BizHawk/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.ITraceable.cs

67 lines
1.9 KiB
C#

using BizHawk.Emulation.Common;
using System;
using System.Collections.Generic;
using System.Text;
using BizHawk.Common.NumberExtensions;
namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
{
public partial class GPGX
{
private readonly ITraceable Tracer;
public class GPGXTraceBuffer : CallbackBasedTraceBuffer
{
public GPGXTraceBuffer(IDebuggable debuggableCore, IMemoryDomains memoryDomains, IDisassemblable disassembler)
: base(debuggableCore, memoryDomains, disassembler)
{
Header = "M68K: PC, machine code, mnemonic, operands, registers (D0-D7, A0-A7, SR, USP), flags (XNZVC)";
}
protected override void TraceFromCallback()
{
var regs = DebuggableCore.GetCpuFlagsAndRegisters();
uint pc = (uint)regs["M68K PC"].Value;
int length;
var disasm = Disassembler.Disassemble(MemoryDomains.SystemBus, pc & 0xFFFFFF, out length);
var traceInfo = new TraceInfo
{
Disassembly = string.Format("{0:X6}: {1}", pc, disasm).PadRight(50)
};
var sb = new StringBuilder();
foreach (var r in regs)
{
if (r.Key.StartsWith("M68K")) // drop Z80 regs until it has its own debugger/tracer
{
if (r.Key != "M68K SP" && r.Key != "M68K ISP" && // copies of a7
r.Key != "M68K PC" && // already present in every line start
r.Key != "M68K IR") // copy of last opcode, already shown in raw bytes
{
sb.Append(
string.Format("{0}:{1} ",
r.Key.Replace("M68K", "").Trim(),
r.Value.Value.ToHexString(r.Value.BitSize / 4)));
}
}
}
var sr = regs["M68K SR"].Value;
sb.Append(
string.Format("{0}{1}{2}{3}{4}",
(sr & 16) > 0 ? "X" : "x",
(sr & 8) > 0 ? "N" : "n",
(sr & 4) > 0 ? "Z" : "z",
(sr & 2) > 0 ? "V" : "v",
(sr & 1) > 0 ? "C" : "c"));
traceInfo.RegisterInfo = sb.ToString().Trim();
Put(traceInfo);
}
}
}
}