diff options
Diffstat (limited to 'src/devices/bus/mpf1/tva.cpp')
-rw-r--r-- | src/devices/bus/mpf1/tva.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/devices/bus/mpf1/tva.cpp b/src/devices/bus/mpf1/tva.cpp new file mode 100644 index 00000000000..206ff6cea6f --- /dev/null +++ b/src/devices/bus/mpf1/tva.cpp @@ -0,0 +1,85 @@ +// 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<ef9365_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)") |