// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** DEC DCT11-EM 03/12/2010 Skeleton driver. ****************************************************************************/ #include "emu.h" #include "cpu/t11/t11.h" #include "emupal.h" #include "screen.h" class dct11em_state : public driver_device { public: dct11em_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } void dct11em(machine_config &config); private: virtual void machine_reset() override; virtual void video_start() override; void dct11em_mem(address_map &map); uint32_t screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); required_device m_maincpu; }; void dct11em_state::dct11em_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x0fff).ram(); // RAM map(0x2000, 0x2fff).ram(); // Optional RAM map(0xa000, 0xdfff).rom(); // RAM } /* Input ports */ static INPUT_PORTS_START( dct11em ) INPUT_PORTS_END void dct11em_state::machine_reset() { } void dct11em_state::video_start() { } uint32_t dct11em_state::screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } void dct11em_state::dct11em(machine_config &config) { /* basic machine hardware */ T11(config, m_maincpu, 7500000); // 7.5MHz XTAL m_maincpu->set_initial_mode(0x1403); /* according to specs */ m_maincpu->set_addrmap(AS_PROGRAM, &dct11em_state::dct11em_mem); /* 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(dct11em_state::screen_update_dct11em)); screen.set_palette("palette"); PALETTE(config, "palette", palette_device::MONOCHROME); } /* ROM definition */ ROM_START( dct11em ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) // Highest address line inverted ROM_LOAD16_BYTE( "23-213e4.bin", 0x8000, 0x2000, CRC(bdd82f39) SHA1(347deeff77596b67eee27a39a9c40075fcf5c10d)) ROM_LOAD16_BYTE( "23-214e4.bin", 0x8001, 0x2000, CRC(b523dae8) SHA1(cd1a64a2bce9730f7a9177d391663919c7f56073)) ROM_COPY("maincpu", 0x8000, 0xc000, 0x2000) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1983, dct11em, 0, 0, dct11em, dct11em, dct11em_state, empty_init, "Digital Equipment Corporation", "DCT11-EM", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)