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Diffstat (limited to 'src/mame/ussr/mk90.cpp')
-rw-r--r-- | src/mame/ussr/mk90.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/mame/ussr/mk90.cpp b/src/mame/ussr/mk90.cpp new file mode 100644 index 00000000000..eaba140e7e3 --- /dev/null +++ b/src/mame/ussr/mk90.cpp @@ -0,0 +1,120 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + +Elektronika MK-90 + +2009-05-12 Skeleton driver. + + + http://www.pisi.com.pl/piotr433/index.htm#mk90 + http://www.taswegian.com/MOSCOW/mk-90.html + +This is a Soviet computer-calculator, very similar in looks to the Sharp. +It has a LCD display. It cost about 1500 roubles, which is the wages for 6 +months for an average citizen. + +Status: Starts in the weeds. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/t11/t11.h" +#include "emupal.h" +#include "screen.h" + + +namespace { + +class mk90_state : public driver_device +{ +public: + mk90_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + { } + + void mk90(machine_config &config); + +private: + virtual void machine_reset() override ATTR_COLD; + virtual void machine_start() override ATTR_COLD; + + void mem_map(address_map &map) ATTR_COLD; + + uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + + required_device<k1801vm2_device> m_maincpu; +}; + + +void mk90_state::mem_map(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x3fff).ram(); // RAM + map(0x4000, 0x7fff).rom(); // Extension ROM + map(0x8000, 0xffff).rom(); // Main ROM +// map(0xe800, 0xe801) LCD address +// map(0xe802, 0xe803) LCD data +// map(0xe810, 0xe810) serial bus controller data +// map(0xe812, 0xe813) serial bus controller transfer rate +// map(0xe814, 0xe814) serial bus controller control/status +// map(0xe816, 0xe816) serial bus controller command +// map(0xea00, 0xea7e) RTC +} + +/* Input ports */ +static INPUT_PORTS_START( mk90 ) +INPUT_PORTS_END + + +void mk90_state::machine_reset() +{ +} + +void mk90_state::machine_start() +{ +} + +uint32_t mk90_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + return 0; +} + +void mk90_state::mk90(machine_config &config) +{ + /* basic machine hardware */ + K1801VM2(config, m_maincpu, XTAL(4'000'000)); + m_maincpu->set_initial_mode(0x8000); + m_maincpu->set_addrmap(AS_PROGRAM, &mk90_state::mem_map); + + /* video hardware */ + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_refresh_hz(50); + screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ + screen.set_size(640, 480); + screen.set_visarea(0, 640-1, 0, 480-1); + screen.set_screen_update(FUNC(mk90_state::screen_update)); + screen.set_palette("palette"); + + PALETTE(config, "palette", palette_device::MONOCHROME); +} + +/* ROM definition */ +ROM_START( mk90 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_SYSTEM_BIOS(0, "bas1", "Basic 1") + ROMX_LOAD( "mk90ro10.bin", 0x8000, 0x8000, CRC(fac18038) SHA1(639f09a1be5f781f897603d0f799f7c6efd1b67f), ROM_BIOS(0)) + + ROM_SYSTEM_BIOS(1, "bas2", "Basic 2") + ROMX_LOAD( "mk90ro20.bin", 0x8000, 0x8000, CRC(d8b3a5f5) SHA1(8f7ab2d97c7466392b6354c0ea7017531c2133ae), ROM_BIOS(1)) + ROMX_LOAD( "mk90ro20t.bin", 0x4000, 0x4000, CRC(0f4b9434) SHA1(c74bbde6d201913c9e67ef8e2abe14b784187f8d), ROM_BIOS(1)) // Expansion ROM +ROM_END + +} // anonymous namespace + + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 1988, mk90, 0, 0, mk90, mk90, mk90_state, empty_init, "Elektronika", "MK-90", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) |