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Fix bug in MED mapper protection bit implementation
author Michael Pavone <pavone@retrodev.com>
date Sun, 28 Apr 2024 23:33:11 -0700
parents 4e27c36f947c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "disasm.h"
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <stddef.h>
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5
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6 label_def *find_label(disasm_context *context, uint32_t address)
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7 {
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8 char key[MAX_INT_KEY_SIZE];
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9 tern_sortable_int_key(address & context->address_mask, key);
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10 return tern_find_ptr(context->labels, key);
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11 }
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12
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13 int format_label(char *dst, uint32_t address, disasm_context *context)
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14 {
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15 label_def *def = find_label(context, address);
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16 if (def && def->num_labels) {
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17 return sprintf(dst, "%s", def->labels[0]);
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18 }
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19 return sprintf(dst, "ADR_%X", address);
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20 }
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21
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22 label_def *add_find_label(disasm_context *context, uint32_t address)
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23 {
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24 char key[MAX_INT_KEY_SIZE];
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25 tern_sortable_int_key(address & context->address_mask, key);
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26 label_def *def = tern_find_ptr(context->labels, key);
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27 if (!def)
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28 {
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29 def = calloc(1, sizeof(label_def));
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30 context->labels = tern_insert_ptr(context->labels, key, def);
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31 }
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32 def->full_address = address;
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33 return def;
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34 }
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35
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36 void weak_label(disasm_context *context, const char *name, uint32_t address)
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37 {
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38 label_def *def = add_find_label(context, address);
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39 if (def->num_labels == def->storage) {
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40 def->storage = def->storage ? def->storage * 2 : 4;
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41 def->labels = realloc(def->labels, def->storage * sizeof(char*));;
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42 }
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43 def->labels[def->num_labels++] = strdup(name);
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44 }
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45
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46 void reference(disasm_context *context, uint32_t address)
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47 {
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48 label_def *def = add_find_label(context, address);
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49 def->referenced = 1;
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50 }
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51
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52 void add_label(disasm_context *context, const char *name, uint32_t address)
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53 {
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54 reference(context, address);
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55 weak_label(context, name, address);
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56 }
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57
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58 void visit(disasm_context *context, uint32_t address)
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59 {
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60 if (!context->visited) {
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61 uint32_t size = context->address_mask + 1;
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62 size >>= context->visit_preshift;
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63 size >>= 3;
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64 context->visited = calloc(1, size);
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65 }
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66 address &= context->address_mask;
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67 address >>= context->visit_preshift;
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68 context->visited[address >> 3] |= 1 << (address & 7);
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69 }
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70
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71 uint8_t is_visited(disasm_context *context, uint32_t address)
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72 {
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73 if (!context->visited) {
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74 return 0;
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75 }
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76 address &= context->address_mask;
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77 address >>= context->visit_preshift;
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78 return (context->visited[address >> 3] & (1 << (address & 7))) != 0;
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79 }
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80
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81 void defer_disasm(disasm_context *context, uint32_t address)
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82 {
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83 if (is_visited(context, address) || address & context->invalid_inst_addr_mask) {
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84 return;
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85 }
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86 context->deferred = defer_address(context->deferred, address, NULL);
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87 }
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88
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89 void process_m68k_vectors(disasm_context *context, uint16_t *table, uint8_t labels_only)
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90 {
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91 static const char* names[] = {
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92 "access_fault",
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93 "address_error",
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94 "illegal_instruction",
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95 "integer_divide_by_zero",
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96 "chk_exception",
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97 "trap_exception",
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98 "privilege_violation",
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99 "trace_exception",
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100 "line_1010_emulator",
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101 "line_1111_emulator"
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102 };
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103 uint32_t address = table[2] << 16 | table[3];
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104 add_label(context, "start", address);
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105 if (!labels_only) {
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106 defer_disasm(context, address);
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107 }
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108 for (int i = 0; i < sizeof(names)/sizeof(*names); i++)
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109 {
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110 address = table[i*2+4] << 16 | table[i*2 + 5];
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111 add_label(context, names[i], address);
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112 if (!labels_only) {
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113 defer_disasm(context, address);
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114 }
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115 }
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116 char int_name[] = "int_0";
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117 for (int i = 0; i < 7; i++)
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118 {
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119 int_name[4] = '1' + i;
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120 address = table[i*2+50] << 16 | table[i*2 + 51];
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121 add_label(context, int_name, address);
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122 if (!labels_only) {
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123 defer_disasm(context, address);
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124 }
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125 }
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126
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127 char trap_name[] = "trap_0";
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128 for (int i = 0; i < 16; i++)
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129 {
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130 trap_name[5] = i < 0xA ? '0' + i : 'a' + i - 0xA;
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131 address = table[i*2+50] << 16 | table[i*2 + 51];
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132 add_label(context, trap_name, address);
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133 if (!labels_only) {
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134 defer_disasm(context, address);
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135 }
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136 }
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137 }
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138
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
139 void add_segacd_maincpu_labels(disasm_context *context)
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
140 {
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
141 weak_label(context, "_bios_reset", 0x280);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
142 weak_label(context, "_bios_entry", 0x284);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
143 weak_label(context, "_bios_init", 0x288);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
144 weak_label(context, "_bios_init_sp", 0x28C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
145 weak_label(context, "_bios_vint", 0x290);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
146 weak_label(context, "_bios_set_hint", 0x294);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
147 weak_label(context, "_bios_poll_io", 0x298);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
148 weak_label(context, "_bios_detect_io", 0x29C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149 weak_label(context, "_bios_clear_vram", 0x2A0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
150 weak_label(context, "_bios_clear_nmtbl", 0x2A4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 weak_label(context, "_bios_clear_vsram", 0x2A8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 weak_label(context, "_bios_init_vdp", 0x2AC);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 weak_label(context, "_bios_vdp_loadregs", 0x2B0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 weak_label(context, "_bios_vdp_fill", 0x2B4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 weak_label(context, "_bios_clear_vram_range", 0x2B8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 weak_label(context, "_bios_clear_vram_range_dma", 0x2BC);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 weak_label(context, "_bios_vram_dma_fill", 0x2C0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 weak_label(context, "_bios_update_nmtbl", 0x2C4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 weak_label(context, "_bios_update_nmtbl_template", 0x2C8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 weak_label(context, "_bios_fill_nmtbl", 0x2CC);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 weak_label(context, "_bios_vdp_dma", 0x2D0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 weak_label(context, "_bios_vdp_dma_wordram", 0x2D4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 weak_label(context, "_bios_vdp_display_enable", 0x2D8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 weak_label(context, "_bios_vdp_display_disable", 0x2DC);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 weak_label(context, "_bios_pal_buffer", 0x2E0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 weak_label(context, "_bios_pal_buffer_update", 0x2E4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 weak_label(context, "_bios_pal_dma", 0x2E8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 weak_label(context, "_bios_gfx_decomp", 0x2EC);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 weak_label(context, "_bios_gfx_decomp_ram", 0x2F0);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 weak_label(context, "_bios_update_sprites", 0x2F4);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 weak_label(context, "_bios_clear_ram", 0x2F8);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 weak_label(context, "_bios_display_sprite", 0x300);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 weak_label(context, "_bios_wait_vint", 0x304);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 weak_label(context, "_bios_wait_vint_flags", 0x308);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 weak_label(context, "_bios_dma_sat", 0x30C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 weak_label(context, "_bios_set_hint_direct", 0x314);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 weak_label(context, "_bios_disable_hint", 0x318);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 weak_label(context, "_bios_print", 0x31C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 weak_label(context, "_bios_load_user_font", 0x320);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 weak_label(context, "_bios_load_bios_font", 0x324);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 weak_label(context, "_bios_load_bios_font_default", 0x328);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 //TODO: more functions in the middle here
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 weak_label(context, "_bios_prng_mod", 0x338);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 weak_label(context, "_bios_prng", 0x33C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 weak_label(context, "_bios_clear_comm", 0x340);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 weak_label(context, "_bios_comm_update", 0x344);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 //TODO: more functions in the middle here
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 weak_label(context, "_bios_sega_logo", 0x364);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 weak_label(context, "_bios_set_vint", 0x368);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 //TODO: more functions at the end here
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 weak_label(context, "WORD_RAM", 0x200000);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 weak_label(context, "CD_RESET_IFL2", 0xA12000);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 weak_label(context, "CD_RESET_IFL2_BYTE", 0xA12001);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 weak_label(context, "CD_WRITE_PROTECT", 0xA12002);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 weak_label(context, "CD_MEM_MODE", 0xA12003);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 weak_label(context, "CDC_CTRL", 0xA12004);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 weak_label(context, "HINT_VECTOR", 0xA12006);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 weak_label(context, "CDC_HOST_DATA", 0xA12008);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 weak_label(context, "STOP_WATCH", 0xA1200C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 weak_label(context, "COMM_MAIN_FLAG", 0xA1200E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 weak_label(context, "COMM_SUB_FLAG", 0xA1200F);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 weak_label(context, "COMM_CMD0", 0xA12010);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 weak_label(context, "COMM_CMD1", 0xA12012);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 weak_label(context, "COMM_CMD2", 0xA12014);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 weak_label(context, "COMM_CMD3", 0xA12016);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 weak_label(context, "COMM_CMD4", 0xA12018);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 weak_label(context, "COMM_CMD5", 0xA1201A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 weak_label(context, "COMM_CMD6", 0xA1201C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 weak_label(context, "COMM_CMD7", 0xA1201E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 weak_label(context, "COMM_STATUS0", 0xA12020);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212 weak_label(context, "COMM_STATUS1", 0xA12022);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 weak_label(context, "COMM_STATUS2", 0xA12024);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 weak_label(context, "COMM_STATUS3", 0xA12026);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 weak_label(context, "COMM_STATUS4", 0xA12028);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 weak_label(context, "COMM_STATUS5", 0xA1202A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 weak_label(context, "COMM_STATUS6", 0xA1202C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 weak_label(context, "COMM_STATUS7", 0xA1202E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 }
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 void add_segacd_subcpu_labels(disasm_context *context)
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 {
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 weak_label(context, "bios_common_work", 0x5E80);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 weak_label(context, "_setjmptbl", 0x5F0A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 weak_label(context, "_waitvsync", 0x5F10);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 weak_label(context, "_buram", 0x5F16);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 weak_label(context, "_cdboot", 0x5F1C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 weak_label(context, "_cdbios", 0x5F22);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 weak_label(context, "_usercall0", 0x5F28);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 weak_label(context, "_usercall1", 0x5F2E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 weak_label(context, "_usercall2", 0x5F34);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 weak_label(context, "_usercall2Address", 0x5F36);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 weak_label(context, "_usercall3", 0x5F3A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 weak_label(context, "_adrerr", 0x5F40);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 weak_label(context, "_adrerrAddress", 0x5F42);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 weak_label(context, "_coderr", 0x5F46);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 weak_label(context, "_coderrAddress", 0x5F48);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 weak_label(context, "_diverr", 0x5F4C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 weak_label(context, "_diverrAddress", 0x5F4E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 weak_label(context, "_chkerr", 0x5F52);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 weak_label(context, "_chkerrAddress", 0x5F54);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 weak_label(context, "_trperr", 0x5F58);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 weak_label(context, "_trperrAddress", 0x5F5A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 weak_label(context, "_spverr", 0x5F5E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 weak_label(context, "_spverrAddress", 0x5F60);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 weak_label(context, "_trace", 0x5F64);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 weak_label(context, "_traceAddress", 0x5F66);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 weak_label(context, "_nocod0", 0x5F6A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 weak_label(context, "_nocod0Address", 0x5F6C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 weak_label(context, "_nocod0", 0x5F70);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 weak_label(context, "_nocod0Address", 0x5F72);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 weak_label(context, "_slevel1", 0x5F76);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 weak_label(context, "_slevel1Address", 0x5F78);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 weak_label(context, "_slevel2", 0x5F7C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 weak_label(context, "_slevel2Address", 0x5F7E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 weak_label(context, "_slevel3", 0x5F82);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 weak_label(context, "_slevel3Address", 0x5F84);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 weak_label(context, "WORD_RAM_2M", 0x80000);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 weak_label(context, "WORD_RAM_1M", 0xC0000);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 weak_label(context, "LED_CONTROL", 0xFFFF8000);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 weak_label(context, "VERSION_RESET", 0xFFFF8001);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 weak_label(context, "MEM_MODE_WORD", 0xFFFF8002);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 weak_label(context, "MEM_MODE_BYTE", 0xFFFF8003);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 weak_label(context, "CDC_CTRL", 0xFFFF8004);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 weak_label(context, "CDC_AR", 0xFFFF8005);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 weak_label(context, "CDC_REG_DATA_WORD", 0xFFFF8006);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 weak_label(context, "CDC_REG_DATA", 0xFFFF8007);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 weak_label(context, "CDC_HOST_DATA", 0xFFFF8008);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 weak_label(context, "CDC_DMA_ADDR", 0xFFFF800A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270 weak_label(context, "STOP_WATCH", 0xFFFF800C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 weak_label(context, "COMM_MAIN_FLAG", 0xFFFF800E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 weak_label(context, "COMM_SUB_FLAG", 0xFFFF800F);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 weak_label(context, "COMM_CMD0", 0xFFFF8010);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 weak_label(context, "COMM_CMD1", 0xFFFF8012);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 weak_label(context, "COMM_CMD2", 0xFFFF8014);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 weak_label(context, "COMM_CMD3", 0xFFFF8016);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 weak_label(context, "COMM_CMD4", 0xFFFF8018);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 weak_label(context, "COMM_CMD5", 0xFFFF801A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 weak_label(context, "COMM_CMD6", 0xFFFF801C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 weak_label(context, "COMM_CMD7", 0xFFFF801E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 weak_label(context, "COMM_STATUS0", 0xFFFF8020);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 weak_label(context, "COMM_STATUS1", 0xFFFF8022);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 weak_label(context, "COMM_STATUS2", 0xFFFF8024);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 weak_label(context, "COMM_STATUS3", 0xFFFF8026);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285 weak_label(context, "COMM_STATUS4", 0xFFFF8028);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 weak_label(context, "COMM_STATUS5", 0xFFFF802A);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287 weak_label(context, "COMM_STATUS6", 0xFFFF802C);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288 weak_label(context, "COMM_STATUS7", 0xFFFF802E);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 weak_label(context, "TIMER_WORD", 0xFFFF8030);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 weak_label(context, "TIMER", 0xFFFF8031);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 weak_label(context, "INT_MASK_WORD", 0xFFFF8032);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 weak_label(context, "INT_MASK", 0xFFFF8033);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 weak_label(context, "CDD_FADER", 0xFFFF8034);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 weak_label(context, "CDD_CTRL_WORD", 0xFFFF8036);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 weak_label(context, "CDD_CTRL_BYTE", 0xFFFF8037);
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 }
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 disasm_context *create_68000_disasm(void)
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 {
4c265d2f6c88 Minor refactor of 68K disassembler
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parents:
diff changeset
300 disasm_context *context = calloc(1, sizeof(disasm_context));
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 context->address_mask = 0xFFFFFF;
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 context->invalid_inst_addr_mask = 1;
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
303 context->visit_preshift = 1;
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
304 return context;
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305 }
4c265d2f6c88 Minor refactor of 68K disassembler
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306
2216
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
307 disasm_context *create_z80_disasm(void)
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
308 {
4e27c36f947c Add disassemble command to debugger
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parents: 2214
diff changeset
309 disasm_context *context = calloc(1, sizeof(disasm_context));
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
310 context->address_mask = 0xFFFF;
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
311 context->invalid_inst_addr_mask = 0;
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
312 context->visit_preshift = 0;
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
313 return context;
4e27c36f947c Add disassemble command to debugger
Michael Pavone <pavone@retrodev.com>
parents: 2214
diff changeset
314 }