New machines added as NOT WORKING

- Brother LW-700i [R. Belmont, rfka01]

src/mame/drivers/blw700i.cpp

@@ -0,0 +1,182 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/***************************************************************************
+
+    Brother LW-700i and friends word processor/typewriters
+
+    Preliminary driver by R. Belmont
+
+    Main CPU: Hitachi H8/3003
+    FDC: HD63266F (uPD765 derivative)
+    256KiB RAM
+    Dot-matrix LCD (480x128)
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/h8/h83003.h"
+#include "machine/nvram.h"
+#include "machine/at28c16.h"
+#include "screen.h"
+#include "speaker.h"
+#include "machine/timer.h"
+
+class lw700i_state : public driver_device
+{
+public:
+	lw700i_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+			m_maincpu(*this, "maincpu"),
+			m_mainram(*this, "mainram"),
+			m_screen(*this, "screen")
+	{ }
+
+	void lw700i(machine_config &config);
+
+	DECLARE_READ16_MEMBER(status_r) { return 0x8080; }  // "ready"
+	DECLARE_WRITE16_MEMBER(data_w) { printf("%c", data & 0x7f); }
+
+	DECLARE_READ8_MEMBER(p7_r);
+	DECLARE_READ8_MEMBER(pb_r);
+	DECLARE_WRITE8_MEMBER(pb_w);
+
+private:
+	virtual void machine_reset() override;
+	virtual void machine_start() override;
+
+	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+	void main_map(address_map &map);
+	void io_map(address_map &map);
+
+	TIMER_DEVICE_CALLBACK_MEMBER(vbl_interrupt);
+
+	// devices
+	required_device<h83003_device> m_maincpu;
+	required_shared_ptr<uint16_t> m_mainram;
+	required_device<screen_device> m_screen;
+
+	// driver_device overrides
+	virtual void video_start() override;
+
+	uint8_t m_keyrow;
+};
+
+READ8_MEMBER(lw700i_state::p7_r)
+{
+	// must be non-zero; f0 = French, fe = German, ff = English
+	return 0xf0;
+}
+
+READ8_MEMBER(lw700i_state::pb_r)
+{
+	if (m_keyrow == 0xf)    // config
+	{
+		return 0;
+	}
+
+	return 0xffff;
+}
+
+WRITE8_MEMBER(lw700i_state::pb_w)
+{
+	printf("%x to keyboard row\n", data);
+	m_keyrow = data;
+}
+
+TIMER_DEVICE_CALLBACK_MEMBER(lw700i_state::vbl_interrupt)
+{
+	int scanline = m_screen->vpos();
+
+	if (scanline == 1)
+	{
+		m_maincpu->set_input_line(5, ASSERT_LINE);
+		// not sure where this is coming from, fix hang
+		m_maincpu->space(0).write_byte(0xffffff05, 0);
+	}
+	else if (scanline == 2)
+	{
+		m_maincpu->set_input_line(5, CLEAR_LINE);
+	}
+}
+
+void lw700i_state::machine_reset()
+{
+}
+
+void lw700i_state::machine_start()
+{
+}
+
+void lw700i_state::video_start()
+{
+}
+
+uint32_t lw700i_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+	uint32_t *scanline;
+	int x, y;
+	uint8_t pixels;
+	static const uint32_t palette[2] = { 0, 0xffffff };
+	uint8_t *pVRAM = (uint8_t *)m_mainram.target();
+
+	pVRAM += 0x3e200;
+
+	for (y = 0; y < 128; y++)
+	{
+		scanline = &bitmap.pix32(y);
+		for (x = 0; x < 480/8; x++)
+		{
+			pixels = pVRAM[(y * (480/8)) + (BYTE_XOR_BE(x))];
+
+			*scanline++ = palette[(pixels>>7)&1];
+			*scanline++ = palette[(pixels>>6)&1];
+			*scanline++ = palette[(pixels>>5)&1];
+			*scanline++ = palette[(pixels>>4)&1];
+			*scanline++ = palette[(pixels>>3)&1];
+			*scanline++ = palette[(pixels>>2)&1];
+			*scanline++ = palette[(pixels>>1)&1];
+			*scanline++ = palette[(pixels&1)];
+		}
+	}
+
+	return 0;
+}
+
+void lw700i_state::main_map(address_map &map)
+{
+	map(0x000000, 0x1fffff).rom().region("maincpu", 0x0000);
+	map(0x600000, 0x63ffff).ram().share("mainram"); // 256K of main RAM
+	map(0xe00000, 0xe00001).rw(FUNC(lw700i_state::status_r), FUNC(lw700i_state::data_w));
+	map(0xf00048, 0xf00049).ram();
+}
+
+void lw700i_state::io_map(address_map &map)
+{
+	map(h83003_device::PORT_7, h83003_device::PORT_7).r(FUNC(lw700i_state::p7_r));
+	map(h83003_device::PORT_B, h83003_device::PORT_B).rw(FUNC(lw700i_state::pb_r), FUNC(lw700i_state::pb_w));
+}
+
+static INPUT_PORTS_START( lw700i )
+INPUT_PORTS_END
+
+MACHINE_CONFIG_START(lw700i_state::lw700i)
+	MCFG_DEVICE_ADD("maincpu", H83003, XTAL(16'000'000))
+	MCFG_DEVICE_PROGRAM_MAP(main_map)
+	MCFG_DEVICE_IO_MAP(io_map)
+	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", lw700i_state, vbl_interrupt, "screen", 0, 1)
+
+	MCFG_SCREEN_ADD("screen", LCD)
+	MCFG_SCREEN_REFRESH_RATE(60)
+	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+	MCFG_SCREEN_UPDATE_DRIVER(lw700i_state, screen_update)
+	MCFG_SCREEN_SIZE(640, 400)
+	MCFG_SCREEN_VISIBLE_AREA(0, 480, 0, 128)
+MACHINE_CONFIG_END
+
+ROM_START(blw700i)
+	ROM_REGION(0x200000, "maincpu", 0)      /* H8/3003 program ROM */
+	ROM_LOAD16_WORD_SWAP( "mx24969b.bin", 0x000000, 0x200000, CRC(78d88d04) SHA1(3cda632c7190257abd20e121575767e8e9a18b1c) )
+ROM_END
+
+SYST( 1995, blw700i,    0, 0, lw700i, lw700i, lw700i_state, empty_init, "Brother", "LW-700i", MACHINE_NOT_WORKING|MACHINE_NO_SOUND )

src/mame/mame.lst

@@ -8890,6 +8890,9 @@ blueprntj                       // (c) 1982 Jaleco (Zilec in ROM 3U, and the pro
 grasspin                        // (c) 1983 Jaleco (Zilec / Ashby programmer names in sound rom)
 saturnzi                        // (c) 1983 Jaleco (Zilec in ROM R6, and the programmer names)
 
+@source:blw700i.cpp
+blw700i                         // (c) 1995 Brother
+
 @source:bmcbowl.cpp
 bmcbowl                         // (c) 1994 BMC