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-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- Dolphin / Dauphin
-
- 2010-04-08 Skeleton driver.
- 2012-05-20 Fixed keyboard, added notes & speaker [Robbbert]
- 2013-11-03 Added cassette [Robbbert]
-
- Minimal Setup:
- 0000-00FF ROM "MO" (74S471)
- 0100-01FF ROM "MONI" (74S471)
- 0200-02FF RAM (2x 2112)
- 18 pushbuttons for programming (0-F, ADR, NXT).
- 4-digit LED display.
-
- Other options:
- 0400-07FF Expansion RAM (8x 2112)
- 0800-08FF Pulse for operation of an optional EPROM programmer
- 0C00-0FFF ROM "MONA" (2708)
- LEDs connected to all Address and Data Lines
- LEDs connected to WAIT and FLAG lines.
- Speaker with a LED wired across it.
- PAUSE switch.
- RUN/STOP switch.
- STEP switch.
- CLOCK switch.
-
- Cassette player connected to SENSE and FLAG lines.
-
- Keyboard encoder: AY-5-2376 (57 keys)
-
- CRT interface: (512 characters on a separate bus)
- 2114 video ram (one half holds the lower 4 data bits, other half the upper bits)
- 74LS175 holds the upper bits for the 74LS472
- 74LS472 Character Generator
-
- NOTE: a rom is missing, when the ADR button (- key) is pressed,
- it causes a freeze in nodebug mode, and a crash in debug mode.
- To see it, start in debug mode. g 6c. In the emulation, press the
- minus key. The debugger will stop and you can see an instruction
- referencing location 0100, which is in the missing rom.
-
- Keys:
- 0-9,A-F hexadecimal numbers
- UP - (NXT) to enter data and advance to the next address
- MINUS - (ADR) to change the address to what is shown in the data side
- Special keys:
- Hold UP, hold 0, release UP, release 0 - execute program at the current address (i.e. 2xx)
- Hold UP, hold 1, release UP, release 1 - execute program at address 0C00 (rom MONA)
- Hold UP, hold 2, release UP, release 2 - play a tune with the keys
- Hold UP, hold 3, release UP, release 3 - decrement the address by 2
- Hold MINUS, hold any hex key, release MINUS, release other key - execute program
- at the current address-0x100 (i.e. 1xx).
-
- If you want to scan through other areas of memory (e.g. the roms), alter the
- data at address 2F9 (high byte) and 2FA (low byte).
-
- How to Use:
- The red digits are the address, and the orange digits are the data.
- The address range is 200-2FF (the 2 isn't displayed). To select an address,
- either press the UP key until you get there, or type the address and press
- minus. The orange digits show the current data at that address. To alter
- data, just type it in and press UP.
-
- To play the reflexes game, hold UP, press 1, release UP, release 1.
- The display will show A--0 (or some random number in the last position).
- Press any odd-numbered key (B is convenient), and read off the reaction time.
- After a short delay it will show '--' again, this is the signal to react.
- It doesn't seem to reset the counters each time around.
-
- TODO:
- - Find missing roms
- - Add optional hardware listed above
- - Cassette is added, but no idea how to operate it.
-
- Thanks to Amigan site for various documents.
-
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/s2650/s2650.h"
-#include "imagedev/cassette.h"
-#include "machine/timer.h"
-#include "sound/spkrdev.h"
-#include "speaker.h"
-
-#include "dolphunk.lh"
-
-
-class dauphin_state : public driver_device
-{
-public:
- dauphin_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_speaker(*this, "speaker")
- , m_cass(*this, "cassette")
- , m_digits(*this, "digit%u", 0U)
- { }
-
- void dauphin(machine_config &config);
-
-private:
- DECLARE_READ_LINE_MEMBER(cass_r);
- DECLARE_READ8_MEMBER(port07_r);
- DECLARE_WRITE8_MEMBER(port00_w);
- DECLARE_WRITE8_MEMBER(port06_w);
- TIMER_DEVICE_CALLBACK_MEMBER(kansas_w);
- void dauphin_io(address_map &map);
- void dauphin_mem(address_map &map);
-
- uint8_t m_cass_data;
- uint8_t m_last_key;
- bool m_cassbit;
- bool m_cassold;
- bool m_speaker_state;
- virtual void machine_start() override { m_digits.resolve(); }
- required_device<s2650_device> m_maincpu;
- required_device<speaker_sound_device> m_speaker;
- required_device<cassette_image_device> m_cass;
- output_finder<4> m_digits;
-};
-
-READ_LINE_MEMBER( dauphin_state::cass_r )
-{
- return (m_cass->input() > 0.03) ? 1 : 0;
-}
-
-WRITE8_MEMBER( dauphin_state::port00_w )
-{
- m_digits[offset] = data;
-}
-
-WRITE8_MEMBER( dauphin_state::port06_w )
-{
- m_speaker_state ^=1;
- m_speaker->level_w(m_speaker_state);
-}
-
-READ8_MEMBER( dauphin_state::port07_r )
-{
- uint8_t keyin, i, data = 0x40;
-
- keyin = ioport("X0")->read();
- if (keyin != 0xff)
- for (i = 0; i < 8; i++)
- if (BIT(~keyin, i))
- data = i | 0xc0;
-
- keyin = ioport("X1")->read();
- if (keyin != 0xff)
- for (i = 0; i < 8; i++)
- if (BIT(~keyin, i))
- data = i | 0xc8;
-
- if (data == m_last_key)
- data &= 0x7f;
- else
- m_last_key = data;
-
- data |= ioport("X2")->read();
-
- return data;
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(dauphin_state::kansas_w)
-{
- m_cass_data++;
-
- if (m_cassbit != m_cassold)
- {
- m_cass_data = 0;
- m_cassold = m_cassbit;
- }
-
- if (m_cassbit)
- m_cass->output(BIT(m_cass_data, 1) ? -1.0 : +1.0); // 1000Hz
- else
- m_cass->output(BIT(m_cass_data, 0) ? -1.0 : +1.0); // 2000Hz
-}
-
-void dauphin_state::dauphin_mem(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x01ff).rom();
- map(0x0200, 0x02ff).ram();
- map(0x0c00, 0x0fff).rom();
-}
-
-void dauphin_state::dauphin_io(address_map &map)
-{
- map.unmap_value_high();
- map(0x00, 0x03).w(FUNC(dauphin_state::port00_w)); // 4-led display
- map(0x06, 0x06).w(FUNC(dauphin_state::port06_w)); // speaker (NOT a keyclick)
- map(0x07, 0x07).r(FUNC(dauphin_state::port07_r)); // pushbuttons
-}
-
-/* Input ports */
-static INPUT_PORTS_START( dauphin )
- PORT_START("X0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
-
- PORT_START("X1")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
-
- PORT_START("X2")
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("NXT") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ADR") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
-INPUT_PORTS_END
-
-
-void dauphin_state::dauphin(machine_config &config)
-{
- /* basic machine hardware */
- S2650(config, m_maincpu, XTAL(1'000'000));
- m_maincpu->set_addrmap(AS_PROGRAM, &dauphin_state::dauphin_mem);
- m_maincpu->set_addrmap(AS_IO, &dauphin_state::dauphin_io);
- m_maincpu->sense_handler().set(FUNC(dauphin_state::cass_r));
- m_maincpu->flag_handler().set([this] (bool state) { m_cassbit = state; });
-
- /* video hardware */
- config.set_default_layout(layout_dolphunk);
-
- /* sound hardware */
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 1.00);
-
- /* cassette */
- CASSETTE(config, m_cass);
- m_cass->add_route(ALL_OUTPUTS, "mono", 0.05);
- TIMER(config, "kansas_w").configure_periodic(FUNC(dauphin_state::kansas_w), attotime::from_hz(4000));
-}
-
-/* ROM definition */
-ROM_START( dauphin )
- ROM_REGION( 0x8000, "maincpu", 0 )
- ROM_LOAD( "dolphin_mo.rom", 0x0000, 0x0100, CRC(a8811f48) SHA1(233c629dc20fac286c8c1559e461bb0b742a675e) )
- // This one is used in winarcadia but it is a bad dump, we use the corrected one above
- //ROM_LOAD( "dolphin_mo.rom", 0x0000, 0x0100, BAD_DUMP CRC(1ac4ac18) SHA1(62a63de6fcd6cd5fcee930d31c73fe603647f06c) )
-
- ROM_LOAD( "dolphin_moni.rom", 0x0100, 0x0100, NO_DUMP )
-
- //ROM_LOAD_OPTIONAL( "dolphin_mona.rom", 0x0c00, 0x0400, NO_DUMP )
- // This rom is a bugfixed and relocated version of the game found on the Amigan site
- ROM_LOAD_OPTIONAL( "reflexes.bin", 0x0c00, 0x0400, CRC(14a1557d) SHA1(789d10551f1bb3472057901fa3cee0c6bfe220ac) )
- // This the original
- //ROM_LOAD( "reflexes.bin", 0x0c00, 0x0072, CRC(c4bed94b) SHA1(cf525755a1dbce6a4681353be692ddf0346f323b) )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1979, dauphin, 0, 0, dauphin, dauphin, dauphin_state, empty_init, "LCD EPFL Stoppani", "Dauphin", 0 )