// license:BSD-3-Clause // copyright-holders:David Haywood /****************************************************************************************************************************** has a sticker marked Part # 04-0008 Main PCB w/ Dark-Slide Serial# : 0115 2x Z80 There were several different designs for this, it's possible they used different speech roms etc. ToDo: - work out how the cpus communicate (there's an interrupt handler in main cpu) - clear up the speech - inputs - mechanical matters (camera, printer, etc) At the moment it simply outputs all the speech strings, one after the other, then stops. *****************************************************************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/clock.h" #include "sound/dac.h" #include "sound/volt_reg.h" #include "speaker.h" class instantm_state : public driver_device { public: instantm_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } DECLARE_READ8_MEMBER(port01_r); DECLARE_WRITE8_MEMBER(port01_w); DECLARE_WRITE_LINE_MEMBER(clock_w); void instantm(machine_config &config); void main_map(address_map &map); void sub_io(address_map &map); void sub_map(address_map &map); private: u8 m_port01; bool m_clock_en; virtual void machine_start() override; virtual void machine_reset() override; required_device m_maincpu; }; // return instruction from main cpu READ8_MEMBER( instantm_state::port01_r ) { return m_port01; } // tell maincpu the speech is done WRITE8_MEMBER( instantm_state::port01_w ) { // bump to next bit of speech for now if ((m_port01 & 15) < 15) m_port01++; else m_clock_en = false; } // clock out the speech bytes WRITE_LINE_MEMBER( instantm_state::clock_w ) { if (m_clock_en) m_port01 ^= 0x80; } void instantm_state::main_map(address_map &map) { map(0x0000, 0x1fff).rom(); map(0x4000, 0x47ff).ram(); map(0x8000, 0x8000); //AM_WRITE map(0xc000, 0xc000); //AM_WRITE map(0xc400, 0xc400); //AM_WRITE map(0xc800, 0xc800); //AM_WRITE map(0xcc00, 0xcc00); //AM_WRITE map(0xec00, 0xec00); //AM_READ map(0xf000, 0xf000); //AM_READ map(0xf400, 0xf400); //AM_READ map(0xfc00, 0xfc00); //AM_READ } // doesn't use ram void instantm_state::sub_map(address_map &map) { map(0x0000, 0xffff).rom(); map(0x0000, 0x0000).w("dac", FUNC(dac_byte_interface::write)); } void instantm_state::sub_io(address_map &map) { map.global_mask(0xff); map(0x01, 0x01).rw(this, FUNC(instantm_state::port01_r), FUNC(instantm_state::port01_w)); } static INPUT_PORTS_START( instantm ) INPUT_PORTS_END void instantm_state::machine_start() { } void instantm_state::machine_reset() { m_port01 = 0xf0; // bit 4 low sends subcpu to a test mode m_clock_en = true; } // OSC1 = XTAL(3'579'545) MACHINE_CONFIG_START(instantm_state::instantm) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, XTAL(3'579'545)) MCFG_CPU_PROGRAM_MAP(main_map) MCFG_CPU_ADD("subcpu", Z80, XTAL(3'579'545)) MCFG_CPU_PROGRAM_MAP(sub_map) MCFG_CPU_IO_MAP(sub_io) // all guesswork MCFG_DEVICE_ADD("voice_clock", CLOCK, 24000) MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(instantm_state, clock_w)) MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", MC1408, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) MCFG_SOUND_ROUTE(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac", -1.0, DAC_VREF_NEG_INPUT) MACHINE_CONFIG_END ROM_START( instantm ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "system5.3beta.u16", 0x00000, 0x02000, CRC(a1701f4b) SHA1(fa5b0234bd2b666e478aa41129479bb6cec2bcf5) ) ROM_REGION( 0x10000, "subcpu", 0 ) ROM_LOAD( "speechus10.u20", 0x00000, 0x10000, CRC(1797bcee) SHA1(c6fb7fbe8592dfae3ba44b49b5ce447206515b77) ) ROM_END GAME( 199?, instantm, 0, instantm, instantm, instantm_state, 0, ROT0, "Capcom / Polaroid", "Polaroid Instant Memories", MACHINE_IS_SKELETON_MECHANICAL )