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sync with MESS

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This commit is contained in:
Fabio Priuli 2011-01-27 14:53:18 +00:00
parent ce62988c27
commit 2205ec795a
1 changed files with 7 additions and 4 deletions
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11
src/mame/machine/md_cart.c
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@ -1287,8 +1287,9 @@ static void setup_megadriv_custom_mappers(running_machine *machine)
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)
static void setup_megadriv_sram(device_image_interface &image)
{
running_machine *machine = image.device().machine;
UINT8 *ROM = machine->region("maincpu")->base();
megadriv_backupram = NULL;
md_cart.sram = NULL;
@ -1302,9 +1303,10 @@ static void setup_megadriv_sram(running_machine *machine)
/* install SRAM & i2c handlers for the specific type of cart */
switch (md_cart.type)
{
// These types only come from xml
case SEGA_SRAM:
md_cart.sram_start = 0x200000;
md_cart.sram_end = md_cart.sram_start + 0x3fff;
md_cart.sram_end = md_cart.sram_start + image.get_software_region_length("sram") - 1;
md_cart.sram_detected = 1;
megadriv_backupram = (UINT16*) (ROM + md_cart.sram_start);
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa130f0, 0xa130f1, 0, 0, genesis_sram_toggle);
@ -1326,7 +1328,7 @@ static void setup_megadriv_sram(running_machine *machine)
case SEGA_FRAM:
md_cart.sram_start = 0x200000;
md_cart.sram_end = md_cart.sram_start + 0x3ff;
md_cart.sram_end = md_cart.sram_start + image.get_software_region_length("fram") - 1;
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);
@ -1334,6 +1336,7 @@ static void setup_megadriv_sram(running_machine *machine)
install_sram_rw_handlers(machine, FALSE);
break;
// These types might come either from xml or from old-styele loading
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);
@ -1873,7 +1876,7 @@ static DEVICE_IMAGE_LOAD( genesis_cart )
setup_megadriv_custom_mappers(image.device().machine);
// STEP 4: take care of SRAM.
setup_megadriv_sram(image.device().machine);
setup_megadriv_sram(image);
return IMAGE_INIT_PASS;
}