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Diffstat (limited to 'src/mame/drivers/einstein.cpp')
-rw-r--r-- | src/mame/drivers/einstein.cpp | 1050 |
1 files changed, 0 insertions, 1050 deletions
diff --git a/src/mame/drivers/einstein.cpp b/src/mame/drivers/einstein.cpp deleted file mode 100644 index dc157b6bf0d..00000000000 --- a/src/mame/drivers/einstein.cpp +++ /dev/null @@ -1,1050 +0,0 @@ -// license: GPL-2.0+ -// copyright-holders: Kevin Thacker, Dirk Best, Phill Harvey-Smith, Nigel Barnes -// thanks-to: Chris Coxall, Andrew Dunipace -/****************************************************************************** - - Tatung Einstein - - TODO: Einstein 256 - - interrupt priorities - - VAMP interface (probably never used) - - ******************************************************************************/ - -#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 "imagedev/cassette.h" -#include "imagedev/floppy.h" -#include "imagedev/snapquik.h" -#include "machine/adc0844.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 "video/v9938.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 10.738635_MHz_XTAL -#define XTAL_X002 8_MHz_XTAL - -#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_vdp_daisy(*this, "vdp_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 ":%u", 0), - m_cassette(*this, "cassette"), - m_line(*this, "LINE%u", 0), - m_extra(*this, "EXTRA"), - m_buttons(*this, "BUTTONS"), - m_porta_joy(*this, "PORTA_JOY"), - m_portb_joy(*this, "PORTB_JOY"), - m_dips(*this, "DIPS"), - m_alpha_lock_led(*this, "alpha_lock_led"), - m_rom_enabled(0), - m_keyboard_line(0), m_keyboard_data(0xff), - m_centronics_ack(0), m_centronics_busy(0), m_centronics_perror(0), m_centronics_fault(0), m_strobe(-1), - m_int(0) - {} - - void einstein(machine_config &config); - void einst256(machine_config &config); - - DECLARE_INPUT_CHANGED_MEMBER(joystick_button); - - DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; - -private: - TIMER_DEVICE_CALLBACK_MEMBER(keyboard_timer_callback); - void keyboard_line_write(uint8_t data); - uint8_t keyboard_data_read(); - uint8_t reset_r(); - void reset_w(uint8_t data); - uint8_t rom_r(); - void rom_w(uint8_t data); - template <int src> DECLARE_WRITE_LINE_MEMBER(int_w); - uint8_t kybint_msk_r(); - void kybint_msk_w(uint8_t data); - void adcint_msk_w(uint8_t data); - void fireint_msk_w(uint8_t data); - void evdpint_msk_w(uint8_t data); - void drsel_w(uint8_t data); - DECLARE_WRITE_LINE_MEMBER(write_centronics_ack); - 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); - - uint8_t system_r(); - uint8_t porta_r(); - void porta_w(uint8_t data); - void porta_int_w(uint8_t data); - uint8_t portb_r(); - void portb_w(uint8_t data); - uint8_t pseudo_adc_r(); - void pseudo_adc_w(uint8_t data); - uint8_t alpha_lock_r(); - void alpha_lock_w(uint8_t data); - - void einstein_io(address_map &map); - void einstein_mem(address_map &map); - void einst256_io(address_map &map); - - void einstein_scan_keyboard(); - - required_device<z80_device> m_maincpu; - required_device<z80daisy_generic_device> m_keyboard_daisy; - required_device<z80daisy_generic_device> m_adc_daisy; - required_device<z80daisy_generic_device> m_fire_daisy; - optional_device<z80daisy_generic_device> m_vdp_daisy; - optional_device<tatung_pipe_device> m_pipe; - required_device<wd1770_device> m_fdc; - required_device<ram_device> m_ram; - required_device<ay8910_device> m_psg; - required_device<centronics_device> m_centronics; - required_device<timer_device> m_strobe_timer; - required_memory_region m_bios; - required_memory_bank m_bank1; - required_memory_bank m_bank2; - required_memory_bank m_bank3; - optional_device_array<floppy_connector, 4> m_floppy; - optional_device<cassette_image_device> m_cassette; - required_ioport_array<8> m_line; - required_ioport m_extra; - optional_ioport m_buttons; - optional_ioport m_porta_joy; - optional_ioport m_portb_joy; - optional_ioport m_dips; - output_finder<> m_alpha_lock_led; - - int m_rom_enabled; - - uint8_t m_keyboard_line; - uint8_t m_keyboard_data; - uint8_t m_porta_int; - uint8_t m_pseudo_adc; - - int m_centronics_ack; - int m_centronics_busy; - int m_centronics_perror; - int m_centronics_fault; - int m_strobe; - int m_alpha_lock; - - int m_int; -}; - - -/*************************************************************************** - KEYBOARD -***************************************************************************/ - -INPUT_CHANGED_MEMBER( einstein_state::joystick_button ) -{ - int button_down; - if (m_buttons) - button_down = (m_buttons->read() & 0x03) != 0x03; - else - button_down = (m_porta_joy->read() & m_portb_joy->read() & 0x10) != 0x10; - - 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); -} - -void einstein_state::keyboard_line_write(uint8_t data) -{ - if (VERBOSE_KEYBOARD) - logerror("einstein_keyboard_line_write: %02x\n", data); - - m_keyboard_line = data; - - /* re-scan the keyboard */ - einstein_scan_keyboard(); -} - -uint8_t 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 -***************************************************************************/ - -void einstein_state::drsel_w(uint8_t data) -{ - 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] ? m_floppy[0]->get_device() : nullptr; - if (BIT(data, 1)) floppy = m_floppy[1] ? m_floppy[1]->get_device() : nullptr; - if (BIT(data, 2)) floppy = m_floppy[2] ? m_floppy[2]->get_device() : nullptr; - if (BIT(data, 3)) floppy = m_floppy[3] ? m_floppy[3]->get_device() : nullptr; - - if (floppy) - floppy->ss_w(BIT(data, 4)); - - m_fdc->set_floppy(floppy); -} - - -/*************************************************************************** - CENTRONICS -***************************************************************************/ - -WRITE_LINE_MEMBER(einstein_state::write_centronics_ack) -{ - m_centronics_ack = state; -} - -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 } -}; - -static const z80_daisy_config einst256_daisy_chain[] = -{ - { "keyboard_daisy" }, - { IC_I058 }, - { "adc_daisy" }, - { "vdp_daisy" }, - { "fire_daisy" }, - { nullptr } -}; - -template <int src> 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); - if (m_pipe) 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); - if (m_pipe) m_pipe->host_int_w(CLEAR_LINE); - } - } -} - -uint8_t 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 */ - if (m_buttons) - data |= m_buttons->read() & 0x03; - else - data |= (m_portb_joy->read() & 0x10) >> 4 | (m_porta_joy->read() & 0x10) >> 3; - - /* 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; -} - -void einstein_state::kybint_msk_w(uint8_t data) -{ - logerror("KEY interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); - m_keyboard_daisy->mask_w(BIT(data, 0)); -} - -void einstein_state::adcint_msk_w(uint8_t data) -{ - logerror("ADC interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); - m_adc_daisy->mask_w(BIT(data, 0)); -} - -void einstein_state::fireint_msk_w(uint8_t data) -{ - logerror("FIRE interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); - m_fire_daisy->mask_w(BIT(data, 0)); -} - -void einstein_state::evdpint_msk_w(uint8_t data) -{ - logerror("EVDP interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled"); - logerror("Printer STROBE %s\n", BIT(data, 1) ? "disabled" : "enabled"); - m_vdp_daisy->mask_w(BIT(data, 0)); -} - - -/*************************************************************************** - MACHINE EMULATION -***************************************************************************/ - -uint8_t einstein_state::rom_r() -{ - if (!machine().side_effects_disabled()) - { - m_rom_enabled ^= 1; - m_bank1->set_entry(m_rom_enabled); - } - - return 0xff; -} - -void einstein_state::rom_w(uint8_t data) -{ - m_rom_enabled ^= 1; - m_bank1->set_entry(m_rom_enabled); -} - -uint8_t einstein_state::reset_r() -{ - m_psg->reset(); - m_fdc->reset(); - - return 0xff; -} - -void einstein_state::reset_w(uint8_t data) -{ - m_psg->reset(); - m_fdc->reset(); -} - -void einstein_state::machine_start() -{ - m_alpha_lock_led.resolve(); - - // 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); - - // register save states - save_item(NAME(m_rom_enabled)); -} - -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; - - // enable Alpha Lock LED - m_alpha_lock = 1; - m_alpha_lock_led = 1; -} - - -/*************************************************************************** - 256 MACHINE EMULATION -***************************************************************************/ - -uint8_t einstein_state::system_r() -{ - uint8_t data = 0; - - // b0 1 = Alpha Lock key pressed - data |= !BIT(m_line[0]->read(), 4); - // b1 1 = ROM enabled - data |= m_rom_enabled << 1; - // b2 Dipswitch 1 - // b3 Dipswitch 2 - // b4 Dipswitch 3 - // b5 Dipswitch 4 - data |= (m_dips->read() & 0x0f) << 2; - // b6 0 = mouse connected - data |= 0x40; - // b7 cassette input - data |= (m_cassette->input() > 0.0 ? 1 : 0) << 7; - - return data; -} - -uint8_t einstein_state::porta_r() -{ - uint8_t data = 0; - - data |= m_porta_joy->read() & 0x1f; - data |= m_centronics_perror << 5; - data |= m_centronics_fault << 6; - - return data; -} - -void einstein_state::porta_w(uint8_t data) -{ - m_centronics->write_data0(BIT(data, 0)); - m_centronics->write_data1(BIT(data, 1)); - m_centronics->write_data2(BIT(data, 2)); - m_centronics->write_data3(BIT(data, 3)); - m_centronics->write_strobe(BIT(data, 4)); -} - -void einstein_state::porta_int_w(uint8_t data) -{ - // TODO: Implement Port A interrupts (not used for printing!) - logerror("Port A interrupt %s\n", BIT(data, 7) ? "enabled" : "disabled"); - m_porta_int = data; -} - -uint8_t einstein_state::portb_r() -{ - uint8_t data = 0; - - data |= m_portb_joy->read() & 0x1f; - data |= m_centronics_busy << 5; - data |= m_centronics_ack << 6; - - return data; -} - -void einstein_state::portb_w(uint8_t data) -{ - m_centronics->write_data4(BIT(data, 0)); - m_centronics->write_data5(BIT(data, 1)); - m_centronics->write_data6(BIT(data, 2)); - m_centronics->write_data7(BIT(data, 3)); -} - -uint8_t einstein_state::pseudo_adc_r() -{ - uint8_t data = 0x7f; // centre - - uint8_t port = BIT(m_pseudo_adc, 1) ? m_porta_joy->read() : m_portb_joy->read(); - - m_adc_daisy->int_w(CLEAR_LINE); - - switch (m_pseudo_adc & 0x05) - { - case 4: - switch (port & 0x0c) - { - case 0x04: data = 0xff; break; // right - case 0x08: data = 0x00; break; // left - } - break; - case 5: - switch (port & 0x03) - { - case 0x01: data = 0x00; break; // down - case 0x02: data = 0xff; break; // up - } - break; - } - return data; -} - -void einstein_state::pseudo_adc_w(uint8_t data) -{ - m_pseudo_adc = data; - m_adc_daisy->int_w(ASSERT_LINE); -} - -uint8_t einstein_state::alpha_lock_r() -{ - if (!machine().side_effects_disabled()) - { - m_alpha_lock ^= 1; - m_alpha_lock_led = m_alpha_lock; - } - return 0xff; -} - -void einstein_state::alpha_lock_w(uint8_t data) -{ - m_alpha_lock ^= 1; - m_alpha_lock_led = m_alpha_lock; -} - - -/*************************************************************************** - 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, 0x01).mirror(0xff04).rw(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, 0x09).mirror(0xff06).rw("vdp", FUNC(tms9129_device::read), FUNC(tms9129_device::write)); - map(0x10, 0x11).mirror(0xff06).rw(IC_I060, FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0x18, 0x1b).mirror(0xff04).rw(m_fdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write)); - map(0x20, 0x20).mirror(0xff00).rw(FUNC(einstein_state::kybint_msk_r), FUNC(einstein_state::kybint_msk_w)); - map(0x21, 0x21).mirror(0xff00).w(FUNC(einstein_state::adcint_msk_w)); - map(0x23, 0x23).mirror(0xff00).w(FUNC(einstein_state::drsel_w)); - map(0x24, 0x24).mirror(0xff00).rw(FUNC(einstein_state::rom_r), FUNC(einstein_state::rom_w)); - map(0x25, 0x25).mirror(0xff00).w(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)); -} - -void einstein_state::einst256_io(address_map &map) -{ - map.unmap_value_high(); - map(0x00, 0x01).mirror(0xff04).rw(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, 0x0b).mirror(0xff04).rw("v9938", FUNC(v9938_device::read), FUNC(v9938_device::write)); - map(0x10, 0x11).mirror(0xff06).rw(IC_I060, FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0x18, 0x1b).mirror(0xff04).rw(m_fdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write)); - map(0x20, 0x20).mirror(0xff00).rw(FUNC(einstein_state::kybint_msk_r), FUNC(einstein_state::kybint_msk_w)); - map(0x21, 0x21).mirror(0xff00).w(FUNC(einstein_state::adcint_msk_w)); - map(0x22, 0x22).mirror(0xff00).rw(FUNC(einstein_state::alpha_lock_r), FUNC(einstein_state::alpha_lock_w)); - map(0x23, 0x23).mirror(0xff00).w(FUNC(einstein_state::drsel_w)); - map(0x24, 0x24).mirror(0xff00).rw(FUNC(einstein_state::rom_r), FUNC(einstein_state::rom_w)); - map(0x25, 0x25).mirror(0xff00).w(FUNC(einstein_state::fireint_msk_w)); - map(0x26, 0x26).mirror(0xff00).r(FUNC(einstein_state::system_r)); - map(0x28, 0x2b).mirror(0xff04).rw(IC_I058, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); - map(0x30, 0x30).mirror(0xff00).rw(FUNC(einstein_state::porta_r), FUNC(einstein_state::porta_w)); - map(0x31, 0x31).mirror(0xff00).w(FUNC(einstein_state::porta_int_w)); - map(0x32, 0x32).mirror(0xff00).rw(FUNC(einstein_state::portb_r), FUNC(einstein_state::portb_w)); - map(0x38, 0x38).mirror(0xff07).rw(FUNC(einstein_state::pseudo_adc_r), FUNC(einstein_state::pseudo_adc_w)); - map(0x80, 0x80).mirror(0xff00).w(FUNC(einstein_state::evdpint_msk_w)); -} - - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -static INPUT_PORTS_START( keyboard ) - 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_UNUSED) - 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("F7") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F7)) - 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) -INPUT_PORTS_END - -static INPUT_PORTS_START( einstein ) - PORT_INCLUDE(keyboard) - - // 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, 0) - 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, 0) - 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 - -static INPUT_PORTS_START( einst256 ) - PORT_INCLUDE(keyboard) - - PORT_MODIFY("LINE0") - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ALPHA LOCK") PORT_CODE(KEYCODE_CAPSLOCK) - - PORT_START("PORTA_JOY") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(1) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(1) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, 0) - - PORT_START("PORTB_JOY") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(2) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, 0) - - PORT_START("DIPS") - PORT_DIPNAME(0x01, 0x00, "Line Standard") PORT_DIPLOCATION("S:1") - PORT_DIPSETTING(0x00, "525 lines 60Hz") - PORT_DIPSETTING(0x01, "625 lines 50Hz") - PORT_DIPNAME(0x02, 0x00, "Printer") PORT_DIPLOCATION("S:2") - PORT_DIPSETTING(0x00, "Parallel") - PORT_DIPSETTING(0x02, "Serial") - PORT_DIPNAME(0x0c, 0x00, "Language") PORT_DIPLOCATION("S:3,4") - PORT_DIPSETTING(0x00, "English (ISO646)") - PORT_DIPSETTING(0x04, "ASCII") - PORT_DIPSETTING(0x08, "German") - PORT_DIPSETTING(0x0c, "Spanish") -INPUT_PORTS_END - - -/*************************************************************************** - QUICKLOAD -***************************************************************************/ - -QUICKLOAD_LOAD_MEMBER(einstein_state::quickload_cb) -{ - address_space& prog_space = m_maincpu->space(AS_PROGRAM); - - if (image.length() >= 0xfd00) - return image_init_result::FAIL; - - /* disable rom */ - m_rom_enabled = 0; - m_bank1->set_entry(m_rom_enabled); - - /* load image */ - uint16_t quickload_size = image.length(); - for (uint16_t i = 0; i < quickload_size; i++) - { - uint8_t data; - - if (image.fread(&data, 1) != 1) - return image_init_result::FAIL; - prog_space.write_byte(i + 0x100, data); - } - - /* start program */ - m_maincpu->set_pc(0x100); - - return image_init_result::PASS; -} - - -/*************************************************************************** - 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); -} - -void einstein_state::einstein(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL_X002 / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &einstein_state::einstein_mem); - m_maincpu->set_addrmap(AS_IO, &einstein_state::einstein_io); - m_maincpu->set_daisy_config(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. */ - TIMER(config, "keyboard").configure_periodic(FUNC(einstein_state::keyboard_timer_callback), attotime::from_hz(50)); - - z80pio_device& pio(Z80PIO(config, IC_I063, XTAL_X002 / 2)); - pio.out_int_callback().set(FUNC(einstein_state::int_w<0>)); - pio.out_pa_callback().set("cent_data_out", FUNC(output_latch_device::write)); - pio.out_ardy_callback().set(FUNC(einstein_state::ardy_w)); - pio.in_pb_callback().set("user", FUNC(einstein_userport_device::read)); - pio.out_pb_callback().set("user", FUNC(einstein_userport_device::write)); - pio.out_brdy_callback().set("user", FUNC(einstein_userport_device::brdy_w)); - - z80ctc_device& ctc(Z80CTC(config, IC_I058, XTAL_X002 / 2)); - ctc.intr_callback().set(FUNC(einstein_state::int_w<1>)); - ctc.set_clk<0>(XTAL_X002 / 4); - ctc.set_clk<1>(XTAL_X002 / 4); - ctc.set_clk<2>(XTAL_X002 / 4); - ctc.zc_callback<0>().set(IC_I060, FUNC(i8251_device::write_txc)); - ctc.zc_callback<1>().set(IC_I060, FUNC(i8251_device::write_rxc)); - ctc.zc_callback<2>().set(IC_I058, FUNC(z80ctc_device::trg3)); - - /* Einstein daisy chain support for non-Z80 devices */ - Z80DAISY_GENERIC(config, m_keyboard_daisy, 0xf7); - m_keyboard_daisy->int_handler().set(FUNC(einstein_state::int_w<2>)); - Z80DAISY_GENERIC(config, m_adc_daisy, 0xfb); - m_adc_daisy->int_handler().set(FUNC(einstein_state::int_w<3>)); - Z80DAISY_GENERIC(config, m_fire_daisy, 0xfd); - m_fire_daisy->int_handler().set(FUNC(einstein_state::int_w<4>)); - - /* video hardware */ - tms9129_device &vdp(TMS9129(config, "vdp", 10.738635_MHz_XTAL)); - vdp.set_screen("screen"); - vdp.set_vram_size(0x4000); // 16k RAM, provided by IC i040 and i041 - SCREEN(config, "screen", SCREEN_TYPE_RASTER); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - AY8910(config, m_psg, XTAL_X002 / 4); - m_psg->port_b_read_callback().set(FUNC(einstein_state::keyboard_data_read)); - m_psg->port_a_write_callback().set(FUNC(einstein_state::keyboard_line_write)); - m_psg->add_route(ALL_OUTPUTS, "mono", 0.20); - - adc0844_device &adc(ADC0844(config, "adc")); - adc.intr_callback().set(m_adc_daisy, FUNC(z80daisy_generic_device::int_w)); - adc.ch1_callback().set_ioport("analogue_1_x"); - adc.ch2_callback().set_ioport("analogue_1_y"); - adc.ch3_callback().set_ioport("analogue_2_x"); - adc.ch4_callback().set_ioport("analogue_2_y"); - - /* printer */ - CENTRONICS(config, m_centronics, centronics_devices, "printer"); - m_centronics->ack_handler().set(IC_I063, FUNC(z80pio_device::strobe_a)); - m_centronics->busy_handler().set(FUNC(einstein_state::write_centronics_busy)); - m_centronics->perror_handler().set(FUNC(einstein_state::write_centronics_perror)); - m_centronics->fault_handler().set(FUNC(einstein_state::write_centronics_fault)); - - output_latch_device ¢_data_out(OUTPUT_LATCH(config, "cent_data_out")); - m_centronics->set_output_latch(cent_data_out); - - TIMER(config, m_strobe_timer).configure_generic(FUNC(einstein_state::strobe_callback)); - - /* uart */ - i8251_device &ic_i060(I8251(config, IC_I060, XTAL_X002 / 4)); - ic_i060.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd)); - ic_i060.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts)); - ic_i060.dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr)); - - /* rs232 port */ - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr)); - rs232.rxd_handler().set(IC_I060, FUNC(i8251_device::write_rxd)); - rs232.dsr_handler().set(IC_I060, FUNC(i8251_device::write_dsr)); - rs232.cts_handler().set(IC_I060, FUNC(i8251_device::write_cts)); - - /* floppy */ - WD1770(config, m_fdc, XTAL_X002); - - FLOPPY_CONNECTOR(config, IC_I042 ":0", einstein_floppies, "3ss", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, IC_I042 ":1", einstein_floppies, "3ss", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, IC_I042 ":2", einstein_floppies, "525qd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, IC_I042 ":3", einstein_floppies, "525qd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - - /* software lists */ - SOFTWARE_LIST(config, "disk_list").set_original("einstein").set_filter("TC01"); - - quickload_image_device &quickload(QUICKLOAD(config, "quickload", "com", attotime::from_seconds(2))); - quickload.set_load_callback(FUNC(einstein_state::quickload_cb)); - quickload.set_interface("einstein_quik"); - - /* RAM is provided by 8k DRAM ICs i009, i010, i011, i012, i013, i014, i015 and i016 */ - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("64K"); - - /* tatung pipe connector */ - TATUNG_PIPE(config, m_pipe, XTAL_X002 / 2, tatung_pipe_cards, nullptr); - m_pipe->set_program_space(m_maincpu, AS_PROGRAM); - m_pipe->set_io_space(m_maincpu, AS_IO); - m_pipe->nmi_handler().set_inputline(IC_I001, INPUT_LINE_NMI); - - /* user port */ - EINSTEIN_USERPORT(config, "user").bstb_handler().set(IC_I063, FUNC(z80pio_device::strobe_b)); -} - -void einstein_state::einst256(machine_config &config) -{ - einstein(config); - - /* remove components not present in TC256 */ - config.device_remove(IC_I063); - config.device_remove("vdp"); - config.device_remove("adc"); - config.device_remove(IC_I042 ":2"); - config.device_remove(IC_I042 ":3"); - config.device_remove("pipe"); - config.device_remove("user"); - - /* basic machine hardware */ - m_maincpu->set_addrmap(AS_IO, &einstein_state::einst256_io); - m_maincpu->set_daisy_config(einst256_daisy_chain); - - Z80DAISY_GENERIC(config, m_vdp_daisy, 0xfe); - m_vdp_daisy->int_handler().set(FUNC(einstein_state::int_w<5>)); - - /* video hardware */ - v9938_device &v9938(V9938(config, "v9938", 21.477272_MHz_XTAL)); - v9938.set_screen("screen"); - v9938.set_vram_size(0x30000); - v9938.int_cb().set(m_vdp_daisy, FUNC(z80daisy_generic_device::int_w)); - - /* printer */ - m_centronics->ack_handler().set(FUNC(einstein_state::write_centronics_ack)); - - /* cassette */ - CASSETTE(config, m_cassette); - - /* software lists */ - subdevice<software_list_device>("disk_list")->set_filter("256"); -} - - -/*************************************************************************** - 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", ROMREGION_ERASEFF) - /* i023 */ - ROM_SYSTEM_BIOS(0, "mos12", "MOS 1.2") - ROMX_LOAD("mos12.i023", 0x0000, 0x2000, CRC(ec134953) SHA1(a02125d8ebcda48aa784adbb42a8b2d7ef3a4b77), ROM_BIOS(0)) - ROM_SYSTEM_BIOS(1, "mos121", "MOS 1.21") - ROMX_LOAD("mos121.i023", 0x0000, 0x2000, CRC(a746eeb6) SHA1(f75aaaa777d0fd92225acba291f6bf428b341d3e), ROM_BIOS(1)) - ROM_RELOAD(0x2000, 0x2000) -ROM_END - -ROM_START( einst256 ) - ROM_REGION(0x8000, "bios", ROMREGION_ERASEFF) - /* i008 */ - ROM_LOAD("mos21.i008", 0x0000, 0x4000, CRC(d1bb5efc) SHA1(9168df70af6746c88748049d1b9d119a29e605de) ) -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, einst256, einst256, einstein_state, empty_init, "Tatung", "Einstein 256", 0 ) |