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Diffstat (limited to 'src/mame/drivers/mk85.c')
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diff --git a/src/mame/drivers/mk85.c b/src/mame/drivers/mk85.c
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+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic
+/***************************************************************************
+
+ Elektronika MK-85
+
+ 12/05/2009 Skeleton driver.
+
+ http://www.taswegian.com/MOSCOW/mk-85.html
+
+This is a Soviet computer-calculator, very similar in looks to the Sharp.
+It has a LCD display.
+
+Models:
+ MK-85: 2K of RAM
+ MK-85M: 6K of RAM
+ MK-85C: Military cryptographic device. Typing text into it produces
+ a string of numbers.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/t11/t11.h"
+
+
+class mk85_state : public driver_device
+{
+public:
+ mk85_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) ,
+ m_maincpu(*this, "maincpu") { }
+
+ virtual void machine_reset();
+ virtual void video_start();
+ UINT32 screen_update_mk85(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ required_device<cpu_device> m_maincpu;
+};
+
+
+static ADDRESS_MAP_START(mk85_mem, AS_PROGRAM, 16, mk85_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x0000, 0x3fff ) AM_ROM AM_MIRROR(0x4000)
+ AM_RANGE( 0x8000, 0xffff ) AM_RAM
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( mk85 )
+INPUT_PORTS_END
+
+
+void mk85_state::machine_reset()
+{
+}
+
+void mk85_state::video_start()
+{
+}
+
+UINT32 mk85_state::screen_update_mk85(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+static MACHINE_CONFIG_START( mk85, mk85_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", K1801VM2, XTAL_4MHz)
+ MCFG_T11_INITIAL_MODE(0)
+ MCFG_CPU_PROGRAM_MAP(mk85_mem)
+
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE(640, 480)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
+ MCFG_SCREEN_UPDATE_DRIVER(mk85_state, screen_update_mk85)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( mk85 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "mk85.rom", 0x0000, 0x4000, CRC(398e4fd1) SHA1(5e2f877d0f451b46840f01190004552bad5248c8))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1986, mk85, 0, 0, mk85, mk85, driver_device, 0, "Elektronika", "MK-85", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)