Esempio n. 1
0
void tutor_state::machine_start()
{
	std::string region_tag;
	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	m_tape_interrupt_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(tutor_state::tape_interrupt_handler),this));

	m_bank1->configure_entry(0, memregion("maincpu")->base() + 0x4000);
	m_bank1->set_entry(0);
	m_bank2->configure_entry(0, memregion("maincpu")->base() + 0x8000);
	m_bank2->set_entry(0);

	if (m_cart_rom)
	{
		if (m_cart_rom->bytes() > 0x4000)
		{
			m_bank1_switching = 1;
			m_bank1->configure_entry(1, m_cart_rom->base());
			m_bank1->set_entry(1);
			m_bank2->configure_entry(1, m_cart_rom->base() + 0x4000);
			m_bank2->set_entry(1);
		}
		else
		{
			m_bank2->configure_entry(1, m_cart_rom->base());
			m_bank2->set_entry(1);
		}
	}
}
Esempio n. 2
0
void gameking_state::machine_start()
{
	std::string region_tag;
	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	if (!m_cart_rom)
	{
		printf("No Rom\n");
		return;
	}

	m_bank4000 = membank("bank4000");
	m_bank8000 = membank("bank8000");
	m_bankc000 = membank("bankc000");

	// Minor hacking to get things going (should be removed when we have bios dump)
	m_cart_rom->base()[0x3ffc] = 0x00;
	m_cart_rom->base()[0x3ffd] = 0x40;

	// Some fake code to get bios function calls logged
	memory_region *maincpu_rom = memregion("maincpu");
	maincpu_rom->base()[0x0f80] = 0x9d; // STA $0e00,X
	maincpu_rom->base()[0x0f81] = 0x00;
	maincpu_rom->base()[0x0f82] = 0x0e;
	maincpu_rom->base()[0x0f83] = 0x60; // RTS

	m_bank8000->set_base(m_cart_rom->base());
	m_bankc000->set_base(m_cart_rom->base());
	m_bank4000->set_base(m_cart_rom->base() + 0x4000);
}
Esempio n. 3
0
void prestige_state::machine_start()
{
	std::string region_tag;
	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	UINT8 *rom = memregion("maincpu")->base();
	UINT8 *cart = m_cart_rom->base();
	UINT8 *ram = m_ram->pointer();
	memset(ram, 0x00, m_ram->size());

	m_bank1->configure_entries(0, 64, rom,  0x4000);
	m_bank1->configure_entries(64,32, cart, 0x4000);
	m_bank2->configure_entries(0, 64, rom,  0x4000);
	m_bank2->configure_entries(64,32, cart, 0x4000);
	m_bank3->configure_entries(0, 64, rom,  0x4000);
	m_bank3->configure_entries(64,32, cart, 0x4000);
	m_bank4->configure_entries(0, 4,  ram,  0x2000);
	m_bank5->configure_entries(0, 4,  ram,  0x2000);

	m_bank1->set_entry(0);
	m_bank2->set_entry(0);
	m_bank3->set_entry(0);
	m_bank4->set_entry(0);
	m_bank5->set_entry(0);

	//pointer to the videoram
	m_vram = ram;
}
Esempio n. 4
0
	void set_banks()
	{
		UINT8 *ram_ptr = m_messram->pointer();

		m_ram_0000 = ram_ptr;

		if ( m_pia0_porta & 0x01 )
			m_ram_0000 += 0x10000;

		membank( "0000" )->set_base( m_ram_0000 + 0x0000 );
		membank( "2000" )->set_base( m_ram_0000 + 0x2000 );
		membank( "4000" )->set_base( m_ram_0000 + 0x4000 );
		m_ram_c000 = m_ram_0000 + 0xc000;
		membank( "e000" )->set_base( m_ram_0000 + 0xe000 );

		if ( m_pia0_porta & 0x80 )
		{
			membank( "0000" )->set_base( memregion("maincpu")->base());
			/* When BIOS is enabled 2000-3FFF is set to the "ROM RAM" */
			membank( "2000" )->set_base( ram_ptr + 0x20000 );
		}

		if ( m_pia0_porta & 0x40 )
			m_ram_c000 = m_vram_region->base();
	}
Esempio n. 5
0
debug_view_memory_source::debug_view_memory_source(const char *name, memory_region &region)
	: debug_view_source(name),
		m_space(nullptr),
		m_memintf(nullptr),
		m_base(region.base()),
		m_length(region.bytes()),
		m_offsetxor(ENDIAN_VALUE_NE_NNE(region.endianness(), 0, region.bytewidth() - 1)),
		m_endianness(region.endianness()),
		m_prefsize(std::min<u8>(region.bytewidth(), 8))
{
}
Esempio n. 6
0
void leapster_state::machine_start()
{
	astring region_tag;
	m_cart_rom = memregion(region_tag.cpy(m_cart->tag()).cat(GENERIC_ROM_REGION_TAG));

	if (m_cart_rom)
	{
		address_space &space = m_maincpu->space(AS_PROGRAM);

		space.install_readwrite_bank(0x80000000, 0x807fffff, "cartrom");
		membank("cartrom")->set_base(m_cart_rom->base());
	}
}
Esempio n. 7
0
void pb1000_state::machine_start()
{
	std::string region_tag;
	m_rom_reg = memregion("rom");
	if (m_card1)
		m_card1_reg = memregion(region_tag.assign(m_card1->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
	if (m_card2)
		m_card2_reg = memregion(region_tag.assign(m_card2->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	membank("bank1")->set_base(m_rom_reg->base());

	m_kb_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pb1000_state::keyboard_timer),this));
	m_kb_timer->adjust(attotime::from_hz(192), 0, attotime::from_hz(192));
}
Esempio n. 8
0
void prestige_state::machine_start()
{
	std::string region_tag;
	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	uint8_t *rom = memregion("maincpu")->base();
	uint8_t *cart = nullptr;
	if (m_cart_rom != nullptr)
	{
		cart = m_cart_rom->base();
	}
	else
	{
		cart = rom + 0x40000;   // internal ROM also includes extra contents that are activated by a cartridge that works as a jumper
	}
	uint8_t *ram = m_ram->pointer();
	memset(ram, 0x00, m_ram->size());

	m_bank1->configure_entries(0, 64, rom,  0x4000);
	m_bank1->configure_entries(64,32, cart, 0x4000);
	m_bank2->configure_entries(0, 64, rom,  0x4000);
	m_bank2->configure_entries(64,32, cart, 0x4000);
	m_bank3->configure_entries(0, 64, rom,  0x4000);
	m_bank3->configure_entries(64,32, cart, 0x4000);
	m_bank4->configure_entries(0, 4,  ram,  0x2000);
	m_bank5->configure_entries(0, 4,  ram,  0x2000);

	m_bank1->set_entry(0);
	m_bank2->set_entry(0);
	m_bank3->set_entry(0);
	m_bank4->set_entry(0);
	m_bank5->set_entry(0);

	//pointer to the videoram
	m_vram = ram;
}
Esempio n. 9
0
void cc40_state::machine_start()
{
	// init
	std::string region_tag;
	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());

	membank("sysbank")->configure_entries(0, 4, memregion("system")->base(), 0x2000);
	if (m_cart_rom)
		membank("cartbank")->configure_entries(0, 4, m_cart_rom->base(), 0x8000);
	else
		membank("cartbank")->set_base(memregion("maincpu")->base() + 0x5000);

	m_nvram[0] = machine().device<nvram_device>("sysram.1");
	m_nvram[1] = machine().device<nvram_device>("sysram.2");
	init_sysram(0, 0x800); // default to 6KB
	init_sysram(1, 0x800); // "

	address_space &space = m_maincpu->space(AS_PROGRAM);
	bus_control_w(space, 0, 0);
	bankswitch_w(space, 0, 0);

	// zerofill other
	m_power = 0;
	m_clock_control = 0;
	m_key_select = 0;

	// register for savestates
	save_item(NAME(m_bus_control));
	save_item(NAME(m_power));
	save_item(NAME(m_banks));
	save_item(NAME(m_clock_control));
	save_item(NAME(m_clock_divider));
	save_item(NAME(m_key_select));

	machine().save().register_postload(save_prepost_delegate(FUNC(cc40_state::postload), this));
}
Esempio n. 10
0
File: tvc.c Progetto: mock--/mame
void tvc_state::set_mem_page(UINT8 data)
{
	address_space &space = m_maincpu->space(AS_PROGRAM);
	switch (data & 0x18)
	{
		case 0x00 : // system ROM selected
			TVC_INSTALL_ROM_BANK(0, "bank1", 0x0000, 0x3fff);
			membank("bank1")->set_base(m_bios_rom->base());
			break;
		case 0x08 : // Cart ROM selected
			if (m_cart_rom)
			{
				TVC_INSTALL_ROM_BANK(0, "bank1", 0x0000, 0x3fff);
				membank("bank1")->set_base(m_cart_rom->base());
			}
			break;
		case 0x10 : // RAM selected
			TVC_INSTALL_RAM_BANK(0, "bank1", 0x0000, 0x3fff);
			membank("bank1")->set_base(m_ram->pointer());
			break;
		case 0x18 : // Video RAM
			if (m_vram->bytes() > 0x4000)
			{
				// TVC 64+ only
				TVC_INSTALL_RAM_BANK(0, "bank1", 0x0000, 0x3fff);
				membank("bank1")->set_base(m_vram->base() + ((m_vram_bank & 0x03)<<14));
			}
			else
			{
				space.unmap_readwrite(0x0000, 0x3fff);
				m_bank_type[0] = -1;
			}
			break;
	}

	if ((data & 0x20)==0)       // Video RAM
	{
		TVC_INSTALL_RAM_BANK(2, "bank3", 0x8000, 0xbfff);
		membank("bank3")->set_base(m_vram->base() + ((m_vram_bank & 0x0c)<<12));
	}
	else                        // System RAM page 3
	{
		if (m_ram->size() > 0x8000)
		{
			TVC_INSTALL_RAM_BANK(2, "bank3", 0x8000, 0xbfff);
			membank("bank3")->set_base(m_ram->pointer() + 0x8000);
		}
		else
		{
			space.unmap_readwrite(0x8000, 0xbfff);
			m_bank_type[2] = -1;
		}
	}

	switch(data & 0xc0)
	{
		case 0x00 : // Cart ROM selected
			if (m_cart_rom)
			{
				TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff);
				membank("bank4")->set_base(m_cart_rom->base());
			}
			break;
		case 0x40 : // System ROM selected
			TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff);
			membank("bank4")->set_base(m_bios_rom->base());
			break;
		case 0x80 : // RAM selected
			if (m_ram->size() > 0x8000)
			{
				TVC_INSTALL_RAM_BANK(3, "bank4", 0xc000, 0xffff);
				membank("bank4")->set_base(m_ram->pointer() + 0xc000);
			}
			else
			{
				space.unmap_readwrite(0xc000, 0xffff);
				m_bank_type[3] = -1;
			}
			break;
		case 0xc0 : // External ROM selected
			TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff);
			membank("bank4")->set_base(m_ext->base());
			space.install_readwrite_handler (0xc000, 0xdfff, 0, 0, read8_delegate(FUNC(tvc_state::expansion_r), this), write8_delegate(FUNC(tvc_state::expansion_w), this), 0);
			m_bank_type[3] = -1;
			break;
	}
}