annotate romdb.c @ 2283:6f6f21d0c396

Fix missing address masks on some VRAM reads
author Michael Pavone <pavone@retrodev.com>
date Mon, 09 Jan 2023 00:15:26 -0800
parents fd68fe5f723e
children 8016dbb0fcde
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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"
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.
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6 #include "hash.h"
1103
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"
1513
8f3b6a64b658 Initial work on MegaWiFi support
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14 #include "megawifi.h"
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c206a422d466 Added J-Cart support
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15 #include "jcart.h"
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94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
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16 #include "blastem.h"
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fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
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17 #include "sft_mapper.h"
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18
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19 #define DOM_TITLE_START 0x120
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20 #define DOM_TITLE_END 0x150
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21 #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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22 #define TITLE_END (TITLE_START+48)
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23 #define ROM_END 0x1A4
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24 #define RAM_ID 0x1B0
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25 #define RAM_FLAGS 0x1B2
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26 #define RAM_START 0x1B4
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27 #define RAM_END 0x1B8
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28 #define REGION_START 0x1F0
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29
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30 char const *save_type_name(uint8_t save_type)
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31 {
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32 if (save_type == SAVE_I2C) {
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33 return "EEPROM";
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34 } else if(save_type == SAVE_NOR) {
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35 return "NOR Flash";
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36 } else if(save_type == SAVE_HBPT) {
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37 return "Heartbeat Personal Trainer";
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38 }
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39 return "SRAM";
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40 }
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41
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a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded
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42 tern_node *get_rom_db()
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43 {
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44 static tern_node *db;
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45 if (!db) {
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46 db = parse_bundled_config("rom.db");
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47 if (!db) {
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48 fatal_error("Failed to load ROM DB\n");
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49 }
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50 }
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51 return db;
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52 }
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53
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54 void free_rom_info(rom_info *info)
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55 {
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56 free(info->name);
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57 if (info->save_type != SAVE_NONE) {
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58 free(info->save_buffer);
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59 if (info->save_type == SAVE_I2C) {
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60 free(info->eeprom_map);
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61 } else if (info->save_type == SAVE_NOR) {
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62 free(info->nor);
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63 }
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64 }
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65 free(info->map);
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66 }
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67
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68 void cart_serialize(system_header *sys, serialize_buffer *buf)
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69 {
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70 if (sys->type != SYSTEM_GENESIS) {
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71 return;
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72 }
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73 genesis_context *gen = (genesis_context *)sys;
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74 if (gen->mapper_type == MAPPER_NONE) {
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75 return;
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76 }
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77 start_section(buf, SECTION_MAPPER);
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78 save_int8(buf, gen->mapper_type);
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79 switch(gen->mapper_type)
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80 {
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81 case MAPPER_SEGA:
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82 case MAPPER_SEGA_SRAM:
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3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
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83 case MAPPER_SEGA_MED_V2:
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84 sega_mapper_serialize(gen, buf);
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85 break;
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86 case MAPPER_REALTEC:
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87 realtec_serialize(gen, buf);
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88 break;
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89 case MAPPER_XBAND:
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90 xband_serialize(gen, buf);
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91 break;
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92 case MAPPER_MULTI_GAME:
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93 multi_game_serialize(gen, buf);
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94 break;
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95 }
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96 end_section(buf);
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97 }
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98
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99 void cart_deserialize(deserialize_buffer *buf, void *vcontext)
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100 {
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101 genesis_context *gen = vcontext;
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102 uint8_t mapper_type = load_int8(buf);
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103 if (mapper_type != gen->mapper_type && (mapper_type != MAPPER_SEGA || gen->mapper_type != MAPPER_SEGA_SRAM)) {
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104 warning("Mapper type mismatch, skipping load of mapper state\n");
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105 return;
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106 }
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107 switch(gen->mapper_type)
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108 {
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109 case MAPPER_SEGA:
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110 case MAPPER_SEGA_SRAM:
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111 sega_mapper_deserialize(buf, gen);
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112 break;
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113 case MAPPER_REALTEC:
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114 realtec_deserialize(buf, gen);
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115 break;
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116 case MAPPER_XBAND:
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117 xband_deserialize(buf, gen);
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118 break;
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119 case MAPPER_MULTI_GAME:
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120 multi_game_deserialize(buf, gen);
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121 break;
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122 }
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123 }
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124
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125 char *get_header_name(uint8_t *rom)
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126 {
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127 //TODO: Should probably prefer the title field that corresponds to the user's region preference
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128 uint8_t *last = rom + TITLE_END - 1;
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129 uint8_t *src = rom + TITLE_START;
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130
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131 for (;;)
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132 {
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133 while (last > src && (*last <= 0x20 || *last >= 0x80))
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
134 {
1006
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
135 last--;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
136 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
137 if (last == src) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
138 if (src == rom + TITLE_START) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
139 src = rom + DOM_TITLE_START;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
140 last = rom + DOM_TITLE_END - 1;
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 return strdup("UNKNOWN");
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
143 }
1006
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
144 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
145 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
146 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
147 uint8_t *dst;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
148 uint8_t last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
149 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
150 {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
151 if (*src >= 0x20 && *src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
152 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
153 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
154 continue;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
155 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
156 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
157 } else {
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
158 last_was_space = 0;
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++) = *src;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
161 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
162 }
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
163 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents: 938
diff changeset
164 return ret;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
169 char *region_chars = "JUEW";
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
170 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
171
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 uint8_t translate_region_char(uint8_t c)
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
173 {
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
174 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
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 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
177 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
178 }
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
179 }
1195
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
180 uint8_t bin_region = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
181 if (c >= '0' && c <= '9') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
182 bin_region = c - '0';
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
183 } else if (c >= 'A' && c <= 'F') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
184 bin_region = c - 'A' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
185 } else if (c >= 'a' && c <= 'f') {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
186 bin_region = c - 'a' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
187 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
188 uint8_t ret = 0;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
189 if (bin_region & 8) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
190 ret |= REGION_E;
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 & 4) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
193 ret |= REGION_U;
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 if (bin_region & 1) {
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
196 ret |= REGION_J;
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
197 }
b8ba086b96ed Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
198 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
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
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 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
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 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
204 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
205 {
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 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
207 }
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
208 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
209 }
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
210
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
211 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
212 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
213 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
214 }
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
215
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
216 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
217 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
218 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
219 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
220 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
221 } 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
222 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
223 } 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
224 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
225 }
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
226 }
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
227
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
228 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
229 {
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
230 return rom_size >= (RAM_END + 4) && rom[RAM_ID] == 'R' && rom[RAM_ID + 1] == 'A';
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
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
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 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
234 {
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 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
243 }
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
244 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
245 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
246 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
247 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
248 }
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 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
250 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
251 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
252 }
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
253
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
254 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
255 {
777
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
256 uint32_t rom_end = get_u32be(rom + ROM_END) + 1;
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
257 uint32_t rom_end_raw = rom_end;
777
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
258 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
259 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
260 } 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
261 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
262 }
1898
ebf124803a93 Make sure save_type is properly initialized
Mike Pavone <pavone@retrodev.com>
parents: 1863
diff changeset
263 info->save_type = SAVE_NONE;
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
264 uint8_t is_med_ssf = size >= 0x108 && !memcmp("SEGA SSF", rom + 0x100, 8);
2097
0407d812cb4a Fix off-by-one in sega mapper heuristic
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
265 if (is_med_ssf || (size > 0x400000 && rom_end_raw <= 0x400000)) {
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
266 if (is_med_ssf && rom_end < 16*1024*1024) {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
267 info->rom = rom = realloc(rom, 16*1024*1024);
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
268 }
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
269 info->mapper_start_index = 0;
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
270 info->mapper_type = is_med_ssf ? MAPPER_SEGA_MED_V2 : 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
271 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
272 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
273 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
274 memcpy(info->map+9, base_map, sizeof(memmap_chunk) * base_chunks);
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
275
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
276 int i;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
277 uint16_t map_flags;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
278 if (is_med_ssf) {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
279 i = 0;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
280 map_flags = info->map[i].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
281 info->save_type = RAM_FLAG_BOTH;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
282 info->save_size = 256*1024;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
283 info->save_mask = info->save_size - 1;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
284 info->save_buffer = rom + 16*1024*1024 - 256*1024;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
285 } else {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
286 i = 1;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
287 map_flags = info->map[i].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
288 info->map[0].start = 0;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
289 info->map[0].end = 0x80000;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
290 info->map[0].mask = 0xFFFFFF;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
291 info->map[0].flags = MMAP_READ;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
292 info->map[0].buffer = rom;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
293
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
294 if (has_ram_header(rom, size)){
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
295 read_ram_header(info, rom);
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
296 }
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
297 }
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
298 static const write_8_fun med_w8[] = {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
299 write_med_ram0_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
300 write_med_ram1_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
301 write_med_ram2_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
302 write_med_ram3_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
303 write_med_ram4_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
304 write_med_ram5_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
305 write_med_ram6_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
306 write_med_ram7_b,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
307 };
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
308 static const write_16_fun med_w16[] = {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
309 write_med_ram0_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
310 write_med_ram1_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
311 write_med_ram2_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
312 write_med_ram3_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
313 write_med_ram4_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
314 write_med_ram5_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
315 write_med_ram6_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
316 write_med_ram7_w,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
317 };
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
318
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
319 for (; i < 8; i++)
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
320 {
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
321 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
322 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
323 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
324 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
325 info->map[i].ptr_index = i;
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
326 info->map[i].flags = map_flags;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
327
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
328 info->map[i].read_16 = is_med_ssf ? NULL : (read_16_fun)read_sram_w;//these will only be called when mem_pointers[i] == NULL
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
329 info->map[i].read_8 = is_med_ssf ? NULL : (read_8_fun)read_sram_b;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
330 if (is_med_ssf) {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
331 info->map[i].write_16 = med_w16[i];
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
332 info->map[i].write_8 = med_w8[i];
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
333 } else {
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
334 info->map[i].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
335 info->map[i].write_8 = (write_8_fun)write_sram_area_b;
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
336 }
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
337 }
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
338 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
339 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
340 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
341 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
342 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
343 return;
1794
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
344 } 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
345 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
346 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
347 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
348 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
349 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
350 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
351 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
352 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
353 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
354 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
355 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
356 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
357 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
358 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
359 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
360 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
361 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
362 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
363 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
364 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
365 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
366 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
367 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
368 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
369 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
370 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
371 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
372 if (!strcmp(
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
373 "on",
1794
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
374 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
375 ) {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
376 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
377 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
378 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
379 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
380 } else {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
381 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
382 }
4cd226288958 Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents: 1792
diff changeset
383 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
384 } 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
385 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
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 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
388 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
389 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
390 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
391 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
392
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 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
394 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
395 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
396 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
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 //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
399 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
400 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
401 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
402
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
403 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
404 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
405 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
406 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
407
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
408 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
409 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
410 } 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
411 info->map[1].flags |= MMAP_ONLY_EVEN;
2034
8b2ef428d1aa Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents: 2027
diff changeset
412 } else {
8b2ef428d1aa Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents: 2027
diff changeset
413 info->map[1].flags |= MMAP_CODE;
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
414 }
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
415 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
416 } 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
417 //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
418 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
419 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
420 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
421 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
422 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
423
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
424 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
425 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
426 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
427 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
428 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
429 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
430 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
431 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
432 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
433 info->map[1].buffer = rom + 0x200000;
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
434
1916
6ece1e2c7a15 Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents: 1898
diff changeset
435 //Last entry in the base map is a catch all one that needs to be
6ece1e2c7a15 Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents: 1898
diff changeset
436 //after all the other entries
6ece1e2c7a15 Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents: 1898
diff changeset
437 memmap_chunk *unused = info->map + info->map_chunks - 2;
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
438 memmap_chunk *last = info->map + info->map_chunks - 1;
1916
6ece1e2c7a15 Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents: 1898
diff changeset
439 *last = *unused;
6ece1e2c7a15 Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents: 1898
diff changeset
440 last = unused;
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
441 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
442 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
443 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
444 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
445 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
446 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
447 }
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
448 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
449 }
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
450 }
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
451
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
452 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
453 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
454 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
455 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
456
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
457 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
458 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
459 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
460 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
461 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
462 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
463
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
464 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
465 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
466 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
467 info.mapper_type = MAPPER_NONE;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
468 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
469 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
470 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
471 info.rom = rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
472 info.rom_size = rom_size;
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
473 info.wants_cd = 0;
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
474 for (uint32_t offset = 0x190; offset < rom_size && offset < 0x1A0; offset++)
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
475 {
2161
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
476 uint8_t invalid = 0;
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
477 switch(rom[offset])
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
478 {
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
479 case 'J':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
480 case '6':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
481 case '0':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
482 case 'A':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
483 case '4':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
484 case 'G':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
485 case 'L':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
486 case 'M':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
487 case 'B':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
488 case 'K':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
489 case 'R':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
490 case 'D':
2163
0bf077df45c3 Fix regression in Mode 1 CD detection
Michael Pavone <pavone@retrodev.com>
parents: 2161
diff changeset
491 case 'P':
2161
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
492 //valid device letter
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
493 //TODO: do something with these
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
494 break;
2163
0bf077df45c3 Fix regression in Mode 1 CD detection
Michael Pavone <pavone@retrodev.com>
parents: 2161
diff changeset
495 case ' ':
0bf077df45c3 Fix regression in Mode 1 CD detection
Michael Pavone <pavone@retrodev.com>
parents: 2161
diff changeset
496 //blanks are okay
0bf077df45c3 Fix regression in Mode 1 CD detection
Michael Pavone <pavone@retrodev.com>
parents: 2161
diff changeset
497 break;
2161
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
498 case 'F':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
499 case 'T':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
500 //unreleased peripheral, probably garbage
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
501 invalid = 1;
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
502 break;
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
503 case 'C':
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
504 info.wants_cd = 1;
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
505 break;
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
506 default:
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
507 invalid = 1;
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
508 }
2161
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
509 if (invalid) {
6a954675d634 Improved detection of bogus device headers
Michael Pavone <pavone@retrodev.com>
parents: 2159
diff changeset
510 info.wants_cd = 0;
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
511 break;
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
512 }
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
513 }
2109
5d575c42fff5 Fix regression in MED extended sega mapper support
Michael Pavone <pavone@retrodev.com>
parents: 2097
diff changeset
514 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
5d575c42fff5 Fix regression in MED extended sega mapper support
Michael Pavone <pavone@retrodev.com>
parents: 2097
diff changeset
515 info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL;
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
516
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
517 return info;
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
518 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
519
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
520 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
521 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
522 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
523 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
524 tern_node *root;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
525 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
526 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
527 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
528 int index;
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
529 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
530 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
531 } 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
532
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
533 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
534 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
535 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
536 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
537 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
538 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
539 }
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
540 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
541 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
542 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
543 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
544 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
545 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
546 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
547 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
548 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
549 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
550 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
551 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
552
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
553 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
554 {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
555 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
556 if (bit < 0 || bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
557 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
558 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
559 }
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
560 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
561 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
562 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
563 }
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
564 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
565 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
566 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
567 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
568 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
569 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
570 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
571 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
572 return;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
573 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
574 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
575 }
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
576
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
577 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
578 {
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
579 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
580 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
581 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
582 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
583 }
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
584 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
585 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
586 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
587 }
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
588 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
589 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
590 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
591 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
592 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
593 } 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
594 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
595 } 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
596 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
597 }
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 }
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
599 }
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
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 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
602 {
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
603 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
604 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
605 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
606 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
607 }
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->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
609 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
610 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
611 }
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
612 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
613 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
614 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
615 }
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
616 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
617 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
618 } 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
619 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
620 }
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
621 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
622 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
623 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
624 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
625 }
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
626 }
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
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
628 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
629 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
630 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
631 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
632 if (!size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
633 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
634 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
635 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
636 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
637 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
638 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
639 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
640 if (!page_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
641 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
642 }
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
643 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
644 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
645 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
646 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
647 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
648 if (!product_id) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
649 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
650 }
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
651 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
652 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
653 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
654 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
655 } 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
656 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
657 } else {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
658 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
659 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
660 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
661 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
662 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
663 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
664 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
665 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
666 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
667 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
668 }
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
669 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
670 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
671 }
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
672 } 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
673 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
674 }
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
675 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
676 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
677 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
678 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
679 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
680 }
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
681 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
682 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
683 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
684 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
685 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
686 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
687
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
688 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
689 {
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
690 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
691 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
692 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
693 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
694 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
695 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
696 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
697 }
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
698 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
699 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
700 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
701 }
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
702 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
703 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
704 }
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
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
706 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
707 {
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 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
709 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
710 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
711 }
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
712 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
713 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
714 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
715 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
716 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
717 }
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
718 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
719 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
720 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
721 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
722 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
723 if (!strcmp(dtype, "ROM")) {
2150
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
724 uint32_t expanded_size = nearest_pow2(state->rom_size);
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
725 if (offset >= expanded_size) {
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
726 fatal_error("offset of %X is invalid for ROM size of %X in map entry %d with addess %s\n", offset, state->rom_size, state->index, key);
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
727 }
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
728 map->buffer = state->rom + offset;
2150
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
729 map->mask = calc_mask(nearest_pow2(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
730 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
731 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
732 } 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
733 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
734 }
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
735 } 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
736 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
737 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
738 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
739 } 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
740 //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
741 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
742 } 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
743 //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
744 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
745 }
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
746 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
747 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
748 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
749 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
750 matching_chunks++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
751 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
752 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
753 if (matching_chunks == 0) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
754 //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
755 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
756 return;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
757 } 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
758 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
759 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
760 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
761 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
762 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
763 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
764 {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
765 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
766 continue;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
767 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
768 *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
769 if (map->start < 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
770 if (map->buffer) {
1952
42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents: 1916
diff changeset
771 uint8_t *buf = map->buffer;
42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents: 1916
diff changeset
772 buf += (0x200000 - map->start) & ((map->flags & MMAP_AUX_BUFF) ? map->aux_mask : map->mask);
42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents: 1916
diff changeset
773 map->buffer = buf;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
774 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
775 map->start = 0x200000;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
776 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
777 map++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
778 state->index++;
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
779 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
780 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
781 //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
782 if (state->lock_on) {
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
783 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
784 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
785 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
786 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
787 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
788 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
789 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
790 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
791 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
792 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
793 }
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
794 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
795 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
796 } 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
797 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
798 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
799
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
800 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
801 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
802 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
803 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
804 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
805 } 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
806 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
807 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
808 map->flags = MMAP_READ | MMAP_WRITE;
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
809 uint32_t save_size_mask = state->info->save_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
810 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
811 map->flags |= MMAP_ONLY_ODD;
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
812 save_size_mask *= 2;
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
813 } 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
814 map->flags |= MMAP_ONLY_EVEN;
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
815 save_size_mask *= 2;
2034
8b2ef428d1aa Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents: 2027
diff changeset
816 } else {
8b2ef428d1aa Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents: 2027
diff changeset
817 map->flags |= MMAP_CODE;
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
818 }
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
819 map->mask = calc_mask(save_size_mask, 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
820 } 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
821 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
822 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
823 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
824 }
1847
882746581f17 Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents: 1822
diff changeset
825 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
826 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
827 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
828 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
829 map->flags |= MMAP_ONLY_ODD;
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
830 size *= 2;
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
831 } 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
832 map->flags |= MMAP_ONLY_EVEN;
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
833 size *= 2;
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
834 } 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
835 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
836 }
2154
2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM
Michael Pavone <pavone@retrodev.com>
parents: 2150
diff changeset
837 map->mask = calc_mask(size, start, end);
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
838 } 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
839 process_nor_def(key, state);
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
840
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
841 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
842 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
843 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
844 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
845 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
846 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
847 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
848 }
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1394
diff changeset
849 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
850 } 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
851 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
852 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
853 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
854 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
855 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
856 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
857 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
858 } 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
859 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
860 } 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
861 //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
862 //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
863 //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
864 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
865 }
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
866 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
867 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
868 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
869 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
870 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
871 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
872 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
873 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
874 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
875 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
876 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
877 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
878 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
879 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
880 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
881 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
882 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
883 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
884 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
885 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
886 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
887 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
888 }
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
889 state->index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
890 map++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
891 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
892 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
893 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
894 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
895 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
896 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
897 {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
898 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
899 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
900 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
901 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
902 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
903 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
904 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
905 } else {
1413
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
906 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
907 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
908 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
909 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
910 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
911 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
912 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents: 1411
diff changeset
913 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
914 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
915 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
916 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
917 }
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
918 }
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
919 }
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
920 }
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
921 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
922 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
923 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
924 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
925 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
926 #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
927 } 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
928 //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
929 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
930 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
931 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
932 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
933 #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
934 } 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
935 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
936 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
937 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
938 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
939 *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
940 } 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
941 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
942 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
943 //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
944 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
945 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
946 state->rom_size *= 2;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
947 //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
948 state->info->map_chunks+=1;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
949 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
950 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
951 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
952 map->buffer = state->rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
953 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
954 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
955 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
956 map++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
957 state->index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
958 map->start = 0xA13000;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
959 map->end = 0xA13100;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
960 map->mask = 0xFF;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
961 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
962 map->write_8 = write_multi_game_b;
1513
8f3b6a64b658 Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents: 1470
diff changeset
963 } 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
964 if (!strcmp(
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
965 "on",
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
966 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
967 ) {
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
968 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
969 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
970 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
971 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
972 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
973 } 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
974 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
975 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
976 }
1610
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
977 } else if (!strcmp(dtype, "jcart")) {
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
978 state->info->mapper_type = MAPPER_JCART;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
979 map->write_16 = jcart_write_w;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
980 map->write_8 = jcart_write_b;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
981 map->read_16 = jcart_read_w;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
982 map->read_8 = jcart_read_b;
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
983 map->mask = 0xFFFFFF;
2253
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
984 } else if (!strcmp(dtype, "sft-wukong-fixed") || !strcmp(dtype, "sft-wukong-remap")) {
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
985 state->info->mapper_type = MAPPER_SFT_WUKONG;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
986 uint32_t expanded_size = nearest_pow2(state->rom_size);
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
987 if (offset >= expanded_size) {
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
988 fatal_error("offset of %X is invalid for ROM size of %X in map entry %d with addess %s\n", offset, state->rom_size, state->index, key);
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
989 }
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
990 map->buffer = state->rom + offset;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
991 map->mask = calc_mask(nearest_pow2(state->rom_size) - offset, start, end);
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
992 map->write_8 = sft_wukong_write_b;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
993 map->write_16 = sft_wukong_write_w;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
994 if (!strcmp(dtype, "sft-wukong-remap")) {
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
995 map->flags = MMAP_READ | MMAP_CODE | MMAP_PTR_IDX;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
996 state->info->mapper_start_index = state->ptr_index++;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
997 } else {
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
998 map->flags = MMAP_READ;
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
999 }
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
1000 } 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
1001 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
1002 }
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
1003 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
1004 }
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
1005
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
1006 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
1007 {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1008 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1009 uint8_t *rom = vrom;
2150
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1010 uint32_t expanded_size = nearest_pow2(rom_size);
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1011 if (expanded_size > rom_size) {
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1012 //generally carts with odd-sized ROMs have 2 power of 2 sized ROMs with the larger one first
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1013 //TODO: Handle cases in which the 2nd ROM/part is a maller power of 2 than just half the first one
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1014 uint32_t mirror_start = expanded_size >> 1;
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1015 uint32_t mirror_size = expanded_size >> 2;
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1016 if (mirror_start + mirror_size >= rom_size) {
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1017 memcpy(rom + mirror_start + mirror_size, rom + mirror_start, mirror_size);
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1018 }
a418fa599b2e Add ROM DB entry to fix SRAM on Triple Play: Gold Edition and make some code changes so that 3MB dumps will work too
Michael Pavone <pavone@retrodev.com>
parents: 2109
diff changeset
1019 }
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1020 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1021 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1022 {
2253
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
1023 if (i >= 3 && rom[GAME_ID_OFF + i] <= ' ') {
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1024 product_id[i] = 0;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1025 break;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1026 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1027 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
1028
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1029 }
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
1030 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
1031 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
1032 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
1033 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
1034 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
1035 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
1036 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
1037 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
1038 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
1039 }
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1040 if (!entry) {
2253
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
1041 entry = tern_find_node(rom_db, product_id + 3);
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
1042 }
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2163
diff changeset
1043 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
1044 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
1045 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
1046 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
1047 }
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
1048 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
1049 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
1050 }
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
1051 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
1052 }
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1053 rom_info info;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1425
diff changeset
1054 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
1055 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
1056 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
1057 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
1058 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
1059 } 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
1060 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
1061 }
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
1062
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
1063 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
1064 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
1065 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
1066 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
1067 {
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
1068 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
1069 }
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
1070 }
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
1071 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
1072 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
1073 }
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
1074
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
1075 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
1076 info.rom = vrom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
1077 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
1078 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
1079 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
1080 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
1081 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
1082 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
1083 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
1084 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
1085 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
1086 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
1087 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 768
diff changeset
1088 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
1089 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
1090 map_iter_state state = {
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
1091 .info = &info,
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
1092 .rom = 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
1093 .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
1094 .root = entry,
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1410
diff changeset
1095 .rom_db = rom_db,
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
1096 .rom_size = 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
1097 .lock_on_size = lock_on_size,
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2034
diff changeset
1098 .index = 0,
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
1099 .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
1100 .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
1101 };
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
1102 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
1103 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
1104 info.rom = state.rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1415
diff changeset
1105 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
1106 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
1107 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
1108 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
1109 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
1110 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
1111 }
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
1112
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
1113 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
1114 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
1115 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
1116 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
1117 info.ext_override = tern_find_ptr(device_overrides, "ext");
2027
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1118 if (
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1119 info.save_type == SAVE_NONE
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1120 && (
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1121 (info.port1_override && startswith(info.port1_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1122 || (info.port2_override && startswith(info.port2_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1123 || (info.ext_override && startswith(info.ext_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1124 )
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1125 ) {
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1126 info.save_type = SAVE_HBPT;
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1127 info.save_size = atoi(tern_find_path_default(entry, "HeartbeatTrainer\0size\0", (tern_val){.ptrval="512"}, TVAL_PTR).ptrval);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1128 info.save_buffer = calloc(info.save_size + 5 + 8, 1);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1129 memset(info.save_buffer, 0xFF, info.save_size);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1952
diff changeset
1130 }
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
1131 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
1132 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
1133 }
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
1134 info.mouse_mode = tern_find_ptr(entry, "mouse_mode");
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
1135 info.wants_cd = !strcmp(tern_find_ptr_default(entry, "wants_cd", "no"), "yes");
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
1136
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1137 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
1138 }