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@ -1,9 +1,24 @@
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// license:GPL-2.0+
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// copyright-holders:Peter Trauner
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// copyright-holders:Peter Trauner, hap
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/******************************************************************************
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PeT mess@utanet.at September 2000
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chess champion mk II
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Commodore Chessmate / Novag Chess Champion MK II
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Initial version by PeT mess@utanet.at September 2000.
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Driver mostly rewritten later.
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The hardware is pretty similar to KIM-1. In fact, the chess engine is Peter R. Jennings's
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Microchess, originally made for the KIM-1. Jennings went on to co-found Personal Software
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(later named VisiCorp, known for VisiCalc).
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Jennings also licensed Chessmate to Novag, and they released it as the MK II. Funnily
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enough, MK I had a stronger program. The hardware is almost identical, and the software
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is the same(identical ROM labels). 2 designs were made, one jukebox shape, and one brick
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shape. The one in MAME came from the jukebox, it's assumed both are the same game.
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TODO:
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- XTAL is unknown, result frequency of 1MHz is correct
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*******************************************************************************
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MOS MPS 6504 2179
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MOS MPS 6530 024 1879
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@ -12,231 +27,246 @@ MOS MPS 6530 024 1879
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0x1380-0x13bf ram
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0x1400-0x17ff rom
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2x2111 ram (256x4?)
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2*MPS6111 RAM (256x4)
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MOS MPS 6332 005 2179
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74145 bcd to decimal encoder (10 low active select lines)
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(7400)
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74145 bcd to decimal encoder
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4x 7 segment led display (each with dot)
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4x 7 segment led display
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4 single leds
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21 keys
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83, 84 contains display variables
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port a
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0..7 led output
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0..6 keyboard input
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port b
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0..5 outputs
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0 speaker out
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6 as chipselect used!?
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7 interrupt out?
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c4, c5, keyboard polling
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c0, c1, c2, c3 led output
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Usage:
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under the black keys are operations to be added as first sign
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black and white box are only changing the player
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for the computer to start as white
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switch to black (h enter)
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swap players (g enter)
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19 buttons (11 on brick model)
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******************************************************************************/
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#include "emu.h"
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#include "cpu/m6502/m6504.h"
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#include "machine/mos6530.h"
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#include "machine/timer.h"
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#include "sound/spkrdev.h"
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#include "sound/dac.h"
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#include "sound/volt_reg.h"
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#include "video/pwm.h"
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#include "speaker.h"
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#include "novag_mk2.lh"
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// internal artwork
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#include "novag_mk2.lh" // clickable
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namespace {
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class mk2_state : public driver_device
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{
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public:
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mk2_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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, m_maincpu(*this, "maincpu")
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, m_speaker(*this, "speaker")
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, m_miot(*this, "miot")
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, m_digits(*this, "digit%u", 0U)
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, m_leds(*this, "led%u", 0U)
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mk2_state(const machine_config &mconfig, device_type type, const char *tag) :
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driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_miot(*this, "miot"),
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m_display(*this, "display"),
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m_dac(*this, "dac"),
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m_inputs(*this, "IN.%u", 0)
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{ }
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// machine configs
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void mk2(machine_config &config);
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private:
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DECLARE_READ8_MEMBER(mk2_read_a);
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DECLARE_WRITE8_MEMBER(mk2_write_a);
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DECLARE_READ8_MEMBER(mk2_read_b);
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DECLARE_WRITE8_MEMBER(mk2_write_b);
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TIMER_DEVICE_CALLBACK_MEMBER(update_leds);
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void mk2_mem(address_map &map);
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DECLARE_INPUT_CHANGED_MEMBER(reset_button);
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protected:
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virtual void machine_start() override;
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uint8_t m_led_data[5];
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private:
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// devices/pointers
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required_device<cpu_device> m_maincpu;
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required_device<speaker_sound_device> m_speaker;
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required_device<mos6530_device> m_miot;
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output_finder<6> m_digits;
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output_finder<4> m_leds;
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required_device<pwm_display_device> m_display;
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required_device<dac_bit_interface> m_dac;
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optional_ioport_array<4> m_inputs;
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// address maps
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void main_map(address_map &map);
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// I/O handlers
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void update_display();
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DECLARE_WRITE8_MEMBER(control_w);
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DECLARE_WRITE8_MEMBER(digit_w);
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DECLARE_READ8_MEMBER(input_r);
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u8 m_inp_mux;
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u8 m_7seg_data;
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u8 m_led_data;
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};
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// only lower 12 address bits on bus!
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void mk2_state::mk2_mem(address_map &map)
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{
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map(0x0000, 0x01ff).ram(); // 2 2111, should be mirrored
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map(0x0b00, 0x0b0f).rw(m_miot, FUNC(mos6530_device::read), FUNC(mos6530_device::write));
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map(0x0b80, 0x0bbf).ram(); // rriot ram
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map(0x0c00, 0x0fff).rom(); // rriot rom
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map(0x1000, 0x1fff).rom();
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}
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static INPUT_PORTS_START( mk2 )
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PORT_START("EXTRA")
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PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NEW GAME") PORT_CODE(KEYCODE_F3) // seems to be direct wired to reset
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PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_F1)
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PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER)
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PORT_START("BLACK")
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PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black A Black") PORT_CODE(KEYCODE_A)
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PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black B Field") PORT_CODE(KEYCODE_B)
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PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black C Time?") PORT_CODE(KEYCODE_C)
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PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black D Time?") PORT_CODE(KEYCODE_D)
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PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black E Time off?") PORT_CODE(KEYCODE_E)
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PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black F LEVEL") PORT_CODE(KEYCODE_F)
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PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black G Swap") PORT_CODE(KEYCODE_G)
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PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black H White") PORT_CODE(KEYCODE_H)
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PORT_START("WHITE")
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PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 1") PORT_CODE(KEYCODE_1)
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PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 2") PORT_CODE(KEYCODE_2)
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PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 3") PORT_CODE(KEYCODE_3)
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PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 4") PORT_CODE(KEYCODE_4)
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PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 5") PORT_CODE(KEYCODE_5)
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PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 6") PORT_CODE(KEYCODE_6)
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PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 7") PORT_CODE(KEYCODE_7)
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PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 8") PORT_CODE(KEYCODE_8)
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INPUT_PORTS_END
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TIMER_DEVICE_CALLBACK_MEMBER(mk2_state::update_leds)
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{
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int i;
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for (i=0; i<4; i++)
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m_digits[i] = m_led_data[i];
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m_leds[0] = BIT(m_led_data[4], 3);
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m_leds[1] = BIT(m_led_data[4], 5);
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m_leds[2] = BIT(m_led_data[4], 4);
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m_leds[3] = BIT(~m_led_data[4], 4);
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m_led_data[0] = m_led_data[1] = m_led_data[2] = m_led_data[3] = m_led_data[4] = 0;
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}
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void mk2_state::machine_start()
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{
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m_digits.resolve();
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m_leds.resolve();
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// zerofill
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m_inp_mux = 0;
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m_7seg_data = 0;
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m_led_data = 0;
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// register for savestates
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save_item(NAME(m_inp_mux));
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save_item(NAME(m_7seg_data));
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save_item(NAME(m_led_data));
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}
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READ8_MEMBER( mk2_state::mk2_read_a )
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INPUT_CHANGED_MEMBER(mk2_state::reset_button)
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{
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int data = 0xff;
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int help = ioport("BLACK")->read() | ioport("WHITE")->read(); // looks like white and black keys are the same!
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// assume that NEW GAME button is tied to reset pin(s)
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m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? ASSERT_LINE : CLEAR_LINE);
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if (newval)
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m_miot->reset();
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}
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switch (m_miot->portb_out_get()&0x7)
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/******************************************************************************
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Devices, I/O
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******************************************************************************/
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// 6530 ports
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void mk2_state::update_display()
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{
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m_display->write_row(4, m_led_data);
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m_display->matrix_partial(0, 4, 1 << m_inp_mux, m_7seg_data);
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}
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WRITE8_MEMBER(mk2_state::control_w)
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{
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// d0-d2: 74145 to input mux/digit select
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m_inp_mux = data & 7;
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// 74145 Q7: speaker out
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m_dac->write(BIT(1 << m_inp_mux, 7));
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// d3-d5: leds (direct)
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m_led_data = data >> 3 & 7;
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update_display();
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// d6: chipselect used?
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// d7: IRQ out
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m_maincpu->set_input_line(M6502_IRQ_LINE, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE);
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}
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WRITE8_MEMBER(mk2_state::digit_w)
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{
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m_7seg_data = data;
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update_display();
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}
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READ8_MEMBER(mk2_state::input_r)
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{
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u8 data = 0;
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// multiplexed inputs (74145 Q4,Q5)
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if (m_inp_mux == 4 || m_inp_mux == 5)
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{
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case 4:
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if (BIT(help, 5)) data&=~0x1; //F
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if (BIT(help, 4)) data&=~0x2; //E
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if (BIT(help, 3)) data&=~0x4; //D
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if (BIT(help, 2)) data&=~0x8; // C
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if (BIT(help, 1)) data&=~0x10; // B
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if (BIT(help, 0)) data&=~0x20; // A
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break;
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case 5:
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if (BIT(ioport("EXTRA")->read(), 2)) data&=~0x8; // Enter
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if (BIT(ioport("EXTRA")->read(), 1)) data&=~0x10; // Clear
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if (BIT(help, 7)) data&=~0x20; // H
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if (BIT(help, 6)) data&=~0x40; // G
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break;
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// note that number/letter buttons are electronically the same
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u8 i = m_inp_mux - 4;
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data = m_inputs[i]->read() | m_inputs[i | 2]->read();
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}
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return data;
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return ~data;
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}
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WRITE8_MEMBER( mk2_state::mk2_write_a )
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/******************************************************************************
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Address Maps
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******************************************************************************/
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void mk2_state::main_map(address_map &map)
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{
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uint8_t temp = m_miot->portb_out_get();
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m_led_data[temp & 3] |= data;
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map.global_mask(0x1fff);
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map(0x0000, 0x00ff).mirror(0x100).ram();
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map(0x0b00, 0x0b0f).rw(m_miot, FUNC(mos6530_device::read), FUNC(mos6530_device::write));
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map(0x0b80, 0x0bbf).ram(); // 6530 RAM
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map(0x0c00, 0x0fff).rom(); // 6530 ROM
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map(0x1000, 0x1fff).rom();
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}
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READ8_MEMBER( mk2_state::mk2_read_b )
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{
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return 0xff&~0x40; // chip select mapped to pb6
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}
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/******************************************************************************
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Input Ports
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******************************************************************************/
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static INPUT_PORTS_START( mk2 )
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PORT_START("IN.0")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F) PORT_NAME("F / Skill Level")
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) PORT_NAME("E / Stop Clock")
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D) PORT_NAME("D / Display Time")
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_C) PORT_NAME("C / Chess Clock")
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_NAME("B / Board Verify")
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("A / White")
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PORT_START("IN.1")
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Clear")
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_NAME("H / Black")
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PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G) PORT_NAME("G / Game Moves")
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PORT_START("IN.2")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("6")
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("5")
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("4")
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("3")
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("2")
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("1")
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PORT_START("IN.3")
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("8")
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PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("7")
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PORT_START("RESET")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_N) PORT_CHANGED_MEMBER(DEVICE_SELF, mk2_state, reset_button, nullptr) PORT_NAME("New Game")
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INPUT_PORTS_END
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WRITE8_MEMBER( mk2_state::mk2_write_b )
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{
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if ((data & 0x06) == 0x06)
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m_speaker->level_w(BIT(data, 0));
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m_led_data[4] |= data;
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m_maincpu->set_input_line(M6502_IRQ_LINE, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE );
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}
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/******************************************************************************
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Machine Configs
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******************************************************************************/
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void mk2_state::mk2(machine_config &config)
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{
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/* basic machine hardware */
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M6504(config, m_maincpu, 1000000);
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m_maincpu->set_addrmap(AS_PROGRAM, &mk2_state::mk2_mem);
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config.m_minimum_quantum = attotime::from_hz(60);
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/* video hardware */
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config.set_default_layout(layout_novag_mk2);
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m_maincpu->set_addrmap(AS_PROGRAM, &mk2_state::main_map);
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MOS6530(config, m_miot, 1000000);
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m_miot->in_pa_callback().set(FUNC(mk2_state::mk2_read_a));
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m_miot->out_pa_callback().set(FUNC(mk2_state::mk2_write_a));
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m_miot->in_pb_callback().set(FUNC(mk2_state::mk2_read_b));
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m_miot->out_pb_callback().set(FUNC(mk2_state::mk2_write_b));
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m_miot->in_pa_callback().set(FUNC(mk2_state::input_r));
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m_miot->out_pa_callback().set(FUNC(mk2_state::digit_w));
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m_miot->out_pb_callback().set(FUNC(mk2_state::control_w));
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/* video hardware */
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PWM_DISPLAY(config, m_display).set_size(4+1, 8);
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m_display->set_segmask(0xf, 0x7f);
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config.set_default_layout(layout_novag_mk2);
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/* sound hardware */
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SPEAKER(config, "mono").front_center();
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SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50);
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TIMER(config, "led_timer").configure_periodic(FUNC(mk2_state::update_leds), attotime::from_hz(60));
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SPEAKER(config, "speaker").front_center();
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DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25);
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VOLTAGE_REGULATOR(config, "vref").add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
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}
|
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ROM_START(ccmk2)
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|
ROM_REGION(0x10000,"maincpu",0)
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ROM_LOAD("024_1879", 0x0c00, 0x0400, CRC(4f28c443) SHA1(e33f8b7f38e54d7a6e0f0763f2328cc12cb0eade))
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ROM_LOAD("005_2179", 0x1000, 0x1000, CRC(6f10991b) SHA1(90cdc5a15d9ad813ad20410f21081c6e3e481812)) // chess mate 7.5
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|
|
/******************************************************************************
|
|
|
|
|
ROM Definitions
|
|
|
|
|
******************************************************************************/
|
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|
ROM_START( ccmk2 )
|
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|
ROM_REGION( 0x10000, "maincpu", 0 )
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ROM_LOAD("6530_024", 0x0c00, 0x0400, CRC(4f28c443) SHA1(e33f8b7f38e54d7a6e0f0763f2328cc12cb0eade) )
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ROM_LOAD("6332_005", 0x1000, 0x1000, CRC(6f10991b) SHA1(90cdc5a15d9ad813ad20410f21081c6e3e481812) )
|
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ROM_END
|
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|
|
|
/***************************************************************************
|
|
|
|
|
|
|
|
|
|
Game driver(s)
|
|
|
|
|
|
|
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|
|
***************************************************************************/
|
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|
|
} // anonymous namespace
|
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|
|
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
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|
|
|
CONS( 1979, ccmk2, 0, 0, mk2, mk2, mk2_state, empty_init, "Novag", "Chess Champion: MK II", 0 )
|
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|
|
// second design sold (same computer/program?)
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
|
Drivers
|
|
|
|
|
******************************************************************************/
|
|
|
|
|
|
|
|
|
|
// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS
|
|
|
|
|
CONS( 1979, ccmk2, 0, 0, mk2, mk2, mk2_state, empty_init, "Novag", "Chess Champion: MK II", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
|
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|