// license:BSD-3-Clause
// copyright-holders:hap, Kevin Horton
/***************************************************************************
Mitsubishi MELPS 4 MCU tabletops/handhelds or other simple devices,
most of them are VFD electronic games/toys.
***************************************************************************/
#include "emu.h"
#include "rendlay.h"
#include "cpu/melps4/m58846.h"
#include "sound/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_inp_matrix(*this, "IN"),
m_speaker(*this, "speaker"),
m_display_wait(33),
m_display_maxy(1),
m_display_maxx(0)
{ }
// devices
required_device<cpu_device> m_maincpu;
optional_ioport_array<4> m_inp_matrix; // max 4
optional_device<speaker_sound_device> m_speaker;
// misc common
UINT16 m_inp_mux; // multiplexed inputs mask
UINT8 read_inputs(int columns);
DECLARE_INPUT_CHANGED_MEMBER(reset_button);
// display common
int m_display_wait; // led/lamp off-delay in microseconds (default 33ms)
int m_display_maxy; // display matrix number of rows
int m_display_maxx; // display matrix number of columns (max 31 for now)
UINT32 m_grid; // VFD current row data
UINT32 m_plate; // VFD current column data
UINT32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on)
UINT16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments
UINT32 m_display_cache[0x20]; // (internal use)
UINT8 m_display_decay[0x20][0x20]; // (internal use)
TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick);
void display_update();
void set_display_size(int maxx, int maxy);
void display_matrix(int maxx, int maxy, UINT32 setx, UINT32 sety, bool update = true);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
};
// machine start/reset
void hh_melps4_state::machine_start()
{
// zerofill
memset(m_display_state, 0, sizeof(m_display_state));
memset(m_display_cache, ~0, sizeof(m_display_cache));
memset(m_display_decay, 0, sizeof(m_display_decay));
memset(m_display_segmask, 0, sizeof(m_display_segmask));
m_inp_mux = 0;
m_grid = 0;
m_plate = 0;
// register for savestates
save_item(NAME(m_display_maxy));
save_item(NAME(m_display_maxx));
save_item(NAME(m_display_wait));
save_item(NAME(m_display_state));
/* save_item(NAME(m_display_cache)); */ // don't save!
save_item(NAME(m_display_decay));
save_item(NAME(m_display_segmask));
save_item(NAME(m_inp_mux));
save_item(NAME(m_grid));
save_item(NAME(m_plate));
}
void hh_melps4_state::machine_reset()
{
}
/***************************************************************************
Helper Functions
***************************************************************************/
// The device may strobe the outputs very fast, it is unnoticeable to the user.
// To prevent flickering here, we need to simulate a decay.
void hh_melps4_state::display_update()
{
UINT32 active_state[0x20];
for (int y = 0; y < m_display_maxy; y++)
{
active_state[y] = 0;
for (int x = 0; x <= m_display_maxx; x++)
{
// turn on powered segments
if (m_display_state[y] >> x & 1)
m_display_decay[y][x] = m_display_wait;
// determine active state
UINT32 ds = (m_display_decay[y][x] != 0) ? 1 : 0;
active_state[y] |= (ds << x);
}
}
// on difference, send to output
for (int y = 0; y < m_display_maxy; y++)
if (m_display_cache[y] != active_state[y])
{
if (m_display_segmask[y] != 0)
output().set_digit_value(y, active_state[y] & m_display_segmask[y]);
const int mul = (m_display_maxx <= 10) ? 10 : 100;
for (int x = 0; x <= m_display_maxx; x++)
{
int state = active_state[y] >> x & 1;
char buf1[0x10]; // lampyx
char buf2[0x10]; // y.x
if (x == m_display_maxx)
{
// always-on if selected
sprintf(buf1, "lamp%da", y);
sprintf(buf2, "%d.a", y);
}
else
{
sprintf(buf1, "lamp%d", y * mul + x);
sprintf(buf2, "%d.%d", y, x);
}
output().set_value(buf1, state);
output().set_value(buf2, state);
}
}
memcpy(m_display_cache, active_state, sizeof(m_display_cache));
}
TIMER_DEVICE_CALLBACK_MEMBER(hh_melps4_state::display_decay_tick)
{
// slowly turn off unpowered segments
for (int y = 0; y < m_display_maxy; y++)
for (int x = 0; x <= m_display_maxx; x++)
if (m_display_decay[y][x] != 0)
m_display_decay[y][x]--;
display_update();
}
void hh_melps4_state::set_display_size(int maxx, int maxy)
{
m_display_maxx = maxx;
m_display_maxy = maxy;
}
void hh_melps4_state::display_matrix(int maxx, int maxy, UINT32 setx, UINT32 sety, bool update)
{
set_display_size(maxx, maxy);
// update current state
UINT32 mask = (1 << maxx) - 1;
for (int y = 0; y < maxy; y++)
m_display_state[y] = (sety >> y & 1) ? ((setx & mask) | (1 << maxx)) : 0;
if (update)
display_update();
}
// generic input handlers
UINT8 hh_melps4_state::read_inputs(int columns)
{
UINT8 ret = 0;
// read selected input rows
for (int i = 0; i < columns; i++)
if (m_inp_mux >> i & 1)
ret |= m_inp_matrix[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)
***************************************************************************/
/***************************************************************************
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 prepare_display();
DECLARE_WRITE8_MEMBER(plate_w);
DECLARE_WRITE16_MEMBER(grid_w);
DECLARE_WRITE_LINE_MEMBER(speaker_w);
DECLARE_READ16_MEMBER(input_r);
};
// handlers
void cfrogger_state::prepare_display()
{
UINT16 grid = BITSWAP16(m_grid,15,14,13,12,0,1,2,3,4,5,6,7,8,9,10,11);
UINT16 plate = BITSWAP16(m_plate,12,4,13,5,14,6,15,7,3,11,2,10,1,9,0,8);
display_matrix(16, 12, plate, grid);
}
WRITE8_MEMBER(cfrogger_state::plate_w)
{
// F0,F1: input mux
if (offset == MELPS4_PORTF)
m_inp_mux = data & 3;
// Sx,Fx,Gx: vfd matrix 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);
prepare_display();
}
WRITE16_MEMBER(cfrogger_state::grid_w)
{
// D0-D11: vfd matrix grid
m_grid = data;
prepare_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_inp_matrix[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, "Skill Level" )
PORT_CONFSETTING( 0x00, "1" )
PORT_CONFSETTING( 0x08, "2" )
PORT_START("IN.3") // fake
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_CHANGED_MEMBER(DEVICE_SELF, hh_melps4_state, reset_button, nullptr)
INPUT_PORTS_END
static MACHINE_CONFIG_START( cfrogger, cfrogger_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M58846, XTAL_600kHz)
MCFG_MELPS4_READ_K_CB(READ16(cfrogger_state, input_r))
MCFG_MELPS4_WRITE_S_CB(WRITE8(cfrogger_state, plate_w))
MCFG_MELPS4_WRITE_F_CB(WRITE8(cfrogger_state, plate_w))
MCFG_MELPS4_WRITE_G_CB(WRITE8(cfrogger_state, plate_w))
MCFG_MELPS4_WRITE_D_CB(WRITE16(cfrogger_state, grid_w))
MCFG_MELPS4_WRITE_T_CB(WRITELINE(cfrogger_state, speaker_w))
/* video hardware */
MCFG_SCREEN_SVG_ADD("screen", "svg")
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_SIZE(500, 1080)
MCFG_SCREEN_VISIBLE_AREA(0, 500-1, 0, 1080-1)
MCFG_DEFAULT_LAYOUT(layout_svg)
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_melps4_state, display_decay_tick, attotime::from_msec(1))
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_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 prepare_display();
DECLARE_WRITE8_MEMBER(plate_w);
DECLARE_WRITE16_MEMBER(grid_w);
DECLARE_WRITE_LINE_MEMBER(speaker_w);
DECLARE_READ16_MEMBER(input_r);
};
// handlers
void gjungler_state::prepare_display()
{
UINT16 grid = BITSWAP16(m_grid,15,14,13,12,11,10,9,8,7,6,5,4,3,2,0,1);
UINT32 plate = BITSWAP24(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;
display_matrix(18, 12, plate, grid);
}
WRITE8_MEMBER(gjungler_state::plate_w)
{
// G0,G1: input mux
if (offset == MELPS4_PORTG)
m_inp_mux = data & 3;
// Sx,Fx,Gx,U: vfd matrix 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);
prepare_display();
}
WRITE16_MEMBER(gjungler_state::grid_w)
{
// D0-D11: vfd matrix grid
m_grid = data;
prepare_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_inp_matrix[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("IN.3") // fake
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_CHANGED_MEMBER(DEVICE_SELF, hh_melps4_state, reset_button, nullptr)
INPUT_PORTS_END
static MACHINE_CONFIG_START( gjungler, gjungler_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M58846, XTAL_600kHz)
MCFG_MELPS4_READ_K_CB(READ16(gjungler_state, input_r))
MCFG_MELPS4_WRITE_S_CB(WRITE8(gjungler_state, plate_w))
MCFG_MELPS4_WRITE_F_CB(WRITE8(gjungler_state, plate_w))
MCFG_MELPS4_WRITE_G_CB(WRITE8(gjungler_state, plate_w))
MCFG_MELPS4_WRITE_U_CB(WRITE8(gjungler_state, plate_w))
MCFG_MELPS4_WRITE_D_CB(WRITE16(gjungler_state, grid_w))
MCFG_MELPS4_WRITE_T_CB(WRITELINE(gjungler_state, speaker_w))
/* video hardware */
MCFG_SCREEN_SVG_ADD("screen", "svg")
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_SIZE(481, 1080)
MCFG_SCREEN_VISIBLE_AREA(0, 481-1, 0, 1080-1)
MCFG_DEFAULT_LAYOUT(layout_svg)
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_melps4_state, display_decay_tick, attotime::from_msec(1))
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( cfrogger )
ROM_REGION( 0x1000, "maincpu", 0 )
ROM_LOAD( "m58846-701p", 0x0000, 0x1000, CRC(ba52a242) SHA1(7fa53b617f4bb54be32eb209e9b88131e11cb518) )
ROM_REGION( 786255, "svg", 0)
ROM_LOAD( "cfrogger.svg", 0, 786255, CRC(d8d6e2b6) SHA1(bc9a0260b211ed07021dfe1cc19a993569f4c544) ) // by kevtris, ver. 19 may 2015
ROM_END
ROM_START( gjungler )
ROM_REGION( 0x1000, "maincpu", 0 )
ROM_LOAD( "m58846-702p", 0x0000, 0x1000, CRC(94ab7060) SHA1(3389bc115d1df8d01a30611fa9e95a900d32b29b) )
ROM_REGION( 419696, "svg", 0)
ROM_LOAD( "gjungler.svg", 0, 419696, BAD_DUMP CRC(c5f6d1f2) SHA1(5032f35326ca689c8e329f760e380cdc9f5dff86) ) // by hap/kevtris, ver. 25 apr 2016 - BAD_DUMP: needs cleanup/redo
ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY, FULLNAME, FLAGS */
CONS( 1981, cfrogger, 0, 0, cfrogger, cfrogger, driver_device, 0, "Coleco", "Frogger (Coleco)", MACHINE_SUPPORTS_SAVE )
CONS( 1982, gjungler, 0, 0, gjungler, gjungler, driver_device, 0, "Gakken / Konami", "Jungler (Gakken)", MACHINE_SUPPORTS_SAVE )