// license:BSD-3-Clause // copyright-holders:hap /*************************************************************************** GI PIC16xx-driven dedicated handhelds or other simple devices. known chips: serial device etc. ----------------------------------------------------------- @036 1655A 1979, Ideal Maniac *061 1655A 1980, Lakeside Le Boom (have dump) *094 1655A 1980, GAF Melody Madness (have dump) *110 1650A 1979, Tiger Rocket Pinball *192 1650 19??, (a phone dialer, have dump) *255 1655 19??, (a talking clock, have dump) (* denotes not yet emulated by MAME, @ denotes it's in this driver) TODO: - it doesn't work, emu/cpu/pic16c5x needs some love (dev note: hack to make it playable: remove the TRIS masks) ***************************************************************************/ #include "emu.h" #include "cpu/pic16c5x/pic16c5x.h" #include "sound/speaker.h" #include "maniac.lh" class hh_pic16_state : public driver_device { public: hh_pic16_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 m_maincpu; optional_ioport_array<2> m_inp_matrix; // max 2 optional_device m_speaker; // misc common UINT8 m_b; // MCU port B data UINT8 m_c; // MCU port C data // 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_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_pic16_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_b = 0; m_c = 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_b)); save_item(NAME(m_c)); } void hh_pic16_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_pic16_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_pic16_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_pic16_state::set_display_size(int maxx, int maxy) { m_display_maxx = maxx; m_display_maxy = maxy; } void hh_pic16_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(); } /*************************************************************************** Minidrivers (subclass, I/O, Inputs, Machine Config) ***************************************************************************/ /*************************************************************************** Ideal Maniac, by Ralph Baer * PIC1655A-036 ***************************************************************************/ class maniac_state : public hh_pic16_state { public: maniac_state(const machine_config &mconfig, device_type type, const char *tag) : hh_pic16_state(mconfig, type, tag) { } DECLARE_WRITE8_MEMBER(output_w); }; // handlers WRITE8_MEMBER(maniac_state::output_w) { // B,C: outputs offset -= PIC16C5x_PORTB; if (offset) m_c = data; else m_b = data; // d7: speaker out m_speaker->level_w((m_b >> 7 & 1) | (m_c >> 6 & 2)); // d0-d6: 7seg m_display_segmask[offset] = 0x7f; m_display_state[offset] = ~data & 0x7f; set_display_size(7, 2); display_update(); } // config static INPUT_PORTS_START( maniac ) PORT_START("IN.0") // port A PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) // bottom-right PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) // upper-right PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) // bottom-left PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) // upper-left INPUT_PORTS_END static const INT16 maniac_speaker_levels[] = { 0, 0x7fff, -0x8000, 0 }; static MACHINE_CONFIG_START( maniac, maniac_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", PIC16C55, 850000) // RC osc. R=13.4K, C=470pf, but unknown RC curve - measured 800-890kHz MCFG_PIC16C5x_READ_A_CB(IOPORT("IN.0")) MCFG_PIC16C5x_WRITE_B_CB(WRITE8(maniac_state, output_w)) MCFG_PIC16C5x_WRITE_C_CB(WRITE8(maniac_state, output_w)) MCFG_PIC16C5x_SET_CONFIG(0) // ? MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_pic16_state, display_decay_tick, attotime::from_msec(1)) MCFG_DEFAULT_LAYOUT(layout_maniac) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SPEAKER_LEVELS(4, maniac_speaker_levels) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( maniac ) ROM_REGION( 0x0800, "maincpu", 0 ) ROM_LOAD( "pic1655a-036", 0x0000, 0x0400, CRC(a96f7011) SHA1(e97ae44d3c1e74c7e1024bb0bdab03eecdc9f827) ) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY, FULLNAME, FLAGS */ CONS( 1979, maniac, 0, 0, maniac, maniac, driver_device, 0, "Ideal", "Maniac", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING )