/
einstein.cpp
1077 lines (888 loc) · 37.9 KB
/
einstein.cpp
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// 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 "bus/centronics/ctronics.h"
#include "bus/einstein/pipe/pipe.h"
#include "bus/einstein/userport/userport.h"
#include "bus/generic/carts.h"
#include "bus/generic/slot.h"
#include "bus/rs232/rs232.h"
#include "imagedev/cassette.h"
#include "imagedev/floppy.h"
#include "imagedev/snapquik.h"
#include "cpu/z80/z80.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/z80daisy.h"
#include "machine/z80daisy_generic.h"
#include "machine/z80pio.h"
#include "sound/ay8910.h"
#include "video/tms9928a.h"
#include "video/v9938.h"
#include "screen.h"
#include "softlist_dev.h"
#include "speaker.h"
namespace {
/***************************************************************************
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_rom2(*this, "rom2"),
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> void int_w(int state);
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);
void write_centronics_ack(int state);
void write_centronics_busy(int state);
void write_centronics_perror(int state);
void write_centronics_fault(int state);
void ardy_w(int state);
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;
optional_device<generic_slot_device> m_rom2;
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
***************************************************************************/
void einstein_state::write_centronics_ack(int state)
{
m_centronics_ack = state;
}
void einstein_state::write_centronics_busy(int state)
{
m_centronics_busy = state;
}
void einstein_state::write_centronics_perror(int state)
{
m_centronics_perror = state;
}
void einstein_state::write_centronics_fault(int state)
{
m_centronics_fault = state;
}
void einstein_state::ardy_w(int state)
{
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>
void einstein_state::int_w(int state)
{
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()
{
// 2nd rom socket
if (m_rom2.found() && m_rom2->exists())
{
memcpy(m_bios->base() + 0x4000, m_rom2->get_rom_base(), m_rom2->get_rom_size());
}
// 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 std::make_pair(image_error::INVALIDLENGTH, std::string());
// disable ROM
m_rom_enabled = 0;
m_bank1->set_entry(m_rom_enabled);
// load image
uint16_t const quickload_size = image.length();
for (uint16_t i = 0; i < quickload_size; i++)
{
uint8_t data;
if (image.fread(&data, 1) != 1)
return std::make_pair(image_error::UNSPECIFIED, std::string());
prog_space.write_byte(i + 0x100, data);
}
// start program
m_maincpu->set_pc(0x100);
return std::make_pair(std::error_condition(), std::string());
}
/***************************************************************************
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_read_callback().set([]() { return 0xff; });
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);
/* 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));
/* 2nd rom socket I024 */
GENERIC_SOCKET(config, m_rom2, generic_linear_slot, "einstein_rom", "bin,rom");
/* software lists */
SOFTWARE_LIST(config, "disk_list").set_original("einstein").set_filter("TC01");
SOFTWARE_LIST(config, "rom_list").set_original("einstein_rom");
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");
}