repos/blastem: romdb.c annotate

annotate romdb.c @ 2352:76dfad6a53b5

Fix bug in CD-ROM scrambling algorithm

author	Michael Pavone <pavone@retrodev.com>
date	Wed, 18 Oct 2023 23:27:14 -0700
parents	b9cd3c64652d
children	49b7ead35482

rev	line source
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <stdlib.h>
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 #include <string.h>
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 #include "config.h"
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "romdb.h"
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	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. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	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. Michael Pavone <pavone@retrodev.com> parents: 1091 diff changeset	7 #include "genesis.h"
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	8 #include "menu.h"
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: 1221 diff changeset	9 #include "xband.h"
1259 23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	10 #include "realtec.h"
1414 d94855080529 Move I2C EEPROM and NOR Flash functions out of romdb.c into new files Michael Pavone <pavone@retrodev.com> parents: 1413 diff changeset	11 #include "nor.h"
1415 f7d653bb8899 Move Sega mapper implementation out of romdb.c Michael Pavone <pavone@retrodev.com> parents: 1414 diff changeset	12 #include "sega_mapper.h"
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	13 #include "multi_game.h"
1513 8f3b6a64b658 Initial work on MegaWiFi support Michael Pavone <pavone@retrodev.com> parents: 1470 diff changeset	14 #include "megawifi.h"
1610 c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	15 #include "jcart.h"
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	16 #include "blastem.h"
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	17 #include "sft_mapper.h"
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	18
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	19 #define DOM_TITLE_START 0x120
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	20 #define DOM_TITLE_END 0x150
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	21 #define TITLE_START DOM_TITLE_END
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	22 #define TITLE_END (TITLE_START+48)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	23 #define ROM_END 0x1A4
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	24 #define RAM_ID 0x1B0
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	25 #define RAM_FLAGS 0x1B2
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	26 #define RAM_START 0x1B4
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	27 #define RAM_END 0x1B8
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	28 #define REGION_START 0x1F0
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	29
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	30 char const *save_type_name(uint8_t save_type)
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	31 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	32 if (save_type == SAVE_I2C) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	33 return "EEPROM";
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	34 } else if(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	35 return "NOR Flash";
2027 0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	36 } else if(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	37 return "Heartbeat Personal Trainer";
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	38 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	39 return "SRAM";
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	40 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	41
1503 a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	42 tern_node *get_rom_db()
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 {
1503 a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	44 static tern_node *db;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 if (!db) {
1503 a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	46 db = parse_bundled_config("rom.db");
a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	47 if (!db) {
a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	48 fatal_error("Failed to load ROM DB\n");
a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded Michael Pavone <pavone@retrodev.com> parents: 1444 diff changeset	49 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 return db;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	53
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	54 void free_rom_info(rom_info *info)
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	55 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	56 free(info->name);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	57 if (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	58 free(info->save_buffer);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	59 if (info->save_type == SAVE_I2C) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	60 free(info->eeprom_map);
1592 31effaadf877 Fix some memory errors (mostly leaks) identified by valgrind Michael Pavone <pavone@retrodev.com> parents: 1548 diff changeset	61 } else if (info->save_type == SAVE_NOR) {
31effaadf877 Fix some memory errors (mostly leaks) identified by valgrind Michael Pavone <pavone@retrodev.com> parents: 1548 diff changeset	62 free(info->nor);
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	63 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	64 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	65 free(info->map);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	66 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	67
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	68 void cart_serialize(system_header sys, serialize_buffer buf)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	69 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	70 if (sys->type != SYSTEM_GENESIS) {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	71 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	72 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	73 genesis_context gen = (genesis_context )sys;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	74 if (gen->mapper_type == MAPPER_NONE) {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	75 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	76 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	77 start_section(buf, SECTION_MAPPER);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	78 save_int8(buf, gen->mapper_type);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	79 switch(gen->mapper_type)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	80 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	81 case MAPPER_SEGA:
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	82 case MAPPER_SEGA_SRAM:
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	83 case MAPPER_SEGA_MED_V2:
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	84 sega_mapper_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	85 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	86 case MAPPER_REALTEC:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	87 realtec_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	88 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	89 case MAPPER_XBAND:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	90 xband_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	91 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	92 case MAPPER_MULTI_GAME:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	93 multi_game_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	94 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	95 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	96 end_section(buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	97 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	98
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	99 void cart_deserialize(deserialize_buffer buf, void vcontext)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	100 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	101 genesis_context *gen = vcontext;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	102 uint8_t mapper_type = load_int8(buf);
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	103 if (mapper_type != gen->mapper_type && (mapper_type != MAPPER_SEGA \|\| gen->mapper_type != MAPPER_SEGA_SRAM)) {
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	104 warning("Mapper type mismatch, skipping load of mapper state\n");
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	105 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	106 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	107 switch(gen->mapper_type)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	108 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	109 case MAPPER_SEGA:
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	110 case MAPPER_SEGA_SRAM:
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	111 sega_mapper_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	112 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	113 case MAPPER_REALTEC:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	114 realtec_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	115 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	116 case MAPPER_XBAND:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	117 xband_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	118 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	119 case MAPPER_MULTI_GAME:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	120 multi_game_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	121 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	122 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	123 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	124
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 char get_header_name(uint8_t rom)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	127 //TODO: Should probably prefer the title field that corresponds to the user's region preference
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 uint8_t *last = rom + TITLE_END - 1;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	129 uint8_t *src = rom + TITLE_START;
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	130
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	131 for (;;)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	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 < 1610241024) {
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, 1610241024);
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 + 1610241024 - 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;
2340 b9cd3c64652d Slightly more correct implementation of MED extended Sega mapper so s2built debug build doesn't hang Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	343 if (is_med_ssf) {
b9cd3c64652d Slightly more correct implementation of MED extended Sega mapper so s2built debug build doesn't hang Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	344 info->map[8].read_16 = med_reg_read_w;
b9cd3c64652d Slightly more correct implementation of MED extended Sega mapper so s2built debug build doesn't hang Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	345 info->map[8].read_8 = med_reg_read_b;
b9cd3c64652d Slightly more correct implementation of MED extended Sega mapper so s2built debug build doesn't hang Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	346 }
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	347 return;
1794 4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	348 } 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	349 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	350 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	351 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	352 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	353 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	354 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	355 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	356 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	357 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	358 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	359 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	360 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	361 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	362 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	363 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	364 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	365 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	366 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	367 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	368 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	369 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	370 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	371 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	372 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	373 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	374 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	375 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	376 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	377 "on",
1794 4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	378 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	379 ) {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	380 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	381 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	382 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	383 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	384 } else {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	385 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	386 }
4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	387 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	388 } 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	389 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	390
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	391 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	392 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	393 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	394 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	395 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	396
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space Michael Pavone <pavone@retrodev.com> parents: 1416 diff changeset	397 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	398 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	399 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	400 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	401 }
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 //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	403 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	404 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	405 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	406
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space Michael Pavone <pavone@retrodev.com> parents: 1416 diff changeset	407 info->map[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	408 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	409 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	410 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	411
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	412 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	413 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	414 } 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	415 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	416 } else {
8b2ef428d1aa Implement TMSS ROM and cart mapping register Michael Pavone <pavone@retrodev.com> parents: 2027 diff changeset	417 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	418 }
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[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	420 } 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	421 //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	422 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	423 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	424 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	425 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	426 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	427
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	428 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	429 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	430 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	431 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	432 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	433 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	434 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	435 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	436 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	437 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	438
1916 6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	439 //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	440 //after all the other entries
6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	441 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	442 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	443 last = unused;
6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	444 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	445 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	446 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	447 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	448 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	449 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	450 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	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 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	453 }
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 }
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	455
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	456 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	457 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	458 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	459 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	460
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	461 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	462 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	463 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	464 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	465 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	466 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	467
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	468 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	469 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 rom_info info;
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	471 info.mapper_type = MAPPER_NONE;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	472 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	473 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	474 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	475 info.rom = rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	476 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	477 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	478 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	479 {
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	480 uint8_t invalid = 0;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	481 switch(rom[offset])
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	482 {
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	483 case 'J':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	484 case '6':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	485 case '0':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	486 case 'A':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	487 case '4':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	488 case 'G':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	489 case 'L':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	490 case 'M':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	491 case 'B':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	492 case 'K':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	493 case 'R':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	494 case 'D':
2163 0bf077df45c3 Fix regression in Mode 1 CD detection Michael Pavone <pavone@retrodev.com> parents: 2161 diff changeset	495 case 'P':
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	496 //valid device letter
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	497 //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	498 break;
2163 0bf077df45c3 Fix regression in Mode 1 CD detection Michael Pavone <pavone@retrodev.com> parents: 2161 diff changeset	499 case ' ':
0bf077df45c3 Fix regression in Mode 1 CD detection Michael Pavone <pavone@retrodev.com> parents: 2161 diff changeset	500 //blanks are okay
0bf077df45c3 Fix regression in Mode 1 CD detection Michael Pavone <pavone@retrodev.com> parents: 2161 diff changeset	501 break;
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	502 case 'F':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	503 case 'T':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	504 //unreleased peripheral, probably garbage
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	505 invalid = 1;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	506 break;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	507 case 'C':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	508 info.wants_cd = 1;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	509 break;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	510 default:
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	511 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	512 }
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	513 if (invalid) {
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	514 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	515 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	516 }
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	517 }
2109 5d575c42fff5 Fix regression in MED extended sega mapper support Michael Pavone <pavone@retrodev.com> parents: 2097 diff changeset	518 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	519 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	520
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	521 return info;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	522 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	523
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 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	525 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	526 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	527 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	528 tern_node *root;
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	529 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	530 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	531 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	532 int index;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	533 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	534 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	535 } 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	536
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	537 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	538 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	539 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	540 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	541 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	542 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	543 }
1326 071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in Michael Pavone <pavone@retrodev.com> parents: 1324 diff changeset	544 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	545 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	546 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	547 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	548 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	549 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	550 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	551 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	552 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	553 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	554 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	555 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	556
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	557 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	558 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	559 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	560 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	561 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	562 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	563 }
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	564 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	565 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	566 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	567 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	568 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	569 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	570 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	571 map->sda_write_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 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	575 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	576 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	577 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	578 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	579 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	580
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 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	582 {
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 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	584 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	585 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	586 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	587 }
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	588 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	589 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	590 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	591 }
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	592 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	593 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	594 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	595 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	596 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	597 } 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	598 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	599 } 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	600 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	601 }
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 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	604
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 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	606 {
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 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	608 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	609 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	610 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	611 }
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	612 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	613 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	614 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	615 }
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	616 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	617 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	618 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	619 }
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 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	621 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	622 } 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	623 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	624 }
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 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	626 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	627 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	628 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	629 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	630 }
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	631
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	632 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	633 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	634 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	635 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	636 if (!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("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	638 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	639 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	640 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	641 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	642 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	643 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	644 if (!page_size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	645 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	646 }
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	647 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	648 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	649 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	650 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	651 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	652 if (!product_id) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	653 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	654 }
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	655 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	656 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	657 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	658 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	659 } 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	660 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	661 } else {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	662 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	663 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	664 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	665 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	666 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	667 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	668 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	669 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	670 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	671 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	672 }
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	673 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	674 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	675 }
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 } 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	677 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	678 }
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 = 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	680 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	681 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	682 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	683 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	684 }
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	685 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	686 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	687 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	688 }
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	689 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	690 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	691
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	692 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	693 {
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	694 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	695 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	696 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	697 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	698 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	699 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	700 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	701 }
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	702 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	703 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	704 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	705 }
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	706 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	707 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	708 }
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	709
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	710 char map_node_common(char key, tern_val val, uint8_t valtype, map_iter_state *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	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 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	713 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	714 }
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	715 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	716 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	717 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	718 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	719 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	720 }
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 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	722 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	723 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	724 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	725 map->end = end + 1;
2340 b9cd3c64652d Slightly more correct implementation of MED extended Sega mapper so s2built debug build doesn't hang Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	726
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	727 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	728 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	729 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	730 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	731 }
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	732 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	733 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	734 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	735 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	736 } 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	737 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	738 }
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	739 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	740 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	741 if (!strcmp(dtype, "EEPROM")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	742 process_eeprom_def(key, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	743 add_eeprom_map(node, start, end, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	744
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	745 map->write_16 = write_eeprom_i2c_w;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	746 map->write_8 = write_eeprom_i2c_b;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	747 map->read_16 = read_eeprom_i2c_w;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	748 map->read_8 = read_eeprom_i2c_b;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	749 map->mask = 0xFFFFFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	750 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	751 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	752 if (!strcmp(dtype, "SRAM")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	753 process_sram_def(key, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	754 map->buffer = state->info->save_buffer + offset;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	755 map->flags = MMAP_READ \| MMAP_WRITE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	756 uint32_t save_size_mask = state->info->save_size;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	757 if (state->info->save_type == RAM_FLAG_ODD) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	758 map->flags \|= MMAP_ONLY_ODD;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	759 save_size_mask *= 2;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	760 } else if(state->info->save_type == RAM_FLAG_EVEN) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	761 map->flags \|= MMAP_ONLY_EVEN;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	762 save_size_mask *= 2;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	763 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	764 map->flags \|= MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	765 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	766 map->mask = calc_mask(save_size_mask, start, end);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	767 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	768 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	769 if (!strcmp(dtype, "RAM")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	770 uint32_t size = strtol(tern_find_ptr_default(node, "size", "0"), NULL, 16);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	771 if (!size \|\| size > map->end - map->start) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	772 size = map->end - map->start;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	773 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	774 map->buffer = calloc(size, 1);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	775 map->flags = MMAP_READ \| MMAP_WRITE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	776 char *bus = tern_find_ptr_default(node, "bus", "both");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	777 if (!strcmp(bus, "odd")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	778 map->flags \|= MMAP_ONLY_ODD;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	779 size *= 2;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	780 } else if (!strcmp(bus, "even")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	781 map->flags \|= MMAP_ONLY_EVEN;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	782 size *= 2;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	783 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	784 map->flags \|= MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	785 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	786 map->mask = calc_mask(size, start, end);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	787 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	788 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	789 if (!strcmp(dtype, "NOR")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	790 process_nor_def(key, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	791
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	792 map->write_16 = nor_flash_write_w;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	793 map->write_8 = nor_flash_write_b;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	794 map->read_16 = nor_flash_read_w;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	795 map->read_8 = nor_flash_read_b;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	796 if (state->info->save_bus == RAM_FLAG_BOTH) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	797 map->flags \|= MMAP_READ_CODE \| MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	798 map->buffer = state->info->save_buffer;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	799 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	800 map->mask = 0xFFFFFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	801 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	802 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	803 if (!strcmp(dtype, "fixed")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	804 uint16_t *value = malloc(2);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	805 map->buffer = value;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	806 map->mask = 0;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	807 map->flags = MMAP_READ;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	808 *value = strtol(tern_find_ptr_default(node, "value", "0"), NULL, 16);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	809 return NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	810 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	811 return dtype;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	812 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	813
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	814 void map_iter_fun(char key, tern_val val, uint8_t valtype, void data)
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	815 {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	816 map_iter_state *state = data;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	817 char *dtype = map_node_common(key, val, valtype, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	818 if (!dtype) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	819 //entry was handled by common function
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	820 state->index++;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	821 return;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	822 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	823 tern_node *node = val.ptrval;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	824 memmap_chunk *map = state->info->map + state->index;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	825 uint32_t offset = strtol(tern_find_ptr_default(node, "offset", "0"), NULL, 16);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	826 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	827 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	828 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	829 lock_info = configure_rom(state->rom_db, state->lock_on, state->lock_on_size, NULL, 0, NULL, 0);
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	830 } else if (state->rom_size > map->start) {
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	831 //This is a bit of a hack to deal with pre-combined S3&K/S2&K ROMs and S&K ROM hacks
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	832 lock_info = configure_rom(state->rom_db, state->rom + map->start, state->rom_size - map->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	833 } 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	834 //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	835 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	836 }
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	837 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	838 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	839 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	840 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	841 matching_chunks++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	842 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	843 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	844 if (matching_chunks == 0) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	845 //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	846 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	847 return;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	848 } 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	849 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	850 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	851 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	852 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	853 }
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	854 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	855 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	856 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	857 continue;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	858 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	859 *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	860 if (map->start < 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	861 if (map->buffer) {
1952 42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension Michael Pavone <pavone@retrodev.com> parents: 1916 diff changeset	862 uint8_t *buf = map->buffer;
42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension Michael Pavone <pavone@retrodev.com> parents: 1916 diff changeset	863 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	864 map->buffer = buf;
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	865 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	866 map->start = 0x200000;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	867 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	868 map++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	869 state->index++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	870 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	871 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	872 //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	873 if (state->lock_on) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	874 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	875 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	876 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	877 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	878 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	879 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	880 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	881 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	882 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	883 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	884 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	885 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	886 return;
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	887 } 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	888 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	889 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	890 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	891 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	892 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	893 process_eeprom_def(key, state);
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	894 add_eeprom_map(node, map->start & map->mask, (map->end - 1) & 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	895 } 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	896 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	897 } 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	898 //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	899 //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	900 //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	901 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	902 }
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	903 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	904 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	905 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	906 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	907 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	908 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	909 map->buffer = state->rom + offset;
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	910 map->mask = calc_mask(state->rom_size - offset, map->start, map->end - 1);
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	911 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	912 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	913 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	914 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	915 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	916 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	917 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	918 } else {
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	919 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	920 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	921 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	922 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	923 }
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	924 state->index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	925 map++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	926 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	927 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	928 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	929 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	930 map = state->info->map + state->index;
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	931 uint32_t start = map->start;
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	932 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	933 {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	934 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	935 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	936 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	937 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	938 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	939 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	940 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	941 } else {
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	942 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	943 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	944 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	945 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	946 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	947 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	948 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	949 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	950 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	951 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	952 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	953 }
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	954 }
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	955 }
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	956 }
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	957 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	958 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	959 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	960 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	961 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	962 #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	963 } 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	964 //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	965 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	966 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	967 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	968 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	969 #endif
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	970 } 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	971 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	972 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	973 //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	974 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	975 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	976 state->rom_size *= 2;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	977 //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	978 state->info->map_chunks+=1;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	979 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	980 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	981 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	982 map->buffer = state->rom;
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	983 map->mask = calc_mask(state->rom_size, map->start, map->end - 1);
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	984 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	985 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	986 map++;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	987 state->index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	988 map->start = 0xA13000;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	989 map->end = 0xA13100;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	990 map->mask = 0xFF;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	991 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	992 map->write_8 = write_multi_game_b;
1513 8f3b6a64b658 Initial work on MegaWiFi support Michael Pavone <pavone@retrodev.com> parents: 1470 diff changeset	993 } 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	994 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	995 "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	996 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	997 ) {
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	998 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	999 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	1000 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	1001 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	1002 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	1003 } 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	1004 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	1005 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	1006 }
1610 c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1007 } else if (!strcmp(dtype, "jcart")) {
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1008 state->info->mapper_type = MAPPER_JCART;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1009 map->write_16 = jcart_write_w;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1010 map->write_8 = jcart_write_b;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1011 map->read_16 = jcart_read_w;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1012 map->read_8 = jcart_read_b;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	1013 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	1014 } 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	1015 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	1016 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	1017 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	1018 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	1019 }
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong Michael Pavone <pavone@retrodev.com> parents: 2163 diff changeset	1020 map->buffer = state->rom + offset;
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1021 map->mask = calc_mask(nearest_pow2(state->rom_size) - offset, map->start, map->end - 1);
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	1022 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	1023 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	1024 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	1025 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	1026 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	1027 } 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	1028 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	1029 }
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	1030 } 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	1031 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	1032 }
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	1033 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	1034 }
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	1035
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1036 void handle_io_overrides(tern_node entry, rom_info info)
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1037 {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1038 tern_node *device_overrides = tern_find_node(entry, "device_overrides");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1039 if (device_overrides) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1040 info->port1_override = tern_find_ptr(device_overrides, "1");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1041 info->port2_override = tern_find_ptr(device_overrides, "2");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1042 info->ext_override = tern_find_ptr(device_overrides, "ext");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1043 if (
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1044 info->save_type == SAVE_NONE
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1045 && (
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1046 (info->port1_override && startswith(info->port1_override, "heartbeat_trainer."))
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1047 \|\| (info->port2_override && startswith(info->port2_override, "heartbeat_trainer."))
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1048 \|\| (info->ext_override && startswith(info->ext_override, "heartbeat_trainer."))
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1049 )
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1050 ) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1051 info->save_type = SAVE_HBPT;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1052 info->save_size = atoi(tern_find_path_default(entry, "HeartbeatTrainer\0size\0", (tern_val){.ptrval="512"}, TVAL_PTR).ptrval);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1053 info->save_buffer = calloc(info->save_size + 5 + 8, 1);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1054 memset(info->save_buffer, 0xFF, info->save_size);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1055 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1056 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1057 info->port1_override = info->port2_override = info->ext_override = NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1058 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1059 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1060
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	1061 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	1062 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1063 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1064 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	1065 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	1066 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	1067 //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	1068 //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	1069 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	1070 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	1071 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	1072 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	1073 }
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	1074 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1075 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1076 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1077 {
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	1078 if (i >= 3 && rom[GAME_ID_OFF + i] <= ' ') {
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1079 product_id[i] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1080 break;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1081 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1082 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	1083
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1084 }
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	1085 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	1086 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	1087 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	1088 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	1089 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	1090 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	1091 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	1092 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	1093 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	1094 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1095 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	1096 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	1097 }
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong Michael Pavone <pavone@retrodev.com> parents: 2163 diff changeset	1098 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	1099 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	1100 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	1101 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	1102 }
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	1103 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	1104 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	1105 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1106 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	1107 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1108 rom_info info;
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	1109 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	1110 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	1111 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	1112 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	1113 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	1114 } 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	1115 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	1116 }
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	1117
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	1118 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	1119 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	1120 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	1121 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	1122 {
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	1123 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	1124 }
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	1125 }
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	1126 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	1127 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	1128 }
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	1129
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1130 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	1131 info.rom = vrom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1132 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	1133 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	1134 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	1135 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	1136 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	1137 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	1138 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	1139 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	1140 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	1141 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	1142 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	1143 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	1144 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	1145 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	1146 .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	1147 .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	1148 .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	1149 .root = entry,
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	1150 .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	1151 .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	1152 .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	1153 .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	1154 .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	1155 .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	1156 };
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	1157 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	1158 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	1159 info.rom = state.rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1160 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	1161 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1162 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	1163 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1164 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1165 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	1166 }
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	1167
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1168 handle_io_overrides(entry, &info);
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	1169 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	1170 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	1171
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1172 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	1173 }
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1174
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1175 void sms_sega_mapper_write(uint32_t location, void vcontext, uint8_t value);
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1176 void sms_cart_ram_write(uint32_t location, void vcontext, uint8_t value);
2325 26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1177 void sms_codemasters_bank0_write(uint32_t location, void vcontext, uint8_t value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1178 void sms_codemasters_bank1_write(uint32_t location, void vcontext, uint8_t value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1179 void sms_codemasters_bank2_write(uint32_t location, void vcontext, uint8_t value);
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1180 void map_iter_fun_sms(char key, tern_val val, uint8_t valtype, void data)
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1181 {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1182 map_iter_state *state = data;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1183 char *dtype = map_node_common(key, val, valtype, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1184 if (!dtype) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1185 //entry was handled by common function
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1186 state->index++;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1187 return;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1188 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1189 tern_node *node = val.ptrval;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1190 memmap_chunk *map = state->info->map + state->index;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1191 uint32_t offset = strtol(tern_find_ptr_default(node, "offset", "0"), NULL, 16);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1192 if (!strcmp(dtype, "Sega mapper")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1193 state->info->mapper_type = MAPPER_SMS_SEGA;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1194 state->info->mapper_start_index = state->ptr_index++;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1195 char *save_device = tern_find_path(node, "save\0device\0", TVAL_PTR).ptrval;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1196 if (save_device && !strcmp(save_device, "EEPROM")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1197 process_eeprom_def(key, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1198 add_eeprom_map(node, map->start & map->mask, (map->end - 1) & map->mask, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1199 } else if (save_device && !strcmp(save_device, "SRAM")) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1200 process_sram_def(key, state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1201 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1202 state->info->map_chunks += 4;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1203 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1204 map = state->info->map + state->index;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1205 map[0].start = 0;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1206 map[0].end = 0x400;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1207 map[0].mask = 0xFFFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1208 map[0].flags = MMAP_READ;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1209 map[0].buffer = state->info->rom;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1210 map[1].start = 0x400;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1211 map[1].end = 0x4000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1212 map[1].mask = 0x3FFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1213 map[1].ptr_index = 0;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1214 map[1].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1215 map[2].start = 0x4000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1216 map[2].end = 0x8000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1217 map[2].mask = 0x3FFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1218 map[2].ptr_index = 1;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1219 map[2].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1220 map[3].start = 0x8000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1221 map[3].end = 0xC000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1222 map[3].mask = 0x3FFF;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1223 map[3].ptr_index = 2;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1224 if (state->info->save_type == RAM_FLAG_ODD \|\| state->info->save_type == RAM_FLAG_EVEN) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1225 map[3].write_8 = sms_cart_ram_write;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1226 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1227 map[3].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1228 map[4].start = 0xFFFC;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1229 map[4].end = 0x10000;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1230 map[4].mask = 3;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1231 map[4].flags = MMAP_READ;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1232 map[4].write_8 = sms_sega_mapper_write;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1233 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1234 fatal_error("Invalid device type %s for ROM DB map entry %d with address %s\n", dtype, state->index, key);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1235 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1236 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1237
2325 26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1238 uint8_t has_codemasters_header(uint8_t *rom, uint32_t rom_size)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1239 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1240 if (rom_size < 0x8000) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1241 return 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1242 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1243 //Date and time fields should be valid BCD
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1244 for (uint32_t i = 0x7FE1; i < 0x7FE6; i++)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1245 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1246 if ((rom[i] & 0xF0) > 0x90) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1247 return 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1248 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1249 if ((rom[i] & 0xF) > 0x9) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1250 return 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1251 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1252 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1253 uint16_t checksum = rom[0x7FE6] \| rom[0x7FE7] << 8;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1254 uint16_t complement = rom[0x7FE8] \| rom[0x7FE9] << 8;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1255 if (complement != (0x10000 - checksum)) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1256 return 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1257 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1258 puts("Detected codemasters mapper");
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1259 return 1;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1260 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1261
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1262 void sms_memmap_heuristics(rom_info info, memmap_chunk const base_map, uint32_t num_base_chunks)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1263 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1264 uint32_t num_chunks = num_base_chunks + (info->rom_size > 0xC000 ? 5 : 1);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1265 memmap_chunk *chunks = calloc(num_chunks, sizeof(memmap_chunk));
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1266 info->map = chunks;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1267 info->map_chunks = num_chunks;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1268 if (info->rom_size > 0xC000) {
2325 26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1269 if (has_codemasters_header(info->rom, info->rom_size)) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1270 info->mapper_type = MAPPER_SMS_CODEMASTERS;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1271 memcpy(chunks + 3, base_map, sizeof(memmap_chunk) * num_base_chunks);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1272 num_chunks--;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1273 chunks[0].start = 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1274 chunks[0].end = 0x4000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1275 chunks[0].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1276 chunks[0].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1277 chunks[0].ptr_index = 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1278 chunks[0].write_8 = sms_codemasters_bank0_write;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1279 chunks[1].start = 0x4000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1280 chunks[1].end = 0x8000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1281 chunks[1].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1282 chunks[1].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1283 chunks[1].ptr_index = 1;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1284 chunks[1].write_8 = sms_codemasters_bank1_write;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1285 chunks[2].start = 0x8000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1286 chunks[2].end = 0xC000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1287 chunks[2].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1288 chunks[2].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1289 chunks[2].ptr_index = 2;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1290 chunks[2].write_8 = sms_codemasters_bank2_write;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1291 } else {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1292 info->mapper_type = MAPPER_SMS_SEGA;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1293 memcpy(chunks + 4, base_map, sizeof(memmap_chunk) * num_base_chunks);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1294 chunks[0].start = 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1295 chunks[0].end = 0x400;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1296 chunks[0].mask = 0xFFFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1297 chunks[0].flags = MMAP_READ;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1298 chunks[0].buffer = info->rom;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1299 chunks[1].start = 0x400;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1300 chunks[1].end = 0x4000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1301 chunks[1].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1302 chunks[1].ptr_index = 0;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1303 chunks[1].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1304 chunks[2].start = 0x4000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1305 chunks[2].end = 0x8000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1306 chunks[2].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1307 chunks[2].ptr_index = 1;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1308 chunks[2].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1309 chunks[3].start = 0x8000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1310 chunks[3].end = 0xC000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1311 chunks[3].mask = 0x3FFF;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1312 chunks[3].ptr_index = 2;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1313 chunks[3].flags = MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1314 chunks[3].write_8 = sms_cart_ram_write;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1315 chunks[num_chunks - 1].start = 0xFFFC;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1316 chunks[num_chunks - 1].end = 0x10000;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1317 chunks[num_chunks - 1].mask = 3;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1318 chunks[num_chunks - 1].flags = MMAP_READ;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1319 chunks[num_chunks - 1].write_8 = sms_sega_mapper_write;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1320 for (uint32_t i = 4; i < num_chunks - 1; i++)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1321 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1322 if (chunks[i].end > 0xFFFC) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1323 //mapper regs overlap RAM from base map
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1324 chunks[i].end = 0xFFFC;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	1325 }
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1326 }
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1327 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1328 } else {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1329 info->mapper_type = MAPPER_NONE;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1330 memcpy(chunks + 1, base_map, sizeof(memmap_chunk) * num_base_chunks);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1331 chunks[0].start = 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1332 chunks[0].end = 0xC000;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1333 chunks[0].mask = nearest_pow2(info->rom_size)-1;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1334 chunks[0].flags = MMAP_READ;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1335 chunks[0].buffer = info->rom;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1336 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1337 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1338
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1339 void configure_rom_sms_heuristics(rom_info info, uint32_t header_offset, memmap_chunk const base_map, uint32_t num_base_chunks)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1340 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1341 sms_memmap_heuristics(info, base_map, num_base_chunks);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1342 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1343
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1344 uint8_t check_sms_sega_header(uint8_t rom, char product_code, uint32_t offset)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1345 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1346 if (memcmp(rom + offset, "TMR SEGA", strlen("TMR SEGA"))) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1347 return 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1348 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1349 char *cur = product_code + 4;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1350 uint8_t begin = rom[offset + 0xE] >> 4;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1351 if (begin < 0xA) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1352 *(cur++) = begin + '0';
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1353 } else {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1354 *(cur++) = '1';
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1355 *(cur++) = begin - 0xA + '0';
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1356 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1357 uint8_t *src = rom + offset + 0xD;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1358 for (int i = 0; i < 2; i++, src--)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1359 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1360 (cur++) = (src >> 4) + '0';
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1361 (cur++) = (src & 0xF) + '0';
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1362 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1363 *cur = 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1364 return 1;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1365 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1366
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1367 rom_info configure_rom_sms(tern_node rom_db, uint8_t rom, uint32_t rom_size, memmap_chunk const *base_chunks, uint32_t num_base_chunks)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1368 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1369 uint32_t expanded_size = nearest_pow2(rom_size);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1370 if (expanded_size > rom_size) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1371 //generally carts with odd-sized ROMs have 2 power of 2 sized ROMs with the larger one first
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1372 //TODO: Handle cases in which the 2nd ROM/part is a maller power of 2 than just half the first one
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1373 uint32_t mirror_start = expanded_size >> 1;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1374 uint32_t mirror_size = expanded_size >> 2;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1375 if (mirror_start + mirror_size >= rom_size) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1376 memcpy(rom + mirror_start + mirror_size, rom + mirror_start, mirror_size);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1377 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1378 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1379 char product_code[] = "sms:000000";
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1380 uint8_t found_header = 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1381 uint32_t offset = 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1382 if (rom_size >= 0x8000) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1383 offset = 0x7FF0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1384 found_header = check_sms_sega_header(rom, product_code, offset);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1385 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1386 if (!found_header && rom_size >= 0x4000) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1387 offset = 0x3FF0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1388 found_header = check_sms_sega_header(rom, product_code, offset);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1389 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1390 if (!found_header && rom_size >= 0x2000) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1391 offset = 0x1FF0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1392 found_header = check_sms_sega_header(rom, product_code, offset);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1393 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1394 debug_message("Product Code: %s\n", product_code);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1395 uint8_t raw_hash[20];
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1396 sha1(rom, rom_size, raw_hash);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1397 uint8_t hex_hash[41];
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1398 bin_to_hex(hex_hash, raw_hash, 20);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1399 debug_message("SHA1: %s\n", hex_hash);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1400 tern_node * entry = tern_find_node(rom_db, hex_hash);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1401 if (!entry) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1402 entry = tern_find_node(rom_db, product_code);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1403 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1404 rom_info info = {0};
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1405 info.rom_size = rom_size;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1406 info.rom = rom;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1407 if (!entry) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1408 debug_message("Not found in ROM DB, examining header\n\n");
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1409 configure_rom_sms_heuristics(&info, offset, base_chunks, num_base_chunks);
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1410 return info;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1411 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1412 char *dbreg = tern_find_ptr(entry, "regions");
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1413 info.regions = 0;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1414 if (dbreg) {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1415 while (*dbreg != 0)
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1416 {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1417 info.regions \|= translate_region_char(*(dbreg++));
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1418 }
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1419 }
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1420 tern_node *map = tern_find_node(entry, "map");
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1421 if (map) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1422 info.save_type = SAVE_NONE;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1423 info.map_chunks = tern_count(map);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1424 if (info.map_chunks) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1425 info.map_chunks += num_base_chunks;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1426 info.save_buffer = NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1427 info.save_size = 0;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1428 info.map = malloc(sizeof(memmap_chunk) * info.map_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1429 info.eeprom_map = NULL;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1430 info.num_eeprom = 0;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1431 memset(info.map, 0, sizeof(memmap_chunk) * info.map_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1432 map_iter_state state = {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1433 .info = &info,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1434 .rom = rom,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1435 .root = entry,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1436 .rom_db = rom_db,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1437 .rom_size = rom_size,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1438 .index = 0,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1439 .num_els = info.map_chunks - num_base_chunks,
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1440 .ptr_index = 0
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1441 };
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1442 tern_foreach(map, map_iter_fun_sms, &state);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1443 memcpy(info.map + state.index, base_chunks, sizeof(memmap_chunk) * num_base_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1444 info.rom = state.rom;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1445 info.rom_size = state.rom_size;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1446 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1447 sms_memmap_heuristics(&info, base_chunks, num_base_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1448 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1449 } else {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1450 sms_memmap_heuristics(&info, base_chunks, num_base_chunks);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1451 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	1452 handle_io_overrides(entry, &info);
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1453 return info;
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2253 diff changeset	1454 }

Mercurial > repos > blastem

annotate romdb.c @ 2352:76dfad6a53b5