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-rw-r--r--src/mame/drivers/vt520.cpp154
1 files changed, 0 insertions, 154 deletions
diff --git a/src/mame/drivers/vt520.cpp b/src/mame/drivers/vt520.cpp
deleted file mode 100644
index 5d0d853938e..00000000000
--- a/src/mame/drivers/vt520.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic, Jonathan Gevaryahu
-/***************************************************************************
-
- DEC VT520
-
- 02/07/2009 Skeleton driver.
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/mcs51/mcs51.h"
-//#include "machine/mc68681.h"
-#include "machine/ram.h"
-#include "emupal.h"
-#include "screen.h"
-
-
-class vt520_state : public driver_device
-{
-public:
- vt520_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag) ,
- m_maincpu(*this, "maincpu"),
- m_rom(*this, "maincpu")
- { }
-
- void vt520(machine_config &config);
- void vt420(machine_config &config);
-
-private:
- DECLARE_READ8_MEMBER(vt520_some_r);
- virtual void machine_reset() override;
- virtual void video_start() override;
- uint32_t screen_update_vt520(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- required_device<cpu_device> m_maincpu;
- required_region_ptr<uint8_t> m_rom;
- void vt520_io(address_map &map);
- void vt520_mem(address_map &map);
-};
-
-
-void vt520_state::vt520_mem(address_map &map)
-{
- map(0x0000, 0xffff).bankrw("bank1");
-}
-
-/*
- On the board there is TC160G41AF (1222) custom chip
- doing probably all video/uart logic
- there is 43.320MHz xtal near by
-*/
-
-READ8_MEMBER( vt520_state::vt520_some_r )
-{
- //bit 5 0
- //bit 6 1
- return 0x40;
-}
-
-void vt520_state::vt520_io(address_map &map)
-{
- map.unmap_value_high();
- map(0x7ffb, 0x7ffb).r(FUNC(vt520_state::vt520_some_r));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( vt520 )
-INPUT_PORTS_END
-
-
-void vt520_state::machine_reset()
-{
- address_space &space = m_maincpu->space(AS_PROGRAM);
- space.unmap_write(0x0000, 0xffff);
- membank("bank1")->set_base(&m_rom[m_rom.length() - 0x10000]);
-}
-
-void vt520_state::video_start()
-{
-}
-
-uint32_t vt520_state::screen_update_vt520(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- return 0;
-}
-
-void vt520_state::vt420(machine_config &config)
-{
- /* basic machine hardware */
- I80C31(config, m_maincpu, XTAL(43'320'000) / 3); // SCN8031HCFN40 (divider not verified)
- m_maincpu->set_addrmap(AS_PROGRAM, &vt520_state::vt520_mem);
- m_maincpu->set_addrmap(AS_IO, &vt520_state::vt520_io);
-
- /* 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(802, 480);
- screen.set_visarea(0, 802-1, 0, 480-1);
- screen.set_screen_update(FUNC(vt520_state::screen_update_vt520));
- screen.set_palette("palette");
-
- PALETTE(config, "palette", palette_device::MONOCHROME);
-}
-
-void vt520_state::vt520(machine_config &config)
-{
- /* basic machine hardware */
- I80C32(config, m_maincpu, XTAL(20'000'000)); // Philips P80C32IBPN
- m_maincpu->set_addrmap(AS_PROGRAM, &vt520_state::vt520_mem);
- m_maincpu->set_addrmap(AS_IO, &vt520_state::vt520_io);
-
- /* 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(802, 480);
- screen.set_visarea(0, 802-1, 0, 480-1);
- screen.set_screen_update(FUNC(vt520_state::screen_update_vt520));
- screen.set_palette("palette");
-
- PALETTE(config, "palette", palette_device::MONOCHROME);
-
- // On the board there are two M5M44256BJ-7 chips
- // Which are DRAM 256K x 4bit
- /* internal ram */
- RAM(config, RAM_TAG).set_default_size("256K");
-}
-
-/**************************************************************************************************************
-
-DEC VT420.
-Chips: SCN8031HCFN40, SCN2681TC1N40, M5M4464AP, HM62256LFP-10T, TC23SC070AT, TC531001CP-1815
-Crystals: 43.320
-
-***************************************************************************************************************/
-
-ROM_START( vt420 )
- ROM_REGION(0x20000, "maincpu", 0)
- ROM_LOAD( "23-068e9-00.e2", 0x00000, 0x20000, CRC(22c3f93b) SHA1(b212911c41e4dba2e09d91fdd1f72d6c7536b0af) )
-ROM_END
-
-ROM_START( vt520 )
- ROM_REGION( 0x80000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "23-010ed-00.e20", 0x0000, 0x80000, CRC(2502cc22) SHA1(0437c3107412f69e09d050fef003f2a81d8a3163)) // "(C)DEC94 23-010ED-00 // 9739 D" dumped from a VT520-A4 model
-ROM_END
-
-/* Driver */
-
-COMP( 1990, vt420, 0, 0, vt420, vt520, vt520_state, empty_init, "Digital Equipment Corporation", "VT420 Video Terminal", MACHINE_IS_SKELETON )
-//COMP( 1993, vt510, 0, 0, vt520, vt520, vt520_state, empty_init, "Digital Equipment Corporation", "VT510 Video Terminal", MACHINE_IS_SKELETON)
-COMP( 1994, vt520, 0, 0, vt520, vt520, vt520_state, empty_init, "Digital Equipment Corporation", "VT520 Video Terminal", MACHINE_IS_SKELETON)
-//COMP( 1994, vt525, 0, 0, vt520, vt520, vt520_state, empty_init, "Digital Equipment Corporation", "VT525 Video Terminal", MACHINE_IS_SKELETON)