// license:BSD-3-Clause // copyright-holders:Nigel Barnes /*************************************************************************** Multitech TVA-MPF-IP TODO: - no known documentation so emulation not verified. ***************************************************************************/ #include "emu.h" #include "tva.h" #include "screen.h" #include "video/ef9365.h" namespace { //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- ROM_START( mpf_tva ) ROM_REGION(0x1000, "rom", 0) ROM_LOAD("tva.bin", 0x0000, 0x1000, CRC(a9d4f261) SHA1(3a5b0dba5d1e2edda8563b55010c86efd1548d0b)) ROM_END //------------------------------------------------- // mpf_tva_ip_device - constructor //------------------------------------------------- class mpf_tva_ip_device : public device_t, public device_mpf1_exp_interface { public: static constexpr feature_type imperfect_features() { return feature::GRAPHICS; } mpf_tva_ip_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, MPF_TVA_IP, tag, owner, clock) , device_mpf1_exp_interface(mconfig, *this) , m_rom(*this, "rom") , m_gdp(*this, "ef9367") { } protected: virtual void device_add_mconfig(machine_config &config) override { screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_size(512, 312); screen.set_visarea(0, 512 - 1, 0, 256 - 1); screen.set_refresh_hz(50); screen.set_screen_update("ef9367", FUNC(ef9365_device::screen_update)); PALETTE(config, "palette", palette_device::MONOCHROME); EF9365(config, m_gdp, 1750000); // EF9367 m_gdp->set_screen("screen"); m_gdp->set_palette_tag("palette"); m_gdp->set_nb_bitplanes(1); m_gdp->set_display_mode(ef9365_device::DISPLAY_MODE_512x256); m_gdp->irq_handler().set(DEVICE_SELF_OWNER, FUNC(mpf1_exp_device::int_w)); } virtual const tiny_rom_entry *device_rom_region() const override { return ROM_NAME( mpf_tva ); } virtual void device_start() override { } virtual void device_reset() override { program_space().install_rom(0xa000, 0xafff, m_rom->base()); program_space().install_readwrite_handler(0xafe0, 0xafef, emu::rw_delegate(*m_gdp, FUNC(ef9365_device::data_r)), emu::rw_delegate(*m_gdp, FUNC(ef9365_device::data_w))); } private: required_memory_region m_rom; required_device m_gdp; }; } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(MPF_TVA_IP, device_mpf1_exp_interface, mpf_tva_ip_device, "mpf1_tva_ip", "Multitech TVA-MPF-IP (Video Board)")