repos/blastem: romdb.c annotate

annotate romdb.c @ 2161:6a954675d634

Improved detection of bogus device headers

author	Michael Pavone <pavone@retrodev.com>
date	Tue, 24 May 2022 18:49:38 -0700
parents	2ed402b4c1fb
children	0bf077df45c3

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"
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	17
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	18 #define DOM_TITLE_START 0x120
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	19 #define DOM_TITLE_END 0x150
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	20 #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	21 #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	22 #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	23 #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	24 #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	25 #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	26 #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	27 #define REGION_START 0x1F0
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	28
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	29 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	30 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	31 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	32 return "EEPROM";
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	33 } 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	34 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	35 } 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	36 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	37 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	38 return "SRAM";
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	39 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	40
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	41 tern_node *get_rom_db()
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 {
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	43 static tern_node *db;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 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	45 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	46 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	47 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	48 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 return db;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	52
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	53 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	54 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	55 free(info->name);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	56 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	57 free(info->save_buffer);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	58 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	59 free(info->eeprom_map);
1592 31effaadf877 Fix some memory errors (mostly leaks) identified by valgrind Michael Pavone <pavone@retrodev.com> parents: 1548 diff changeset	60 } 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	61 free(info->nor);
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	62 }
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 free(info->map);
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	65 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	66
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	67 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	68 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	69 if (sys->type != SYSTEM_GENESIS) {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	70 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	71 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	72 genesis_context gen = (genesis_context )sys;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	73 if (gen->mapper_type == MAPPER_NONE) {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	74 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	75 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	76 start_section(buf, SECTION_MAPPER);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	77 save_int8(buf, gen->mapper_type);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	78 switch(gen->mapper_type)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	79 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	80 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	81 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	82 case MAPPER_SEGA_MED_V2:
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	83 sega_mapper_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	84 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	85 case MAPPER_REALTEC:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	86 realtec_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	87 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	88 case MAPPER_XBAND:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	89 xband_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	90 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	91 case MAPPER_MULTI_GAME:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	92 multi_game_serialize(gen, buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	93 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	94 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	95 end_section(buf);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	96 }
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 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	99 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	100 genesis_context *gen = vcontext;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	101 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	102 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	103 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	104 return;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	105 }
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	106 switch(gen->mapper_type)
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	107 {
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	108 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	109 case MAPPER_SEGA_SRAM:
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	110 sega_mapper_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	111 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	112 case MAPPER_REALTEC:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	113 realtec_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	114 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	115 case MAPPER_XBAND:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	116 xband_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	117 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	118 case MAPPER_MULTI_GAME:
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	119 multi_game_deserialize(buf, gen);
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	120 break;
14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	121 }
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
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	124 char get_header_name(uint8_t rom)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	126 //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	127 uint8_t *last = rom + TITLE_END - 1;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 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	129
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	130 for (;;)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	131 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	132 while (last > src && (last <= 0x20 \|\| last >= 0x80))
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	134 last--;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	135 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	136 if (last == src) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	137 if (src == rom + TITLE_START) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	138 src = rom + DOM_TITLE_START;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	139 last = rom + DOM_TITLE_END - 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	140 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	141 return strdup("UNKNOWN");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 }
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	143 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	144 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	145 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	146 uint8_t *dst;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	147 uint8_t last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	148 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	149 {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	150 if (src >= 0x20 && src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	151 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	152 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	153 continue;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	154 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	155 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	156 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	157 last_was_space = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	158 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	159 (dst++) = src;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	160 }
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 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	163 return ret;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	164 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 }
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
1195 b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	168 char *region_chars = "JUEW";
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	169 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	170
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 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	172 {
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	173 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	174 {
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 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	176 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	177 }
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 }
1195 b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	179 uint8_t bin_region = 0;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	180 if (c >= '0' && c <= '9') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	181 bin_region = c - '0';
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	182 } else if (c >= 'A' && c <= 'F') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	183 bin_region = c - 'A' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	184 } else if (c >= 'a' && c <= 'f') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	185 bin_region = c - 'a' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	186 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	187 uint8_t ret = 0;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	188 if (bin_region & 8) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	189 ret \|= REGION_E;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	190 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	191 if (bin_region & 4) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	192 ret \|= REGION_U;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	193 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	194 if (bin_region & 1) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	195 ret \|= REGION_J;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	196 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	197 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	198 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	199
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	200 uint8_t 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	201 {
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 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	203 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	204 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	205 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	206 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	207 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	208 }
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
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	210 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	211 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	212 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	213 }
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	214
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	215 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	216 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	217 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	218 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	219 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	220 } 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	221 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	222 } 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	223 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	224 }
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
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	227 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	228 {
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	229 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	230 }
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM Michael Pavone <pavone@retrodev.com> parents: 1408 diff changeset	231
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM Michael Pavone <pavone@retrodev.com> parents: 1408 diff changeset	232 uint32_t 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	233 {
b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM Michael Pavone <pavone@retrodev.com> parents: 1408 diff changeset	234 uint32_t ram_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	235 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	236 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	237 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	238 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	239 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	240 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	241 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	242 }
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	243 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	244 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	245 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	246 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	247 }
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 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	249 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	250 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	251 }
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
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	253 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	254 {
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	255 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	256 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	257 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	258 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	259 } 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	260 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 }
1898 ebf124803a93 Make sure save_type is properly initialized Mike Pavone <pavone@retrodev.com> parents: 1863 diff changeset	262 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	263 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	264 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	265 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	266 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	267 }
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	268 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	269 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	270 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	271 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	272 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	273 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	274
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 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	276 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	277 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	278 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	279 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	280 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	281 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	282 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	283 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	284 } 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	285 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	286 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	287 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	288 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	289 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	290 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	291 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	292
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 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	294 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	295 }
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	296 }
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	297 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	298 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	299 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	300 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	301 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	302 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	303 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	304 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	305 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	306 };
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 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	308 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	309 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	310 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	311 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	312 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	313 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	314 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	315 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	316 };
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 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	319 {
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 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	321 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	322 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	323 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	324 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	325 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	326
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 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	328 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	329 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	330 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	331 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	332 } 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	333 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	334 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	335 }
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	336 }
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 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	338 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	339 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	340 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	341 info->map[8].write_8 = (write_8_fun)write_bank_reg_b;
1425 49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space Michael Pavone <pavone@retrodev.com> parents: 1416 diff changeset	342 return;
1794 4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	343 } 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	344 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	345 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	346 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	347 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	348 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	349 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	350 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	351 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	352 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	353 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	354 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	355 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	356 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	357 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	358 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	359 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	360 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	361 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	362 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	363 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	364 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	365 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	366 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	367 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	368 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	369 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	370 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	371 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	372 "on",
1794 4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	373 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	374 ) {
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].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	376 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	377 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	378 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	379 } else {
4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	380 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	381 }
4cd226288958 Added support for detecting Mega WiFi titles based on a header string Michael Pavone <pavone@retrodev.com> parents: 1792 diff changeset	382 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	383 } 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	384 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	385
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	386 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	387 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	388 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	389 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	390 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	391
49d3c572b3f2 Ignore 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 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	393 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	394 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	395 info->map[0].end = ram_start;
49d3c572b3f2 Ignore SRAM in cart header if it is in the upper 8MB of the address space Michael Pavone <pavone@retrodev.com> parents: 1416 diff changeset	396 }
49d3c572b3f2 Ignore 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 //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	398 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	399 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	400 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	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 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	403 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	404 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	405 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	406
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	407 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	408 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	409 } 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	410 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	411 } else {
8b2ef428d1aa Implement TMSS ROM and cart mapping register Michael Pavone <pavone@retrodev.com> parents: 2027 diff changeset	412 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	413 }
49d3c572b3f2 Ignore 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 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	415 } 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	416 //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	417 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	418 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	419 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	420 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	421 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	422
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[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	424 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	425 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	426 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	427 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	428 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	429 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	430 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	431 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	432 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	433
1916 6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	434 //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	435 //after all the other entries
6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	436 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	437 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	438 last = unused;
6ece1e2c7a15 Make sure fallback memory region is always last Michael Pavone <pavone@retrodev.com> parents: 1898 diff changeset	439 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	440 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	441 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	442 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	443 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	444 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	445 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	446 }
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	447 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	448 }
49d3c572b3f2 Ignore 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 }
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	450
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	451 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	452 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	453 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	454 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	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[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	457 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	458 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	459 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	460 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	461 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	462
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	463 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	464 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 rom_info info;
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	466 info.mapper_type = MAPPER_NONE;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 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	468 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	469 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	470 info.rom = rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	471 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	472 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	473 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	474 {
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	475 uint8_t invalid = 0;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	476 switch(rom[offset])
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	477 {
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	478 case 'J':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	479 case '6':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	480 case '0':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	481 case 'A':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	482 case '4':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	483 case 'G':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	484 case 'L':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	485 case 'M':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	486 case 'B':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	487 case 'K':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	488 case 'R':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	489 case 'D':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	490 //valid device letter
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	491 //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	492 break;
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	493 case 'F':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	494 case 'T':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	495 case 'P':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	496 //unreleased peripheral, probably garbage
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	497 invalid = 1;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	498 break;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	499 case 'C':
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	500 info.wants_cd = 1;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	501 break;
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	502 default:
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	503 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	504 }
2161 6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	505 if (invalid) {
6a954675d634 Improved detection of bogus device headers Michael Pavone <pavone@retrodev.com> parents: 2159 diff changeset	506 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	507 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	508 }
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	509 }
2109 5d575c42fff5 Fix regression in MED extended sega mapper support Michael Pavone <pavone@retrodev.com> parents: 2097 diff changeset	510 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	511 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	512
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	513 return info;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	514 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	515
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	516 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	517 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	518 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	519 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	520 tern_node *root;
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	521 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	522 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	523 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	524 int index;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	525 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	526 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	527 } 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	528
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	529 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	530 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	531 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	532 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	533 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	534 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	535 }
1326 071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in Michael Pavone <pavone@retrodev.com> parents: 1324 diff changeset	536 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	537 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	538 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	539 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	540 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	541 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	542 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	543 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	544 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	545 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	546 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	547 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	548
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	549 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	550 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	551 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	552 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	553 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	554 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	555 }
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	556 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	557 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	558 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	559 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	560 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	561 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	562 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	563 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	564 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	565 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	566 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	567 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	568 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	569 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	570 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	571 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	572
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	573 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	574 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	575 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	576 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	577 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	578 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	579 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	580 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	581 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	582 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	583 }
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	584 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	585 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	586 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	587 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	588 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	589 } 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	590 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	591 } 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	592 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	593 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	594 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	595 }
41dc895e85ff Fix map for NFL Quarterback 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
41dc895e85ff Fix map for NFL Quarterback 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 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	598 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	599 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	600 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	601 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	602 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	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 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	605 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	606 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	607 }
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 *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	609 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	610 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	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 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	613 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	614 } 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	615 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	616 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	617 state->info->save_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	618 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	619 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	620 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	621 }
41dc895e85ff Fix map for NFL Quarterback 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 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	623
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	624 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	625 {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	626 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	627 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	628 if (!size) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	629 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	630 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	631 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	632 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	633 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	634 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	635 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	636 if (!page_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 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	638 }
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	639 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	640 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	641 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	642 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	643 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	644 if (!product_id) {
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 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	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 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	648 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	649 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	650 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	651 } 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	652 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	653 } else {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	654 state->info->save_bus = RAM_FLAG_BOTH;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	655 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	656 state->info->save_type = SAVE_NOR;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	657 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	658 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	659 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	660 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	661 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	662 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	663 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	664 }
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	665 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	666 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	667 }
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 } 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	669 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	670 }
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart Michael Pavone <pavone@retrodev.com> parents: 1513 diff changeset	671 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	672 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	673 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	674 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	675 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	676 }
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart Michael Pavone <pavone@retrodev.com> parents: 1513 diff changeset	677 char *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	678 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	679 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	680 }
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	681 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	682 }
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	683
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	684 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	685 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	686 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	687 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	688 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	689 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	690 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	691 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	692 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	693 }
1326 071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in Michael Pavone <pavone@retrodev.com> parents: 1324 diff changeset	694 tern_node * bits_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	695 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	696 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	697 }
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	698 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	699 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	700 }
41dc895e85ff Fix map for NFL Quarterback 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 void map_iter_fun(char key, tern_val val, uint8_t valtype, void data)
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	703 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	704 map_iter_state *state = data;
1326 071e761bcdcf Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in Michael Pavone <pavone@retrodev.com> parents: 1324 diff changeset	705 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	706 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	707 }
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	708 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	709 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	710 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	711 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	712 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	713 }
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 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	715 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	716 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	717 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	718 map->end = end + 1;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	719 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	720 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	721 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	722 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	723 }
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	724 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	725 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	726 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	727 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	728 } 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	729 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	730 }
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	731 } else if (!strcmp(dtype, "LOCK-ON")) {
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	732 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	733 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	734 lock_info = configure_rom(state->rom_db, state->lock_on, state->lock_on_size, NULL, 0, NULL, 0);
1408 71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart Michael Pavone <pavone@retrodev.com> parents: 1395 diff changeset	735 } else if (state->rom_size > start) {
71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart Michael Pavone <pavone@retrodev.com> parents: 1395 diff changeset	736 //This is a bit of a hack to deal with pre-combined S3&K/S2&K ROMs and S&K ROM hacks
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	737 lock_info = configure_rom(state->rom_db, state->rom + start, state->rom_size - start, NULL, 0, NULL, 0);
1408 71b6e2298e4a Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart Michael Pavone <pavone@retrodev.com> parents: 1395 diff changeset	738 } 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	739 //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	740 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	741 }
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	742 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	743 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	744 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	745 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	746 matching_chunks++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	747 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	748 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	749 if (matching_chunks == 0) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	750 //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	751 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	752 return;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	753 } 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	754 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	755 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	756 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	757 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	758 }
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	759 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	760 {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	761 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	762 continue;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	763 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	764 *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	765 if (map->start < 0x200000) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	766 if (map->buffer) {
1952 42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension Michael Pavone <pavone@retrodev.com> parents: 1916 diff changeset	767 uint8_t *buf = map->buffer;
42c12d141f6e Remove usage of GCC pointer arithmetic on void * extension Michael Pavone <pavone@retrodev.com> parents: 1916 diff changeset	768 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	769 map->buffer = buf;
1411 780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	770 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	771 map->start = 0x200000;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	772 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	773 map++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	774 state->index++;
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	775 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	776 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	777 //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	778 if (state->lock_on) {
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	779 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	780 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	781 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	782 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	783 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	784 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	785 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	786 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	787 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	788 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	789 }
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	790 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	791 return;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	792 } else if (!strcmp(dtype, "EEPROM")) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	793 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	794 add_eeprom_map(node, start, end, state);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	795
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	796 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	797 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	798 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	799 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	800 map->mask = 0xFFFFFF;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	801 } else if (!strcmp(dtype, "SRAM")) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	802 process_sram_def(key, state);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	803 map->buffer = state->info->save_buffer + offset;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	804 map->flags = MMAP_READ \| MMAP_WRITE;
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	805 uint32_t save_size_mask = state->info->save_size;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	806 if (state->info->save_type == RAM_FLAG_ODD) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	807 map->flags \|= MMAP_ONLY_ODD;
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	808 save_size_mask *= 2;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	809 } else if(state->info->save_type == RAM_FLAG_EVEN) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	810 map->flags \|= MMAP_ONLY_EVEN;
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	811 save_size_mask *= 2;
2034 8b2ef428d1aa Implement TMSS ROM and cart mapping register Michael Pavone <pavone@retrodev.com> parents: 2027 diff changeset	812 } else {
8b2ef428d1aa Implement TMSS ROM and cart mapping register Michael Pavone <pavone@retrodev.com> parents: 2027 diff changeset	813 map->flags \|= MMAP_CODE;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	814 }
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	815 map->mask = calc_mask(save_size_mask, start, end);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	816 } else if (!strcmp(dtype, "RAM")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	817 uint32_t size = strtol(tern_find_ptr_default(node, "size", "0"), NULL, 16);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	818 if (!size \|\| size > map->end - map->start) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	819 size = map->end - map->start;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	820 }
1847 882746581f17 Make sure on-cart memories are fully initialized in all cases Michael Pavone <pavone@retrodev.com> parents: 1822 diff changeset	821 map->buffer = calloc(size, 1);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	822 map->flags = MMAP_READ \| MMAP_WRITE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	823 char *bus = tern_find_ptr_default(node, "bus", "both");
1394 ae3b1721b226 Small fix to handling of the "bus" option in a RAM type ROM DB memory map Michael Pavone <pavone@retrodev.com> parents: 1326 diff changeset	824 if (!strcmp(bus, "odd")) {
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	825 map->flags \|= MMAP_ONLY_ODD;
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	826 size *= 2;
1394 ae3b1721b226 Small fix to handling of the "bus" option in a RAM type ROM DB memory map Michael Pavone <pavone@retrodev.com> parents: 1326 diff changeset	827 } else if (!strcmp(bus, "even")) {
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	828 map->flags \|= MMAP_ONLY_EVEN;
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	829 size *= 2;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	830 } else {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	831 map->flags \|= MMAP_CODE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	832 }
2154 2b7847bed4bb Fix memory map mask calculation for manually specified cart SRAM/RAM Michael Pavone <pavone@retrodev.com> parents: 2150 diff changeset	833 map->mask = calc_mask(size, start, end);
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	834 } else if (!strcmp(dtype, "NOR")) {
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	835 process_nor_def(key, state);
2052 3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present Michael Pavone <pavone@retrodev.com> parents: 2034 diff changeset	836
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	837 map->write_16 = nor_flash_write_w;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	838 map->write_8 = nor_flash_write_b;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	839 map->read_16 = nor_flash_read_w;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	840 map->read_8 = nor_flash_read_b;
1519 1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart Michael Pavone <pavone@retrodev.com> parents: 1513 diff changeset	841 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	842 map->flags \|= MMAP_READ_CODE \| MMAP_CODE;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart Michael Pavone <pavone@retrodev.com> parents: 1513 diff changeset	843 map->buffer = state->info->save_buffer;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart Michael Pavone <pavone@retrodev.com> parents: 1513 diff changeset	844 }
1395 efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16 Michael Pavone <pavone@retrodev.com> parents: 1394 diff changeset	845 map->mask = 0xFFFFFF;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	846 } 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	847 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	848 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	849 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	850 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	851 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	852 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	853 add_eeprom_map(node, start & map->mask, end & map->mask, state);
1409 b0e0bb20fc41 Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM Michael Pavone <pavone@retrodev.com> parents: 1408 diff changeset	854 } 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	855 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	856 } 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	857 //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	858 //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	859 //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	860 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	861 }
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	862 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	863 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	864 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	865 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	866 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	867 map->start = start;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	868 map->end = end;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	869 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	870 map->buffer = state->rom + offset;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	871 map->mask = calc_mask(state->rom_size - offset, start, end);
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	872 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	873 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	874 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	875 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	876 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	877 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	878 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	879 } else {
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	880 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	881 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	882 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	883 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	884 }
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	885 state->index++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	886 map++;
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	887 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	888 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	889 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	890 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	891 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	892 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	893 {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	894 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	895 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	896 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	897 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	898 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	899 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	900 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	901 } else {
1413 3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	902 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	903 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	904 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	905 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	906 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	907 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	908 } else {
3d7f668dce3d Sonic 3 & Knuckles lock-on is now 100% functional with working saves Michael Pavone <pavone@retrodev.com> parents: 1411 diff changeset	909 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	910 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	911 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	912 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	913 }
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	914 }
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	915 }
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	916 }
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	917 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	918 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	919 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	920 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	921 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	922 #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	923 } 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	924 //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	925 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	926 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	927 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	928 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	929 #endif
1305 5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	930 } else if (!strcmp(dtype, "fixed")) {
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	931 uint16_t *value = malloc(2);
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	932 map->buffer = value;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	933 map->mask = 0;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	934 map->flags = MMAP_READ;
5ceb316c479a Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry. Michael Pavone <pavone@retrodev.com> parents: 1287 diff changeset	935 *value = strtol(tern_find_ptr_default(node, "value", "0"), NULL, 16);
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	936 } 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	937 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	938 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	939 //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	940 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	941 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	942 state->rom_size *= 2;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	943 //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	944 state->info->map_chunks+=1;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	945 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	946 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	947 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	948 map->buffer = state->rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	949 map->mask = calc_mask(state->rom_size, start, end);
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	950 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	951 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	952 map++;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	953 state->index++;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	954 map->start = 0xA13000;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	955 map->end = 0xA13100;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	956 map->mask = 0xFF;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	957 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	958 map->write_8 = write_multi_game_b;
1513 8f3b6a64b658 Initial work on MegaWiFi support Michael Pavone <pavone@retrodev.com> parents: 1470 diff changeset	959 } 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	960 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	961 "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	962 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	963 ) {
94ba407a5ec1 Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns Michael Pavone <pavone@retrodev.com> parents: 1519 diff changeset	964 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	965 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	966 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	967 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	968 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	969 } 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	970 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	971 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	972 }
1610 c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	973 } else if (!strcmp(dtype, "jcart")) {
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	974 state->info->mapper_type = MAPPER_JCART;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	975 map->write_16 = jcart_write_w;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	976 map->write_8 = jcart_write_b;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	977 map->read_16 = jcart_read_w;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	978 map->read_8 = jcart_read_b;
c206a422d466 Added J-Cart support Michael Pavone <pavone@retrodev.com> parents: 1593 diff changeset	979 map->mask = 0xFFFFFF;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	980 } 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	981 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	982 }
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	983 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	984 }
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	985
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	986 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	987 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	988 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	989 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	990 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	991 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	992 //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	993 //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	994 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	995 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	996 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	997 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	998 }
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	999 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1000 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1001 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1002 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1003 if (rom[GAME_ID_OFF + i] <= ' ') {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1004 product_id[i] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1005 break;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1006 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1007 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	1008
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1009 }
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	1010 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	1011 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	1012 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	1013 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	1014 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	1015 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	1016 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	1017 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	1018 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	1019 }
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1020 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	1021 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	1022 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	1023 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	1024 }
23c94f5266d1 Support for the Realtec mapper. Needs testing with games besides The Earth Defend Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	1025 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	1026 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	1027 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1028 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	1029 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1030 rom_info info;
1444 14a2834d010c Save/restore mapper state in native save states Michael Pavone <pavone@retrodev.com> parents: 1425 diff changeset	1031 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	1032 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	1033 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	1034 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	1035 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	1036 } 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	1037 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	1038 }
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	1039
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	1040 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	1041 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	1042 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	1043 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	1044 {
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	1045 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	1046 }
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	1047 }
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	1048 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	1049 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	1050 }
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	1051
1416 11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1052 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	1053 info.rom = vrom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1054 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	1055 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	1056 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	1057 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	1058 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	1059 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	1060 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	1061 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	1062 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	1063 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	1064 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	1065 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	1066 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	1067 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	1068 .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	1069 .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	1070 .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	1071 .root = entry,
780fbe0b97be WIP support for handling S3 save RAM when locked on Michael Pavone <pavone@retrodev.com> parents: 1410 diff changeset	1072 .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	1073 .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	1074 .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	1075 .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	1076 .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	1077 .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	1078 };
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	1079 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	1080 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	1081 info.rom = state.rom;
11ac0b511cff Support a couple of bootleg X-in-1 carts Michael Pavone <pavone@retrodev.com> parents: 1415 diff changeset	1082 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	1083 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1084 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	1085 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1086 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	1087 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	1088 }
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	1089
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	1090 tern_node *device_overrides = tern_find_node(entry, "device_overrides");
913 a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1091 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1092 info.port1_override = tern_find_ptr(device_overrides, "1");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1093 info.port2_override = tern_find_ptr(device_overrides, "2");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1094 info.ext_override = tern_find_ptr(device_overrides, "ext");
2027 0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1095 if (
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1096 info.save_type == SAVE_NONE
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1097 && (
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1098 (info.port1_override && startswith(info.port1_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1099 \|\| (info.port2_override && startswith(info.port2_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1100 \|\| (info.ext_override && startswith(info.ext_override, "heartbeat_trainer."))
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1101 )
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1102 ) {
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1103 info.save_type = SAVE_HBPT;
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1104 info.save_size = atoi(tern_find_path_default(entry, "HeartbeatTrainer\0size\0", (tern_val){.ptrval="512"}, TVAL_PTR).ptrval);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1105 info.save_buffer = calloc(info.save_size + 5 + 8, 1);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1106 memset(info.save_buffer, 0xFF, info.save_size);
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey Michael Pavone <pavone@retrodev.com> parents: 1952 diff changeset	1107 }
913 a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1108 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1109 info.port1_override = info.port2_override = info.ext_override = NULL;
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	1110 }
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	1111 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	1112 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	1113
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1114 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	1115 }

Mercurial > repos > blastem

annotate romdb.c @ 2161:6a954675d634