+static void
+disassemble (bfd_vma memaddr,
+ struct disassemble_info *info,
+ unsigned long insn,
+ unsigned long extension,
+ unsigned int size)
+{
+ struct mn10200_opcode *op = (struct mn10200_opcode *)mn10200_opcodes;
+ const struct mn10200_operand *operand;
+ int match = 0;
+
+ /* Find the opcode. */
+ while (op->name)
+ {
+ int mysize, extra_shift;
+
+ if (op->format == FMT_1)
+ mysize = 1;
+ else if (op->format == FMT_2
+ || op->format == FMT_4)
+ mysize = 2;
+ else if (op->format == FMT_3
+ || op->format == FMT_5)
+ mysize = 3;
+ else if (op->format == FMT_6)
+ mysize = 4;
+ else if (op->format == FMT_7)
+ mysize = 5;
+ else
+ abort ();
+
+ if (op->format == FMT_2 || op->format == FMT_5)
+ extra_shift = 8;
+ else if (op->format == FMT_3
+ || op->format == FMT_6
+ || op->format == FMT_7)
+ extra_shift = 16;
+ else
+ extra_shift = 0;
+
+ if ((op->mask & insn) == op->opcode
+ && size == (unsigned int) mysize)
+ {
+ const unsigned char *opindex_ptr;
+ unsigned int nocomma;
+ int paren = 0;
+
+ match = 1;
+ (*info->fprintf_func) (info->stream, "%s\t", op->name);
+
+ /* Now print the operands. */
+ for (opindex_ptr = op->operands, nocomma = 1;
+ *opindex_ptr != 0;
+ opindex_ptr++)
+ {
+ unsigned long value;
+
+ operand = &mn10200_operands[*opindex_ptr];
+
+ if ((operand->flags & MN10200_OPERAND_DREG) != 0
+ || (operand->flags & MN10200_OPERAND_AREG) != 0)
+ value = ((insn >> (operand->shift + extra_shift))
+ & ((1 << operand->bits) - 1));
+ else if ((operand->flags & MN10200_OPERAND_EXTENDED) != 0)
+ {
+ value = (insn & 0xffff) << 8;
+ value |= extension;
+ }
+ else
+ value = ((insn >> (operand->shift))
+ & ((1L << operand->bits) - 1L));
+
+ if ((operand->flags & MN10200_OPERAND_SIGNED) != 0)
+ value = ((long)(value << (32 - operand->bits))
+ >> (32 - operand->bits));
+
+ if (!nocomma
+ && (!paren
+ || ((operand->flags & MN10200_OPERAND_PAREN) == 0)))
+ (*info->fprintf_func) (info->stream, ",");
+
+ nocomma = 0;
+
+ if ((operand->flags & MN10200_OPERAND_DREG) != 0)
+ (*info->fprintf_func) (info->stream, "d%ld", value);
+
+ else if ((operand->flags & MN10200_OPERAND_AREG) != 0)
+ (*info->fprintf_func) (info->stream, "a%ld", value);
+
+ else if ((operand->flags & MN10200_OPERAND_PSW) != 0)
+ (*info->fprintf_func) (info->stream, "psw");
+
+ else if ((operand->flags & MN10200_OPERAND_MDR) != 0)
+ (*info->fprintf_func) (info->stream, "mdr");
+
+ else if ((operand->flags & MN10200_OPERAND_PAREN) != 0)
+ {
+ if (paren)
+ (*info->fprintf_func) (info->stream, ")");
+ else
+ {
+ (*info->fprintf_func) (info->stream, "(");
+ nocomma = 1;
+ }
+ paren = !paren;
+ }
+
+ else if ((operand->flags & MN10200_OPERAND_PCREL) != 0)
+ (*info->print_address_func)
+ ((value + memaddr + mysize) & 0xffffff, info);
+
+ else if ((operand->flags & MN10200_OPERAND_MEMADDR) != 0)
+ (*info->print_address_func) (value, info);
+
+ else
+ (*info->fprintf_func) (info->stream, "%ld", value);
+ }
+ /* All done. */
+ break;
+ }
+ op++;
+ }
+
+ if (!match)
+ (*info->fprintf_func) (info->stream, _("unknown\t0x%04lx"), insn);
+}