static void display_loading_rom_message(const char *name, rom_load_data *romdata)
{
char buffer[200];
if (name != NULL)
sprintf(buffer, "Loading (%d%%)", 100 * romdata->romsloaded / romdata->romstotal);
else
sprintf(buffer, "Loading Complete");
ui_set_startup_text(buffer, FALSE);
}
static void display_loading_rom_message(rom_load_data *romdata, const char *name)
{
char buffer[200];
// 2010-04, FP - FIXME: in MESS, load_software_part_region sometimes calls this with romstotalsize = 0!
// as a temp workaround, I added a check for romstotalsize !=0.
if (name != NULL && romdata->romstotalsize)
sprintf(buffer, "Loading (%d%%)", (UINT32)(100 * (UINT64)romdata->romsloadedsize / (UINT64)romdata->romstotalsize));
else
sprintf(buffer, "Loading Complete");
if (!ui_is_menu_active()) ui_set_startup_text(romdata->machine(), buffer, FALSE);
}
static void decode_graphics(const gfx_decode *gfxdecodeinfo)
{
int totalgfx = 0, curgfx = 0;
char buffer[200];
int i;
/* count total graphics elements */
for (i = 0; i < MAX_GFX_ELEMENTS; i++)
if (Machine->gfx[i])
totalgfx += Machine->gfx[i]->total_elements;
/* loop over all elements */
for (i = 0; i < MAX_GFX_ELEMENTS; i++)
if (Machine->gfx[i])
{
/* if we have a valid region, decode it now */
if (gfxdecodeinfo[i].memory_region > REGION_INVALID)
{
UINT8 *region_base = memory_region(gfxdecodeinfo[i].memory_region);
gfx_element *gfx = Machine->gfx[i];
int j;
/* now decode the actual graphics */
for (j = 0; j < gfx->total_elements; j += 1024)
{
int num_to_decode = (j + 1024 < gfx->total_elements) ? 1024 : (gfx->total_elements - j);
decodegfx(gfx, region_base + gfxdecodeinfo[i].start, j, num_to_decode);
curgfx += num_to_decode;
/* display some startup text */
sprintf(buffer, "Decoding (%d%%)", curgfx * 100 / totalgfx);
ui_set_startup_text(buffer, FALSE);
}
}
/* otherwise, clear the target region */
else
memset(Machine->gfx[i]->gfxdata, 0, Machine->gfx[i]->char_modulo * Machine->gfx[i]->total_elements);
}
}
void running_machine::start()
{
// initialize basic can't-fail systems here
config_init(*this);
m_input = auto_alloc(*this, input_manager(*this));
output_init(*this);
palette_init(*this);
m_render = auto_alloc(*this, render_manager(*this));
generic_machine_init(*this);
generic_sound_init(*this);
// allocate a soft_reset timer
m_soft_reset_timer = m_scheduler.timer_alloc(timer_expired_delegate(FUNC(running_machine::soft_reset), this));
// init the osd layer
m_osd.init(*this);
// create the video manager
m_video = auto_alloc(*this, video_manager(*this));
ui_init(*this);
// initialize the base time (needed for doing record/playback)
::time(&m_base_time);
// initialize the input system and input ports for the game
// this must be done before memory_init in order to allow specifying
// callbacks based on input port tags
time_t newbase = input_port_init(*this);
if (newbase != 0)
m_base_time = newbase;
// intialize UI input
ui_input_init(*this);
// initialize the streams engine before the sound devices start
m_sound = auto_alloc(*this, sound_manager(*this));
// first load ROMs, then populate memory, and finally initialize CPUs
// these operations must proceed in this order
rom_init(*this);
memory_init(*this);
watchdog_init(*this);
// must happen after memory_init because this relies on generic.spriteram
generic_video_init(*this);
// allocate the gfx elements prior to device initialization
gfx_init(*this);
// initialize natural keyboard support
inputx_init(*this);
// initialize image devices
image_init(*this);
tilemap_init(*this);
crosshair_init(*this);
// initialize the debugger
if ((debug_flags & DEBUG_FLAG_ENABLED) != 0)
debugger_init(*this);
// call the game driver's init function
// this is where decryption is done and memory maps are altered
// so this location in the init order is important
ui_set_startup_text(*this, "Initializing...", true);
// start up the devices
const_cast<device_list &>(devicelist()).start_all();
// if we're coming in with a savegame request, process it now
const char *savegame = options().state();
if (savegame[0] != 0)
schedule_load(savegame);
// if we're in autosave mode, schedule a load
else if (options().autosave() && (m_system.flags & GAME_SUPPORTS_SAVE) != 0)
schedule_load("auto");
// set up the cheat engine
m_cheat = auto_alloc(*this, cheat_manager(*this));
// disallow save state registrations starting here
m_save.allow_registration(false);
}
void running_machine::start()
{
/* initialize basic can't-fail systems here */
fileio_init(this);
config_init(this);
input_init(this);
output_init(this);
state_init(this);
state_save_allow_registration(this, true);
palette_init(this);
render_init(this);
ui_init(this);
generic_machine_init(this);
generic_video_init(this);
generic_sound_init(this);
/* initialize the timers and allocate a soft_reset timer
this must be done before cpu_init so that CPU's can allocate timers */
timer_init(this);
m_soft_reset_timer = timer_alloc(this, static_soft_reset, NULL);
/* init the osd layer */
osd_init(this);
/* initialize the base time (needed for doing record/playback) */
time(&m_base_time);
/* initialize the input system and input ports for the game
this must be done before memory_init in order to allow specifying
callbacks based on input port tags */
time_t newbase = input_port_init(this, m_game.ipt);
if (newbase != 0)
m_base_time = newbase;
/* intialize UI input */
ui_input_init(this);
/* initialize the streams engine before the sound devices start */
streams_init(this);
/* first load ROMs, then populate memory, and finally initialize CPUs
these operations must proceed in this order */
rom_init(this);
memory_init(this);
watchdog_init(this);
/* allocate the gfx elements prior to device initialization */
gfx_init(this);
/* initialize natural keyboard support */
inputx_init(this);
/* initialize image devices */
image_init(this);
/* start up the devices */
m_devicelist.start_all();
/* call the game driver's init function
this is where decryption is done and memory maps are altered
so this location in the init order is important */
ui_set_startup_text(this, "Initializing...", true);
if (m_game.driver_init != NULL)
(*m_game.driver_init)(this);
/* finish image devices init process */
image_postdevice_init(this);
/* start the video and audio hardware */
video_init(this);
tilemap_init(this);
crosshair_init(this);
sound_init(this);
/* initialize the debugger */
if ((debug_flags & DEBUG_FLAG_ENABLED) != 0)
debugger_init(this);
/* call the driver's _START callbacks */
if (m_config.m_machine_start != NULL)
(*m_config.m_machine_start)(this);
if (m_config.m_sound_start != NULL)
(*m_config.m_sound_start)(this);
if (m_config.m_video_start != NULL)
(*m_config.m_video_start)(this);
/* set up the cheat engine */
cheat_init(this);
/* set up the hiscore engine */
hiscore_init(this);
/* disallow save state registrations starting here */
state_save_allow_registration(this, false);
}
void running_machine::start()
{
// initialize basic can't-fail systems here
fileio_init(this);
config_init(this);
input_init(this);
output_init(this);
state_init(this);
state_save_allow_registration(this, true);
palette_init(this);
render_init(this);
ui_init(this);
generic_machine_init(this);
generic_video_init(this);
generic_sound_init(this);
// initialize the timers and allocate a soft_reset timer
// this must be done before cpu_init so that CPU's can allocate timers
timer_init(this);
m_soft_reset_timer = timer_alloc(this, static_soft_reset, NULL);
// init the osd layer
osd_init(this);
// initialize the base time (needed for doing record/playback)
time(&m_base_time);
// initialize the input system and input ports for the game
// this must be done before memory_init in order to allow specifying
// callbacks based on input port tags
time_t newbase = input_port_init(this, m_game.ipt);
if (newbase != 0)
m_base_time = newbase;
// intialize UI input
ui_input_init(this);
// initialize the streams engine before the sound devices start
streams_init(this);
// first load ROMs, then populate memory, and finally initialize CPUs
// these operations must proceed in this order
rom_init(this);
memory_init(this);
watchdog_init(this);
// allocate the gfx elements prior to device initialization
gfx_init(this);
// initialize natural keyboard support
inputx_init(this);
// initialize image devices
image_init(this);
// start up the devices
m_devicelist.start_all();
// call the game driver's init function
// this is where decryption is done and memory maps are altered
// so this location in the init order is important
ui_set_startup_text(this, "Initializing...", true);
if (m_game.driver_init != NULL)
(*m_game.driver_init)(this);
// finish image devices init process
image_postdevice_init(this);
// start the video and audio hardware
video_init(this);
tilemap_init(this);
crosshair_init(this);
sound_init(this);
// initialize the debugger
if ((debug_flags & DEBUG_FLAG_ENABLED) != 0)
debugger_init(this);
// call the driver's _START callbacks
if (m_config.m_machine_start != NULL)
(*m_config.m_machine_start)(this);
if (m_config.m_sound_start != NULL)
(*m_config.m_sound_start)(this);
if (m_config.m_video_start != NULL)
(*m_config.m_video_start)(this);
// if we're coming in with a savegame request, process it now
const char *savegame = options_get_string(&m_options, OPTION_STATE);
if (savegame[0] != 0)
schedule_load(savegame);
// if we're in autosave mode, schedule a load
else if (options_get_bool(&m_options, OPTION_AUTOSAVE) && (m_game.flags & GAME_SUPPORTS_SAVE) != 0)
schedule_load("auto");
// set up the cheat engine
if (options_get_bool(&m_options, OPTION_CHEAT))
cheat_init(this);
// disallow save state registrations starting here
state_save_allow_registration(this, false);
}
static void init_machine(running_machine *machine)
{
mame_private *mame = machine->mame_data;
int num;
/* initialize basic can't-fail systems here */
cpuintrf_init(machine);
sndintrf_init(machine);
fileio_init(machine);
config_init(machine);
output_init(machine);
state_init(machine);
state_save_allow_registration(TRUE);
drawgfx_init(machine);
palette_init(machine);
render_init(machine);
ui_init(machine);
generic_machine_init(machine);
generic_video_init(machine);
mame->rand_seed = 0x9d14abd7;
/* initialize the base time (if not doing record/playback) */
if (!Machine->record_file && !Machine->playback_file)
time(&mame->base_time);
else
mame->base_time = 0;
/* init the osd layer */
if (osd_init(machine) != 0)
fatalerror("osd_init failed");
/* initialize the input system */
/* this must be done before the input ports are initialized */
if (code_init(machine) != 0)
fatalerror("code_init failed");
/* initialize the input ports for the game */
/* this must be done before memory_init in order to allow specifying */
/* callbacks based on input port tags */
if (input_port_init(machine, machine->gamedrv->ipt) != 0)
fatalerror("input_port_init failed");
/* load the ROMs if we have some */
/* this must be done before memory_init in order to allocate memory regions */
rom_init(machine, machine->gamedrv->rom);
/* initialize the timers and allocate a soft_reset timer */
/* this must be done before cpu_init so that CPU's can allocate timers */
timer_init(machine);
mame->soft_reset_timer = timer_alloc(soft_reset);
/* initialize the memory system for this game */
/* this must be done before cpu_init so that set_context can look up the opcode base */
if (memory_init(machine) != 0)
fatalerror("memory_init failed");
/* now set up all the CPUs */
if (cpuexec_init(machine) != 0)
fatalerror("cpuexec_init failed");
if (cpuint_init(machine) != 0)
fatalerror("cpuint_init failed");
#ifdef MESS
/* initialize the devices */
devices_init(machine);
#endif
/* start the save/load system */
saveload_init(machine);
/* call the game driver's init function */
/* this is where decryption is done and memory maps are altered */
/* so this location in the init order is important */
ui_set_startup_text("Initializing...", TRUE);
if (machine->gamedrv->driver_init != NULL)
(*machine->gamedrv->driver_init)(machine);
/* start the audio system */
if (sound_init(machine) != 0)
fatalerror("sound_init failed");
/* start the video hardware */
if (video_init(machine) != 0)
fatalerror("video_init failed");
/* start the cheat engine */
if (options.cheat)
cheat_init(machine);
/* call the driver's _START callbacks */
if (machine->drv->machine_start != NULL && (*machine->drv->machine_start)(machine) != 0)
fatalerror("Unable to start machine emulation");
if (machine->drv->sound_start != NULL && (*machine->drv->sound_start)(machine) != 0)
fatalerror("Unable to start sound emulation");
if (machine->drv->video_start != NULL && (*machine->drv->video_start)(machine) != 0)
fatalerror("Unable to start video emulation");
/* free memory regions allocated with REGIONFLAG_DISPOSE (typically gfx roms) */
for (num = 0; num < MAX_MEMORY_REGIONS; num++)
if (mame->mem_region[num].flags & ROMREGION_DISPOSE)
free_memory_region(machine, num);
#ifdef MAME_DEBUG
/* initialize the debugger */
if (machine->debug_mode)
mame_debug_init(machine);
#endif
}
void running_machine::start()
{
// initialize basic can't-fail systems here
config_init(*this);
m_input = auto_alloc(*this, input_manager(*this));
output_init(*this);
palette_init(*this);
m_render = auto_alloc(*this, render_manager(*this));
generic_machine_init(*this);
// allocate a soft_reset timer
m_soft_reset_timer = m_scheduler.timer_alloc(timer_expired_delegate(FUNC(running_machine::soft_reset), this));
// init the osd layer
m_osd.init(*this);
// create the video manager
m_video = auto_alloc(*this, video_manager(*this));
ui_init(*this);
// initialize the base time (needed for doing record/playback)
::time(&m_base_time);
// initialize the input system and input ports for the game
// this must be done before memory_init in order to allow specifying
// callbacks based on input port tags
time_t newbase = m_ioport.initialize();
if (newbase != 0)
m_base_time = newbase;
// intialize UI input
ui_input_init(*this);
// initialize the streams engine before the sound devices start
m_sound = auto_alloc(*this, sound_manager(*this));
// first load ROMs, then populate memory, and finally initialize CPUs
// these operations must proceed in this order
rom_init(*this);
m_memory.initialize();
// initialize the watchdog
m_watchdog_timer = m_scheduler.timer_alloc(timer_expired_delegate(FUNC(running_machine::watchdog_fired), this));
if (config().m_watchdog_vblank_count != 0 && primary_screen != NULL)
primary_screen->register_vblank_callback(vblank_state_delegate(FUNC(running_machine::watchdog_vblank), this));
save().save_item(NAME(m_watchdog_enabled));
save().save_item(NAME(m_watchdog_counter));
// allocate the gfx elements prior to device initialization
gfx_init(*this);
// initialize image devices
image_init(*this);
m_tilemap = auto_alloc(*this, tilemap_manager(*this));
crosshair_init(*this);
network_init(*this);
// initialize the debugger
if ((debug_flags & DEBUG_FLAG_ENABLED) != 0)
debugger_init(*this);
// call the game driver's init function
// this is where decryption is done and memory maps are altered
// so this location in the init order is important
ui_set_startup_text(*this, "Initializing...", true);
// register callbacks for the devices, then start them
add_notifier(MACHINE_NOTIFY_RESET, machine_notify_delegate(FUNC(running_machine::reset_all_devices), this));
add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(running_machine::stop_all_devices), this));
save().register_presave(save_prepost_delegate(FUNC(running_machine::presave_all_devices), this));
start_all_devices();
save().register_postload(save_prepost_delegate(FUNC(running_machine::postload_all_devices), this));
// if we're coming in with a savegame request, process it now
const char *savegame = options().state();
if (savegame[0] != 0)
schedule_load(savegame);
// if we're in autosave mode, schedule a load
else if (options().autosave() && (m_system.flags & GAME_SUPPORTS_SAVE) != 0)
schedule_load("auto");
// set up the cheat engine
m_cheat = auto_alloc(*this, cheat_manager(*this));
// allocate autoboot timer
m_autoboot_timer = scheduler().timer_alloc(timer_expired_delegate(FUNC(running_machine::autoboot_callback), this));
// initialize lua
m_lua_engine.initialize();
// disallow save state registrations starting here
m_save.allow_registration(false);
}
static void cps2_decrypt(const UINT32 *master_key, unsigned int upper_limit)
{
UINT16 *rom = (UINT16 *)memory_region(REGION_CPU1);
int length = memory_region_length(REGION_CPU1);
UINT16 *dec = auto_malloc(length);
int i;
UINT32 key1[4];
// expand master key to 1st FN 96-bit key
expand_1st_key(key1, master_key);
// add extra bits for s-boxes with less than 6 inputs
key1[0] ^= BIT(key1[0], 1) << 4;
key1[0] ^= BIT(key1[0], 2) << 5;
key1[0] ^= BIT(key1[0], 8) << 11;
key1[1] ^= BIT(key1[1], 0) << 5;
key1[1] ^= BIT(key1[1], 8) << 11;
key1[2] ^= BIT(key1[2], 1) << 5;
key1[2] ^= BIT(key1[2], 8) << 11;
for (i = 0; i < 0x10000; ++i)
{
int a;
UINT16 seed;
UINT32 subkey[2];
UINT32 key2[4];
if ((i & 0xff) == 0)
{
char loadingMessage[256]; // for displaying with UI
sprintf(loadingMessage, "Decrypting %d%%", i*100/0x10000);
ui_set_startup_text(loadingMessage,FALSE);
}
// pass the address through FN1
seed = feistel(i, fn1_groupA, fn1_groupB,
fn1_r1_boxes, fn1_r2_boxes, fn1_r3_boxes, fn1_r4_boxes,
key1[0], key1[1], key1[2], key1[3]);
// expand the result to 64-bit
expand_subkey(subkey, seed);
// XOR with the master key
subkey[0] ^= master_key[0];
subkey[1] ^= master_key[1];
// expand key to 2nd FN 96-bit key
expand_2nd_key(key2, subkey);
// add extra bits for s-boxes with less than 6 inputs
key2[0] ^= BIT(key2[0], 0) << 5;
key2[0] ^= BIT(key2[0], 6) << 11;
key2[1] ^= BIT(key2[1], 0) << 5;
key2[1] ^= BIT(key2[1], 1) << 4;
key2[2] ^= BIT(key2[2], 2) << 5;
key2[2] ^= BIT(key2[2], 3) << 4;
key2[2] ^= BIT(key2[2], 7) << 11;
key2[3] ^= BIT(key2[3], 1) << 5;
// decrypt the opcodes
for (a = i; a < length/2 && a < upper_limit/2; a += 0x10000)
{
dec[a] = feistel(rom[a], fn2_groupA, fn2_groupB,
fn2_r1_boxes, fn2_r2_boxes, fn2_r3_boxes, fn2_r4_boxes,
key2[0], key2[1], key2[2], key2[3]);
}
// copy the unencrypted part (not really needed)
while (a < length/2)
{
dec[a] = rom[a];
a += 0x10000;
}
}
memory_set_decrypted_region(0, 0x000000, length - 1, dec);
m68k_set_encrypted_opcode_range(0,0,length);
#if 0
{
FILE *f;
f = fopen("d:/s.rom","wb");
fwrite(rom,1,0x100000,f);
fclose(f);
f = fopen("d:/s.dec","wb");
fwrite(dec,1,0x100000,f);
fclose(f);
}
#endif
}
