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408
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1 /*
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2 lwdisasm.h
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3
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4 Copyright © 2010 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 #ifndef ____lwdisasm_h_seen____
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23 #define ____lwdisasm_h_seen____
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24
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25 #include <stdint.h>
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26
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27 enum
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28 {
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29 INPUT_RAW = 0,
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30 INPUT_DECB,
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31 INPUT_OBJ,
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32 INPUT_OS9
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33 };
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34
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35 enum
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36 {
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37 TARGET_6809 = 0,
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38 TARGET_6309
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39 };
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40
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41 enum
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42 {
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43 ADDR_DIR = 0,
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44 ADDR_EXT,
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45 ADDR_IND,
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46 ADDR_IMM8,
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47 ADDR_IMM16,
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48 ADDR_IMM32,
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49 ADDR_INH,
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50 ADDR_RTOR,
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409
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51 ADDR_PSHPULS,
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52 ADDR_PSHPULU,
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408
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53 ADDR_IMM8DIR,
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54 ADDR_IMM8IND,
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55 ADDR_IMM8EXT,
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56 ADDR_BITBIT,
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57 ADDR_REL8,
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58 ADDR_REL16,
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59 ADDR_PAGE1,
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60 ADDR_PAGE2,
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61 ADDR_TFMPP,
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62 ADDR_TFMMM,
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63 ADDR_TFMPC,
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64 ADDR_TFMCP
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65 };
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66
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409
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67
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68 typedef struct rangedata_s rangedata_t;
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69 struct rangedata_s
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70 {
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71 int min;
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72 int max;
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73 int type;
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74 rangedata_t *next;
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75 rangedata_t *prev;
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76 };
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77
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78 typedef struct symbol_s symbol_t;
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79 struct symbol_s
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80 {
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81 int address;
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82 int section;
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83 char *symbol;
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84 symbol_t *next;
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85 };
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86
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87 typedef struct linedata_s linedata_t;
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88 struct linedata_s
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89 {
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90 int address;
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91 int sectionref;
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92 int length;
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93 int type;
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94 int target;
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95 char *disasm;
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96 uint8_t *bytes;
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97 int isref;
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98 symbol_t *symbol;
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99 linedata_t *next;
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100 linedata_t *prev;
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101 };
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102 typedef struct instab_s
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103 {
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104 char *op; // mneumonic
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105 int addrmode; // addressing mode
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106 } instab_t;
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107
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408
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108 typedef struct disasmstate_s
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109 {
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110 int input_type;
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111 int debug_level;
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112 char *output_file;
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113 char *input_file;
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114 int target;
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115 uint8_t *filedata; // the file data
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116 long filelen; // length of the file data
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117 int base; // base address (raw)
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118 int entry; // entry address
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409
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119 int dpval; // DP value
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120 linedata_t *lhead; // start of lines table
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121 linedata_t *ltail; // end of lines table
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122 rangedata_t *rhead; // start of range table
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123 rangedata_t *rtail; // end of range table
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124
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125 instab_t *page0; // instruction table 0
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126 instab_t *page1; // instruction table 1
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127 instab_t *page2; // instruction table 2
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128
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129 int curoff; // current disassembly point
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130 rangedata_t *crange; // current range
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131
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132 symbol_t *symbols; // symbol tables
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408
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133 } disasmstate_t;
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134
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135
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136
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137 extern instab_t page0_6809[];
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138 extern instab_t page1_6809[];
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139 extern instab_t page2_6809[];
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140
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141 extern instab_t page0_6309[];
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142 extern instab_t page1_6309[];
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143 extern instab_t page2_6309[];
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144
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409
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145 enum
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146 {
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147 type_code = 0,
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148 type_data = 1
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149 };
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150
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151 extern void register_range(disasmstate_t *as, int min, int max, int type);
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152 extern rangedata_t *lookup_range(disasmstate_t *as, int addr);
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153 extern int fetch_byte(disasmstate_t *as);
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154 extern linedata_t *disasm_insn(disasmstate_t *as);
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155 extern symbol_t *register_symbol(disasmstate_t *as, int addr, int section, char *symbol);
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156 extern void attach_symbols(disasmstate_t *as);
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157 extern void redisasm_insn(disasmstate_t *as, linedata_t *l);
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158 extern symbol_t *find_symbol(disasmstate_t *as, int addr, int section);
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408
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159 #endif // ____lwdisasm_h_seen____
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