Reorganise m68k instruction decoding and improve handling of MAC/EMAC

include/opcode/ChangeLog

@@ -1,3 +1,7 @@
+2004-05-24  Peter Barada  <peter@the-baradas.com>
+
+	* m68k.h: Add 'size' to m68k_opcode.
+
 2004-05-05  Peter Barada  <peter@the-baradas.com>
 
 	* m68k.h: Switch from ColdFire chip name to core variant.

include/opcode/m68k.h

@@ -73,6 +73,9 @@ struct m68k_opcode
 {
   /* The opcode name.  */
   const char *name;
+  /* The pseudo-size of the instruction(in bytes).  Used to determine
+     number of bytes necessary to disassemble the instruction.  */
+  unsigned int size;
   /* The opcode itself.  */
   unsigned long opcode;
   /* The mask used by the disassembler.  */