// 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 "cpu/melps4/m58846.h" #include "machine/timer.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_inp_matrix(*this, "IN.%u", 0), m_out_x(*this, "%u.%u", 0U, 0U), m_out_a(*this, "%u.a", 0U), m_out_digit(*this, "digit%u", 0U), m_speaker(*this, "speaker"), m_display_wait(33), m_display_maxy(1), m_display_maxx(0) { } // devices required_device m_maincpu; optional_ioport_array<4> m_inp_matrix; // max 4 output_finder<0x20, 0x20> m_out_x; output_finder<0x20> m_out_a; output_finder<0x20> m_out_digit; optional_device m_speaker; // misc common u16 m_inp_mux; // multiplexed inputs mask u8 read_inputs(int columns); DECLARE_INPUT_CHANGED_MEMBER(reset_button); // display common int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms) int m_display_maxy; // display matrix number of rows int m_display_maxx; // display matrix number of columns (max 31 for now) u32 m_grid; // VFD current row data u32 m_plate; // VFD current column data u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on) u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments u8 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, u32 setx, u32 sety, bool update = true); protected: virtual void machine_start() override; virtual void machine_reset() override; }; // machine start/reset void hh_melps4_state::machine_start() { // resolve handlers m_out_x.resolve(); m_out_a.resolve(); m_out_digit.resolve(); // zerofill memset(m_display_state, 0, sizeof(m_display_state)); 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_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() { for (int y = 0; y < m_display_maxy; y++) { u32 active_state = 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 u32 ds = (m_display_decay[y][x] != 0) ? 1 : 0; active_state |= (ds << x); // output to y.x, or y.a when always-on if (x != m_display_maxx) m_out_x[y][x] = ds; else m_out_a[y] = ds; } // output to digity if (m_display_segmask[y] != 0) m_out_digit[y] = active_state & m_display_segmask[y]; } } 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, u32 setx, u32 sety, bool update) { set_display_size(maxx, maxy); // update current state u32 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 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_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); void cfrogger(machine_config &config); }; // handlers void cfrogger_state::prepare_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); 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 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 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, DEF_STR( Difficulty ) ) 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 MACHINE_CONFIG_START(cfrogger_state::cfrogger) /* 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 */ 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_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_melps4_state, display_decay_tick, attotime::from_msec(1)) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("speaker", SPEAKER_SOUND) 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); void gjungler(machine_config &config); }; // handlers void gjungler_state::prepare_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; 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 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 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 MACHINE_CONFIG_START(gjungler_state::gjungler) /* 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 */ 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_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_melps4_state, display_decay_tick, attotime::from_msec(1)) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("speaker", SPEAKER_SOUND) 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) ) 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, CRC(c5f6d1f2) SHA1(5032f35326ca689c8e329f760e380cdc9f5dff86) ) ROM_END // 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 )