Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master

1 files changed, 98 insertions, 0 deletions

diff --git a/opcodes/w65-dis.c b/opcodes/w65-dis.c
new file mode 100644
index 0000000..9a5bde1
--- /dev/null
+++ b/opcodes/w65-dis.c
@@ -0,0 +1,98 @@
+/* Disassemble WDC 65816 instructions.
+   Copyright (C) 1995-2014 Free Software Foundation, Inc.
+
+   This file is part of the GNU opcodes library.
+
+   This library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   It is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include <stdio.h>
+
+#define STATIC_TABLE
+#define DEFINE_TABLE
+
+#include "w65-opc.h"
+#include "dis-asm.h"
+
+static fprintf_ftype fpr;
+static void *stream;
+static struct disassemble_info *local_info;
+
+static void
+print_operand (int lookup, char *format, int *args)
+{
+  int val;
+  int c;
+
+  while (*format)
+    {
+      switch (c = *format++)
+	{
+	case '$':
+	  val = args[(*format++) - '0'];
+	  if (lookup)
+	    local_info->print_address_func (val, local_info);
+	  else
+	    fpr (stream, "0x%x", val);
+
+	  break;
+	default:
+	  fpr (stream, "%c", c);
+	  break;
+	}
+    }
+}
+
+int
+print_insn_w65 (bfd_vma memaddr, struct disassemble_info *info)
+{
+  int status = 0;
+  unsigned char insn[4];
+  const struct opinfo *op;
+  int i;
+  int X = 0;
+  int M = 0;
+  int args[2];
+
+  stream = info->stream;
+  fpr = info->fprintf_func;
+  local_info = info;
+
+  for (i = 0; i < 4 && status == 0; i++)
+    status = info->read_memory_func (memaddr + i, insn + i, 1, info);
+
+  for (op = optable; op->val != insn[0]; op++)
+    ;
+
+  fpr (stream, "%s", op->name);
+
+  /* Prepare all the posible operand values.  */
+  {
+    int size = 1;
+    int asR_W65_ABS8 = insn[1];
+    int asR_W65_ABS16 = (insn[2] << 8) + asR_W65_ABS8;
+    int asR_W65_ABS24 = (insn[3] << 16) + asR_W65_ABS16;
+    int asR_W65_PCR8 = ((char) (asR_W65_ABS8)) + memaddr + 2;
+    int asR_W65_PCR16 = ((short) (asR_W65_ABS16)) + memaddr + 3;
+
+    switch (op->amode)
+      {
+	DISASM ();
+      }
+
+    return size;
+  }
+}