| /* Disassemble WDC 65816 instructions. |
| Copyright (C) 1995-2016 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; |
| } |
| } |