annotate romdb.c @ 1865:4c322abd9fa5

Split generic part of audio code into a separate file so it can be used in other targets besides SDL
author Michael Pavone <pavone@retrodev.com>
date Fri, 17 May 2019 08:43:30 -0700
parents d60f2d7c02a5
children ebf124803a93
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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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22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
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7 #include "genesis.h"
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69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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8 #include "menu.h"
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9 #include "xband.h"
1259
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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d94855080529 Move I2C EEPROM and NOR Flash functions out of romdb.c into new files
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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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11ac0b511cff Support a couple of bootleg X-in-1 carts
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13 #include "multi_game.h"
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8f3b6a64b658 Initial work on MegaWiFi support
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14 #include "megawifi.h"
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15 #include "jcart.h"
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16 #include "blastem.h"
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17
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18 #define DOM_TITLE_START 0x120
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19 #define DOM_TITLE_END 0x150
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20 #define TITLE_START DOM_TITLE_END
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dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
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21 #define TITLE_END (TITLE_START+48)
766
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22 #define ROM_END 0x1A4
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23 #define RAM_ID 0x1B0
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24 #define RAM_FLAGS 0x1B2
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25 #define RAM_START 0x1B4
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26 #define RAM_END 0x1B8
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27 #define REGION_START 0x1F0
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28
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29 char const *save_type_name(uint8_t save_type)
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30 {
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31 if (save_type == SAVE_I2C) {
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32 return "EEPROM";
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33 } else if(save_type == SAVE_NOR) {
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34 return "NOR Flash";
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35 }
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36 return "SRAM";
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37 }
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38
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39 tern_node *load_rom_db()
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40 {
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41 tern_node *db = parse_bundled_config("rom.db");
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42 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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43 fatal_error("Failed to load ROM DB\n");
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44 }
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45 return db;
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46 }
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47
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48 void free_rom_info(rom_info *info)
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49 {
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50 free(info->name);
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51 if (info->save_type != SAVE_NONE) {
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52 free(info->save_buffer);
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53 if (info->save_type == SAVE_I2C) {
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54 free(info->eeprom_map);
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31effaadf877 Fix some memory errors (mostly leaks) identified by valgrind
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55 } else if (info->save_type == SAVE_NOR) {
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56 free(info->nor);
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57 }
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58 }
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59 free(info->map);
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60 free(info->port1_override);
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61 free(info->port2_override);
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62 free(info->ext_override);
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63 free(info->mouse_mode);
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64 }
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65
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66 void cart_serialize(system_header *sys, serialize_buffer *buf)
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67 {
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68 if (sys->type != SYSTEM_GENESIS) {
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69 return;
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70 }
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71 genesis_context *gen = (genesis_context *)sys;
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72 if (gen->mapper_type == MAPPER_NONE) {
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73 return;
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74 }
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75 start_section(buf, SECTION_MAPPER);
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76 save_int8(buf, gen->mapper_type);
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77 switch(gen->mapper_type)
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78 {
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79 case MAPPER_SEGA:
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80 case MAPPER_SEGA_SRAM:
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81 sega_mapper_serialize(gen, buf);
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82 break;
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83 case MAPPER_REALTEC:
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84 realtec_serialize(gen, buf);
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85 break;
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86 case MAPPER_XBAND:
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87 xband_serialize(gen, buf);
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88 break;
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89 case MAPPER_MULTI_GAME:
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90 multi_game_serialize(gen, buf);
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91 break;
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92 }
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93 end_section(buf);
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94 }
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95
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96 void cart_deserialize(deserialize_buffer *buf, void *vcontext)
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97 {
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98 genesis_context *gen = vcontext;
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99 uint8_t mapper_type = load_int8(buf);
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100 if (mapper_type != gen->mapper_type && (mapper_type != MAPPER_SEGA || gen->mapper_type != MAPPER_SEGA_SRAM)) {
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101 warning("Mapper type mismatch, skipping load of mapper state\n");
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102 return;
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103 }
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104 switch(gen->mapper_type)
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105 {
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106 case MAPPER_SEGA:
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107 case MAPPER_SEGA_SRAM:
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108 sega_mapper_deserialize(buf, gen);
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109 break;
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110 case MAPPER_REALTEC:
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111 realtec_deserialize(buf, gen);
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112 break;
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113 case MAPPER_XBAND:
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114 xband_deserialize(buf, gen);
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115 break;
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116 case MAPPER_MULTI_GAME:
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117 multi_game_deserialize(buf, gen);
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118 break;
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119 }
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120 }
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121
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122 char *get_header_name(uint8_t *rom)
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123 {
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124 //TODO: Should probably prefer the title field that corresponds to the user's region preference
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125 uint8_t *last = rom + TITLE_END - 1;
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126 uint8_t *src = rom + TITLE_START;
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127
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128 for (;;)
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129 {
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130 while (last > src && (*last <= 0x20 || *last >= 0x80))
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131 {
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132 last--;
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133 }
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134 if (last == src) {
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135 if (src == rom + TITLE_START) {
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136 src = rom + DOM_TITLE_START;
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Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
137 last = rom + DOM_TITLE_END - 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
138 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
139 return strdup("UNKNOWN");
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
140 }
1006
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
141 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
142 last++;
1031
219de1d64aa1 Fixed a bug in get_header_name that results in a crash if the "International Name" field is blank
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
143 char *ret = malloc(last - src + 1);
1006
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
144 uint8_t *dst;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
145 uint8_t last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
146 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
147 {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
148 if (*src >= 0x20 && *src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
149 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
150 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
151 continue;
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 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
154 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
155 last_was_space = 0;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
156 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
157 *(dst++) = *src;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
158 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
159 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
160 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
161 return ret;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
166 char *region_chars = "JUEW";
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
167 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
168
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 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
170 {
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
171 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
172 {
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
173 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
174 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
175 }
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
176 }
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
177 uint8_t bin_region = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
178 if (c >= '0' && c <= '9') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
179 bin_region = c - '0';
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
180 } else if (c >= 'A' && c <= 'F') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
181 bin_region = c - 'A' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
182 } else if (c >= 'a' && c <= 'f') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
183 bin_region = c - 'a' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
184 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
185 uint8_t ret = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
186 if (bin_region & 8) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
187 ret |= REGION_E;
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 if (bin_region & 4) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
190 ret |= REGION_U;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
191 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
192 if (bin_region & 1) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
193 ret |= REGION_J;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
194 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
195 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
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
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 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
199 {
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 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
201 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
202 {
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
203 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
204 }
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
205 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
206 }
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
207
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
208 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
209 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
210 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
211 }
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
212
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
213 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
214 {
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 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
216 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
217 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
218 } 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
219 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
220 } 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
221 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
222 }
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
223 }
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
224
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
225 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
226 {
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 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
228 }
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
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 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
231 {
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
232 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
233 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
234 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
235 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
236 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
237 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
238 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
239 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
240 }
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
241 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
242 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
243 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
244 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
245 }
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
246 info->save_size = save_size;
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
247 info->save_buffer = calloc(save_size, 1);
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
248 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
249 }
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
250
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
251 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
252 {
777
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
253 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
254 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
255 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
256 } 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
257 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
258 }
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
259 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
260 info->mapper_start_index = 0;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
261 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
262 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
263 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
264 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
265 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
266
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
267 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
268 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
269 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
270 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
271 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
272
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
273 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
274 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
275 }
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
276
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
277 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
278 {
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
279 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
280 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
281 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
282 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
283 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
284 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
285
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
286 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
287 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
288 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
289 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
290
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
291 }
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
292 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
293 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
294 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
295 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
296 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
297 return;
1794
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
298 } else if(!memcmp("SEGA MEGAWIFI", rom + 0x100, strlen("SEGA MEGAWIFI"))) {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
299 info->mapper_type = MAPPER_NONE;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
300 info->map_chunks = base_chunks + 2;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
301 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
302 memset(info->map, 0, sizeof(memmap_chunk)*2);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
303 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
304 info->save_size = 0x400000;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
305 info->save_bus = RAM_FLAG_BOTH;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
306 info->save_type = SAVE_NOR;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
307 info->map[0].start = 0;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
308 info->map[0].end = 0x400000;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
309 info->map[0].mask = 0xFFFFFF;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
310 info->map[0].write_16 = nor_flash_write_w;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
311 info->map[0].write_8 = nor_flash_write_b;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
312 info->map[0].read_16 = nor_flash_read_w;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
313 info->map[0].read_8 = nor_flash_read_b;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
314 info->map[0].flags = MMAP_READ_CODE | MMAP_CODE;
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
315 info->map[0].buffer = info->save_buffer = calloc(info->save_size, 1);
1794
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
316 uint32_t init_size = size < info->save_size ? size : info->save_size;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
317 memcpy(info->save_buffer, rom, init_size);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
318 byteswap_rom(info->save_size, (uint16_t *)info->save_buffer);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
319 info->nor = calloc(1, sizeof(nor_state));
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
320 nor_flash_init(info->nor, info->save_buffer, info->save_size, 128, 0xDA45, RAM_FLAG_BOTH);
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
321 info->nor->cmd_address1 = 0xAAB;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
322 info->nor->cmd_address2 = 0x555;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
323 info->map[1].start = 0xA130C0;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
324 info->map[1].end = 0xA130D0;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
325 info->map[1].mask = 0xFFFFFF;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
326 if (!strcmp(
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
327 "on",
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
328 tern_find_path_default(config, "system\0megawifi\0", (tern_val){.ptrval="off"}, TVAL_PTR).ptrval)
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
329 ) {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
330 info->map[1].write_16 = megawifi_write_w;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
331 info->map[1].write_8 = megawifi_write_b;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
332 info->map[1].read_16 = megawifi_read_w;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
333 info->map[1].read_8 = megawifi_read_b;
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
334 } else {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
335 warning("ROM uses MegaWiFi, but it is disabled\n");
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
336 }
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
337 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
338 } 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
339 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
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 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
342 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
343 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
344 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
345 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
346
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 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
348 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
349 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
350 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
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 //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
353 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
354 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
355 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
356
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
357 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
358 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
359 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
360 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
361
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
362 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
363 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
364 } 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
365 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
366 }
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
367 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
368 } 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
369 //Assume the standard Sega mapper
1863
d60f2d7c02a5 Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
Michael Pavone <pavone@retrodev.com>
parents: 1847
diff changeset
370 info->mapper_type = MAPPER_SEGA_SRAM;
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
371 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
372 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
373 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
374 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
375
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
376 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
377 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
378 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
379 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
380 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
381 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
382 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
383 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
384 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
385 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
386
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
387 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
388 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
389 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
390 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
391 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
392 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
393 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
394 }
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
395 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
396 }
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
397 }
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
398
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
399 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
400 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
401 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
402 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
403
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
404 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
405 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
406 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
407 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
408 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
409 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
410
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
411 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
412 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
413 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
414 info.mapper_type = MAPPER_NONE;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415 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
416 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
417 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
418 info.rom = rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
419 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
420 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
421 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
422 return info;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
423 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
424
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
425 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
426 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
427 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
428 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
429 tern_node *root;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
430 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
431 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
432 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
433 int index;
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
434 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
435 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
436 } 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
437
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
438 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
439 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
440 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
441 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
442 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
443 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
444 }
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
445 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
446 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
447 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
448 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
449 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
450 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
451 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
452 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
453 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
454 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
455 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
456 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
457
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
458 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
459 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
460 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
461 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
462 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
463 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
464 }
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
465 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
466 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
467 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
468 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
469 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
470 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
471 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
472 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
473 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
474 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
475 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
476 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
477 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
478 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
479 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
480 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
481
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
482 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
483 {
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 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
485 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
486 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
487 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
488 }
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
489 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
490 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
491 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
492 }
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
493 state->info->save_mask = nearest_pow2(state->info->save_size)-1;
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
494 state->info->save_buffer = calloc(state->info->save_size, 1);
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
495 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
496 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
497 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
498 } 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
499 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
500 } 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
501 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
502 }
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
503 }
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
504 }
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
505
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
506 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
507 {
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
508 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
509 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
510 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
511 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
512 }
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
513 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
514 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
515 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
516 }
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
517 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
518 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
519 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
520 }
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
521 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
522 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
523 } 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
524 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
525 }
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 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
527 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
528 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
529 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
530 }
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 }
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
532
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
533 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
534 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
535 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
536 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
537 if (!size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
538 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
539 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
540 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
541 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
542 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
543 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
544 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
545 if (!page_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
546 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
547 }
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
548 uint32_t save_page_size = atoi(page_size);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
549 if (!save_page_size) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
550 fatal_error("NOR page size %s is invalid\n", page_size);
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
551 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
552 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
553 if (!product_id) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
554 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
555 }
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
556 uint16_t save_product_id = strtol(product_id, NULL, 16);
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
557 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
558 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
559 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
560 } 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
561 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
562 } else {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
563 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
564 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
565 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
566 state->info->save_buffer = malloc(state->info->save_size);
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
567 char *init = tern_find_path_default(state->root, "NOR\0init\0", (tern_val){.ptrval="FF"}, TVAL_PTR).ptrval;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
568 if (!strcmp(init, "ROM")) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
569 uint32_t init_size = state->rom_size > state->info->save_size ? state->info->save_size : state->rom_size;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
570 memcpy(state->info->save_buffer, state->rom, init_size);
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
571 if (init_size < state->info->save_size) {
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
572 memset(state->info->save_buffer + init_size, 0xFF, state->info->save_size - init_size);
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
573 }
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
574 if (state->info->save_bus == RAM_FLAG_BOTH) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
575 byteswap_rom(state->info->save_size, (uint16_t *)state->info->save_buffer);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
576 }
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
577 } else {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
578 memset(state->info->save_buffer, strtol(init, NULL, 16), state->info->save_size);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
579 }
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
580 state->info->nor = calloc(1, sizeof(nor_state));
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
581 nor_flash_init(state->info->nor, state->info->save_buffer, state->info->save_size, save_page_size, save_product_id, state->info->save_bus);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
582 char *cmd1 = tern_find_path(state->root, "NOR\0cmd_address1\0", TVAL_PTR).ptrval;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
583 if (cmd1) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
584 state->info->nor->cmd_address1 = strtol(cmd1, NULL, 16);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
585 }
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
586 char *cmd2 = tern_find_path(state->root, "NOR\0cmd_address2\0", TVAL_PTR).ptrval;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
587 if (cmd2) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
588 state->info->nor->cmd_address2 = strtol(cmd2, NULL, 16);
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
589 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
590 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
591 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
592
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
593 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
594 {
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
595 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
596 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
597 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
598 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
599 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
600 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
601 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
602 }
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
603 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
604 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
605 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
606 }
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1610
diff changeset
607 debug_message("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);
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
608 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
609 }
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
610
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
611 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
612 {
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
613 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
614 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
615 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
616 }
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
617 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
618 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
619 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
620 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
621 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
622 }
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
623 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
624 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
625 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
626 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
627 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
628 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
629 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
630 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
631 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
632 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
633 } 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
634 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
635 }
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
636 } 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
637 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
638 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
639 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
640 } 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
641 //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
642 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
643 } 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
644 //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
645 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
646 }
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
647 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
648 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
649 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
650 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
651 matching_chunks++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
652 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
653 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
654 if (matching_chunks == 0) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
655 //Nothing mapped in the relevant range for the lock-on cart, ignore this mapping
1593
24508cb54f87 Fix a number of other memory errors (mostly leaks again) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents: 1592
diff changeset
656 free_rom_info(&lock_info);
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
657 return;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
658 } 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
659 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
660 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
661 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
662 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
663 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
664 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
665 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
666 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
667 continue;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
668 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
669 *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
670 if (map->start < 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
671 if (map->buffer) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
672 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
673 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
674 map->start = 0x200000;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
675 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
676 map++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
677 state->index++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
678 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
679 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
680 //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
681 if (state->lock_on) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
682 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
683 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
684 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
685 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
686 state->info->save_mask = lock_info.save_mask;
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
687 state->info->nor = lock_info.nor;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
688 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
689 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
690 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
691 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
692 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
693 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
694 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
695 } 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
696 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
697 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
698
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
699 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
700 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
701 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
702 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
703 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
704 } 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
705 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
706 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
707 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
708 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
709 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
710 } 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
711 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
712 }
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
713 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
714 } 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
715 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
716 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
717 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
718 }
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
719 map->buffer = calloc(size, 1);
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
720 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
721 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
722 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
723 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
724 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
725 } 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
726 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
727 } 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
728 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
729 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
730 } 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
731 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
732
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
733 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
734 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
735 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
736 map->read_8 = nor_flash_read_b;
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
737 if (state->info->save_bus == RAM_FLAG_BOTH) {
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
738 map->flags |= MMAP_READ_CODE | MMAP_CODE;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
739 map->buffer = state->info->save_buffer;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1513
diff changeset
740 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
741 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
742 } 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
743 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
744 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
745 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
746 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
747 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
748 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
749 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
750 } 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
751 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
752 } 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
753 //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
754 //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
755 //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
756 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
757 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
758 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
759 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
760 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
761 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
762 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
763 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
764 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
765 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
766 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
767 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
768 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
769 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
770 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
771 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
772 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
773 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
774 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
775 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
776 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
777 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
778 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
779 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
780 }
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
781 state->index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
782 map++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
783 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
784 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
785 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
786 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
787 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
788 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
789 {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
790 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
791 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
792 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
793 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
794 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
795 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
796 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
797 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
798 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
799 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
800 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
801 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
802 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
803 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
804 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
805 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
806 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
807 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
808 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
809 }
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
810 }
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
811 }
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
812 }
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
813 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
814 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
815 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
816 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
817 map->write_8 = (write_8_fun)write_bank_reg_b;
1822
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1810
diff changeset
818 #ifndef IS_LIB
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
819 } 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
820 //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
821 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
822 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
823 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
824 map->read_16 = menu_read_w;
1822
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1810
diff changeset
825 #endif
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
826 } 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
827 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
828 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
829 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
830 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
831 *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
832 } 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
833 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
834 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
835 //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
836 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
837 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
838 state->rom_size *= 2;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
839 //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
840 state->info->map_chunks+=1;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
841 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
842 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
843 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
844 map->buffer = state->rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
845 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
846 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
847 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
848 map++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
849 state->index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
850 map->start = 0xA13000;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
851 map->end = 0xA13100;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
852 map->mask = 0xFF;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
853 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
854 map->write_8 = write_multi_game_b;
1513
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
855 } else if (!strcmp(dtype, "megawifi")) {
1548
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
856 if (!strcmp(
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
857 "on",
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
858 tern_find_path_default(config, "system\0megawifi\0", (tern_val){.ptrval="off"}, TVAL_PTR).ptrval)
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
859 ) {
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
860 map->write_16 = megawifi_write_w;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
861 map->write_8 = megawifi_write_b;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
862 map->read_16 = megawifi_read_w;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
863 map->read_8 = megawifi_read_b;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
864 map->mask = 0xFFFFFF;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
865 } else {
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
866 warning("ROM uses MegaWiFi, but it is disabled\n");
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
867 return;
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
868 }
1610
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
869 } else if (!strcmp(dtype, "jcart")) {
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
870 state->info->mapper_type = MAPPER_JCART;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
871 map->write_16 = jcart_write_w;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
872 map->write_8 = jcart_write_b;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
873 map->read_16 = jcart_read_w;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
874 map->read_8 = jcart_read_b;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
875 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
876 } 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
877 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
878 }
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
879 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
880 }
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
881
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
882 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
883 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
884 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
885 uint8_t *rom = vrom;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
886 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
887 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
888 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
889 if (rom[GAME_ID_OFF + i] <= ' ') {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
890 product_id[i] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
891 break;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
892 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
893 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
894
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
895 }
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1610
diff changeset
896 debug_message("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
897 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
898 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
899 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
900 bin_to_hex(hex_hash, raw_hash, 20);
1792
52a47611a273 Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents: 1610
diff changeset
901 debug_message("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
902 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
903 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
904 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
905 }
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
906 if (!entry) {
1810
73a9d06413bc Restore some newlines in debug output that got lost when fixing GDB remote debugging issue
Michael Pavone <pavone@retrodev.com>
parents: 1794
diff changeset
907 debug_message("Not found in ROM DB, examining header\n\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
908 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
909 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
910 }
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
911 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
912 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
913 }
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
914 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
915 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
916 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
917 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
918 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
919 if (info.name) {
1810
73a9d06413bc Restore some newlines in debug output that got lost when fixing GDB remote debugging issue
Michael Pavone <pavone@retrodev.com>
parents: 1794
diff changeset
920 debug_message("Found name: %s\n\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
921 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
922 } 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
923 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
924 }
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
925
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
926 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
927 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
928 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
929 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
930 {
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
931 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
932 }
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
933 }
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
934 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
935 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
936 }
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
937
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
938 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
939 info.rom = vrom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
940 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
941 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
942 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
943 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
944 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
945 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
946 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
947 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
948 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
949 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
950 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
951 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
952 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
953 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
954 .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
955 .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
956 .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
957 .root = entry,
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
958 .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
959 .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
960 .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
961 .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
962 .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
963 .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
964 };
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
965 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
966 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
967 info.rom = state.rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
968 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
969 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
970 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
971 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
972 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
973 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
974 }
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
975
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
976 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
977 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
978 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
979 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
980 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
981 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
982 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
983 }
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
984 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
985
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
986 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
987 }