From 66dea10b0b3a416d6226dd7846781316eaa96e72 Mon Sep 17 00:00:00 2001
From: feos <feos-theos@yandex.ru>
Date: Sun, 21 Feb 2016 20:34:56 +0300
Subject: [PATCH] tracer: print prettily for gpgx. todo: fix its regs that
 start with ffffffff, fix failing to print to window.

---
 .../Consoles/Sega/gpgx/GPGX.ITraceable.cs        | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.ITraceable.cs b/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.ITraceable.cs
index 06cd7c5fe7..03440fb26f 100644
--- a/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.ITraceable.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.ITraceable.cs
@@ -40,9 +40,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 			// TODO: think about this
 			private readonly IMemoryDomains MemoryDomains;
 			private readonly IDisassemblable Disassembler;
-
 			private readonly IDebuggable DebuggableCore;
-
 			private readonly StringBuilder Buffer;
 
 			private bool _enabled;
@@ -50,9 +48,19 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 			private void TraceFromCallback()
 			{
 				var regs = DebuggableCore.GetCpuFlagsAndRegisters();
-				foreach(var r in regs)
+				uint pc = (uint)regs["M68K PC"].Value;
+				var length = 0;
+				var disasm = Disassembler.Disassemble(MemoryDomains.SystemBus, pc, out length);
+
+				// feos: we shouldn't append up to 64, but momem.l prints all the regs, while it could do like D0-A6 (as Gens-Tracer does it)
+				Buffer.Append(string.Format("{0:X6}:  {1,-64}", pc, disasm));
+
+				foreach (var r in regs)
 				{
-					Buffer.Append(string.Format("{0} {1}", r.Key, r.Value.Value));
+					if (r.Key.StartsWith("M68K"))
+					{
+						Buffer.Append(string.Format("{0}:{1:X8}", r.Key, r.Value.Value).Remove(0,4));
+					}
 				}
 
 				Buffer.AppendLine();