// license:BSD-3-Clause // copyright-holders:Ryan Holtz, David Haywood #include "emu.h" #include "includes/spg2xx.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "softlist_dev.h" class tvgogo_state : public spg2xx_game_state { public: tvgogo_state(const machine_config &mconfig, device_type type, const char *tag) : spg2xx_game_state(mconfig, type, tag), m_cart(*this, "cartslot"), m_cart_region(nullptr) { } void tvgogo(machine_config &config); private: uint8_t m_i2cunk = 0; virtual void machine_start() override; virtual void machine_reset() override; void tvg_i2c_w(offs_t offset, uint8_t data); uint8_t tvg_i2c_r(offs_t offset); DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load_tvgogo); required_device m_cart; memory_region *m_cart_region; }; static INPUT_PORTS_START( tvgogo ) PORT_START("P1") PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Back") PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Select") PORT_DIPNAME( 0x0004, 0x0004, "P1" ) PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_START("P2") PORT_DIPNAME( 0x0001, 0x0001, "P2" ) PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0002, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_START("P3") PORT_DIPNAME( 0x0001, 0x0001, "P3" ) PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0002, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) INPUT_PORTS_END void tvgogo_state::machine_start() { spg2xx_game_state::machine_start(); // if there's a cart, override the standard banking if (m_cart && m_cart->exists()) { std::string region_tag; m_cart_region = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); m_bank->configure_entries(0, (m_cart_region->bytes() + 0x7fffff) / 0x800000, m_cart_region->base(), 0x800000); m_bank->set_entry(0); } } void tvgogo_state::machine_reset() { spg2xx_game_state::machine_reset(); } DEVICE_IMAGE_LOAD_MEMBER(tvgogo_state::cart_load_tvgogo) { uint32_t size = m_cart->common_get_size("rom"); if (size > 0x800000) { image.seterror(image_error::INVALIDIMAGE, "Unsupported cartridge size"); return image_init_result::FAIL; } m_cart->rom_alloc(0x800000, GENERIC_ROM16_WIDTH, ENDIANNESS_LITTLE); m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); return image_init_result::PASS; } void tvgogo_state::tvg_i2c_w(offs_t offset, uint8_t data) { // unsure what is mapped here (Camera?) but it expects to be able to read back the same byte it writes before it boots. m_i2cunk = data; logerror("%s: tvg_i2c_w %04x %02x\n", machine().describe_context(), offset, data); } uint8_t tvgogo_state::tvg_i2c_r(offs_t offset) { uint8_t ret = m_i2cunk; logerror("%s: tvg_i2c_r %04x %02x\n", machine().describe_context(), offset, ret); return ret; } void tvgogo_state::tvgogo(machine_config &config) { SPG24X(config, m_maincpu, XTAL(27'000'000), m_screen); m_maincpu->set_addrmap(AS_PROGRAM, &tvgogo_state::mem_map_4m); spg2xx_base(config); m_maincpu->porta_in().set_ioport("P1"); m_maincpu->portb_in().set_ioport("P2"); m_maincpu->portc_in().set_ioport("P3"); GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "tvgogo_cart"); m_cart->set_width(GENERIC_ROM16_WIDTH); m_cart->set_device_load(FUNC(tvgogo_state::cart_load_tvgogo)); m_cart->set_must_be_loaded(true); m_maincpu->i2c_w().set(FUNC(tvgogo_state::tvg_i2c_w)); m_maincpu->i2c_r().set(FUNC(tvgogo_state::tvg_i2c_r)); SOFTWARE_LIST(config, "tvgogo_cart").set_original("tvgogo"); } ROM_START( tvgogo ) ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASE00 ) // no internal ROM? (Camera might have an MCU tho) ROM_END // Toyquest games CONS( 2005, tvgogo, 0, 0, tvgogo, tvgogo, tvgogo_state, empty_init, "Toyquest", "GoGo TV Video Vision", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND ) // or TV Go Go - the game addons call it the 'Video Vision console'