/***************************************************************************
Run the emulation. Start the various subsystems and the CPU emulation.
Returns non zero in case of error.
***************************************************************************/
int run_machine(void)
{
int res = 1;
if (vh_open() == 0)
{
tilemap_init();
sprite_init();
gfxobj_init();
if (drv->vh_start == 0 || (*drv->vh_start)() == 0) /* start the video hardware */
{
if (sound_start() == 0) /* start the audio hardware */
{
int region;
real_scrbitmap = artwork_overlay ? overlay_real_scrbitmap : Machine->scrbitmap;
/* free memory regions allocated with REGIONFLAG_DISPOSE (typically gfx roms) */
for (region = 0; region < MAX_MEMORY_REGIONS; region++)
{
if (Machine->memory_region_type[region] & REGIONFLAG_DISPOSE)
{
int i;
/* invalidate contents to avoid subtle bugs */
for (i = 0;i < memory_region_length(region);i++)
memory_region(region)[i] = rand();
free(Machine->memory_region[region]);
Machine->memory_region[region] = 0;
}
}
if (settingsloaded == 0)
{
/* if there is no saved config, it must be first time we run this game, */
/* so show the disclaimer. */
//sq if (showcopyright(real_scrbitmap)) goto userquit;
}
//sq if (showgamewarnings(real_scrbitmap) == 0) /* show info about incorrect behaviour (wrong colors etc.) */
{
/* shut down the leds (work around Allegro hanging bug in the DOS port) */
osd_led_w(0,1);
osd_led_w(1,1);
osd_led_w(2,1);
osd_led_w(3,1);
osd_led_w(0,0);
osd_led_w(1,0);
osd_led_w(2,0);
osd_led_w(3,0);
init_user_interface();
/* disable cheat if no roms */
if (!gamedrv->rom) options.cheat = 0;
if (options.cheat) InitCheat();
if (drv->nvram_handler)
{
void *f;
f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_NVRAM,0);
(*drv->nvram_handler)(f,0);
if (f) osd_fclose(f);
}
cpu_run(); /* run the emulation! */
if (drv->nvram_handler)
{
void *f;
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_NVRAM,1)) != 0)
{
(*drv->nvram_handler)(f,1);
osd_fclose(f);
}
}
if (options.cheat) StopCheat();
/* save input ports settings */
save_input_port_settings();
}
userquit:
/* the following MUST be done after hiscore_save() otherwise */
/* some 68000 games will not work */
sound_stop();
if (drv->vh_stop) (*drv->vh_stop)();
overlay_free();
backdrop_free();
res = 0;
}
else if (!bailing)
{
bailing = 1;
printf("Unable to start audio emulation\n");
}
}
else if (!bailing)
{
bailing = 1;
printf("Unable to start video emulation\n");
}
gfxobj_close();
sprite_close();
tilemap_close();
vh_close();
}
else if (!bailing)
{
bailing = 1;
printf("Unable to start video emulation\n");
}
return res;
}
/***************************************************************************
Run the emulation. Start the various subsystems and the CPU emulation.
Returns non zero in case of error.
***************************************************************************/
int run_machine(const char *gamename)
{
int res = 1;
if (vh_open() == 0)
{
if (*drv->vh_start == 0 || (*drv->vh_start)() == 0) /* start the video hardware */
{
if (*drv->sh_start == 0 || (*drv->sh_start)() == 0) /* start the audio hardware */
{
FILE *f;
char name[100];
int i,incount, keycount;
incount = 0;
while (gamedrv->input_ports[incount].default_value != -1) incount++;
/* read dipswitch settings from disk */
sprintf(name,"%s/%s.dsw",gamename,gamename);
if ((f = fopen(name,"rb")) != 0)
{
/* use name as temporary buffer */
if (fread(name,1,incount,f) == incount)
{
for (i = 0;i < incount;i++)
gamedrv->input_ports[i].default_value = ((unsigned char)name[i]);
}
fclose(f);
}
keycount = 0;
while (gamedrv->keysettings[keycount].num != -1) keycount++;
/* read dipswitch settings from disk */
sprintf(name,"%s/%s.key",gamename,gamename);
if ((f = fopen(name,"rb")) != 0)
{
/* use name as temporary buffer */
if (fread(name,1,keycount,f) == keycount)
{
for (i = 0;i < keycount;i++)
gamedrv->input_ports[ gamedrv->keysettings[i].num ].keyboard[ gamedrv->keysettings[i].mask ] = ((unsigned char)name[i]);
}
fclose(f);
}
/* we have to load the hi scores, but this will be done while */
/* the game is running */
hiscoreloaded = 0;
sprintf(hiscorename,"%s/%s.hi",gamename,gamename);
cpu_run(); /* run the emulation! */
if (*drv->sh_stop) (*drv->sh_stop)();
if (*drv->vh_stop) (*drv->vh_stop)();
/* write hi scores to disk */
if (hiscoreloaded != 0 && *gamedrv->hiscore_save)
(*gamedrv->hiscore_save)(hiscorename);
/* write dipswitch settings to disk */
sprintf(name,"%s/%s.dsw",gamename,gamename);
if ((f = fopen(name,"wb")) != 0)
{
/* use name as temporary buffer */
for (i = 0;i < incount;i++)
name[i] = gamedrv->input_ports[i].default_value;
fwrite(name,1,incount,f);
fclose(f);
}
/* write key settings to disk */
sprintf(name,"%s/%s.key",gamename,gamename);
if ((f = fopen(name,"wb")) != 0)
{
/* use name as temporary buffer */
for (i = 0;i < keycount;i++)
name[i] = gamedrv->input_ports[ gamedrv->keysettings[i].num ].keyboard[ gamedrv->keysettings[i].mask ];
fwrite(name,1,keycount,f);
fclose(f);
}
res = 0;
}
else printf("Unable to start audio emulation\n");
}
else printf("Unable to start video emulation\n");
vh_close();
}
else printf("Unable to initialize display\n");
return res;
}
