int pegasus_state::load_cart(device_image_interface &image, generic_slot_device *slot, const char *reg_tag)
{
UINT32 size = slot->common_get_size(reg_tag);
bool any_socket = false;
if (size > 0x1000)
{
image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
return IMAGE_INIT_FAIL;
}
if (image.software_entry() != NULL && size == 0)
{
// we might be loading a cart compatible with all sockets!
// so try to get region "rom"
size = slot->common_get_size("rom");
any_socket = true;
if (size == 0)
{
astring errmsg;
errmsg.printf("Attempted to load a file that does not work in this socket.\nPlease check \"Usage\" field in the software list for the correct socket(s) to use.");
image.seterror(IMAGE_ERROR_UNSPECIFIED, errmsg.cstr());
return IMAGE_INIT_FAIL;
}
}
slot->rom_alloc(0x1000, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); // we alloc 0x1000 also for smaller roms!
slot->common_load_rom(slot->get_rom_base(), size, any_socket ? "rom" : reg_tag);
// raw images have to be decrypted (in particular the ones from softlist)
pegasus_decrypt_rom(slot->get_rom_base(), image.software_entry() != NULL);
return IMAGE_INIT_PASS;
}
DEVICE_IMAGE_LOAD_MEMBER( pegasus_state, pegasus_cart_5 )
{
image.fread(memregion("maincpu")->base() + 0xd000, 0x1000);
pegasus_decrypt_rom( 0xd000 );
return IMAGE_INIT_PASS;
}
static DEVICE_IMAGE_LOAD( pegasus_cart_5 )
{
image.fread( image.device().machine().root_device().memregion("maincpu")->base() + 0xd000, 0x1000);
pegasus_decrypt_rom( image.device().machine(), 0xd000 );
return IMAGE_INIT_PASS;
}
DRIVER_INIT_MEMBER(pegasus_state, pegasus)
{
// decrypt monitor
UINT8 *base = memregion("maincpu")->base() + 0xf000;
pegasus_decrypt_rom(base, FALSE);
}
DRIVER_INIT_MEMBER(pegasus_state,pegasus)
{
pegasus_decrypt_rom( 0xf000 );
}
static DRIVER_INIT( pegasus )
{
pegasus_decrypt_rom( machine, 0xf000 );
}