// license: GPL-2.0+ // copyright-holders: Kevin Thacker, Dirk Best, Phill Harvey-Smith // thanks-to: Chris Coxall, Andrew Dunipace /****************************************************************************** Tatung Einstein TODO: - Einstein 256 support (need bios dump) ******************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/z80daisy.h" #include "machine/z80daisy_generic.h" #include "bus/centronics/ctronics.h" #include "bus/einstein/pipe/pipe.h" #include "bus/einstein/userport/userport.h" #include "bus/rs232/rs232.h" #include "machine/adc0844.h" #include "machine/clock.h" #include "machine/i8251.h" #include "machine/ram.h" #include "machine/rescap.h" #include "machine/timer.h" #include "machine/wd_fdc.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "video/tms9928a.h" #include "sound/ay8910.h" #include "screen.h" #include "softlist.h" #include "speaker.h" /*************************************************************************** CONSTANTS ***************************************************************************/ #define VERBOSE_KEYBOARD 0 #define VERBOSE_DISK 0 #define XTAL_X001 XTAL(10'738'635) #define XTAL_X002 XTAL(8'000'000) #define IC_I001 "i001" /* Z8400A */ #define IC_I030 "i030" /* AY-3-8910 */ #define IC_I038 "i038" /* TMM9129 */ #define IC_I042 "i042" /* WD1770-PH */ #define IC_I050 "i050" /* ADC0844CCN */ #define IC_I058 "i058" /* Z8430A */ #define IC_I060 "i060" /* uPD8251A */ #define IC_I063 "i063" /* Z8420A */ /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ class einstein_state : public driver_device { public: einstein_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, IC_I001), m_keyboard_daisy(*this, "keyboard_daisy"), m_adc_daisy(*this, "adc_daisy"), m_fire_daisy(*this, "fire_daisy"), m_pipe(*this, "pipe"), m_fdc(*this, IC_I042), m_ram(*this, RAM_TAG), m_psg(*this, IC_I030), m_centronics(*this, "centronics"), m_strobe_timer(*this, "strobe"), m_bios(*this, "bios"), m_bank1(*this, "bank1"), m_bank2(*this, "bank2"), m_bank3(*this, "bank3"), m_floppy{ { *this, IC_I042 ":0" }, { *this, IC_I042 ":1" }, { *this, IC_I042 ":2" }, { *this, IC_I042 ":3" } }, m_line(*this, "LINE%u", 0), m_extra(*this, "EXTRA"), m_buttons(*this, "BUTTONS"), m_rom_enabled(0), m_keyboard_line(0), m_keyboard_data(0xff), m_centronics_busy(0), m_centronics_perror(0), m_centronics_fault(0), m_strobe(-1), m_int(0) {} DECLARE_INPUT_CHANGED_MEMBER(joystick_button); TIMER_DEVICE_CALLBACK_MEMBER(keyboard_timer_callback); DECLARE_WRITE8_MEMBER(keyboard_line_write); DECLARE_READ8_MEMBER(keyboard_data_read); DECLARE_READ8_MEMBER(reset_r); DECLARE_WRITE8_MEMBER(reset_w); DECLARE_READ8_MEMBER(rom_r); DECLARE_WRITE8_MEMBER(rom_w); template DECLARE_WRITE_LINE_MEMBER(int_w); DECLARE_READ8_MEMBER(kybint_msk_r); DECLARE_WRITE8_MEMBER(kybint_msk_w); DECLARE_WRITE8_MEMBER(adcint_msk_w); DECLARE_WRITE8_MEMBER(fireint_msk_w); DECLARE_WRITE8_MEMBER(drsel_w); DECLARE_WRITE_LINE_MEMBER(write_centronics_busy); DECLARE_WRITE_LINE_MEMBER(write_centronics_perror); DECLARE_WRITE_LINE_MEMBER(write_centronics_fault); DECLARE_WRITE_LINE_MEMBER(ardy_w); TIMER_DEVICE_CALLBACK_MEMBER(strobe_callback); void einstein(machine_config &config); void einstein_io(address_map &map); void einstein_mem(address_map &map); protected: virtual void machine_start() override; virtual void machine_reset() override; private: void einstein_scan_keyboard(); required_device m_maincpu; required_device m_keyboard_daisy; required_device m_adc_daisy; required_device m_fire_daisy; required_device m_pipe; required_device m_fdc; required_device m_ram; required_device m_psg; required_device m_centronics; required_device m_strobe_timer; required_memory_region m_bios; required_memory_bank m_bank1; required_memory_bank m_bank2; required_memory_bank m_bank3; required_device m_floppy[4]; required_ioport_array<8> m_line; required_ioport m_extra; required_ioport m_buttons; int m_rom_enabled; uint8_t m_keyboard_line; uint8_t m_keyboard_data; int m_centronics_busy; int m_centronics_perror; int m_centronics_fault; int m_strobe; int m_int; }; /*************************************************************************** KEYBOARD ***************************************************************************/ INPUT_CHANGED_MEMBER( einstein_state::joystick_button ) { int button_down = (m_buttons->read() & 0x03) != 0x03; m_fire_daisy->int_w(button_down ? ASSERT_LINE : CLEAR_LINE); } /* refresh keyboard data. It is refreshed when the keyboard line is written */ void einstein_state::einstein_scan_keyboard() { uint8_t data = 0xff; if (!BIT(m_keyboard_line, 0)) data &= m_line[0]->read(); if (!BIT(m_keyboard_line, 1)) data &= m_line[1]->read(); if (!BIT(m_keyboard_line, 2)) data &= m_line[2]->read(); if (!BIT(m_keyboard_line, 3)) data &= m_line[3]->read(); if (!BIT(m_keyboard_line, 4)) data &= m_line[4]->read(); if (!BIT(m_keyboard_line, 5)) data &= m_line[5]->read(); if (!BIT(m_keyboard_line, 6)) data &= m_line[6]->read(); if (!BIT(m_keyboard_line, 7)) data &= m_line[7]->read(); m_keyboard_data = data; } TIMER_DEVICE_CALLBACK_MEMBER( einstein_state::keyboard_timer_callback ) { /* re-scan keyboard */ einstein_scan_keyboard(); if (m_keyboard_data != 0xff) m_keyboard_daisy->int_w(ASSERT_LINE); } WRITE8_MEMBER( einstein_state::keyboard_line_write ) { if (VERBOSE_KEYBOARD) logerror("einstein_keyboard_line_write: %02x\n", data); m_keyboard_line = data; /* re-scan the keyboard */ einstein_scan_keyboard(); } READ8_MEMBER( einstein_state::keyboard_data_read ) { /* re-scan the keyboard */ einstein_scan_keyboard(); if (VERBOSE_KEYBOARD) logerror("einstein_keyboard_data_read: %02x\n", m_keyboard_data); return m_keyboard_data; } /*************************************************************************** FLOPPY DRIVES ***************************************************************************/ WRITE8_MEMBER(einstein_state::drsel_w) { if (VERBOSE_DISK) logerror("%s: drsel_w %02x\n", machine().describe_context(), data); floppy_image_device *floppy = nullptr; if (BIT(data, 0)) floppy = m_floppy[0]->get_device(); if (BIT(data, 1)) floppy = m_floppy[1]->get_device(); if (BIT(data, 2)) floppy = m_floppy[2]->get_device(); if (BIT(data, 3)) floppy = m_floppy[3]->get_device(); if (floppy) floppy->ss_w(BIT(data, 4)); m_fdc->set_floppy(floppy); } /*************************************************************************** CENTRONICS ***************************************************************************/ WRITE_LINE_MEMBER( einstein_state::write_centronics_busy ) { m_centronics_busy = state; } WRITE_LINE_MEMBER( einstein_state::write_centronics_perror ) { m_centronics_perror = state; } WRITE_LINE_MEMBER( einstein_state::write_centronics_fault ) { m_centronics_fault = state; } WRITE_LINE_MEMBER( einstein_state::ardy_w ) { if (m_strobe == 0 && state == 1) { m_centronics->write_strobe(1); m_strobe_timer->adjust(attotime::from_double(TIME_OF_74LS123(RES_K(10), CAP_N(1)))); } m_strobe = state; } TIMER_DEVICE_CALLBACK_MEMBER( einstein_state::strobe_callback ) { m_centronics->write_strobe(0); } /*************************************************************************** INTERRUPTS ***************************************************************************/ static const z80_daisy_config einstein_daisy_chain[] = { { "keyboard_daisy" }, { IC_I058 }, { "adc_daisy" }, { IC_I063 }, { "fire_daisy" }, { nullptr } }; template WRITE_LINE_MEMBER( einstein_state::int_w ) { int old = m_int; if (state) { m_int |= (1 << src); if (!old) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE); m_pipe->host_int_w(ASSERT_LINE); } } else { m_int &= ~(1 << src); if (old && !m_int) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE); m_pipe->host_int_w(CLEAR_LINE); } } } READ8_MEMBER( einstein_state::kybint_msk_r ) { uint8_t data = 0; // reading this port clears the keyboard interrupt m_keyboard_daisy->int_w(CLEAR_LINE); /* bit 0 and 1: fire buttons on the joysticks */ data |= m_buttons->read() & 0x03; /* bit 2 to 4: printer status */ data |= m_centronics_busy << 2; data |= m_centronics_perror << 3; data |= m_centronics_fault << 4; /* bit 5 to 7: graph, control and shift key */ data |= m_extra->read(); if(VERBOSE_KEYBOARD) logerror("%s: kybint_msk_r %02x\n", machine().describe_context(), data); return data; } WRITE8_MEMBER( einstein_state::kybint_msk_w ) { logerror("KEY interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); m_keyboard_daisy->mask_w(BIT(data, 0)); } WRITE8_MEMBER( einstein_state::adcint_msk_w ) { logerror("ADC interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); m_adc_daisy->mask_w(BIT(data, 0)); } WRITE8_MEMBER( einstein_state::fireint_msk_w ) { logerror("FIRE interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); m_fire_daisy->mask_w(BIT(data, 0)); } /*************************************************************************** MACHINE EMULATION ***************************************************************************/ READ8_MEMBER( einstein_state::rom_r ) { m_rom_enabled ^= 1; m_bank1->set_entry(m_rom_enabled); return 0xff; } WRITE8_MEMBER( einstein_state::rom_w ) { m_rom_enabled ^= 1; m_bank1->set_entry(m_rom_enabled); } READ8_MEMBER( einstein_state::reset_r ) { m_psg->reset(); m_fdc->reset(); return 0xff; } WRITE8_MEMBER( einstein_state::reset_w ) { m_psg->reset(); m_fdc->reset(); } void einstein_state::machine_start() { // initialize memory mapping m_bank1->configure_entry(0, m_ram->pointer()); m_bank1->configure_entry(1, m_bios->base()); m_bank2->set_base(m_ram->pointer()); m_bank3->set_base(m_ram->pointer() + 0x8000); // setup expansion slot m_pipe->set_program_space(&m_maincpu->space(AS_PROGRAM)); m_pipe->set_io_space(&m_maincpu->space(AS_IO)); } void einstein_state::machine_reset() { // rom enabled on reset m_rom_enabled = 1; m_bank1->set_entry(m_rom_enabled); // interrupt mask enabled m_keyboard_daisy->mask_w(1); m_adc_daisy->mask_w(1); m_fire_daisy->mask_w(1); m_strobe = -1; } /*************************************************************************** ADDRESS MAPS ***************************************************************************/ void einstein_state::einstein_mem(address_map &map) { map(0x0000, 0x07fff).bankr("bank1").bankw("bank2"); map(0x8000, 0x0ffff).bankrw("bank3"); } // I/O ports are decoded into 8 blocks using address lines A3 to A7 void einstein_state::einstein_io(address_map &map) { map.unmap_value_high(); map(0x00, 0x00).mirror(0xff04).rw(this, FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w)); map(0x02, 0x02).mirror(0xff04).rw(m_psg, FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w)); map(0x03, 0x03).mirror(0xff04).w(m_psg, FUNC(ay8910_device::data_w)); map(0x08, 0x08).mirror(0xff06).rw("vdp", FUNC(tms9129_device::vram_read), FUNC(tms9129_device::vram_write)); map(0x09, 0x09).mirror(0xff06).rw("vdp", FUNC(tms9129_device::register_read), FUNC(tms9129_device::register_write)); map(0x10, 0x10).mirror(0xff06).rw(IC_I060, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); map(0x11, 0x11).mirror(0xff06).rw(IC_I060, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); map(0x18, 0x1b).mirror(0xff04).rw(m_fdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write)); map(0x20, 0x20).mirror(0xff00).rw(this, FUNC(einstein_state::kybint_msk_r), FUNC(einstein_state::kybint_msk_w)); map(0x21, 0x21).mirror(0xff00).w(this, FUNC(einstein_state::adcint_msk_w)); map(0x23, 0x23).mirror(0xff00).w(this, FUNC(einstein_state::drsel_w)); map(0x24, 0x24).mirror(0xff00).rw(this, FUNC(einstein_state::rom_r), FUNC(einstein_state::rom_w)); map(0x25, 0x25).mirror(0xff00).w(this, FUNC(einstein_state::fireint_msk_w)); map(0x28, 0x2b).mirror(0xff04).rw(IC_I058, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); map(0x30, 0x33).mirror(0xff04).rw(IC_I063, FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); map(0x38, 0x38).mirror(0xff07).rw("adc", FUNC(adc0844_device::read), FUNC(adc0844_device::write)); } /*************************************************************************** INPUT PORTS ***************************************************************************/ static INPUT_PORTS_START( einstein ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_LALT) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_F1) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR(0xA3) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(0xBA) PORT_CHAR(0xBD) // is \xBA correct for double vertical bar || ? PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('@') PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('-') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UP") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_START("LINE6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_START("LINE7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_START("EXTRA") PORT_BIT(0x1f, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("GRPH") PORT_CODE(KEYCODE_F8) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CONTROL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // fire buttons for analogue joysticks PORT_START("BUTTONS") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Joystick 1 Button 1") PORT_PLAYER(1) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, nullptr) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Joystick 2 Button 1") PORT_PLAYER(2) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, nullptr) PORT_BIT(0xfc, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("analogue_1_x") PORT_BIT(0xff, 0x80, IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(100) PORT_CENTERDELTA(100) PORT_MINMAX(0,0xff) PORT_PLAYER(1) PORT_CODE_DEC(KEYCODE_4_PAD) PORT_CODE_INC(KEYCODE_6_PAD) PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH) PORT_START("analogue_1_y") PORT_BIT(0xff, 0x80, IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(100) PORT_CENTERDELTA(100) PORT_MINMAX(0,0xff) PORT_PLAYER(1) PORT_CODE_DEC(KEYCODE_8_PAD) PORT_CODE_INC(KEYCODE_2_PAD) PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH) PORT_REVERSE PORT_START("analogue_2_x") PORT_BIT(0xff, 0x80, IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(100) PORT_CENTERDELTA(100) PORT_MINMAX(0,0xff) PORT_PLAYER(2) PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH) PORT_START("analogue_2_y") PORT_BIT(0xff, 0x80, IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(100) PORT_CENTERDELTA(100) PORT_MINMAX(0,0xff) PORT_PLAYER(2) PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH) PORT_REVERSE INPUT_PORTS_END /*************************************************************************** MACHINE DRIVERS ***************************************************************************/ static void einstein_floppies(device_slot_interface &device) { device.option_add("3ss", TEAC_FD_30A); device.option_add("3ds", FLOPPY_3_DSDD); device.option_add("525ssqd", FLOPPY_525_SSQD); device.option_add("525qd", FLOPPY_525_QD); device.option_add("35ssdd", FLOPPY_35_SSDD); device.option_add("35dd", FLOPPY_35_DD); } MACHINE_CONFIG_START(einstein_state::einstein) /* basic machine hardware */ MCFG_DEVICE_ADD(IC_I001, Z80, XTAL_X002 / 2) MCFG_DEVICE_PROGRAM_MAP(einstein_mem) MCFG_DEVICE_IO_MAP(einstein_io) MCFG_Z80_DAISY_CHAIN(einstein_daisy_chain) /* this is actually clocked at the system clock 4 MHz, but this would be too fast for our driver. So we update at 50Hz and hope this is good enough. */ MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard", einstein_state, keyboard_timer_callback, attotime::from_hz(50)) MCFG_DEVICE_ADD(IC_I063, Z80PIO, XTAL_X002 / 2) MCFG_Z80PIO_OUT_INT_CB(WRITELINE(*this, einstein_state, int_w<0>)) MCFG_Z80PIO_OUT_PA_CB(WRITE8("cent_data_out", output_latch_device, write)) MCFG_Z80PIO_OUT_ARDY_CB(WRITELINE(*this, einstein_state, ardy_w)) MCFG_Z80PIO_IN_PB_CB(READ8("user", einstein_userport_device, read)) MCFG_Z80PIO_OUT_PB_CB(WRITE8("user", einstein_userport_device, write)) MCFG_Z80PIO_OUT_BRDY_CB(WRITELINE("user", einstein_userport_device, brdy_w)) MCFG_DEVICE_ADD(IC_I058, Z80CTC, XTAL_X002 / 2) MCFG_Z80CTC_INTR_CB(WRITELINE(*this, einstein_state, int_w<1>)) MCFG_Z80CTC_ZC0_CB(WRITELINE(IC_I060, i8251_device, write_txc)) MCFG_Z80CTC_ZC1_CB(WRITELINE(IC_I060, i8251_device, write_rxc)) MCFG_Z80CTC_ZC2_CB(WRITELINE(IC_I058, z80ctc_device, trg3)) MCFG_CLOCK_ADD("ctc_trigger", XTAL_X002 / 4) MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(IC_I058, z80ctc_device, trg0)) MCFG_DEVCB_CHAIN_OUTPUT(WRITELINE(IC_I058, z80ctc_device, trg1)) MCFG_DEVCB_CHAIN_OUTPUT(WRITELINE(IC_I058, z80ctc_device, trg2)) /* Einstein daisy chain support for non-Z80 devices */ MCFG_Z80DAISY_GENERIC_ADD("keyboard_daisy", 0xf7) MCFG_Z80DAISY_GENERIC_INT_CB(WRITELINE(*this, einstein_state, int_w<2>)) MCFG_Z80DAISY_GENERIC_ADD("adc_daisy", 0xfb) MCFG_Z80DAISY_GENERIC_INT_CB(WRITELINE(*this, einstein_state, int_w<3>)) MCFG_Z80DAISY_GENERIC_ADD("fire_daisy", 0xfd) MCFG_Z80DAISY_GENERIC_INT_CB(WRITELINE(*this, einstein_state, int_w<4>)) /* video hardware */ MCFG_DEVICE_ADD("vdp", TMS9129, XTAL(10'738'635) / 2) MCFG_TMS9928A_VRAM_SIZE(0x4000) // 16k RAM, provided by IC i040 and i041 MCFG_TMS9928A_SET_SCREEN("screen") MCFG_TMS9928A_SCREEN_ADD_PAL("screen") MCFG_SCREEN_UPDATE_DEVICE("vdp", tms9129_device, screen_update) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD(IC_I030, AY8910, XTAL_X002 / 4) MCFG_AY8910_PORT_B_READ_CB(READ8(*this, einstein_state, keyboard_data_read)) MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(*this, einstein_state, keyboard_line_write)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.20) MCFG_ADC0844_ADD("adc") MCFG_ADC0844_INTR_CB(WRITELINE("adc_daisy", z80daisy_generic_device, int_w)) MCFG_ADC0844_CH1_CB(IOPORT("analogue_1_x")) MCFG_ADC0844_CH2_CB(IOPORT("analogue_1_y")) MCFG_ADC0844_CH3_CB(IOPORT("analogue_2_x")) MCFG_ADC0844_CH4_CB(IOPORT("analogue_2_y")) /* printer */ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer") MCFG_CENTRONICS_ACK_HANDLER(WRITELINE(IC_I063, z80pio_device, strobe_a)) MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(*this, einstein_state, write_centronics_busy)) MCFG_CENTRONICS_PERROR_HANDLER(WRITELINE(*this, einstein_state, write_centronics_perror)) MCFG_CENTRONICS_FAULT_HANDLER(WRITELINE(*this, einstein_state, write_centronics_fault)) MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics") MCFG_TIMER_DRIVER_ADD("strobe", einstein_state, strobe_callback) // uart MCFG_DEVICE_ADD(IC_I060, I8251, XTAL_X002 / 4) MCFG_I8251_TXD_HANDLER(WRITELINE("rs232", rs232_port_device, write_txd)) MCFG_I8251_RTS_HANDLER(WRITELINE("rs232", rs232_port_device, write_rts)) MCFG_I8251_DTR_HANDLER(WRITELINE("rs232", rs232_port_device, write_dtr)) // rs232 port MCFG_DEVICE_ADD("rs232", RS232_PORT, default_rs232_devices, nullptr) MCFG_RS232_RXD_HANDLER(WRITELINE(IC_I060, i8251_device, write_rxd)) MCFG_RS232_DSR_HANDLER(WRITELINE(IC_I060, i8251_device, write_dsr)) MCFG_RS232_CTS_HANDLER(WRITELINE(IC_I060, i8251_device, write_cts)) // floppy MCFG_WD1770_ADD(IC_I042, XTAL_X002) MCFG_FLOPPY_DRIVE_ADD(IC_I042 ":0", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD(IC_I042 ":1", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD(IC_I042 ":2", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD(IC_I042 ":3", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats) /* software lists */ MCFG_SOFTWARE_LIST_ADD("disk_list","einstein") /* RAM is provided by 8k DRAM ICs i009, i010, i011, i012, i013, i014, i015 and i016 */ /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") // tatung pipe connector MCFG_TATUNG_PIPE_ADD("pipe") MCFG_TATUNG_PIPE_NMI_HANDLER(INPUTLINE(IC_I001, INPUT_LINE_NMI)) // user port MCFG_EINSTEIN_USERPORT_ADD("user") MCFG_EINSTEIN_USERPORT_BSTB_HANDLER(WRITELINE(IC_I063, z80pio_device, strobe_b)) MACHINE_CONFIG_END /*************************************************************************** ROM DEFINITIONS ***************************************************************************/ /* There are two sockets, i023 and i024, each either a 2764 or 27128 * only i023 is used by default and fitted with the 8k bios (called MOS). * * We are missing dumps of version MOS 1.1, possibly of 1.0 if it exists. */ ROM_START( einstein ) ROM_REGION(0x8000, "bios", 0) /* i023 */ ROM_SYSTEM_BIOS(0, "mos12", "MOS 1.2") ROMX_LOAD("mos12.i023", 0, 0x2000, CRC(ec134953) SHA1(a02125d8ebcda48aa784adbb42a8b2d7ef3a4b77), ROM_BIOS(1)) ROM_SYSTEM_BIOS(1, "mos121", "MOS 1.21") ROMX_LOAD("mos121.i023", 0, 0x2000, CRC(a746eeb6) SHA1(f75aaaa777d0fd92225acba291f6bf428b341d3e), ROM_BIOS(2)) ROM_RELOAD(0x2000, 0x2000) /* i024 */ ROM_FILL(0x4000, 0x4000, 0xff) ROM_END ROM_START( einst256 ) ROM_REGION(0x8000, "bios", 0) ROM_LOAD("tc256.rom", 0x0000, 0x4000, BAD_DUMP CRC(ef8dad88) SHA1(eb2102d3bef572db7161c26a7c68a5fcf457b4d0) ) ROM_END /*************************************************************************** GAME DRIVERS ***************************************************************************/ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1984, einstein, 0, 0, einstein, einstein, einstein_state, empty_init, "Tatung", "Einstein TC-01", 0 ) COMP( 1986, einst256, 0, 0, einstein, einstein, einstein_state, empty_init, "Tatung", "Einstein 256", MACHINE_NOT_WORKING )