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improved PAL region auto-detection for some games

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fixed auto-detected inputs not being properly initialized after ROM loads
some code cleanup
This commit is contained in:
ekeeke31 2010-03-22 14:03:58 +00:00
parent 9092121e60
commit a590414754
4 changed files with 42 additions and 28 deletions
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53
source/cart_hw/cart_hw.c
View File

@ -233,7 +233,7 @@ void cart_hw_init()
}
/**********************************************
EXTERNAL RAM
BACKUP MEMORY
***********************************************/
sram_init();
eeprom_init();
@ -241,7 +241,7 @@ void cart_hw_init()
{
if (sram.custom)
{
/* serial EEPROM */
/* Serial EEPROM */
m68k_memory_map[eeprom.type.sda_out_adr >> 16].read8 = eeprom_read_byte;
m68k_memory_map[eeprom.type.sda_out_adr >> 16].read16 = eeprom_read_word;
m68k_memory_map[eeprom.type.sda_in_adr >> 16].read8 = eeprom_read_byte;
@ -286,7 +286,7 @@ void cart_hw_init()
}
/**********************************************
SPECIAL PERIPHERALS
SPECIFIC CONTROLLER SETTINGS
***********************************************/
/* restore previous settings */
@ -305,8 +305,10 @@ void cart_hw_init()
if (strstr(rominfo.international,"MENACER") != NULL)
{
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
input.system[0] = NO_SYSTEM;
input.system[1] = SYSTEM_MENACER;
@ -316,8 +318,10 @@ void cart_hw_init()
else if (strstr(rominfo.international,"T2 ; THE ARCADE GAME") != NULL)
{
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_MENACER;
@ -327,8 +331,10 @@ void cart_hw_init()
else if (strstr(rominfo.international,"BODY COUNT") != NULL)
{
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
input.system[0] = SYSTEM_MOUSE;
input.system[1] = SYSTEM_MENACER;
@ -342,8 +348,10 @@ void cart_hw_init()
else if (strstr(rominfo.international,"LETHAL ENFORCERSII") != NULL)
{
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_JUSTIFIER;
@ -353,8 +361,10 @@ void cart_hw_init()
else if (strstr(rominfo.international,"LETHAL ENFORCERS") != NULL)
{
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_JUSTIFIER;
@ -384,8 +394,10 @@ void cart_hw_init()
m68k_memory_map[0x3f].write16 = jcart_write;
/* save current setting */
if (old_system[0] == -1) old_system[0] = input.system[0];
if (old_system[1] == -1) old_system[1] = input.system[1];
if (old_system[0] == -1)
old_system[0] = input.system[0];
if (old_system[1] == -1)
old_system[1] = input.system[1];
/* set default settings */
input.system[0] = SYSTEM_GAMEPAD;
@ -715,13 +727,12 @@ static void realtec_mapper_w(uint32 address, uint32 data)
uint32 base = (cart.hw.regs[0] << 1) | (cart.hw.regs[1] << 3);
/* ensure mapped size is not null */
if (!cart.hw.regs[2]) return;
/* selected blocks are mirrored into the whole cartridge area */
int i;
for (i=0x00; i<0x40; i++)
if (cart.hw.regs[2])
{
m68k_memory_map[i].base = &cart.rom[(base + (i % cart.hw.regs[2])) << 16];
/* selected blocks are mirrored into the whole cartridge area */
int i;
for (i=0x00; i<0x40; i++)
m68k_memory_map[i].base = &cart.rom[(base + (i % cart.hw.regs[2])) << 16];
}
return;
}

5
source/cart_hw/sram.c
View File

@ -67,9 +67,10 @@ void sram_init()
}
/* set SRAM ON by default when ROM is not mapped */
if (cart.romsize <= sram.start) sram.on = 1;
if (cart.romsize <= sram.start)
sram.on = 1;
/* Some games with bad header or specific configuration */
/* autodetect some games with bad header or specific configuration */
if (strstr(rominfo.product,"T-113016") != NULL)
{
/* Pugsy (try accessing unmapped area for copy protection) */

6
source/loadrom.c
View File

@ -369,8 +369,10 @@ void set_region ()
else region_code = REGION_USA;
/* some games need specific REGION setting */
if (((strstr(rominfo.product,"T-45033") != NULL) && (rominfo.checksum == 0x0F81)) || /* Alisia Dragon (E) */
(strstr(rominfo.product,"T-69046-50") != NULL)) /* On Dal Jang Goon (Korea) */
if (((strstr(rominfo.product,"T-45033") != NULL) && (rominfo.checksum == 0x0F81)) || /* Alisia Dragon (PAL) */
(strstr(rominfo.product,"T-69046-50") != NULL) || /* Back to the Future III (PAL) */
(strstr(rominfo.product,"T-120106-00") != NULL) || /* Brian Lara Cricket (PAL) */
(strstr(rominfo.product,"T-70096 -00") != NULL)) /* Muhammad Ali Heavyweight Boxing (PAL) */
{
/* need PAL settings */
region_code = REGION_EUROPE;

6
source/system.c
View File

@ -270,15 +270,15 @@ void audio_shutdown(void)
****************************************************************/
void system_init (void)
{
/* Cartridge hardware */
cart_hw_init();
/* Genesis hardware */
gen_init();
io_init();
vdp_init();
render_init();
/* Cartridge hardware */
cart_hw_init();
/* Sound Chips hardware */
sound_init();
}