* m10300-opc.c (mn10300_opcodes): Fix opcode for 4 operand "mul" and
[deliverable/binutils-gdb.git] / opcodes / w65-dis.c
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1/* Disassemble WDC 65816 instructions.
2 Copyright (C) 1995 Free Software Foundation, Inc.
3
4This program is free software; you can redistribute it and/or modify
5it under the terms of the GNU General Public License as published by
6the Free Software Foundation; either version 2 of the License, or
7(at your option) any later version.
8
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License
15along with this program; if not, write to the Free Software
16Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
17
18#include <stdio.h>
19#define STATIC_TABLE
20#define DEFINE_TABLE
21
22#include "w65-opc.h"
23#include "dis-asm.h"
24
25static fprintf_ftype fpr;
26static void *stream;
27static struct disassemble_info *local_info;
28#if 0
29static char *lname[] = {"r0","r1","r2","r3","r4","r5","r6","r7","s0"};
30
31static char *findname (val)
32 unsigned int val;
33{
34 if (val >= 0x10 && val <= 0x20)
35 return lname[(val - 0x10) / 2];
36 return 0;
37}
38#endif
39static void
40print_operand (lookup, format, args)
41 int lookup;
42 char *format;
43 unsigned int *args;
44{
45 int val;
46 int c;
47 char *name;
48 while (*format)
49 {
50 switch ( c = *format++)
51 {
52 case '$':
53 val = args[(*format++) - '0'];
54 if (lookup)
55 {
56#if 0
57 name = findname(val);
58 if (name)
59 fpr(stream, "%s", name);
60 else
61#endif
62 local_info->print_address_func (val, local_info);
63 }
64 else
65 fpr (stream, "0x%x", val);
66
67 break;
68 default:
69 fpr(stream,"%c", c);
70 break;
71 }
72 }
73}
74int
75print_insn_w65(memaddr, info)
76 bfd_vma memaddr;
77 struct disassemble_info *info;
78{
79
80
81 int status = 0;
82 unsigned char insn[4];
83 register struct opinfo *op;
84 int i;
85 int X =0;
86 int M = 0;
87 int args[2];
88stream = info->stream;
89 fpr = info->fprintf_func;
90local_info = info;
91 for (i = 0; i <4 && status == 0; i++)
92 {
93 status = info->read_memory_func(memaddr+i, insn + i, 1, info);
94 }
95
96
97 for (op = optable; op->val != insn[0]; op++)
98 ;
99
100 fpr(stream,"%s", op->name);
101
102 /* Prepare all the posible operand values */
103 {
104 int size = 1;
105 int asR_W65_ABS8 = insn[1];
106 int asR_W65_ABS16 = (insn[2] << 8) + asR_W65_ABS8;
107 int asR_W65_ABS24 = (insn[3] << 16) + asR_W65_ABS16;
108 int asR_W65_PCR8 = ((char)(asR_W65_ABS8)) + memaddr + 2;
109 int asR_W65_PCR16 = ((short)(asR_W65_ABS16)) + memaddr + 3;
110
111 switch (op->amode) {
112 DISASM();
113 }
114
115 return size;
116 }
117
118}
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