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