/***************************************************************************
Initialize the emulated machine (load the roms, initialize the various
subsystems...). Returns 0 if successful.
***************************************************************************/
int init_machine(void)
{
int i;
/* LBO 042400 start */
if (uistring_init (options.language_file) != 0)
goto out;
/* LBO 042400 end */
if (code_init() != 0)
goto out;
for (i = 0;i < MAX_MEMORY_REGIONS;i++)
{
Machine->memory_region[i] = 0;
Machine->memory_region_length[i] = 0;
Machine->memory_region_type[i] = 0;
}
if (gamedrv->input_ports)
{
Machine->input_ports = input_port_allocate(gamedrv->input_ports);
if (!Machine->input_ports)
goto out_code;
Machine->input_ports_default = input_port_allocate(gamedrv->input_ports);
if (!Machine->input_ports_default)
{
input_port_free(Machine->input_ports);
Machine->input_ports = 0;
goto out_code;
}
}
#ifdef MESS
if (!gamedrv->rom)
{
logerror("Going to load_next tag\n");
goto load_next;
}
#endif
if (readroms() != 0)
goto out_free;
#ifdef MESS
load_next:
if (init_devices(gamedrv))
goto out_free;
#endif
/* Mish: Multi-session safety - set spriteram size to zero before memory map is set up */
spriteram_size=spriteram_2_size=0;
/* first of all initialize the memory handlers, which could be used by the */
/* other initialization routines */
cpu_init();
/* load input ports settings (keys, dip switches, and so on) */
settingsloaded = load_input_port_settings();
if( !memory_init() )
goto out_free;
if (gamedrv->driver_init) (*gamedrv->driver_init)();
return 0;
out_free:
input_port_free(Machine->input_ports);
Machine->input_ports = 0;
input_port_free(Machine->input_ports_default);
Machine->input_ports_default = 0;
out_code:
code_close();
out:
return 1;
}
/***************************************************************************
Initialize the emulated machine (load the roms, initialize the various
subsystems...). Returns 0 if successful.
***************************************************************************/
int init_machine(const char *gamename,int argc,char **argv)
{
int i;
frameskip = 0;
for (i = 1;i < argc;i++)
{
if (stricmp(argv[i],"-frameskip") == 0)
{
i++;
if (i < argc)
{
frameskip = atoi(argv[i]);
if (frameskip < 0) frameskip = 0;
if (frameskip > 3) frameskip = 3;
}
}
}
i = 0;
while (drivers[i] && stricmp(gamename,drivers[i]->name) != 0)
i++;
if (drivers[i] == 0)
{
printf("game \"%s\" not supported\n",gamename);
return 1;
}
Machine->gamedrv = gamedrv = drivers[i];
Machine->drv = drv = gamedrv->drv;
if (readroms(gamedrv->rom,gamename) != 0)
return 1;
RAM = Machine->memory_region[drv->cpu[0].memory_region];
ROM = RAM;
/* decrypt the ROMs if necessary */
if (gamedrv->rom_decode)
{
int j;
for (j = 0;j < 0x10000;j++)
RAM[j] = (*gamedrv->rom_decode)(j);
}
if (gamedrv->opcode_decode)
{
int j;
/* find the first avaialble memory region pointer */
j = 0;
while (Machine->memory_region[j]) j++;
if ((ROM = (unsigned char *)malloc(0x10000)) == 0)
return 1;
Machine->memory_region[j] = ROM;
for (j = 0;j < 0x10000;j++)
ROM[j] = (*gamedrv->opcode_decode)(j);
}
/* read audio samples if available */
Machine->samples = readsamples(gamedrv->samplenames,gamename);
if (*drv->init_machine && (*drv->init_machine)(gamename) != 0)
return 1;
if (*drv->vh_init && (*drv->vh_init)(gamename) != 0)
return 1;
if (*drv->sh_init && (*drv->sh_init)(gamename) != 0)
return 1;
return 0;
}