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annotate romdb.c @ 1513:8f3b6a64b658

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Initial work on MegaWiFi support
author Michael Pavone <pavone@retrodev.com>
date Mon, 15 Jan 2018 09:04:43 -0800
parents 1e3e0205640f
children 1f745318f10a
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1 #include <stdlib.h>
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2 #include <string.h>
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3 #include "config.h"
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4 #include "romdb.h"
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5 #include "util.h"
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5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
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6 #include "hash.h"
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7 #include "genesis.h"
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8 #include "menu.h"
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9 #include "xband.h"
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23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
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10 #include "realtec.h"
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11 #include "nor.h"
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f7d653bb8899 Move Sega mapper implementation out of romdb.c
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12 #include "sega_mapper.h"
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13 #include "multi_game.h"
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14 #include "megawifi.h"
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15
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16 #define DOM_TITLE_START 0x120
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17 #define DOM_TITLE_END 0x150
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18 #define TITLE_START DOM_TITLE_END
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19 #define TITLE_END (TITLE_START+48)
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20 #define ROM_END 0x1A4
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21 #define RAM_ID 0x1B0
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22 #define RAM_FLAGS 0x1B2
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23 #define RAM_START 0x1B4
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24 #define RAM_END 0x1B8
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25 #define REGION_START 0x1F0
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26
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27 char const *save_type_name(uint8_t save_type)
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28 {
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29 if (save_type == SAVE_I2C) {
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30 return "EEPROM";
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31 } else if(save_type == SAVE_NOR) {
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32 return "NOR Flash";
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33 }
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34 return "SRAM";
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35 }
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36
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37 tern_node *load_rom_db()
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38 {
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39 tern_node *db = parse_bundled_config("rom.db");
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40 if (!db) {
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
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41 fatal_error("Failed to load ROM DB\n");
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42 }
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43 return db;
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44 }
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45
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46 void free_rom_info(rom_info *info)
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47 {
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48 free(info->name);
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49 if (info->save_type != SAVE_NONE) {
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50 free(info->save_buffer);
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51 if (info->save_type == SAVE_I2C) {
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52 free(info->eeprom_map);
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53 }
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54 }
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55 free(info->map);
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56 free(info->port1_override);
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57 free(info->port2_override);
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58 free(info->ext_override);
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59 free(info->mouse_mode);
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60 }
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61
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62 void cart_serialize(system_header *sys, serialize_buffer *buf)
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63 {
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64 if (sys->type != SYSTEM_GENESIS) {
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65 return;
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66 }
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67 genesis_context *gen = (genesis_context *)sys;
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68 if (gen->mapper_type == MAPPER_NONE) {
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69 return;
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70 }
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71 start_section(buf, SECTION_MAPPER);
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72 save_int8(buf, gen->mapper_type);
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73 switch(gen->mapper_type)
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74 {
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75 case MAPPER_SEGA:
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76 sega_mapper_serialize(gen, buf);
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77 break;
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78 case MAPPER_REALTEC:
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79 realtec_serialize(gen, buf);
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80 break;
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81 case MAPPER_XBAND:
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82 xband_serialize(gen, buf);
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83 break;
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84 case MAPPER_MULTI_GAME:
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85 multi_game_serialize(gen, buf);
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86 break;
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87 }
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88 end_section(buf);
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89 }
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90
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91 void cart_deserialize(deserialize_buffer *buf, void *vcontext)
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92 {
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93 genesis_context *gen = vcontext;
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94 uint8_t mapper_type = load_int8(buf);
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95 if (mapper_type != gen->mapper_type) {
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96 warning("Mapper type mismatch, skipping load of mapper state");
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97 return;
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98 }
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99 switch(gen->mapper_type)
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100 {
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101 case MAPPER_SEGA:
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102 sega_mapper_deserialize(buf, gen);
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103 break;
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104 case MAPPER_REALTEC:
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105 realtec_deserialize(buf, gen);
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106 break;
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107 case MAPPER_XBAND:
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108 xband_deserialize(buf, gen);
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109 break;
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110 case MAPPER_MULTI_GAME:
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111 multi_game_deserialize(buf, gen);
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112 break;
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113 }
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114 }
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115
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116 char *get_header_name(uint8_t *rom)
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117 {
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118 //TODO: Should probably prefer the title field that corresponds to the user's region preference
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119 uint8_t *last = rom + TITLE_END - 1;
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120 uint8_t *src = rom + TITLE_START;
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121
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122 for (;;)
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123 {
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124 while (last > src && (*last <= 0x20 || *last >= 0x80))
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125 {
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126 last--;
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127 }
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128 if (last == src) {
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129 if (src == rom + TITLE_START) {
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130 src = rom + DOM_TITLE_START;
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131 last = rom + DOM_TITLE_END - 1;
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132 } else {
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133 return strdup("UNKNOWN");
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134 }
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135 } else {
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136 last++;
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137 char *ret = malloc(last - src + 1);
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138 uint8_t *dst;
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139 uint8_t last_was_space = 1;
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parents: 938
diff changeset
140 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
141 {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
142 if (*src >= 0x20 && *src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
143 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
144 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
145 continue;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
146 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
147 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
148 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
149 last_was_space = 0;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
150 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
151 *(dst++) = *src;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
152 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
153 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
154 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
155 return ret;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
160 char *region_chars = "JUEW";
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
161 uint8_t region_bits[] = {REGION_J, REGION_U, REGION_E, REGION_J|REGION_U|REGION_E};
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
162
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
163 uint8_t translate_region_char(uint8_t c)
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
164 {
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
165 for (int i = 0; i < sizeof(region_bits); i++)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
166 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
167 if (c == region_chars[i]) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
168 return region_bits[i];
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
169 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
170 }
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
171 uint8_t bin_region = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
172 if (c >= '0' && c <= '9') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
173 bin_region = c - '0';
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
174 } else if (c >= 'A' && c <= 'F') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
175 bin_region = c - 'A' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
176 } else if (c >= 'a' && c <= 'f') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
177 bin_region = c - 'a' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
178 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
179 uint8_t ret = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
180 if (bin_region & 8) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
181 ret |= REGION_E;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
182 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
183 if (bin_region & 4) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
184 ret |= REGION_U;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
185 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
186 if (bin_region & 1) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
187 ret |= REGION_J;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
188 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
189 return ret;
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
190 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
191
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
192 uint8_t get_header_regions(uint8_t *rom)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
193 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
194 uint8_t regions = 0;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
195 for (int i = 0; i < 3; i++)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
196 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
197 regions |= translate_region_char(rom[REGION_START + i]);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
198 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
199 return regions;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
200 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
201
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
202 uint32_t get_u32be(uint8_t *data)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
203 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
204 return *data << 24 | data[1] << 16 | data[2] << 8 | data[3];
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
205 }
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
206
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
207 uint32_t calc_mask(uint32_t src_size, uint32_t start, uint32_t end)
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
208 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
209 uint32_t map_size = end-start+1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
210 if (src_size < map_size) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
211 return nearest_pow2(src_size)-1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
212 } else if (!start) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
213 return 0xFFFFFF;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
214 } else {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
215 return nearest_pow2(map_size)-1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
216 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
217 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
218
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
219 uint8_t has_ram_header(uint8_t *rom, uint32_t rom_size)
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
220 {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
221 return rom_size >= (RAM_END + 4) && rom[RAM_ID] == 'R' && rom[RAM_ID + 1] == 'A';
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
222 }
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
223
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
224 uint32_t read_ram_header(rom_info *info, uint8_t *rom)
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
225 {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
226 uint32_t ram_start = get_u32be(rom + RAM_START);
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
227 uint32_t ram_end = get_u32be(rom + RAM_END);
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
228 uint32_t ram_flags = info->save_type = rom[RAM_FLAGS] & RAM_FLAG_MASK;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
229 ram_start &= 0xFFFFFE;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
230 ram_end |= 1;
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
231 if (ram_start >= 0x800000) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
232 info->save_buffer = NULL;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
233 return ram_start;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
234 }
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
235 info->save_mask = ram_end - ram_start;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
236 uint32_t save_size = info->save_mask + 1;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
237 if (ram_flags != RAM_FLAG_BOTH) {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
238 save_size /= 2;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
239 }
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
240 info->save_size = save_size;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
241 info->save_buffer = malloc(save_size);
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
242 return ram_start;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
243 }
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
244
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
245 void add_memmap_header(rom_info *info, uint8_t *rom, uint32_t size, memmap_chunk const *base_map, int base_chunks)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
246 {
777
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
247 uint32_t rom_end = get_u32be(rom + ROM_END) + 1;
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
248 if (size > rom_end) {
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
249 rom_end = size;
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
250 } else if (rom_end > nearest_pow2(size)) {
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
251 rom_end = nearest_pow2(size);
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
252 }
1287
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
253 if (size >= 0x80000 && !memcmp("SEGA SSF", rom + 0x100, 8)) {
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
254 info->mapper_start_index = 0;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
255 info->mapper_type = MAPPER_SEGA;
1287
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
256 info->map_chunks = base_chunks + 9;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
257 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
258 memset(info->map, 0, sizeof(memmap_chunk)*9);
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
259 memcpy(info->map+9, base_map, sizeof(memmap_chunk) * base_chunks);
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
260
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
261 info->map[0].start = 0;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
262 info->map[0].end = 0x80000;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
263 info->map[0].mask = 0xFFFFFF;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
264 info->map[0].flags = MMAP_READ;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
265 info->map[0].buffer = rom;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
266
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
267 if (has_ram_header(rom, size)){
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
268 read_ram_header(info, rom);
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
269 }
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
270
1287
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
271 for (int i = 1; i < 8; i++)
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
272 {
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
273 info->map[i].start = i * 0x80000;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
274 info->map[i].end = (i + 1) * 0x80000;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
275 info->map[i].mask = 0x7FFFF;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
276 info->map[i].buffer = (i + 1) * 0x80000 <= size ? rom + i * 0x80000 : rom;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
277 info->map[i].ptr_index = i;
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
278 info->map[i].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
279
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
280 info->map[i].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[i] == NULL
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
281 info->map[i].read_8 = (read_8_fun)read_sram_b;
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
282 info->map[i].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
283 info->map[i].write_8 = (write_8_fun)write_sram_area_b;
1287
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
284
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
285 }
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
286 info->map[8].start = 0xA13000;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
287 info->map[8].end = 0xA13100;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
288 info->map[8].mask = 0xFF;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
289 info->map[8].write_16 = (write_16_fun)write_bank_reg_w;
65f03a0a426a Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents: 1281
diff changeset
290 info->map[8].write_8 = (write_8_fun)write_bank_reg_b;
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
291 return;
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
292 } else if (has_ram_header(rom, size)) {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
293 uint32_t ram_start = read_ram_header(info, rom);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
294
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
295 if (info->save_buffer) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
296 info->map_chunks = base_chunks + (ram_start >= rom_end ? 2 : 3);
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
297 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
298 memset(info->map, 0, sizeof(memmap_chunk)*2);
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
299 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks);
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
300
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
301 if (ram_start >= rom_end) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
302 info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
303 if (info->map[0].end > ram_start) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
304 info->map[0].end = ram_start;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
305 }
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
306 //TODO: ROM mirroring
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
307 info->map[0].mask = 0xFFFFFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
308 info->map[0].flags = MMAP_READ;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
309 info->map[0].buffer = rom;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
310
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
311 info->map[1].start = ram_start;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
312 info->map[1].mask = info->save_mask;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
313 info->map[1].end = ram_start + info->save_mask + 1;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
314 info->map[1].flags = MMAP_READ | MMAP_WRITE;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
315
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
316 if (info->save_type == RAM_FLAG_ODD) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
317 info->map[1].flags |= MMAP_ONLY_ODD;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
318 } else if (info->save_type == RAM_FLAG_EVEN) {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
319 info->map[1].flags |= MMAP_ONLY_EVEN;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
320 }
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
321 info->map[1].buffer = info->save_buffer;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
322 } else {
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
323 //Assume the standard Sega mapper
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
324 info->mapper_type = MAPPER_SEGA;
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
325 info->map[0].end = 0x200000;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
326 info->map[0].mask = 0xFFFFFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
327 info->map[0].flags = MMAP_READ;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
328 info->map[0].buffer = rom;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
329
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
330 info->map[1].start = 0x200000;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
331 info->map[1].end = 0x400000;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
332 info->map[1].mask = 0x1FFFFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
333 info->map[1].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_FUNC_NULL;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
334 info->map[1].ptr_index = info->mapper_start_index = 0;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
335 info->map[1].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
336 info->map[1].read_8 = (read_8_fun)read_sram_b;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
337 info->map[1].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
338 info->map[1].write_8 = (write_8_fun)write_sram_area_b;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
339 info->map[1].buffer = rom + 0x200000;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
340
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
341 memmap_chunk *last = info->map + info->map_chunks - 1;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
342 memset(last, 0, sizeof(memmap_chunk));
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
343 last->start = 0xA13000;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
344 last->end = 0xA13100;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
345 last->mask = 0xFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
346 last->write_16 = (write_16_fun)write_bank_reg_w;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
347 last->write_8 = (write_8_fun)write_bank_reg_b;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
348 }
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
349 return;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
350 }
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
351 }
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
352
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
353 info->map_chunks = base_chunks + 1;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
354 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
355 memset(info->map, 0, sizeof(memmap_chunk));
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
356 memcpy(info->map+1, base_map, sizeof(memmap_chunk) * base_chunks);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
357
1425
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
358 info->map[0].end = rom_end > 0x400000 ? rom_end : 0x400000;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
359 info->map[0].mask = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
360 info->map[0].flags = MMAP_READ;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
361 info->map[0].buffer = rom;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
362 info->save_type = SAVE_NONE;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
363 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
364
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
365 rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks)
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
366 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
367 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
368 info.mapper_type = MAPPER_NONE;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
369 info.name = get_header_name(rom);
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
370 info.regions = get_header_regions(rom);
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
371 info.is_save_lock_on = 0;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
372 info.rom = rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
373 info.rom_size = rom_size;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
374 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 913
diff changeset
375 info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL;
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
376 return info;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
377 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
378
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
379 typedef struct {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
380 rom_info *info;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
381 uint8_t *rom;
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
382 uint8_t *lock_on;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
383 tern_node *root;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
384 tern_node *rom_db;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
385 uint32_t rom_size;
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
386 uint32_t lock_on_size;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
387 int index;
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
388 int num_els;
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
389 uint16_t ptr_index;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
390 } map_iter_state;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
391
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
392 void eeprom_read_fun(char *key, tern_val val, uint8_t valtype, void *data)
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
393 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
394 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
395 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
396 fprintf(stderr, "bit %s is out of range", key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
397 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
398 }
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
399 if (valtype != TVAL_PTR) {
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
400 fprintf(stderr, "bit %s has a non-scalar value", key);
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
401 return;
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
402 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
403 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
404 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
405 fprintf(stderr, "bit %s is connected to unrecognized read pin %s", key, pin);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
406 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
407 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
408 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
409 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
410 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
411
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
412 void eeprom_write_fun(char *key, tern_val val, uint8_t valtype, void *data)
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
413 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
414 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
415 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
416 fprintf(stderr, "bit %s is out of range", key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
417 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
418 }
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
419 if (valtype != TVAL_PTR) {
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
420 fprintf(stderr, "bit %s has a non-scalar value", key);
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
421 return;
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
422 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
423 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
424 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
425 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
426 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
427 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
428 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
429 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
430 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
431 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
432 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
433 fprintf(stderr, "bit %s is connected to unrecognized write pin %s", key, pin);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
434 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
435
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
436 void process_sram_def(char *key, map_iter_state *state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
437 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
438 if (!state->info->save_size) {
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
439 char * size = tern_find_path(state->root, "SRAM\0size\0", TVAL_PTR).ptrval;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
440 if (!size) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
441 fatal_error("ROM DB map entry %d with address %s has device type SRAM, but the SRAM size is not defined\n", state->index, key);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
442 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
443 state->info->save_size = atoi(size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
444 if (!state->info->save_size) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
445 fatal_error("SRAM size %s is invalid\n", size);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
446 }
775
22728a57d7f3 Populate save mask when SRAM is defined in ROM DB rather than cart header
Michael Pavone <pavone@retrodev.com>
parents: 774
diff changeset
447 state->info->save_mask = nearest_pow2(state->info->save_size)-1;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
448 state->info->save_buffer = malloc(state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
449 memset(state->info->save_buffer, 0, state->info->save_size);
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
450 char *bus = tern_find_path(state->root, "SRAM\0bus\0", TVAL_PTR).ptrval;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
451 if (!strcmp(bus, "odd")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
452 state->info->save_type = RAM_FLAG_ODD;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
453 } else if(!strcmp(bus, "even")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
454 state->info->save_type = RAM_FLAG_EVEN;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
455 } else {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
456 state->info->save_type = RAM_FLAG_BOTH;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
457 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
458 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
459 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
460
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
461 void process_eeprom_def(char * key, map_iter_state *state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
462 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
463 if (!state->info->save_size) {
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
464 char * size = tern_find_path(state->root, "EEPROM\0size\0", TVAL_PTR).ptrval;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
465 if (!size) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
466 fatal_error("ROM DB map entry %d with address %s has device type EEPROM, but the EEPROM size is not defined\n", state->index, key);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
467 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
468 state->info->save_size = atoi(size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
469 if (!state->info->save_size) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
470 fatal_error("EEPROM size %s is invalid\n", size);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
471 }
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
472 char *etype = tern_find_path(state->root, "EEPROM\0type\0", TVAL_PTR).ptrval;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
473 if (!etype) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
474 etype = "i2c";
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
475 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
476 if (!strcmp(etype, "i2c")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
477 state->info->save_type = SAVE_I2C;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
478 } else {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
479 fatal_error("EEPROM type %s is invalid\n", etype);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
480 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
481 state->info->save_buffer = malloc(state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
482 memset(state->info->save_buffer, 0xFF, state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
483 state->info->eeprom_map = malloc(sizeof(eeprom_map) * state->num_els);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
484 memset(state->info->eeprom_map, 0, sizeof(eeprom_map) * state->num_els);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
485 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
486 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
487
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
488 void process_nor_def(char *key, map_iter_state *state)
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
489 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
490 if (!state->info->save_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
491 char *size = tern_find_path(state->root, "NOR\0size\0", TVAL_PTR).ptrval;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
492 if (!size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
493 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR size is not defined\n", state->index, key);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
494 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
495 state->info->save_size = atoi(size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
496 if (!state->info->save_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
497 fatal_error("NOR size %s is invalid\n", size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
498 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
499 char *page_size = tern_find_path(state->root, "NOR\0page_size\0", TVAL_PTR).ptrval;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
500 if (!page_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
501 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR page size is not defined\n", state->index, key);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
502 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
503 state->info->save_page_size = atoi(size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
504 if (!state->info->save_page_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
505 fatal_error("NOR page size %s is invalid\n", size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
506 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
507 char *product_id = tern_find_path(state->root, "NOR\0product_id\0", TVAL_PTR).ptrval;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
508 if (!product_id) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
509 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR product ID is not defined\n", state->index, key);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
510 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
511 state->info->save_product_id = strtol(product_id, NULL, 16);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
512 char *bus = tern_find_path(state->root, "NOR\0bus\0", TVAL_PTR).ptrval;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
513 if (!strcmp(bus, "odd")) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
514 state->info->save_bus = RAM_FLAG_ODD;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
515 } else if(!strcmp(bus, "even")) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
516 state->info->save_bus = RAM_FLAG_EVEN;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
517 } else {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
518 state->info->save_bus = RAM_FLAG_BOTH;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
519 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
520 state->info->save_type = SAVE_NOR;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
521 state->info->save_buffer = malloc(state->info->save_size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
522 memset(state->info->save_buffer, 0xFF, state->info->save_size);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
523 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
524 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
525
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
526 void add_eeprom_map(tern_node *node, uint32_t start, uint32_t end, map_iter_state *state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
527 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
528 eeprom_map *eep_map = state->info->eeprom_map + state->info->num_eeprom;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
529 eep_map->start = start;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
530 eep_map->end = end;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
531 eep_map->sda_read_bit = 0xFF;
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
532 tern_node * bits_read = tern_find_node(node, "bits_read");
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
533 if (bits_read) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
534 tern_foreach(bits_read, eeprom_read_fun, eep_map);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
535 }
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
536 tern_node * bits_write = tern_find_node(node, "bits_write");
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
537 if (bits_write) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
538 tern_foreach(bits_write, eeprom_write_fun, eep_map);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
539 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
540 printf("EEPROM address %X: sda read: %X, sda write: %X, scl: %X\n", start, eep_map->sda_read_bit, eep_map->sda_write_mask, eep_map->scl_mask);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
541 state->info->num_eeprom++;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
542 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
543
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
544 void map_iter_fun(char *key, tern_val val, uint8_t valtype, void *data)
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
545 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
546 map_iter_state *state = data;
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
547 if (valtype != TVAL_NODE) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
548 fatal_error("ROM DB map entry %d with address %s is not a node\n", state->index, key);
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
549 }
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
550 tern_node *node = val.ptrval;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
551 uint32_t start = strtol(key, NULL, 16);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
552 uint32_t end = strtol(tern_find_ptr_default(node, "last", "0"), NULL, 16);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
553 if (!end || end < start) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 781
diff changeset
554 fatal_error("'last' value is missing or invalid for ROM DB map entry %d with address %s\n", state->index, key);
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
555 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
556 char * dtype = tern_find_ptr_default(node, "device", "ROM");
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
557 uint32_t offset = strtol(tern_find_ptr_default(node, "offset", "0"), NULL, 16);
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
558 memmap_chunk *map = state->info->map + state->index;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
559 map->start = start;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
560 map->end = end + 1;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
561 if (!strcmp(dtype, "ROM")) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
562 map->buffer = state->rom + offset;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
563 map->mask = calc_mask(state->rom_size - offset, start, end);
1470
1e3e0205640f Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
564 if (strcmp(tern_find_ptr_default(node, "writeable", "no"), "yes")) {
1e3e0205640f Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
565 map->flags = MMAP_READ;
1e3e0205640f Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
566 } else {
1e3e0205640f Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
567 map->flags = MMAP_READ | MMAP_WRITE | MMAP_CODE;
1e3e0205640f Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
568 }
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
569 } else if (!strcmp(dtype, "LOCK-ON")) {
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
570 rom_info lock_info;
1408
71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
571 if (state->lock_on) {
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
572 lock_info = configure_rom(state->rom_db, state->lock_on, state->lock_on_size, NULL, 0, NULL, 0);
1408
71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
573 } else if (state->rom_size > start) {
71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
574 //This is a bit of a hack to deal with pre-combined S3&K/S2&K ROMs and S&K ROM hacks
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
575 lock_info = configure_rom(state->rom_db, state->rom + start, state->rom_size - start, NULL, 0, NULL, 0);
1408
71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
576 } else {
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
577 //skip this entry if there is no lock on cartridge attached
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
578 return;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
579 }
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
580 uint32_t matching_chunks = 0;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
581 for (int i = 0; i < lock_info.map_chunks; i++)
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
582 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
583 if (lock_info.map[i].start < 0xC00000 && lock_info.map[i].end > 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
584 matching_chunks++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
585 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
586 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
587 if (matching_chunks == 0) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
588 //Nothing mapped in the relevant range for the lock-on cart, ignore this mapping
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
589 return;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
590 } else if (matching_chunks > 1) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
591 state->info->map_chunks += matching_chunks - 1;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
592 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
593 memset(state->info->map + state->info->map_chunks - (matching_chunks - 1), 0, sizeof(memmap_chunk) * (matching_chunks - 1));
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
594 map = state->info->map + state->index;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
595 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
596 for (int i = 0; i < lock_info.map_chunks; i++)
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
597 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
598 if (lock_info.map[i].start >= 0xC00000 || lock_info.map[i].end <= 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
599 continue;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
600 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
601 *map = lock_info.map[i];
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
602 if (map->start < 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
603 if (map->buffer) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
604 map->buffer += (0x200000 - map->start) & ((map->flags & MMAP_AUX_BUFF) ? map->aux_mask : map->mask);
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
605 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
606 map->start = 0x200000;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
607 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
608 map++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
609 state->index++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
610 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
611 if (state->info->save_type == SAVE_NONE && lock_info.save_type != SAVE_NONE) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
612 //main cart has no save device, but lock-on cart does
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
613 if (state->lock_on) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
614 state->info->is_save_lock_on = 1;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
615 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
616 state->info->save_buffer = lock_info.save_buffer;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
617 state->info->save_size = lock_info.save_size;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
618 state->info->save_mask = lock_info.save_mask;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
619 state->info->save_page_size = lock_info.save_page_size;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
620 state->info->save_product_id = lock_info.save_product_id;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
621 state->info->save_type = lock_info.save_type;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
622 state->info->save_bus = lock_info.save_bus;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
623 lock_info.save_buffer = NULL;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
624 lock_info.save_type = SAVE_NONE;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
625 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
626 free_rom_info(&lock_info);
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
627 return;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
628 } else if (!strcmp(dtype, "EEPROM")) {
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
629 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
630 add_eeprom_map(node, start, end, state);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
631
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
632 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
633 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
634 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
635 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
636 map->mask = 0xFFFFFF;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
637 } else if (!strcmp(dtype, "SRAM")) {
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
638 process_sram_def(key, state);
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
639 map->buffer = state->info->save_buffer + offset;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
640 map->flags = MMAP_READ | MMAP_WRITE;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
641 if (state->info->save_type == RAM_FLAG_ODD) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
642 map->flags |= MMAP_ONLY_ODD;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
643 } else if(state->info->save_type == RAM_FLAG_EVEN) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
644 map->flags |= MMAP_ONLY_EVEN;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
645 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
646 map->mask = calc_mask(state->info->save_size, start, end);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
647 } else if (!strcmp(dtype, "RAM")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
648 uint32_t size = strtol(tern_find_ptr_default(node, "size", "0"), NULL, 16);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
649 if (!size || size > map->end - map->start) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
650 size = map->end - map->start;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
651 }
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
652 map->buffer = malloc(size);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
653 map->mask = calc_mask(size, start, end);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
654 map->flags = MMAP_READ | MMAP_WRITE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
655 char *bus = tern_find_ptr_default(node, "bus", "both");
1394
ae3b1721b226 Small fix to handling of the "bus" option in a RAM type ROM DB memory map
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
656 if (!strcmp(bus, "odd")) {
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
657 map->flags |= MMAP_ONLY_ODD;
1394
ae3b1721b226 Small fix to handling of the "bus" option in a RAM type ROM DB memory map
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
658 } else if (!strcmp(bus, "even")) {
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
659 map->flags |= MMAP_ONLY_EVEN;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
660 } else {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
661 map->flags |= MMAP_CODE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
662 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
663 } else if (!strcmp(dtype, "NOR")) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
664 process_nor_def(key, state);
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
665
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
666 map->write_16 = nor_flash_write_w;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
667 map->write_8 = nor_flash_write_b;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
668 map->read_16 = nor_flash_read_w;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
669 map->read_8 = nor_flash_read_b;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
670 map->mask = 0xFFFFFF;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
671 } else if (!strcmp(dtype, "Sega mapper")) {
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
672 state->info->mapper_type = MAPPER_SEGA;
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
673 state->info->mapper_start_index = state->ptr_index++;
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
674 char *variant = tern_find_ptr_default(node, "variant", "full");
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
675 char *save_device = tern_find_path(node, "save\0device\0", TVAL_PTR).ptrval;
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
676 if (save_device && !strcmp(save_device, "EEPROM")) {
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
677 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
678 add_eeprom_map(node, start & map->mask, end & map->mask, state);
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
679 } else if (save_device && !strcmp(save_device, "SRAM")) {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
680 process_sram_def(key, state);
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
681 } else if(has_ram_header(state->rom, state->rom_size)) {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
682 //no save definition in ROM DB entry, but there is an SRAM header
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
683 //this support is mostly to handle homebrew that uses the SSF2 product ID
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
684 //in an attempt to signal desire for the full Sega/SSF2 mapper, but also uses SRAM unlike SSF2
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
685 read_ram_header(state->info, state->rom);
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
686 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
687 if (!strcmp(variant, "save-only")) {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
688 state->info->map_chunks+=1;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
689 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
690 memset(state->info->map + state->info->map_chunks - 1, 0, sizeof(memmap_chunk) * 1);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
691 map = state->info->map + state->index;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
692 map->start = start;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
693 map->end = end;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
694 offset &= nearest_pow2(state->rom_size) - 1;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
695 map->buffer = state->rom + offset;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
696 map->mask = calc_mask(state->rom_size - offset, start, end);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
697 map->ptr_index = state->info->mapper_start_index;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
698 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
699 if (save_device && !strcmp(save_device, "EEPROM")) {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
700 map->write_16 = write_eeprom_i2c_w;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
701 map->write_8 = write_eeprom_i2c_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
702 map->read_16 = read_eeprom_i2c_w;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
703 map->read_8 = read_eeprom_i2c_b;
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
704 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
705 map->read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[ptr_idx] == NULL
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
706 map->read_8 = (read_8_fun)read_sram_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
707 map->write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
708 map->write_8 = (write_8_fun)write_sram_area_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
709 }
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
710 state->index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
711 map++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
712 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
713 state->info->map_chunks+=7;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
714 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
715 memset(state->info->map + state->info->map_chunks - 7, 0, sizeof(memmap_chunk) * 7);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
716 map = state->info->map + state->index;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
717 for (int i = 0; i < 7; i++, state->index++, map++)
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
718 {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
719 map->start = start + i * 0x80000;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
720 map->end = start + (i + 1) * 0x80000;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
721 map->mask = 0x7FFFF;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
722 map->buffer = state->rom + offset + i * 0x80000;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
723 map->ptr_index = state->ptr_index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
724 if (i < 3) {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
725 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE;
1409
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents: 1408
diff changeset
726 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
727 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
728 if (save_device && !strcmp(save_device, "EEPROM")) {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
729 map->write_16 = write_eeprom_i2c_w;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
730 map->write_8 = write_eeprom_i2c_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
731 map->read_16 = read_eeprom_i2c_w;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
732 map->read_8 = read_eeprom_i2c_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
733 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
734 map->read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
735 map->read_8 = (read_8_fun)read_sram_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
736 map->write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
737 map->write_8 = (write_8_fun)write_sram_area_b;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
738 }
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
739 }
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
740 }
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 775
diff changeset
741 }
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
742 map->start = 0xA13000;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
743 map->end = 0xA13100;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
744 map->mask = 0xFF;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
745 map->write_16 = (write_16_fun)write_bank_reg_w;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
746 map->write_8 = (write_8_fun)write_bank_reg_b;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
747 } else if (!strcmp(dtype, "MENU")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
748 //fake hardware for supporting menu
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
749 map->buffer = NULL;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
750 map->mask = 0xFF;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
751 map->write_16 = menu_write_w;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
752 map->read_16 = menu_read_w;
1305
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
753 } else if (!strcmp(dtype, "fixed")) {
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
754 uint16_t *value = malloc(2);
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
755 map->buffer = value;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
756 map->mask = 0;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
757 map->flags = MMAP_READ;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
758 *value = strtol(tern_find_ptr_default(node, "value", "0"), NULL, 16);
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
759 } else if (!strcmp(dtype, "multi-game")) {
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
760 state->info->mapper_type = MAPPER_MULTI_GAME;
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
761 state->info->mapper_start_index = state->ptr_index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
762 //make a mirror copy of the ROM so we can efficiently support arbitrary start offsets
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
763 state->rom = realloc(state->rom, state->rom_size * 2);
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
764 memcpy(state->rom + state->rom_size, state->rom, state->rom_size);
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
765 state->rom_size *= 2;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
766 //make room for an extra map entry
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
767 state->info->map_chunks+=1;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
768 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
769 memset(state->info->map + state->info->map_chunks - 1, 0, sizeof(memmap_chunk) * 1);
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
770 map = state->info->map + state->index;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
771 map->buffer = state->rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
772 map->mask = calc_mask(state->rom_size, start, end);
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
773 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
774 map->ptr_index = state->info->mapper_start_index;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
775 map++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
776 state->index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
777 map->start = 0xA13000;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
778 map->end = 0xA13100;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
779 map->mask = 0xFF;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
780 map->write_16 = write_multi_game_w;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
781 map->write_8 = write_multi_game_b;
1513
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
782 } else if (!strcmp(dtype, "megawifi")) {
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
783 map->write_16 = megawifi_write_w;
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
784 map->write_8 = megawifi_write_b;
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
785 map->read_16 = megawifi_read_w;
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
786 map->read_8 = megawifi_read_b;
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
787 map->mask = 0xFFFFFF;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
788 } else {
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
789 fatal_error("Invalid device type %s for ROM DB map entry %d with address %s\n", dtype, state->index, key);
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
790 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
791 state->index++;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
792 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
793
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
794 rom_info configure_rom(tern_node *rom_db, void *vrom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, memmap_chunk const *base_map, uint32_t base_chunks)
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
795 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
796 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
797 uint8_t *rom = vrom;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
798 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
799 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
800 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
801 if (rom[GAME_ID_OFF + i] <= ' ') {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
802 product_id[i] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
803 break;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
804 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
805 product_id[i] = rom[GAME_ID_OFF + i];
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
806
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
807 }
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
808 printf("Product ID: %s\n", product_id);
1305
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
809 uint8_t raw_hash[20];
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
810 sha1(vrom, rom_size, raw_hash);
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
811 uint8_t hex_hash[41];
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
812 bin_to_hex(hex_hash, raw_hash, 20);
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
813 printf("SHA1: %s\n", hex_hash);
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
814 tern_node * entry = tern_find_node(rom_db, hex_hash);
1305
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
815 if (!entry) {
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
816 entry = tern_find_node(rom_db, product_id);
1305
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents: 1287
diff changeset
817 }
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
818 if (!entry) {
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
819 puts("Not found in ROM DB, examining header\n");
1259
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
820 if (xband_detect(rom, rom_size)) {
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
821 return xband_configure_rom(rom_db, rom, rom_size, lock_on, lock_on_size, base_map, base_chunks);
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
822 }
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
823 if (realtec_detect(rom, rom_size)) {
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
824 return realtec_configure_rom(rom, rom_size, base_map, base_chunks);
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
825 }
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
826 return configure_rom_heuristics(rom, rom_size, base_map, base_chunks);
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
827 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
828 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
829 info.mapper_type = MAPPER_NONE;
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
830 info.name = tern_find_ptr(entry, "name");
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
831 if (info.name) {
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
832 printf("Found name: %s\n", info.name);
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
833 info.name = strdup(info.name);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
834 } else {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
835 info.name = get_header_name(rom);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
836 }
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
837
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
838 char *dbreg = tern_find_ptr(entry, "regions");
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
839 info.regions = 0;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
840 if (dbreg) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
841 while (*dbreg != 0)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
842 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
843 info.regions |= translate_region_char(*(dbreg++));
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
844 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
845 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
846 if (!info.regions) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
847 info.regions = get_header_regions(rom);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
848 }
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
849
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
850 info.is_save_lock_on = 0;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
851 info.rom = vrom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
852 info.rom_size = rom_size;
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
853 tern_node *map = tern_find_node(entry, "map");
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
854 if (map) {
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
855 info.save_type = SAVE_NONE;
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
856 info.map_chunks = tern_count(map);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
857 if (info.map_chunks) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
858 info.map_chunks += base_chunks;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
859 info.save_buffer = NULL;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
860 info.save_size = 0;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
861 info.map = malloc(sizeof(memmap_chunk) * info.map_chunks);
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
862 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
863 info.num_eeprom = 0;
774
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 772
diff changeset
864 memset(info.map, 0, sizeof(memmap_chunk) * info.map_chunks);
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
865 map_iter_state state = {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
866 .info = &info,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
867 .rom = rom,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
868 .lock_on = lock_on,
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
869 .root = entry,
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
870 .rom_db = rom_db,
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
871 .rom_size = rom_size,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
872 .lock_on_size = lock_on_size,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
873 .index = 0,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
874 .num_els = info.map_chunks - base_chunks,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
875 .ptr_index = 0
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1006
diff changeset
876 };
768
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
877 tern_foreach(map, map_iter_fun, &state);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
878 memcpy(info.map + state.index, base_map, sizeof(memmap_chunk) * base_chunks);
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
879 info.rom = state.rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
880 info.rom_size = state.rom_size;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
881 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
882 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
883 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
884 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
885 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
886 }
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
887
1326
071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents: 1324
diff changeset
888 tern_node *device_overrides = tern_find_node(entry, "device_overrides");
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
889 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
890 info.port1_override = tern_find_ptr(device_overrides, "1");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
891 info.port2_override = tern_find_ptr(device_overrides, "2");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
892 info.ext_override = tern_find_ptr(device_overrides, "ext");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
893 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
894 info.port1_override = info.port2_override = info.ext_override = NULL;
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
895 }
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 913
diff changeset
896 info.mouse_mode = tern_find_ptr(entry, "mouse_mode");
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
897
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
898 return info;
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
899 }