// 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"),
m_keyboard(*this, "X%u", 0)
{ }
void lw700i(machine_config &config);
DECLARE_READ16_MEMBER(status_r) { return 0x8080; } // "ready"
DECLARE_WRITE16_MEMBER(data_w) { }
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;
required_ioport_array<9> m_keyboard;
// driver_device overrides
virtual void video_start() override;
uint8_t m_keyrow;
};
READ8_MEMBER(lw700i_state::p7_r)
{
//("Read P7 (PC=%x)\n", m_maincpu->pc());
// must be non-zero; f0 = French, fe = German, ff = English
if (m_keyrow == 0xf)
{
return 0xff;
}
if (m_keyrow < 9)
{
return m_keyboard[m_keyrow]->read();
}
return 0xff;
}
READ8_MEMBER(lw700i_state::pb_r)
{
return 0;
}
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] = { 0xffffff, 0 };
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));
}
// row 0: | 4 | 3 | W | E | D | X | ? | Enter? |
// row 1: | 5 | 6 | R | T | C | F | ? | DArr |
// row 2: | 8 | 7 | Y | H | G | V | ? | ? |
// row 3: | 1 | 2 | Q | Z | A | S | ? | Shift Lock? |
// row 4: | 9 | J | I | U | B | N | ? | RArr |
// row 5: | - | 0 | P | O | M | , | ? | Menu |
// row 6: | ? | ; |2/3| | |LAr|UAr| ? | ? |
// row 7: | ? | ? |ENT|BkS| ? | ? | ? | Shift? |
// row 8: |3/4| L | = | K | . |1/2| * | ? |
static INPUT_PORTS_START( lw700i )
PORT_START("X0")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('@')
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('/')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("X1")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR(0xa3)
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('_')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_START("X2")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('\'')
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("X3")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR(0x2021)
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_START("X4")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_START("X5")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('?')
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Menu") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
PORT_START("X6")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(0x2154) PORT_CHAR(0x2153)
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('|') PORT_CHAR('$')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("X7")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Print")
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_START("X8")
PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0xbe) PORT_CHAR(0xbc)
PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.')
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR(0xbd) PORT_CHAR('%')
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_UNKNOWN)
INPUT_PORTS_END
void lw700i_state::lw700i(machine_config &config)
{
H83003(config, m_maincpu, XTAL(16'000'000));
m_maincpu->set_addrmap(AS_PROGRAM, &lw700i_state::main_map);
m_maincpu->set_addrmap(AS_IO, &lw700i_state::io_map);
TIMER(config, "scantimer").configure_scanline(FUNC(lw700i_state::vbl_interrupt), "screen", 0, 1);
SCREEN(config, m_screen, SCREEN_TYPE_LCD);
m_screen->set_refresh_hz(60);
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
m_screen->set_screen_update(FUNC(lw700i_state::screen_update));
m_screen->set_size(640, 400);
m_screen->set_visarea(0, 480, 0, 128);
}
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 )