diff options
Diffstat (limited to 'src/mame/drivers/mk90.c')
-rw-r--r-- | src/mame/drivers/mk90.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/mame/drivers/mk90.c b/src/mame/drivers/mk90.c new file mode 100644 index 00000000000..3f9249a899f --- /dev/null +++ b/src/mame/drivers/mk90.c @@ -0,0 +1,102 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + Elektronika MK-90 + + 12/05/2009 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. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/t11/t11.h" + + +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") { } + + virtual void machine_reset(); + virtual void video_start(); + UINT32 screen_update_mk90(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + required_device<cpu_device> m_maincpu; +}; + + +static ADDRESS_MAP_START(mk90_mem, AS_PROGRAM, 16, mk90_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x3fff) AM_RAM // RAM + AM_RANGE(0x4000, 0x7fff) AM_ROM // Extension ROM + AM_RANGE(0x8000, 0xffff) AM_ROM // Main ROM +// AM_RANGE(0xe800, 0xe801) LCD address +// AM_RANGE(0xe802, 0xe803) LCD data +// AM_RANGE(0xe810, 0xe810) serial bus controller data +// AM_RANGE(0xe812, 0xe813) serial bus controller transfer rate +// AM_RANGE(0xe814, 0xe814) serial bus controller control/status +// AM_RANGE(0xe816, 0xe816) serial bus controller command +// AM_RANGE(0xea00, 0xea7e) RTC +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( mk90 ) +INPUT_PORTS_END + + +void mk90_state::machine_reset() +{ +} + +void mk90_state::video_start() +{ +} + +UINT32 mk90_state::screen_update_mk90(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + return 0; +} + +static MACHINE_CONFIG_START( mk90, mk90_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", K1801VM2, XTAL_4MHz) + MCFG_T11_INITIAL_MODE(0x8000) + MCFG_CPU_PROGRAM_MAP(mk90_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(mk90_state, screen_update_mk90) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") +MACHINE_CONFIG_END + +/* 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(1)) + + ROM_SYSTEM_BIOS(1, "bas2", "Basic 2") + ROMX_LOAD( "mk90ro20.bin", 0x8000, 0x8000, CRC(d8b3a5f5) SHA1(8f7ab2d97c7466392b6354c0ea7017531c2133ae), ROM_BIOS(2)) + ROMX_LOAD( "mk90ro20t.bin", 0x4000, 0x4000, CRC(0f4b9434) SHA1(c74bbde6d201913c9e67ef8e2abe14b784187f8d), ROM_BIOS(2)) // Expansion ROM +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1988, mk90, 0, 0, mk90, mk90, driver_device, 0, "Elektronika", "MK-90", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |