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nvram - in case of multiple bioses, system nvram will be saved in [Miodrag Milanovic]

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form systemname_biosnum.nv in cases when non-default bios is used.
For default bios selection all stay the same.
This commit is contained in:
Miodrag Milanovic 2011-07-06 13:08:47 +00:00
parent 9babf1fcf4
commit bd598da61f
3 changed files with 45 additions and 3 deletions
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21
src/emu/machine/generic.c
View File

@ -311,6 +311,21 @@ void coin_lockout_global_w(running_machine &machine, int on)
NVRAM MANAGEMENT
***************************************************************************/
/*-------------------------------------------------
nvram_filename - returns filename of system's
NVRAM depending of selected BIOS
-------------------------------------------------*/
static astring nvram_filename(running_machine &machine, astring &result)
{
if (rom_default_bios(machine) == rom_system_bios(machine)) {
result.printf("%s",machine.basename());
} else {
result.printf("%s_%d",machine.basename(),rom_system_bios(machine) - 1);
}
return result;
}
/*-------------------------------------------------
nvram_load - load a system's NVRAM
-------------------------------------------------*/
@ -323,8 +338,9 @@ void nvram_load(running_machine &machine)
return;
// open the file; if it exists, call everyone to read from it
astring filename;
emu_file file(machine.options().nvram_directory(), OPEN_FLAG_READ);
if (file.open(machine.basename(), ".nv") == FILERR_NONE)
if (file.open(nvram_filename(machine,filename), ".nv") == FILERR_NONE)
{
// read data from general NVRAM handler first
if (machine.config().m_nvram_handler != NULL)
@ -361,8 +377,9 @@ void nvram_save(running_machine &machine)
return;
// open the file; if it exists, call everyone to read from it
astring filename;
emu_file file(machine.options().nvram_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
if (file.open(machine.basename(), ".nv") == FILERR_NONE)
if (file.open(nvram_filename(machine,filename), ".nv") == FILERR_NONE)
{
// write data via general NVRAM handler first
if (machine.config().m_nvram_handler != NULL)

22
src/emu/romload.c
View File

@ -53,6 +53,7 @@ struct _romload_private
running_machine *m_machine; /* machine object where needed */
int system_bios; /* the system BIOS we wish to load */
int default_bios; /* the default system BIOS */
int warnings; /* warning count during processing */
int knownbad; /* BAD_DUMP/NO_DUMP count during processing */
@ -377,7 +378,7 @@ static void determine_bios_rom(rom_load_data *romdata)
/* set to default */
romdata->system_bios = default_no;
}
romdata->default_bios = default_no;
LOG(("Using System BIOS: %d\n", romdata->system_bios));
}
}
@ -1582,3 +1583,22 @@ int rom_load_knownbad(running_machine &machine)
{
return machine.romload_data->knownbad;
}
/*-------------------------------------------------
rom_system_bios - return id of selected bios
-------------------------------------------------*/
int rom_system_bios(running_machine &machine)
{
return machine.romload_data->system_bios;
}
/*-------------------------------------------------
rom_default_bios - return id of default bios
-------------------------------------------------*/
int rom_default_bios(running_machine &machine)
{
return machine.romload_data->default_bios;
}

5
src/emu/romload.h
View File

@ -274,6 +274,11 @@ int rom_load_warnings(running_machine &machine);
/* return the number of BAD_DUMP/NO_DUMP warnings we generated */
int rom_load_knownbad(running_machine &machine);
/* return id of selected bios */
int rom_system_bios(running_machine &machine);
/* return id of default bios */
int rom_default_bios(running_machine &machine);
/* ----- Helpers ----- */