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-rw-r--r--src/devices/bus/mpf1/tva.cpp85
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)")