From 6cab49fd0732432ce87b5f7ce4437ad8d4068bd0 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Mon, 5 May 2008 20:08:08 +0000
Subject: [PATCH] code region dump added for Musashi

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@439 be3aeb3a-fb24-0410-a615-afba39da0efa
---
 Pico/Sek.c             | 27 +++++++++++++++++++++++++++
 cpu/musashi/Makefile   |  2 ++
 cpu/musashi/m68kconf.h |  3 ++-
 3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/Pico/Sek.c b/Pico/Sek.c
index 84d7807..ac12580 100644
--- a/Pico/Sek.c
+++ b/Pico/Sek.c
@@ -193,3 +193,30 @@ PICO_INTERNAL void SekSetRealTAS(int use_real)
 #endif
 }
 
+#if defined(EMU_M68K) && M68K_INSTRUCTION_HOOK == OPT_SPECIFY_HANDLER
+static unsigned char op_flags[0x400000/2] = { 0, };
+static int atexit_set = 0;
+
+static void make_idc(void)
+{
+  FILE *f = fopen("idc.idc", "w");
+  int i;
+  if (!f) return;
+  fprintf(f, "#include <idc.idc>\nstatic main() {\n");
+  for (i = 0; i < 0x400000/2; i++)
+    if (op_flags[i] != 0)
+      fprintf(f, "  MakeCode(0x%06x);\n", i*2);
+  fprintf(f, "}\n");
+  fclose(f);
+}
+
+void instruction_hook(void)
+{
+  if (!atexit_set) {
+    atexit(make_idc);
+    atexit_set = 1;
+  }
+  if (REG_PC < 0x400000)
+    op_flags[REG_PC/2] = 1;
+}
+#endif
diff --git a/cpu/musashi/Makefile b/cpu/musashi/Makefile
index 10ec952..5ace7da 100644
--- a/cpu/musashi/Makefile
+++ b/cpu/musashi/Makefile
@@ -1,3 +1,5 @@
+all : m68kops.c
+
 m68kops.c : m68kmake
 	./$<
 
diff --git a/cpu/musashi/m68kconf.h b/cpu/musashi/m68kconf.h
index 0079871..730cf98 100644
--- a/cpu/musashi/m68kconf.h
+++ b/cpu/musashi/m68kconf.h
@@ -155,7 +155,8 @@
  * instruction.
  */
 #define M68K_INSTRUCTION_HOOK       OPT_OFF
-#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
+//#define M68K_INSTRUCTION_HOOK       OPT_SPECIFY_HANDLER
+#define M68K_INSTRUCTION_CALLBACK() instruction_hook()
 
 
 /* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
-- 
2.39.2