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https://github.com/holub/mame
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megadrive cart handling cleanup, part 3 (still in progress): better hook up for sram handlers to softlist loading and minor refactorization to make clearer where we install memory handlers and where we install sram handlers. no whatsnew (the code is used by MESS only)
This commit is contained in:
Fabio Priuli
parent
ada01108c5
commit
03b03cf402
@ -26,12 +26,14 @@ static const md_pcb pcb_list[] =
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{"CM-SEPROM", CODE_MASTERS},
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{"CM-SEPROM", CODE_MASTERS},
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{"SSF2", SSF2},
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{"SSF2", SSF2},
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{"GAMEKANDUME", GAME_KANDUME},
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{"BEGGAR", BEGGAR},
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{"NBAJAM", NBA_JAM},
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{"NBAJAM", NBA_JAM},
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{"NBAJAMTE", NBA_JAM_TE},
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{"NBAJAMTE", NBA_JAM_TE},
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{"NFLQB96", NFL_QB_96},
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{"NFLQB96", NFL_QB_96},
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{"CSLAM", C_SLAM},
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{"CSLAM", C_SLAM},
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{"NHLPA", EA_NHLPA},
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{"NHLPA", EA_NHLPA},
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{"WBOY5", WBOY_V},
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{"LIONK3", LIONK3},
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{"LIONK3", LIONK3},
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{"SDK99", SDK99},
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{"SDK99", SDK99},
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@ -6,51 +6,52 @@ enum
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{
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{
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SEGA_STD = 0,
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SEGA_STD = 0,
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/* Sega PCB */
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SEGA_SRAM, SEGA_FRAM,
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SEGA_EEPROM, SEGA_SRAM, SEGA_FRAM,
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/* Codemasters PCB (J-Carts and SEPROM) */
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CM_JCART, CM_JCART_SEPROM, /* Codemasters PCB (J-Carts and SEPROM) */
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CM_JCART, CM_JCART_SEPROM,
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SSF2, /* Super Street Fighter 2 */
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GAME_KANDUME, /* Game no Kandume Otokuyou */
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BEGGAR, /* Xin Qigai Wangzi uses different sram start address and has no valid header */
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SSF2, /* Super Street Fighter 2 */
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// EEPROM
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// EEPROM
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NBA_JAM, /* NBA Jam */
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SEGA_EEPROM, /* Wonder Boy V / Evander Holyfield's Boxing / Greatest Heavyweights of the Ring / Sports Talk Baseball / Megaman */
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NBA_JAM_TE, /* NBA Jam TE / NFL Quarterback Club */
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NBA_JAM, /* NBA Jam */
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NFL_QB_96, /* NFL Quarterback Club '96 */
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NBA_JAM_TE, /* NBA Jam TE / NFL Quarterback Club */
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C_SLAM, /* College Slam / Frank Thomas Big Hurt Baseball */
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NFL_QB_96, /* NFL Quarterback Club '96 */
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EA_NHLPA, /* NHLPA Hockey 93 / Rings of Power */
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C_SLAM, /* College Slam / Frank Thomas Big Hurt Baseball */
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WBOY_V, /* Wonder Boy V / Evander Holyfield's Boxing / Greatest Heavyweights of the Ring / Sports Talk Baseball / Megaman */
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EA_NHLPA, /* NHLPA Hockey 93 / Rings of Power */
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CODE_MASTERS, /* Micro Machines 2 / Military / 96 / Brian Lara Cricket 96 */
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CODE_MASTERS, /* Micro Machines 2 / Military / 96 / Brian Lara Cricket 96 */
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LIONK3, /* Lion King 3 */
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MC_SUP19IN1, /* Super 19 in 1 */
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SKINGKONG, /* Super King Kong 99 */
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MC_SUP15IN1, /* Super 15 in 1 */
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SDK99, /* Super Donkey Kong 99 */
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MC_12IN1, /* 12 in 1 and a few more multicarts */
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REDCLIFF, /* Romance of the Three Kingdoms - Battle of Red Cliffs, already decoded from .mdx format */
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BUGSLIFE, /* A Bug's Life */
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REDCL_EN, /* The encoded version... */
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CHINFIGHT3, /* Chinese Fighters 3 */
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RADICA, /* Radica TV games.. these probably should be a seperate driver since they are a seperate 'console' */
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ELFWOR, /* Linghuan Daoshi Super Magician */
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KOF99, /* King of Fighters '99 */
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KOF98, /* King of Fighters '98 */
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SOULBLAD, /* Soul Blade */
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KOF99, /* King of Fighters '99 */
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MJLOVER, /* Mahjong Lover */
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LIONK2, /* Lion King 2 */
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SQUIRRELK, /* Squirrel King */
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LIONK3, /* Lion King 3 */
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SMOUSE, /* Smart Mouse */
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SKINGKONG, /* Super King Kong 99 */
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SMB, /* Super Mario Bros. */
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SDK99, /* Super Donkey Kong 99 */
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SMB2, /* Super Mario Bros. 2 */
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MJLOVER, /* Mahjong Lover */
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KAIJU, /* Pokemon Stadium */
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MULAN /* Hua Mu Lan - Mulan */
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CHINFIGHT3, /* Chinese Fighters 3 */
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POKEMON, /* Pocket Monster */
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LIONK2, /* Lion King 2 */
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POKEMON2, /* Pocket Monster 2 */
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BUGSLIFE, /* A Bug's Life */
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KAIJU, /* Pokemon Stadium */
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ELFWOR, /* Elf Wor */
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RADICA, /* Radica TV games.. these probably should be a seperate driver since they are a seperate 'console' */
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ROCKMANX3, /* Rockman X3 */
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REALTEC, /* Whac a Critter/Mallet legend, Defend the Earth, Funnyworld/Ballonboy */
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SBUBBOB, /* Super Bubble Bobble */
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REDCLIFF, /* Romance of the Three Kingdoms - Battle of Red Cliffs, already decoded from .mdx format */
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KOF98, /* King of Fighters '98 */
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REDCL_EN, /* The encoded version... */
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REALTEC, /* Whac a Critter/Mallet legend, Defend the Earth, Funnyworld/Ballonboy */
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ROCKMANX3, /* Rockman X3 */
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MC_SUP19IN1, /* Super 19 in 1 */
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SMB, /* Super Mario Bros. */
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MC_SUP15IN1, /* Super 15 in 1 */
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SMB2, /* Super Mario Bros. 2 */
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MC_12IN1, /* 12 in 1 and a few more multicarts */
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SMOUSE, /* Smart Mouse */
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TOPFIGHTER, /* Top Fighter 2000 MK VIII */
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SOULBLAD, /* Soul Blade */
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POKEMON, /* Pocket Monster */
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SQUIRRELK, /* Squirrel King */
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POKEMON2, /* Pocket Monster 2 */
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SBUBBOB, /* Super Bubble Bobble */
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MULAN /* Hua Mu Lan - Mulan */
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TOPFIGHTER, /* Top Fighter 2000 MK VIII */
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};
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};
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int md_get_pcb_id(const char *pcb);
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int md_get_pcb_id(const char *pcb);
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@ -602,7 +602,7 @@ static READ16_HANDLER( bugl_extra_r )
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/*************************************
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/*************************************
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* Linghuan Daoshi Super Magician
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* Linghuan Daoshi Super Magician
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* (previously known as Elf Wor)
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* (internal game name Elf Wor)
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*************************************/
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*************************************/
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static READ16_HANDLER( elfwor_400000_r )
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static READ16_HANDLER( elfwor_400000_r )
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{
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{
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@ -762,17 +762,19 @@ static WRITE16_HANDLER( genesis_sram_write )
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}
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}
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}
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}
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static void install_sram_rw_handlers(running_machine *machine)
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static void install_sram_rw_handlers(running_machine *machine, bool mask_addr)
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{
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{
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device_image_interface *image = dynamic_cast<device_image_interface *>(machine->device("cart"));
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device_image_interface *image = dynamic_cast<device_image_interface *>(machine->device("cart"));
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// if sram_start/end come from the cart header, they might be incorrect! from softlist, they are fine.
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UINT32 mask = mask_addr ? 0x3fffff : 0xffffff;
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mame_printf_debug("Allocing %d bytes for sram\n", md_cart.sram_end - md_cart.sram_start + 1);
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mame_printf_debug("Allocing %d bytes for sram\n", md_cart.sram_end - md_cart.sram_start + 1);
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md_cart.sram = auto_alloc_array(machine, UINT16, (md_cart.sram_end - md_cart.sram_start + 1) / sizeof(UINT16));
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md_cart.sram = auto_alloc_array(machine, UINT16, (md_cart.sram_end - md_cart.sram_start + 1) / sizeof(UINT16));
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image->battery_load(md_cart.sram, md_cart.sram_end - md_cart.sram_start + 1, 0xff); // Dino Dini's Soccer needs backup RAM to be 1fill
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image->battery_load(md_cart.sram, md_cart.sram_end - md_cart.sram_start + 1, 0xff); // Dino Dini's Soccer needs backup RAM to be 1fill
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memcpy(megadriv_backupram, md_cart.sram, md_cart.sram_end - md_cart.sram_start + 1);
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memcpy(megadriv_backupram, md_cart.sram, md_cart.sram_end - md_cart.sram_start + 1);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), md_cart.sram_start & 0x3fffff, md_cart.sram_end & 0x3fffff, 0, 0, genesis_sram_read);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), md_cart.sram_start & mask, md_cart.sram_end & mask, 0, 0, genesis_sram_read);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), md_cart.sram_start & 0x3fffff, md_cart.sram_end & 0x3fffff, 0, 0, genesis_sram_write);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), md_cart.sram_start & mask, md_cart.sram_end & mask, 0, 0, genesis_sram_write);
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md_cart.sram_handlers_installed = 1;
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md_cart.sram_handlers_installed = 1;
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}
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}
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@ -780,13 +782,25 @@ static WRITE16_HANDLER( genesis_sram_toggle )
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{
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{
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/* unsure if this is actually supposed to toggle or just switch on?
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/* unsure if this is actually supposed to toggle or just switch on?
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* Yet to encounter game that utilizes
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Yet to encounter game that utilizes */
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*/
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md_cart.sram_active = (data & 1) ? 1 : 0;
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md_cart.sram_active = (data & 1) ? 1 : 0;
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md_cart.sram_readonly = (data & 2) ? 1 : 0;
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md_cart.sram_readonly = (data & 2) ? 1 : 0;
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if (md_cart.sram_active && !md_cart.sram_handlers_installed)
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if (md_cart.sram_active && !md_cart.sram_handlers_installed)
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install_sram_rw_handlers (space->machine);
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install_sram_rw_handlers (space->machine, TRUE);
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}
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static READ16_HANDLER( sega_6658a_reg_r )
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{
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return md_cart.sram_active;
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}
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static WRITE16_HANDLER( sega_6658a_reg_w )
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{
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if (data == 1)
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md_cart.sram_active = 1;
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if (data == 0)
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md_cart.sram_active = 0;
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}
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}
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/*************************************
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/*************************************
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@ -876,20 +890,6 @@ static WRITE16_HANDLER( codemasters_eeprom_w )
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// i2cmem_scl_write(space->machine->device("i2cmem"), md_cart.i2c_mem);
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// i2cmem_scl_write(space->machine->device("i2cmem"), md_cart.i2c_mem);
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}
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}
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static READ16_HANDLER( sega_6658a_reg_r )
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{
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return md_cart.sram_active;
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}
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static WRITE16_HANDLER( sega_6658a_reg_w )
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{
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if (data == 1)
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md_cart.sram_active = 1;
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if (data == 0)
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md_cart.sram_active = 0;
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}
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/*************************************
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/*************************************
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*
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*
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* Machine driver reset
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* Machine driver reset
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@ -901,224 +901,204 @@ static void setup_megadriv_custom_mappers(running_machine *machine)
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UINT32 mirroraddr;
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UINT32 mirroraddr;
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UINT8 *ROM = machine->region("maincpu")->base();
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UINT8 *ROM = machine->region("maincpu")->base();
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if (md_cart.type == SSF2)
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switch (md_cart.type)
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{
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{
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memcpy(&ROM[0x800000], &ROM[VIRGIN_COPY_GEN + 0x400000], 0x100000);
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case CM_JCART:
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memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000);
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case CM_JCART_SEPROM:
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000);
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/* Codemasters PCB (J-Carts) */
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_r);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_w);
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break;
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130ff, 0, 0, genesis_ssf2_bank_w);
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case SSF2:
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memcpy(&ROM[0x800000], &ROM[VIRGIN_COPY_GEN + 0x400000], 0x100000);
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memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000);
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130ff, 0, 0, genesis_ssf2_bank_w);
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break;
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case LIONK3:
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case SKINGKONG:
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md_cart.l3alt_pdat = md_cart.l3alt_pcmd = 0;
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000); /* default rom */
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memcpy(&ROM[0x200000], &ROM[VIRGIN_COPY_GEN], 0x200000); /* default rom */
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, l3alt_prot_r, l3alt_prot_w);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, l3alt_bank_w);
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break;
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case SDK99:
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md_cart.l3alt_pdat = md_cart.l3alt_pcmd = 0;
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x300000); /* default rom */
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memcpy(&ROM[0x300000], &ROM[VIRGIN_COPY_GEN], 0x100000); /* default rom */
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, l3alt_prot_r, l3alt_prot_w);
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memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, l3alt_bank_w);
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break;
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case REDCLIFF:
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, redclif_prot2_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, redclif_prot_r);
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break;
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case REDCL_EN:
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for (int x = VIRGIN_COPY_GEN; x < VIRGIN_COPY_GEN + 0x200005; x++)
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ROM[x] ^= 0x40;
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN + 4], 0x200000); /* default rom */
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, redclif_prot2_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, redclif_prot_r);
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break;
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case RADICA:
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memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000); // keep a copy for later banking.. making use of huge ROM_REGION allocated to genesis driver
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memcpy(&ROM[0x800000], &ROM[VIRGIN_COPY_GEN], 0x400000); // wraparound banking (from hazemd code)
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memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa1307f, 0, 0, radica_bank_select);
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break;
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case KOF99:
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//memcpy(&ROM[0x000000],&ROM[VIRGIN_COPY_GEN],0x300000);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, kof99_A13000_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13002, 0xa13003, 0, 0, kof99_A13002_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa1303e, 0xa1303f, 0, 0, kof99_00A1303E_r);
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break;
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case SOULBLAD:
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, soulb_400002_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, soulb_400004_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, soulb_400006_r);
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break;
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case MJLOVER:
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, mjlovr_prot_1_r);
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memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x401000, 0x401001, 0, 0, mjlovr_prot_2_r);
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break;
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case SQUIRRELK:
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md_cart.squirrel_king_extra = 0;
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||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, squirrel_king_extra_r);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, squirrel_king_extra_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SMOUSE:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, smous_prot_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SMB:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, smbro_prot_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SMB2:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, smb2_extra_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case KAIJU:
|
||||||
|
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
memcpy(&ROM[0x600000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, kaiju_bank_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CHINFIGHT3:
|
||||||
|
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
memcpy(&ROM[0x600000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
||||||
|
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x4fffff, 0, 0, chifi3_prot_r);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, chifi3_bank_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case LIONK2:
|
||||||
|
md_cart.lion2_prot1_data = md_cart.lion2_prot2_data = 0;
|
||||||
|
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, lion2_prot1_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, lion2_prot2_r);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, lion2_prot1_w);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, lion2_prot2_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case BUGSLIFE:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, bugl_extra_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case ELFWOR:
|
||||||
|
/* It return (0x55 @ 0x400000 OR 0xc9 @ 0x400004) AND (0x0f @ 0x400002 OR 0x18 @ 0x400006). It is probably best to add handlers for all 4 addresses. */
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, elfwor_400000_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, elfwor_400002_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, elfwor_400004_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, elfwor_400006_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case ROCKMANX3:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, rx3_extra_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SBUBBOB:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, sbub_extra1_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, sbub_extra2_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case KOF98:
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x480000, 0x480001, 0, 0, kof98_aa_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4800e0, 0x4800e1, 0, 0, kof98_aa_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4824a0, 0x4824a1, 0, 0, kof98_aa_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x488880, 0x488881, 0, 0, kof98_aa_r);
|
||||||
|
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4a8820, 0x4a8821, 0, 0, kof98_0a_r);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4f8820, 0x4f8821, 0, 0, kof98_00_r);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case REALTEC:
|
||||||
|
/* Realtec mapper!*/
|
||||||
|
md_cart.realtec_bank_addr = md_cart.realtec_bank_size = 0;
|
||||||
|
md_cart.realtec_old_bank_addr = -1;
|
||||||
|
|
||||||
|
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x80000);
|
||||||
|
|
||||||
|
for (mirroraddr = 0; mirroraddr < 0x400000; mirroraddr += 0x2000)
|
||||||
|
memcpy(ROM + mirroraddr, ROM + VIRGIN_COPY_GEN + 0x7e000, 0x002000); /* copy last 8kb across the whole rom region */
|
||||||
|
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, realtec_400000_w);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x402000, 0x402001, 0, 0, realtec_402000_w);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x404000, 0x404001, 0, 0, realtec_404000_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case MC_SUP19IN1:
|
||||||
|
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000); // allow hard reset to menu
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13039, 0, 0, s19in1_bank);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case MC_SUP15IN1:
|
||||||
|
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000); // allow hard reset to menu
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13039, 0, 0, s19in1_bank);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case MC_12IN1:
|
||||||
|
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000); /* default rom */
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa1303f, 0, 0, mc_12in1_bank_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case TOPFIGHTER:
|
||||||
|
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000); /* default rom */
|
||||||
|
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6f5344, 0x6f5345, 0, 0, topfig_6F5344_r );
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6bd294, 0x6bd295, 0, 0, topfig_6BD294_r );
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x645b44, 0x645b45, 0, 0, topfig_645B44_r );
|
||||||
|
|
||||||
|
/* readd */
|
||||||
|
//memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x689b80, 0x689b81, 0, 0, MWA16_NOP);
|
||||||
|
//memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6d8b02, 0x6d8b03, 0, 0, MWA16_NOP);
|
||||||
|
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, topfig_bank_w );
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (md_cart.type == LIONK3 || md_cart.type == SKINGKONG)
|
/* games whose protection gets patched out */
|
||||||
{
|
|
||||||
md_cart.l3alt_pdat = md_cart.l3alt_pcmd = 0;
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000); /* default rom */
|
|
||||||
memcpy(&ROM[0x200000], &ROM[VIRGIN_COPY_GEN], 0x200000); /* default rom */
|
|
||||||
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, l3alt_prot_r, l3alt_prot_w);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, l3alt_bank_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SDK99)
|
|
||||||
{
|
|
||||||
md_cart.l3alt_pdat = md_cart.l3alt_pcmd = 0;
|
|
||||||
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x300000); /* default rom */
|
|
||||||
memcpy(&ROM[0x300000], &ROM[VIRGIN_COPY_GEN], 0x100000); /* default rom */
|
|
||||||
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, l3alt_prot_r, l3alt_prot_w);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, l3alt_bank_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == REDCLIFF)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, redclif_prot2_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, redclif_prot_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == REDCL_EN)
|
|
||||||
{
|
|
||||||
int x;
|
|
||||||
|
|
||||||
for (x = VIRGIN_COPY_GEN; x < VIRGIN_COPY_GEN + 0x200005; x++)
|
|
||||||
{
|
|
||||||
ROM[x] ^= 0x40;
|
|
||||||
}
|
|
||||||
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN + 4], 0x200000); /* default rom */
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, redclif_prot2_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, redclif_prot_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == RADICA)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000); // keep a copy for later banking.. making use of huge ROM_REGION allocated to genesis driver
|
|
||||||
memcpy(&ROM[0x800000], &ROM[VIRGIN_COPY_GEN], 0x400000); // wraparound banking (from hazemd code)
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa1307f, 0, 0, radica_bank_select);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == KOF99)
|
|
||||||
{
|
|
||||||
//memcpy(&ROM[0x000000],&ROM[VIRGIN_COPY_GEN],0x300000);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, kof99_A13000_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13002, 0xa13003, 0, 0, kof99_A13002_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa1303e, 0xa1303f, 0, 0, kof99_00A1303E_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SOULBLAD)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, soulb_400002_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, soulb_400004_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, soulb_400006_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == MJLOVER)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, mjlovr_prot_1_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x401000, 0x401001, 0, 0, mjlovr_prot_2_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SQUIRRELK)
|
|
||||||
{
|
|
||||||
md_cart.squirrel_king_extra = 0;
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, squirrel_king_extra_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, squirrel_king_extra_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SMOUSE)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400007, 0, 0, smous_prot_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SMB)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, smbro_prot_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SMB2)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, smb2_extra_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == KAIJU)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
memcpy(&ROM[0x600000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, kaiju_bank_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == CHINFIGHT3)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
memcpy(&ROM[0x600000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x200000);
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x4fffff, 0, 0, chifi3_prot_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x600000, 0x6fffff, 0, 0, chifi3_bank_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == LIONK2)
|
|
||||||
{
|
|
||||||
md_cart.lion2_prot1_data = md_cart.lion2_prot2_data = 0;
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, lion2_prot1_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, lion2_prot2_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, lion2_prot1_w);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, lion2_prot2_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == BUGSLIFE)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, bugl_extra_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == ELFWOR)
|
|
||||||
{
|
|
||||||
/* It return (0x55 @ 0x400000 OR 0xc9 @ 0x400004) AND (0x0f @ 0x400002 OR 0x18 @ 0x400006). It is probably best to add handlers for all 4 addresses. */
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, elfwor_400000_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, elfwor_400002_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400004, 0x400005, 0, 0, elfwor_400004_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400006, 0x400007, 0, 0, elfwor_400006_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == ROCKMANX3)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13001, 0, 0, rx3_extra_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == SBUBBOB)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, sbub_extra1_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400002, 0x400003, 0, 0, sbub_extra2_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == KOF98)
|
|
||||||
{
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x480000, 0x480001, 0, 0, kof98_aa_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4800e0, 0x4800e1, 0, 0, kof98_aa_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4824a0, 0x4824a1, 0, 0, kof98_aa_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x488880, 0x488881, 0, 0, kof98_aa_r);
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4a8820, 0x4a8821, 0, 0, kof98_0a_r);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x4f8820, 0x4f8821, 0, 0, kof98_00_r);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == REALTEC)
|
|
||||||
{
|
|
||||||
/* Realtec mapper!*/
|
|
||||||
md_cart.realtec_bank_addr = md_cart.realtec_bank_size = 0;
|
|
||||||
md_cart.realtec_old_bank_addr = -1;
|
|
||||||
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x80000);
|
|
||||||
|
|
||||||
for (mirroraddr = 0; mirroraddr < 0x400000; mirroraddr += 0x2000)
|
|
||||||
{
|
|
||||||
memcpy(ROM + mirroraddr, ROM + VIRGIN_COPY_GEN + 0x7e000, 0x002000); /* copy last 8kb across the whole rom region */
|
|
||||||
}
|
|
||||||
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, realtec_400000_w);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x402000, 0x402001, 0, 0, realtec_402000_w);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x404000, 0x404001, 0, 0, realtec_404000_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == MC_SUP19IN1)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x400000); // allow hard reset to menu
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13039, 0, 0, s19in1_bank);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == MC_SUP15IN1)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x400000], &ROM[VIRGIN_COPY_GEN], 0x200000); // allow hard reset to menu
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa13039, 0, 0, s19in1_bank);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == MC_12IN1)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000); /* default rom */
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa13000, 0xa1303f, 0, 0, mc_12in1_bank_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == TOPFIGHTER)
|
|
||||||
{
|
|
||||||
memcpy(&ROM[0x000000], &ROM[VIRGIN_COPY_GEN], 0x400000); /* default rom */
|
|
||||||
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6f5344, 0x6f5345, 0, 0, topfig_6F5344_r );
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6bd294, 0x6bd295, 0, 0, topfig_6BD294_r );
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x645b44, 0x645b45, 0, 0, topfig_645B44_r );
|
|
||||||
|
|
||||||
/* readd */
|
|
||||||
//memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x689b80, 0x689b81, 0, 0, MWA16_NOP);
|
|
||||||
//memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6d8b02, 0x6d8b03, 0, 0, MWA16_NOP);
|
|
||||||
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x700000, 0x7fffff, 0, 0, topfig_bank_w );
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == POKEMON)
|
if (md_cart.type == POKEMON)
|
||||||
{
|
{
|
||||||
@ -1180,44 +1160,147 @@ static void setup_megadriv_custom_mappers(running_machine *machine)
|
|||||||
ROM16[0x06036/2] = 0xE000;
|
ROM16[0x06036/2] = 0xE000;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* install i2c handlers */
|
|
||||||
if (md_cart.type == NBA_JAM)
|
|
||||||
{
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, nba_jam_eeprom_r, nba_jam_eeprom_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == WBOY_V)
|
|
||||||
{
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, wboy_v_eeprom_r, wboy_v_eeprom_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == NBA_JAM_TE || md_cart.type == NFL_QB_96 || md_cart.type == C_SLAM) // same handling but different sizes
|
|
||||||
{
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, nba_jam_te_eeprom_r, nba_jam_te_eeprom_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == EA_NHLPA)
|
|
||||||
{
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, ea_nhlpa_eeprom_r, ea_nhlpa_eeprom_w);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.type == CODE_MASTERS || md_cart.type == CM_JCART_SEPROM)
|
|
||||||
{
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x300000, 0x300001, 0, 0, codemasters_eeprom_w);
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x380000, 0x380001, 0, 0, codemasters_eeprom_r);
|
|
||||||
|
|
||||||
// TODO: J-Cart device
|
|
||||||
}
|
|
||||||
|
|
||||||
/* install NOP handler for TMSS */
|
/* install NOP handler for TMSS */
|
||||||
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa14000, 0xa14003, 0, 0, genesis_TMSS_bank_w);
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa14000, 0xa14003, 0, 0, genesis_TMSS_bank_w);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void setup_megadriv_sram(running_machine *machine)
|
||||||
|
{
|
||||||
|
UINT8 *ROM = machine->region("maincpu")->base();
|
||||||
|
megadriv_backupram = NULL;
|
||||||
|
md_cart.sram = NULL;
|
||||||
|
md_cart.sram_start = md_cart.sram_end = 0;
|
||||||
|
md_cart.has_serial_eeprom = 0;
|
||||||
|
md_cart.sram_detected = 0;
|
||||||
|
md_cart.sram_handlers_installed = 0;
|
||||||
|
md_cart.sram_readonly = 0;
|
||||||
|
md_cart.sram_active = 0;
|
||||||
|
|
||||||
|
/* install SRAM & i2c handlers for the specific type of cart */
|
||||||
|
switch (md_cart.type)
|
||||||
|
{
|
||||||
|
case SEGA_SRAM:
|
||||||
|
md_cart.sram_start = 0x200000;
|
||||||
|
md_cart.sram_end = md_cart.sram_start + 0x3fff;
|
||||||
|
md_cart.sram_detected = 1;
|
||||||
|
md_cart.sram_active = 1;
|
||||||
|
megadriv_backupram = (UINT16*) (ROM + md_cart.sram_start);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case BEGGAR:
|
||||||
|
md_cart.sram_start = 0x400000;
|
||||||
|
md_cart.sram_end = md_cart.sram_start + 0xffff;
|
||||||
|
md_cart.sram_detected = 1;
|
||||||
|
md_cart.sram_active = 1;
|
||||||
|
megadriv_backupram = (UINT16*) (ROM + md_cart.sram_start);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SEGA_FRAM:
|
||||||
|
md_cart.sram_start = 0x200000;
|
||||||
|
md_cart.sram_end = md_cart.sram_start + 0x3ff;
|
||||||
|
md_cart.sram_detected = 1;
|
||||||
|
megadriv_backupram = (UINT16*) (ROM + md_cart.sram_start);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, sega_6658a_reg_r);
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, sega_6658a_reg_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SEGA_EEPROM:
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, wboy_v_eeprom_r, wboy_v_eeprom_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case NBA_JAM:
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, nba_jam_eeprom_r, nba_jam_eeprom_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case NBA_JAM_TE:
|
||||||
|
case NFL_QB_96:
|
||||||
|
case C_SLAM: // same handling but different sizes
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, nba_jam_te_eeprom_r, nba_jam_te_eeprom_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case EA_NHLPA:
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200000, 0x200001, 0, 0, ea_nhlpa_eeprom_r, ea_nhlpa_eeprom_w);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CODE_MASTERS:
|
||||||
|
case CM_JCART_SEPROM:
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x300000, 0x300001, 0, 0, codemasters_eeprom_w);
|
||||||
|
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x380000, 0x380001, 0, 0, codemasters_eeprom_r);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (md_cart.sram_detected)
|
||||||
|
{
|
||||||
|
//printf("res: start %x, end %x, det %d, active %d\n", md_cart.sram_start, md_cart.sram_end, md_cart.sram_detected, md_cart.sram_active);
|
||||||
|
|
||||||
|
if (md_cart.sram_active)
|
||||||
|
install_sram_rw_handlers(machine, FALSE);
|
||||||
|
}
|
||||||
|
|
||||||
|
// If the cart is not of a special type, we check the header. Unfortunately, there are ROMs without correct info in the header,
|
||||||
|
// hence we do the mapping anyway, but we activate SRAM later only if the game will access it.
|
||||||
|
if (!md_cart.sram_detected && !md_cart.has_serial_eeprom)
|
||||||
|
{
|
||||||
|
/* check if cart has battery save */
|
||||||
|
if (ROM[0x1b1] == 'R' && ROM[0x1b0] == 'A')
|
||||||
|
{
|
||||||
|
/* SRAM info found in header */
|
||||||
|
md_cart.sram_start = (ROM[0x1b5] << 24 | ROM[0x1b4] << 16 | ROM[0x1b7] << 8 | ROM[0x1b6]);
|
||||||
|
md_cart.sram_end = (ROM[0x1b9] << 24 | ROM[0x1b8] << 16 | ROM[0x1bb] << 8 | ROM[0x1ba]);
|
||||||
|
|
||||||
|
if ((md_cart.sram_start > md_cart.sram_end) || ((md_cart.sram_end - md_cart.sram_start) >= 0x10000)) // we assume at most 64k of SRAM (HazeMD uses at most 64k). is this correct?
|
||||||
|
md_cart.sram_end = md_cart.sram_start + 0x0FFFF;
|
||||||
|
|
||||||
|
/* for some games using serial EEPROM, difference between SRAM
|
||||||
|
end to start is 0 or 1. Currently EEPROM is not emulated. */
|
||||||
|
if ((md_cart.sram_end - md_cart.sram_start) < 2)
|
||||||
|
md_cart.has_serial_eeprom = 1;
|
||||||
|
else
|
||||||
|
md_cart.sram_detected = 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* set default SRAM positions, with size = 64k */
|
||||||
|
md_cart.sram_start = 0x200000;
|
||||||
|
md_cart.sram_end = md_cart.sram_start + 0xffff;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (md_cart.sram_start & 1)
|
||||||
|
md_cart.sram_start -= 1;
|
||||||
|
|
||||||
|
if (!(md_cart.sram_end & 1))
|
||||||
|
md_cart.sram_end += 1;
|
||||||
|
|
||||||
|
/* calculate backup RAM location */
|
||||||
|
megadriv_backupram = (UINT16*) (ROM + (md_cart.sram_start & 0x3fffff));
|
||||||
|
|
||||||
|
if (md_cart.sram_detected)
|
||||||
|
logerror("SRAM detected from header: starting location %X - SRAM Length %X\n", md_cart.sram_start, md_cart.sram_end - md_cart.sram_start + 1);
|
||||||
|
|
||||||
|
/* Enable SRAM handlers only if the game does not use EEPROM. */
|
||||||
|
if (!md_cart.has_serial_eeprom)
|
||||||
|
{
|
||||||
|
/* Info from DGen: If SRAM does not overlap main ROM, set it active by
|
||||||
|
default since a few games can't manage to properly switch it on/off. */
|
||||||
|
if (md_cart.last_loaded_image_length <= md_cart.sram_start)
|
||||||
|
md_cart.sram_active = 1;
|
||||||
|
|
||||||
|
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, genesis_sram_toggle);
|
||||||
|
//printf("res: start %x, end %x, det %d, active %d\n", md_cart.sram_start, md_cart.sram_end, md_cart.sram_detected, md_cart.sram_active);
|
||||||
|
|
||||||
|
/* Sonic 1 included in Sonic Classics doesn't have SRAM and
|
||||||
|
does lots of ROM access at this range, then only install read/
|
||||||
|
write handlers if SRAM is active to not slow down emulation. */
|
||||||
|
if (md_cart.sram_active)
|
||||||
|
install_sram_rw_handlers(machine, TRUE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/*************************************
|
/*************************************
|
||||||
*
|
*
|
||||||
@ -1479,14 +1562,14 @@ static int megadrive_load_nonlist(device_image_interface &image)
|
|||||||
md_cart.type = EA_NHLPA;
|
md_cart.type = EA_NHLPA;
|
||||||
|
|
||||||
if (!allendianmemcmp((char *)&ROM[0x0180], "GM MK-1215", 10)) // Evander Holyfield
|
if (!allendianmemcmp((char *)&ROM[0x0180], "GM MK-1215", 10)) // Evander Holyfield
|
||||||
md_cart.type = WBOY_V;
|
md_cart.type = SEGA_EEPROM;
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 0xc0000:
|
case 0xc0000:
|
||||||
|
|
||||||
if (!allendianmemcmp((char *)&ROM[0x0180], "GM G-4060 ", 8)) // Wonder Boy V
|
if (!allendianmemcmp((char *)&ROM[0x0180], "GM G-4060 ", 8)) // Wonder Boy V
|
||||||
md_cart.type = WBOY_V;
|
md_cart.type = SEGA_EEPROM;
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
@ -1510,7 +1593,7 @@ static int megadrive_load_nonlist(device_image_interface &image)
|
|||||||
md_cart.type = EA_NHLPA;
|
md_cart.type = EA_NHLPA;
|
||||||
|
|
||||||
if (!allendianmemcmp((char *)&ROM[0x0180], "MK 00001211-00", 14)) // Sports Talk Baseball
|
if (!allendianmemcmp((char *)&ROM[0x0180], "MK 00001211-00", 14)) // Sports Talk Baseball
|
||||||
md_cart.type = WBOY_V;
|
md_cart.type = SEGA_EEPROM;
|
||||||
|
|
||||||
if (!allendianmemcmp((char *)&ROM[0x0180], "GM T-120096-", 12)) // Micro Machines 2
|
if (!allendianmemcmp((char *)&ROM[0x0180], "GM T-120096-", 12)) // Micro Machines 2
|
||||||
md_cart.type = CODE_MASTERS;
|
md_cart.type = CODE_MASTERS;
|
||||||
@ -1560,11 +1643,11 @@ static int megadrive_load_nonlist(device_image_interface &image)
|
|||||||
md_cart.type = NBA_JAM;
|
md_cart.type = NBA_JAM;
|
||||||
|
|
||||||
if (!allendianmemcmp((char *)&ROM[0x0180], "GM MK-1228", 10)) // Greatest Heavyweight of the Ring
|
if (!allendianmemcmp((char *)&ROM[0x0180], "GM MK-1228", 10)) // Greatest Heavyweight of the Ring
|
||||||
md_cart.type = WBOY_V;
|
md_cart.type = SEGA_EEPROM;
|
||||||
|
|
||||||
if ((!allendianmemcmp((char *)&ROM[0x0180], "GM T-12046", 10)) || // Mega Man
|
if ((!allendianmemcmp((char *)&ROM[0x0180], "GM T-12046", 10)) || // Mega Man
|
||||||
(!allendianmemcmp((char *)&ROM[0x0180], "GM T-12053", 10) && !allendianmemcmp(&ROM[0x18e], &rockman_sig[0], sizeof(rockman_sig)))) // / Rock Man (EEPROM version)
|
(!allendianmemcmp((char *)&ROM[0x0180], "GM T-12053", 10) && !allendianmemcmp(&ROM[0x18e], &rockman_sig[0], sizeof(rockman_sig)))) // / Rock Man (EEPROM version)
|
||||||
md_cart.type = WBOY_V;
|
md_cart.type = SEGA_EEPROM;
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
@ -1620,75 +1703,6 @@ static int megadrive_load_nonlist(device_image_interface &image)
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
logerror("cart type: %d\n", md_cart.type);
|
|
||||||
|
|
||||||
// STEP 3: install memory handlers for this type of cart
|
|
||||||
setup_megadriv_custom_mappers(image.device().machine);
|
|
||||||
|
|
||||||
// STEP 4: take care of SRAM.
|
|
||||||
// We check the header, but there are ROMs without correct info in the header
|
|
||||||
// The solution adopted is do the mapping anyway, then active SRAM later if the game will access it.
|
|
||||||
md_cart.sram = NULL;
|
|
||||||
md_cart.sram_start = md_cart.sram_end = 0;
|
|
||||||
md_cart.has_serial_eeprom = 0;
|
|
||||||
md_cart.sram_detected = 0;
|
|
||||||
md_cart.sram_handlers_installed = 0;
|
|
||||||
md_cart.sram_readonly = 0;
|
|
||||||
md_cart.sram_active = 0;
|
|
||||||
|
|
||||||
/* check if cart has battery save */
|
|
||||||
if (ROM[0x1b1] == 'R' && ROM[0x1b0] == 'A')
|
|
||||||
{
|
|
||||||
/* SRAM info found in header */
|
|
||||||
md_cart.sram_start = (ROM[0x1b5] << 24 | ROM[0x1b4] << 16 | ROM[0x1b7] << 8 | ROM[0x1b6]);
|
|
||||||
md_cart.sram_end = (ROM[0x1b9] << 24 | ROM[0x1b8] << 16 | ROM[0x1bb] << 8 | ROM[0x1ba]);
|
|
||||||
|
|
||||||
if ((md_cart.sram_start > md_cart.sram_end) || ((md_cart.sram_end - md_cart.sram_start) >= 0x10000)) // we assume at most 64k of SRAM (HazeMD uses at most 64k). is this correct?
|
|
||||||
md_cart.sram_end = md_cart.sram_start + 0x0FFFF;
|
|
||||||
|
|
||||||
/* for some games using serial EEPROM, difference between SRAM
|
|
||||||
end to start is 0 or 1. Currently EEPROM is not emulated. */
|
|
||||||
if ((md_cart.sram_end - md_cart.sram_start) < 2)
|
|
||||||
md_cart.has_serial_eeprom = 1;
|
|
||||||
else
|
|
||||||
md_cart.sram_detected = 1;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* set default SRAM positions, with size = 64k */
|
|
||||||
md_cart.sram_start = 0x200000;
|
|
||||||
md_cart.sram_end = md_cart.sram_start + 0xffff;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.sram_start & 1)
|
|
||||||
md_cart.sram_start -= 1;
|
|
||||||
|
|
||||||
if (!(md_cart.sram_end & 1))
|
|
||||||
md_cart.sram_end += 1;
|
|
||||||
|
|
||||||
/* calculate backup RAM location */
|
|
||||||
megadriv_backupram = (UINT16*) (ROM + (md_cart.sram_start & 0x3fffff));
|
|
||||||
|
|
||||||
if (md_cart.sram_detected)
|
|
||||||
logerror("SRAM detected from header: starting location %X - SRAM Length %X\n", md_cart.sram_start, md_cart.sram_end - md_cart.sram_start + 1);
|
|
||||||
|
|
||||||
/* Enable SRAM handlers only if the game does not use EEPROM. */
|
|
||||||
if (!md_cart.has_serial_eeprom)
|
|
||||||
{
|
|
||||||
/* Info from DGen: If SRAM does not overlap main ROM, set it active by
|
|
||||||
default since a few games can't manage to properly switch it on/off. */
|
|
||||||
if (md_cart.last_loaded_image_length <= md_cart.sram_start)
|
|
||||||
md_cart.sram_active = 1;
|
|
||||||
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, genesis_sram_toggle);
|
|
||||||
|
|
||||||
/* Sonic 1 included in Sonic Classics doesn't have SRAM and
|
|
||||||
does lots of ROM access at this range, then only install read/
|
|
||||||
write handlers if SRAM is active to not slow down emulation. */
|
|
||||||
if (md_cart.sram_active)
|
|
||||||
install_sram_rw_handlers(image.device().machine);
|
|
||||||
}
|
|
||||||
|
|
||||||
return IMAGE_INIT_PASS;
|
return IMAGE_INIT_PASS;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -1705,14 +1719,6 @@ static int megadrive_load_list(device_image_interface &image)
|
|||||||
memcpy(ROM, image.get_software_region("rom"), length);
|
memcpy(ROM, image.get_software_region("rom"), length);
|
||||||
|
|
||||||
md_cart.last_loaded_image_length = length;
|
md_cart.last_loaded_image_length = length;
|
||||||
megadriv_backupram = NULL;
|
|
||||||
md_cart.sram = NULL;
|
|
||||||
md_cart.sram_start = md_cart.sram_end = 0;
|
|
||||||
md_cart.has_serial_eeprom = 0;
|
|
||||||
md_cart.sram_detected = 0;
|
|
||||||
md_cart.sram_handlers_installed = 0;
|
|
||||||
md_cart.sram_readonly = 0;
|
|
||||||
md_cart.sram_active = 0;
|
|
||||||
|
|
||||||
if ((pcb_name = image.get_feature("pcb_type")) == NULL)
|
if ((pcb_name = image.get_feature("pcb_type")) == NULL)
|
||||||
md_cart.type = SEGA_STD;
|
md_cart.type = SEGA_STD;
|
||||||
@ -1720,42 +1726,6 @@ static int megadrive_load_list(device_image_interface &image)
|
|||||||
md_cart.type = md_get_pcb_id(pcb_name);
|
md_cart.type = md_get_pcb_id(pcb_name);
|
||||||
|
|
||||||
memcpy(&ROM[VIRGIN_COPY_GEN], &ROM[0x000000], MAX_MD_CART_SIZE); /* store a copy of data */
|
memcpy(&ROM[VIRGIN_COPY_GEN], &ROM[0x000000], MAX_MD_CART_SIZE); /* store a copy of data */
|
||||||
setup_megadriv_custom_mappers(image.device().machine);
|
|
||||||
|
|
||||||
switch (md_cart.type)
|
|
||||||
{
|
|
||||||
/* Sega PCB */
|
|
||||||
case SEGA_EEPROM: // still used by Game Toshokan, to be fixed
|
|
||||||
fatalerror("Need Serial EEPROM emulation");
|
|
||||||
break;
|
|
||||||
case SEGA_SRAM:
|
|
||||||
md_cart.sram_start = 0x200000;
|
|
||||||
md_cart.sram_end = md_cart.sram_start + 0x3fff;
|
|
||||||
md_cart.sram_detected = 1;
|
|
||||||
megadriv_backupram = (UINT16*) (ROM + (md_cart.sram_start & 0x3fffff));
|
|
||||||
md_cart.sram_active = 1;
|
|
||||||
break;
|
|
||||||
case SEGA_FRAM:
|
|
||||||
md_cart.sram_start = 0x200000;
|
|
||||||
md_cart.sram_end = md_cart.sram_start + 0x3ff;
|
|
||||||
md_cart.sram_detected = 1;
|
|
||||||
megadriv_backupram = (UINT16*) (ROM + (md_cart.sram_start & 0x3fffff));
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, sega_6658a_reg_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, sega_6658a_reg_w);
|
|
||||||
break;
|
|
||||||
/* Codemasters PCB (J-Carts) */
|
|
||||||
case CM_JCART:
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_w);
|
|
||||||
break;
|
|
||||||
case CM_JCART_SEPROM:
|
|
||||||
memory_install_read16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_r);
|
|
||||||
memory_install_write16_handler(cputag_get_address_space(image.device().machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x38fffe, 0x38ffff, 0, 0, jcart_ctrl_w);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (md_cart.sram_detected)
|
|
||||||
install_sram_rw_handlers(image.device().machine);
|
|
||||||
|
|
||||||
return IMAGE_INIT_PASS;
|
return IMAGE_INIT_PASS;
|
||||||
}
|
}
|
||||||
@ -1763,11 +1733,30 @@ static int megadrive_load_list(device_image_interface &image)
|
|||||||
static DEVICE_IMAGE_LOAD( genesis_cart )
|
static DEVICE_IMAGE_LOAD( genesis_cart )
|
||||||
{
|
{
|
||||||
md_cart.type = SEGA_STD;
|
md_cart.type = SEGA_STD;
|
||||||
|
int res;
|
||||||
|
|
||||||
|
// STEP 1: load the file image and keep a copy for later banking
|
||||||
|
// STEP 2: identify the cart type
|
||||||
|
// The two steps are carried out differently if we are loading from a list or not
|
||||||
if (image.software_entry() == NULL)
|
if (image.software_entry() == NULL)
|
||||||
return megadrive_load_nonlist(image);
|
res = megadrive_load_nonlist(image);
|
||||||
else
|
else
|
||||||
return megadrive_load_list(image);
|
res = megadrive_load_list(image);
|
||||||
|
|
||||||
|
logerror("cart type: %d\n", md_cart.type);
|
||||||
|
|
||||||
|
if (res == IMAGE_INIT_PASS)
|
||||||
|
{
|
||||||
|
// STEP 3: install memory handlers for this type of cart
|
||||||
|
setup_megadriv_custom_mappers(image.device().machine);
|
||||||
|
|
||||||
|
// STEP 4: take care of SRAM.
|
||||||
|
setup_megadriv_sram(image.device().machine);
|
||||||
|
|
||||||
|
return IMAGE_INIT_PASS;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
return IMAGE_INIT_FAIL;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******* SRAM saving *******/
|
/******* SRAM saving *******/
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user