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// license:BSD-3-Clause
// copyright-holders:hap
// thanks-to:Sean Riddle
/*******************************************************************************
Matsushita (Panasonic) MN1400 handhelds. Matsushita used this MCU in their
audio/video equipment, and it's used in some handheld toys too.
*******************************************************************************/
#include "emu.h"
#include "cpu/mn1400/mn1400.h"
#include "sound/spkrdev.h"
#include "video/pwm.h"
#include "screen.h"
#include "speaker.h"
// internal artwork
#include "compperf.lh"
#include "scrablexa.lh"
#include "tmbaskb.lh"
//#include "hh_mn1400_test.lh" // common test-layout - use external artwork
namespace {
class hh_mn1400_state : public driver_device
{
public:
hh_mn1400_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_display(*this, "display"),
m_speaker(*this, "speaker"),
m_inputs(*this, "IN.%u", 0)
{ }
protected:
virtual void machine_start() override ATTR_COLD;
virtual void machine_reset() override ATTR_COLD;
// devices
required_device<mn1400_base_device> m_maincpu;
optional_device<pwm_display_device> m_display;
optional_device<speaker_sound_device> m_speaker;
optional_ioport_array<5> m_inputs; // max 5
u16 m_inp_mux = 0; // multiplexed inputs mask
// MCU output pins state
u16 m_c = 0; // C pins
u8 m_d = 0; // D pins
u8 m_e = 0; // E pins
u16 read_inputs(int columns);
};
// machine start/reset
void hh_mn1400_state::machine_start()
{
// register for savestates
save_item(NAME(m_inp_mux));
save_item(NAME(m_c));
save_item(NAME(m_d));
save_item(NAME(m_e));
}
void hh_mn1400_state::machine_reset()
{
}
/*******************************************************************************
Helper Functions
*******************************************************************************/
// generic input handlers
u16 hh_mn1400_state::read_inputs(int columns)
{
u16 ret = 0;
// read selected input rows
for (int i = 0; i < columns; i++)
if (BIT(m_inp_mux, i))
ret |= m_inputs[i]->read();
return ret;
}
/*******************************************************************************
Minidrivers (subclass, I/O, Inputs, Machine Config, ROM Defs)
*******************************************************************************/
/*******************************************************************************
Lakeside Computer Perfection
* PCB label: Lakeside, PANASONIC, TCI-A4H94HB
* MN1400ML (28 pins, die label: 1400 ML-0)
* 10 LEDs, 2-bit sound
known releases:
- USA: Computer Perfection, published by Lakeside
- UK: Computer Perfection, published by Action GT
*******************************************************************************/
class compperf_state : public hh_mn1400_state
{
public:
compperf_state(const machine_config &mconfig, device_type type, const char *tag) :
hh_mn1400_state(mconfig, type, tag)
{ }
void compperf(machine_config &config);
private:
void update_display();
void write_c(u16 data);
void write_d(u8 data);
void write_e(u8 data);
u8 read_sns();
};
// handlers
void compperf_state::update_display()
{
m_display->matrix(1, ~m_inp_mux);
}
void compperf_state::write_c(u16 data)
{
// CO5-CO9: leds/input mux part
m_inp_mux = (m_inp_mux & ~0x3e0) | (data & 0x3e0);
update_display();
}
void compperf_state::write_d(u8 data)
{
// DO0-DO3: leds/input mux part
m_inp_mux = (m_inp_mux & ~0x1e) | (data << 1 & 0x1e);
update_display();
}
void compperf_state::write_e(u8 data)
{
// EO0: leds/input mux part
m_inp_mux = (m_inp_mux & ~1) | (data & 1);
update_display();
// EO2,EO3: speaker out
m_speaker->level_w(data >> 2 & 3);
}
u8 compperf_state::read_sns()
{
// SNS0: multiplexed inputs, SNS1: set button
u8 sns0 = (m_inputs[2]->read() & m_inp_mux) ? 1 : 0;
return (m_inputs[3]->read() & 2) | sns0;
}
// inputs
static INPUT_PORTS_START( compperf )
PORT_START("IN.0") // AI
PORT_CONFNAME( 0x07, 0x01, "Game" )
PORT_CONFSETTING( 0x01, "1" )
PORT_CONFSETTING( 0x02, "2" )
PORT_CONFSETTING( 0x04, "3" )
PORT_CONFSETTING( 0x00, "4" )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_SELECT ) PORT_NAME("Score")
PORT_START("IN.1") // BI
PORT_CONFNAME( 0x03, 0x00, "Mode" )
PORT_CONFSETTING( 0x01, "T" ) // Test
PORT_CONFSETTING( 0x00, "N" ) // New
PORT_CONFSETTING( 0x02, "R" ) // Repeat
PORT_CONFNAME( 0x0c, 0x00, DEF_STR( Difficulty ) )
PORT_CONFSETTING( 0x00, "1" )
PORT_CONFSETTING( 0x08, "2" )
PORT_CONFSETTING( 0x04, "3" )
PORT_START("IN.2") // EO/DO/CO SNS0
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_BUTTON2 )
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_BUTTON3 )
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_BUTTON4 )
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_BUTTON5 )
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_BUTTON6 )
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_BUTTON7 )
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_BUTTON8 )
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_BUTTON9 )
PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_BUTTON10 ) // 0
PORT_START("IN.3") // SNS1
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START ) PORT_NAME("Set")
INPUT_PORTS_END
// config
void compperf_state::compperf(machine_config &config)
{
// basic machine hardware
MN1400_28PINS(config, m_maincpu, 290000); // approximation - RC osc. R=18K, C=100pF
m_maincpu->write_c().set(FUNC(compperf_state::write_c));
m_maincpu->write_d().set(FUNC(compperf_state::write_d));
m_maincpu->write_e().set(FUNC(compperf_state::write_e));
m_maincpu->read_a().set_ioport("IN.0");
m_maincpu->read_b().set_ioport("IN.1");
m_maincpu->read_sns().set(FUNC(compperf_state::read_sns));
// video hardware
PWM_DISPLAY(config, m_display).set_size(1, 10);
m_display->set_bri_levels(0.25);
config.set_default_layout(layout_compperf);
// sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker);
static const double speaker_levels[4] = { 0.0, 1.0, -1.0, 0.0 };
m_speaker->set_levels(4, speaker_levels);
m_speaker->add_route(ALL_OUTPUTS, "mono", 0.125);
}
// roms
ROM_START( compperf )
ROM_REGION( 0x0400, "maincpu", 0 )
ROM_LOAD( "mn1400ml", 0x0000, 0x0400, CRC(8d5ab2af) SHA1(f6281bb5a5a7ffeead107681d68b66a4844e93ad) )
ROM_REGION( 428, "maincpu:opla", 0 ) // 4-bit
ROM_LOAD( "mn1400_common1_output.pla", 0, 428, CRC(07489d8b) SHA1(4fe65af8ee798490ed0bbe6a77d61713a2fb28b4) )
ROM_END
/*******************************************************************************
Selchow & Righter Scrabble Lexor
* PCB label: 2294HB
* MN1405MS (die label: 1405 MS-0)
* 8-digit 14-seg LEDs, 2-bit sound
This is the MN1405 version, see scrablex.cpp for the MB8841 version.
*******************************************************************************/
class scrablexa_state : public hh_mn1400_state
{
public:
scrablexa_state(const machine_config &mconfig, device_type type, const char *tag) :
hh_mn1400_state(mconfig, type, tag)
{ }
void scrablexa(machine_config &config);
private:
void update_display();
void write_c(u16 data);
void write_d(u8 data);
void write_e(u8 data);
template<int N> u8 read_abs();
};
// handlers
void scrablexa_state::update_display()
{
u16 data = bitswap<14>(m_e << 12 | m_c,10,8,6,12,11,7,9,13,5,4,3,2,1,0);
m_display->matrix(m_d, ~data);
}
void scrablexa_state::write_c(u16 data)
{
// CO0-CO11: digit segments
m_c = data;
update_display();
}
void scrablexa_state::write_d(u8 data)
{
// DO0-DO4: input mux
// DO0-DO7: digit select
m_inp_mux = data & 0x1f;
m_d = data;
update_display();
}
void scrablexa_state::write_e(u8 data)
{
// EO0,EO1: digit segments
m_e = data;
update_display();
// EO2,EO3: speaker out
m_speaker->level_w(data >> 2 & 3);
}
template<int N>
u8 scrablexa_state::read_abs()
{
// AI/BI/SNS: multiplexed inputs
return read_inputs(5) >> (N * 4);
}
// inputs
static INPUT_PORTS_START( scrablexa )
PORT_START("IN.0") // DO0
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B')
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C')
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D')
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E')
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F')
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G')
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H')
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I')
PORT_START("IN.1") // DO1
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J')
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K')
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L')
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M')
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N')
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O')
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P')
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R')
PORT_START("IN.2") // DO2
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S')
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T')
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U')
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V')
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W')
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X')
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR('*')
PORT_START("IN.3") // DO4
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_NAME("Double")
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_NAME("Triple")
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("Word")
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_NAME("Bonus")
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_NAME("Minus")
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_NAME("Clear")
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_NAME("Enter")
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.4") // DO5
PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_NAME("Flash")
PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("Solo")
PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_NAME("Score")
PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1')
PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2')
PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3')
PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4')
PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_NAME("Timer")
PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Review")
INPUT_PORTS_END
// config
void scrablexa_state::scrablexa(machine_config &config)
{
// basic machine hardware
MN1405(config, m_maincpu, 310000); // approximation - RC osc. R=15K, C=100pF
m_maincpu->write_c().set(FUNC(scrablexa_state::write_c));
m_maincpu->write_d().set(FUNC(scrablexa_state::write_d));
m_maincpu->write_e().set(FUNC(scrablexa_state::write_e));
m_maincpu->read_a().set(FUNC(scrablexa_state::read_abs<0>));
m_maincpu->read_b().set(FUNC(scrablexa_state::read_abs<1>));
m_maincpu->read_sns().set(FUNC(scrablexa_state::read_abs<2>));
// video hardware
PWM_DISPLAY(config, m_display).set_size(8, 14);
m_display->set_segmask(0xff, 0x3fff);
config.set_default_layout(layout_scrablexa);
// sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker);
static const double speaker_levels[4] = { 0.0, 1.0, -1.0, 0.0 };
m_speaker->set_levels(4, speaker_levels);
m_speaker->add_route(ALL_OUTPUTS, "mono", 0.125);
}
// roms
ROM_START( scrablexa )
ROM_REGION( 0x0800, "maincpu", 0 )
ROM_LOAD( "mn1405ms", 0x0000, 0x0800, CRC(d6d61d03) SHA1(b319cb0f0539e7516bb28f1182665b05b7dd16b1) )
ROM_REGION( 428, "maincpu:opla", 0 )
ROM_LOAD( "mn1400_scrablexa_output.pla", 0, 428, CRC(555fe168) SHA1(cf19be34391dae0a8aacc7be53f2a3415fed3108) )
ROM_END
/*******************************************************************************
Tomy Basketball (model 7600)
* PCB label: TOMY, BASKET, 2E018E01
* MN9008 (28-pin MN1400, AI0-AI3 replaced with CO0-CO3, die label: 1400 BM-0)
* 2 7seg LEDs, 29 other LEDs, 1-bit sound
Two versions are known: one with a black bezel and one with a brown bezel,
the internal hardware is the same. The other 2 games in this series (Soccer,
Volleyball) use a TMS1000 MCU instead.
*******************************************************************************/
class tmbaskb_state : public hh_mn1400_state
{
public:
tmbaskb_state(const machine_config &mconfig, device_type type, const char *tag) :
hh_mn1400_state(mconfig, type, tag)
{ }
void tmbaskb(machine_config &config);
private:
void update_display();
void write_c(u16 data);
void write_d(u8 data);
void write_e(u8 data);
u8 read_b();
};
// handlers
void tmbaskb_state::update_display()
{
u8 data = bitswap<8>(m_e << 4 | m_d,7,5,1,4,3,2,6,0);
m_display->matrix((m_c >> 1 & 0x30) | (m_c & 0xf), data);
}
void tmbaskb_state::write_c(u16 data)
{
// CO0,CO1: digit select
// CO2,CO3,CO5,CO6: led select
m_c = data;
update_display();
// CO3,CO5: input mux
m_inp_mux = bitswap<2>(data,5,3);
// CO7: speaker out
m_speaker->level_w(BIT(data, 7));
}
void tmbaskb_state::write_d(u8 data)
{
// DO0-DO3: led data
m_d = data;
update_display();
}
void tmbaskb_state::write_e(u8 data)
{
// EO0-EO3: led data
m_e = data;
update_display();
}
u8 tmbaskb_state::read_b()
{
// BI1-BI3: multiplexed inputs, BI0: score button
return (read_inputs(2) & 0xe) | (m_inputs[2]->read() & 1);
}
// inputs
static INPUT_PORTS_START( tmbaskb )
PORT_START("IN.0") // CO3 BI (left)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P1 Offense P")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P1 Offense S")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P1 Defense")
PORT_START("IN.1") // CO5 BI (right)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL PORT_NAME("P2 Offense P")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_COCKTAIL PORT_NAME("P2 Offense S")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL PORT_NAME("P2 Defense")
PORT_START("IN.2") // BI0
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SELECT ) PORT_NAME("Score")
PORT_START("IN.3") // SNS
PORT_CONFNAME( 0x01, 0x01, DEF_STR( Players ) )
PORT_CONFSETTING( 0x01, "1" )
PORT_CONFSETTING( 0x00, "2" )
PORT_CONFNAME( 0x02, 0x00, DEF_STR( Difficulty ) )
PORT_CONFSETTING( 0x00, "1" ) // PRO1
PORT_CONFSETTING( 0x02, "2" ) // PRO2
INPUT_PORTS_END
// config
void tmbaskb_state::tmbaskb(machine_config &config)
{
// basic machine hardware
MN1400_28PINS(config, m_maincpu, 290000); // approximation - RC osc. R=18K, C=100pF
m_maincpu->write_c().set(FUNC(tmbaskb_state::write_c));
m_maincpu->set_c_mask(0x3ef);
m_maincpu->write_d().set(FUNC(tmbaskb_state::write_d));
m_maincpu->write_e().set(FUNC(tmbaskb_state::write_e));
m_maincpu->read_b().set(FUNC(tmbaskb_state::read_b));
m_maincpu->read_sns().set_ioport("IN.3");
// video hardware
PWM_DISPLAY(config, m_display).set_size(6, 8);
m_display->set_segmask(3, 0x7f);
config.set_default_layout(layout_tmbaskb);
// sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker);
m_speaker->add_route(ALL_OUTPUTS, "mono", 0.25);
}
// roms
ROM_START( tmbaskb )
ROM_REGION( 0x0400, "maincpu", 0 )
ROM_LOAD( "tomy_basket_mn9008", 0x0000, 0x0400, CRC(25be3560) SHA1(17855397cf05963c1381191cd4731860b8e180a8) )
ROM_REGION( 428, "maincpu:opla", 0 ) // 4-bit
ROM_LOAD( "mn1400_common1_output.pla", 0, 428, CRC(07489d8b) SHA1(4fe65af8ee798490ed0bbe6a77d61713a2fb28b4) )
ROM_END
} // anonymous namespace
/*******************************************************************************
Game driver(s)
*******************************************************************************/
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS
SYST( 1979, compperf, 0, 0, compperf, compperf, compperf_state, empty_init, "Lakeside", "Computer Perfection", MACHINE_SUPPORTS_SAVE )
SYST( 1980, scrablexa, scrablex, 0, scrablexa, scrablexa, scrablexa_state, empty_init, "Selchow & Righter", "Scrabble Lexor: Computer Word Game (MN1405 version)", MACHINE_SUPPORTS_SAVE )
SYST( 1980, tmbaskb, 0, 0, tmbaskb, tmbaskb, tmbaskb_state, empty_init, "Tomy", "Basketball (Tomy)", MACHINE_SUPPORTS_SAVE )
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