt32();
Frame = reader.ReadInt32();
}