// license:BSD-3-Clause
// copyright-holders:hap
// thanks-to:Kevin Horton
/***************************************************************************
Mitsubishi MELPS 4 MCU tabletops/handhelds or other simple devices,
most of them are VFD electronic games/toys.
***************************************************************************/
#include "emu.h"
#include "cpu/melps4/m58846.h"
#include "video/pwm.h"
#include "sound/spkrdev.h"
#include "screen.h"
#include "speaker.h"
//#include "hh_melps4_test.lh" // common test-layout - no svg artwork(yet), use external artwork
class hh_melps4_state : public driver_device
{
public:
hh_melps4_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)
{ }
// devices
required_device<m58846_device> m_maincpu;
optional_device<pwm_display_device> m_display;
optional_device<speaker_sound_device> m_speaker;
optional_ioport_array<4> m_inputs; // max 4
// misc common
u16 m_inp_mux; // multiplexed inputs mask
u32 m_grid; // VFD current row data
u32 m_plate; // VFD current column data
u8 read_inputs(int columns);
virtual DECLARE_INPUT_CHANGED_MEMBER(reset_button);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
};
// machine start/reset
void hh_melps4_state::machine_start()
{
// zerofill
m_inp_mux = 0;
m_grid = 0;
m_plate = 0;
// register for savestates
save_item(NAME(m_inp_mux));
save_item(NAME(m_grid));
save_item(NAME(m_plate));
}
void hh_melps4_state::machine_reset()
{
}
/***************************************************************************
Helper Functions
***************************************************************************/
// generic input handlers
u8 hh_melps4_state::read_inputs(int columns)
{
u8 ret = 0;
// read selected input rows
for (int i = 0; i < columns; i++)
if (m_inp_mux >> i & 1)
ret |= m_inputs[i]->read();
return ret;
}
INPUT_CHANGED_MEMBER(hh_melps4_state::reset_button)
{
// for when reset button is directly tied to MCU reset pin
m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? ASSERT_LINE : CLEAR_LINE);
}
/***************************************************************************
Minidrivers (subclass, I/O, Inputs, Machine Config, ROM Defs)
***************************************************************************/
namespace {
/***************************************************************************
Coleco Frogger (manufactured in Japan, licensed from Sega)
* PCB label Coleco Frogger Code No. 01-81543, KS-003282 Japan
* Mitsubishi M58846-701P MCU
* cyan/red/green VFD display Itron CP5090GLR R1B, with partial color overlay
***************************************************************************/
class cfrogger_state : public hh_melps4_state
{
public:
cfrogger_state(const machine_config &mconfig, device_type type, const char *tag) :
hh_melps4_state(mconfig, type, tag)
{ }
void update_display();
DECLARE_WRITE8_MEMBER(plate_w);
DECLARE_WRITE16_MEMBER(grid_w);
DECLARE_WRITE_LINE_MEMBER(speaker_w);
DECLARE_READ16_MEMBER(input_r);
void cfrogger(machine_config &config);
};
// handlers
void cfrogger_state::update_display()
{
u16 grid = bitswap<16>(m_grid,15,14,13,12,0,1,2,3,4,5,6,7,8,9,10,11);
u16 plate = bitswap<16>(m_plate,12,4,13,5,14,6,15,7,3,11,2,10,1,9,0,8);
m_display->matrix(grid, plate);
}
WRITE8_MEMBER(cfrogger_state::plate_w)
{
// F0,F1: input mux
if (offset == MELPS4_PORTF)
m_inp_mux = data & 3;
// Sx,Fx,Gx: vfd plate
int mask = (offset == MELPS4_PORTS) ? 0xff : 0xf; // port S is 8-bit
int shift = (offset == MELPS4_PORTS) ? 0 : (offset + 1) * 4;
m_plate = (m_plate & ~(mask << shift)) | (data << shift);
update_display();
}
WRITE16_MEMBER(cfrogger_state::grid_w)
{
// D0-D11: vfd grid
m_grid = data;
update_display();
}
WRITE_LINE_MEMBER(cfrogger_state::speaker_w)
{
// T: speaker out
m_speaker->level_w(state);
}
READ16_MEMBER(cfrogger_state::input_r)
{
// K0,K1: multiplexed inputs
// K2: N/C
// K3: fixed input
return (m_inputs[2]->read() & 8) | (read_inputs(2) & 3);
}
// config
static INPUT_PORTS_START( cfrogger )
PORT_START("IN.0") // F0 port K0,K1
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
PORT_START("IN.1") // F1 port K0,K1
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
PORT_START("IN.2") // K3
PORT_CONFNAME( 0x08, 0x00, DEF_STR( Difficulty ) )
PORT_CONFSETTING( 0x00, "1" )
PORT_CONFSETTING( 0x08, "2" )
PORT_START("RESET")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_CHANGED_MEMBER(DEVICE_SELF, hh_melps4_state, reset_button, 0)
INPUT_PORTS_END
void cfrogger_state::cfrogger(machine_config &config)
{
/* basic machine hardware */
M58846(config, m_maincpu, 600_kHz_XTAL);
m_maincpu->read_k().set(FUNC(cfrogger_state::input_r));
m_maincpu->write_s().set(FUNC(cfrogger_state::plate_w));
m_maincpu->write_f().set(FUNC(cfrogger_state::plate_w));
m_maincpu->write_g().set(FUNC(cfrogger_state::plate_w));
m_maincpu->write_d().set(FUNC(cfrogger_state::grid_w));
m_maincpu->write_t().set(FUNC(cfrogger_state::speaker_w));
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_SVG));
screen.set_refresh_hz(60);
screen.set_size(500, 1080);
screen.set_visarea_full();
PWM_DISPLAY(config, m_display).set_size(12, 16);
/* sound hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
}
// roms
ROM_START( cfrogger )
ROM_REGION( 0x1000, "maincpu", 0 )
ROM_LOAD( "m58846-701p", 0x0000, 0x1000, CRC(ba52a242) SHA1(7fa53b617f4bb54be32eb209e9b88131e11cb518) )
ROM_REGION( 786255, "screen", 0)
ROM_LOAD( "cfrogger.svg", 0, 786255, CRC(d8d6e2b6) SHA1(bc9a0260b211ed07021dfe1cc19a993569f4c544) )
ROM_END
/***************************************************************************
Gakken Jungler (manufactured in Japan, licensed from Konami)
* PCB label Konami Gakken GR503
* Mitsubishi M58846-702P MCU
* cyan/red/green VFD display Itron CP5143GLR SGA, with light-yellow color overlay
***************************************************************************/
class gjungler_state : public hh_melps4_state
{
public:
gjungler_state(const machine_config &mconfig, device_type type, const char *tag) :
hh_melps4_state(mconfig, type, tag)
{ }
void update_display();
DECLARE_WRITE8_MEMBER(plate_w);
DECLARE_WRITE16_MEMBER(grid_w);
DECLARE_WRITE_LINE_MEMBER(speaker_w);
DECLARE_READ16_MEMBER(input_r);
void gjungler(machine_config &config);
};
// handlers
void gjungler_state::update_display()
{
u16 grid = bitswap<16>(m_grid,15,14,13,12,11,10,9,8,7,6,5,4,3,2,0,1);
u32 plate = bitswap<24>(m_plate,23,22,21,20,19,18,8,9,10,11,13,16,15,14,13,12,7,0,6,1,5,2,4,3) | 0x2000;
m_display->matrix(grid, plate);
}
WRITE8_MEMBER(gjungler_state::plate_w)
{
// G0,G1: input mux
if (offset == MELPS4_PORTG)
m_inp_mux = data & 3;
// Sx,Fx,Gx,U: vfd plate
int mask = (offset == MELPS4_PORTS) ? 0xff : 0xf; // port S is 8-bit
int shift = (offset == MELPS4_PORTS) ? 0 : (offset + 1) * 4;
m_plate = (m_plate & ~(mask << shift)) | (data << shift);
update_display();
}
WRITE16_MEMBER(gjungler_state::grid_w)
{
// D0-D11: vfd grid
m_grid = data;
update_display();
}
WRITE_LINE_MEMBER(gjungler_state::speaker_w)
{
// T: speaker out
m_speaker->level_w(state);
}
READ16_MEMBER(gjungler_state::input_r)
{
// K0,K1: multiplexed inputs
// K2,K3: fixed inputs
return (m_inputs[2]->read() & 0xc) | (read_inputs(2) & 3);
}
// config
static INPUT_PORTS_START( gjungler )
PORT_START("IN.0") // G0 port K0,K1
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
PORT_START("IN.1") // G1 port K0,K1
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
PORT_START("IN.2") // K2,K3
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_CONFNAME( 0x08, 0x00, "Game Mode" )
PORT_CONFSETTING( 0x00, "A" )
PORT_CONFSETTING( 0x08, "B" )
PORT_START("RESET")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_CHANGED_MEMBER(DEVICE_SELF, hh_melps4_state, reset_button, 0)
INPUT_PORTS_END
void gjungler_state::gjungler(machine_config &config)
{
/* basic machine hardware */
M58846(config, m_maincpu, 600_kHz_XTAL);
m_maincpu->read_k().set(FUNC(gjungler_state::input_r));
m_maincpu->write_s().set(FUNC(gjungler_state::plate_w));
m_maincpu->write_f().set(FUNC(gjungler_state::plate_w));
m_maincpu->write_g().set(FUNC(gjungler_state::plate_w));
m_maincpu->write_u().set(FUNC(gjungler_state::plate_w));
m_maincpu->write_d().set(FUNC(gjungler_state::grid_w));
m_maincpu->write_t().set(FUNC(gjungler_state::speaker_w));
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_SVG));
screen.set_refresh_hz(60);
screen.set_size(481, 1080);
screen.set_visarea_full();
PWM_DISPLAY(config, m_display).set_size(12, 18);
/* sound hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
}
// roms
ROM_START( gjungler )
ROM_REGION( 0x1000, "maincpu", 0 )
ROM_LOAD( "m58846-702p", 0x0000, 0x1000, CRC(94ab7060) SHA1(3389bc115d1df8d01a30611fa9e95a900d32b29b) )
ROM_REGION( 419696, "screen", 0)
ROM_LOAD( "gjungler.svg", 0, 419696, CRC(c5f6d1f2) SHA1(5032f35326ca689c8e329f760e380cdc9f5dff86) )
ROM_END
} // anonymous namespace
/***************************************************************************
Game driver(s)
***************************************************************************/
// YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS
CONS( 1981, cfrogger, 0, 0, cfrogger, cfrogger, cfrogger_state, empty_init, "Coleco", "Frogger (Coleco)", MACHINE_SUPPORTS_SAVE )
CONS( 1982, gjungler, 0, 0, gjungler, gjungler, gjungler_state, empty_init, "Gakken / Konami", "Jungler (Gakken)", MACHINE_SUPPORTS_SAVE )