summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/einstein.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/einstein.cpp')
-rw-r--r--src/mame/drivers/einstein.cpp1049
1 files changed, 0 insertions, 1049 deletions
diff --git a/src/mame/drivers/einstein.cpp b/src/mame/drivers/einstein.cpp
deleted file mode 100644
index 34d3543a652..00000000000
--- a/src/mame/drivers/einstein.cpp
+++ /dev/null
@@ -1,1049 +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 (quickload_size >= 0xfd00)
- return image_init_result::FAIL;
-
- /* disable rom */
- m_rom_enabled = 0;
- m_bank1->set_entry(m_rom_enabled);
-
- /* load image */
- 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 &cent_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_floppy_formats).enable_sound(true);
- FLOPPY_CONNECTOR(config, IC_I042 ":1", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats).enable_sound(true);
- FLOPPY_CONNECTOR(config, IC_I042 ":2", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats).enable_sound(true);
- FLOPPY_CONNECTOR(config, IC_I042 ":3", einstein_floppies, "525qd", floppy_image_device::default_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 )