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-rw-r--r--src/mess/drivers/mk2.c229
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diff --git a/src/mess/drivers/mk2.c b/src/mess/drivers/mk2.c
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+/******************************************************************************
+ PeT mess@utanet.at September 2000
+
+chess champion mk II
+
+MOS MPS 6504 2179
+MOS MPS 6530 024 1879
+ layout of 6530 dumped with my adapter
+ 0x1300-0x133f io
+ 0x1380-0x13bf ram
+ 0x1400-0x17ff rom
+
+2x2111 ram (256x4?)
+MOS MPS 6332 005 2179
+74145 bcd to decimal encoder (10 low active select lines)
+(7400)
+
+4x 7 segment led display (each with dot)
+4 single leds
+21 keys
+
+
+83, 84 contains display variables
+
+
+port a
+ 0..7 led output
+ 0..6 keyboard input
+
+port b
+ 0..5 outputs
+ 0 speaker out
+ 6 as chipselect used!?
+ 7 interrupt out?
+
+ c4, c5, keyboard polling
+ c0, c1, c2, c3 led output
+
+Usage:
+
+ under the black keys are operations to be added as first sign
+ black and white box are only changing the player
+
+ for the computer to start as white
+ switch to black (h enter)
+ swap players (g enter)
+
+******************************************************************************/
+
+#include "emu.h"
+#include "machine/mos6530.h"
+#include "cpu/m6502/m6502.h"
+#include "sound/speaker.h"
+#include "mk2.lh"
+
+
+class mk2_state : public driver_device
+{
+public:
+ mk2_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_speaker(*this, SPEAKER_TAG),
+ m_miot(*this, "miot")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<device_t> m_speaker;
+ required_device<device_t> m_miot;
+ DECLARE_READ8_MEMBER(mk2_read_a);
+ DECLARE_WRITE8_MEMBER(mk2_write_a);
+ DECLARE_READ8_MEMBER(mk2_read_b);
+ DECLARE_WRITE8_MEMBER(mk2_write_b);
+ UINT8 m_led[5];
+};
+
+
+// only lower 12 address bits on bus!
+static ADDRESS_MAP_START(mk2_mem , AS_PROGRAM, 8, mk2_state)
+ ADDRESS_MAP_GLOBAL_MASK(0x1FFF) // m6504
+ AM_RANGE( 0x0000, 0x01ff) AM_RAM // 2 2111, should be mirrored
+ AM_RANGE( 0x0b00, 0x0b0f) AM_DEVREADWRITE_LEGACY("miot", mos6530_r, mos6530_w)
+ AM_RANGE( 0x0b80, 0x0bbf) AM_RAM // rriot ram
+ AM_RANGE( 0x0c00, 0x0fff) AM_ROM // rriot rom
+ AM_RANGE( 0x1000, 0x1fff) AM_ROM
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( mk2 )
+ PORT_START("EXTRA")
+ PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NEW GAME") PORT_CODE(KEYCODE_F3) // seems to be direct wired to reset
+ PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_F1)
+ PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER)
+ PORT_START("BLACK")
+ PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black A Black") PORT_CODE(KEYCODE_A)
+ PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black B Field") PORT_CODE(KEYCODE_B)
+ PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black C Time?") PORT_CODE(KEYCODE_C)
+ PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black D Time?") PORT_CODE(KEYCODE_D)
+ PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black E Time off?") PORT_CODE(KEYCODE_E)
+ PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black F LEVEL") PORT_CODE(KEYCODE_F)
+ PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black G Swap") PORT_CODE(KEYCODE_G)
+ PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Black H White") PORT_CODE(KEYCODE_H)
+ PORT_START("WHITE")
+ PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 1") PORT_CODE(KEYCODE_1)
+ PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 2") PORT_CODE(KEYCODE_2)
+ PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 3") PORT_CODE(KEYCODE_3)
+ PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 4") PORT_CODE(KEYCODE_4)
+ PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 5") PORT_CODE(KEYCODE_5)
+ PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 6") PORT_CODE(KEYCODE_6)
+ PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 7") PORT_CODE(KEYCODE_7)
+ PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("White 8") PORT_CODE(KEYCODE_8)
+INPUT_PORTS_END
+
+
+static TIMER_DEVICE_CALLBACK( update_leds )
+{
+ mk2_state *state = timer.machine().driver_data<mk2_state>();
+ int i;
+
+ for (i=0; i<4; i++)
+ output_set_digit_value(i, state->m_led[i]);
+
+ output_set_led_value(0, BIT(state->m_led[4], 3));
+ output_set_led_value(1, BIT(state->m_led[4], 5));
+ output_set_led_value(2, BIT(state->m_led[4], 4));
+ output_set_led_value(3, BIT(state->m_led[4], 4) ? 0 : 1);
+
+ state->m_led[0]= state->m_led[1]= state->m_led[2]= state->m_led[3]= state->m_led[4]= 0;
+}
+
+static MACHINE_START( mk2 )
+{
+}
+
+READ8_MEMBER( mk2_state::mk2_read_a )
+{
+ int data=0xff;
+ int help=ioport("BLACK")->read() | ioport("WHITE")->read(); // looks like white and black keys are the same!
+
+ switch (mos6530_portb_out_get(m_miot)&0x7)
+ {
+ case 4:
+ if (BIT(help, 5)) data&=~0x1; //F
+ if (BIT(help, 4)) data&=~0x2; //E
+ if (BIT(help, 3)) data&=~0x4; //D
+ if (BIT(help, 2)) data&=~0x8; // C
+ if (BIT(help, 1)) data&=~0x10; // B
+ if (BIT(help, 0)) data&=~0x20; // A
+ break;
+ case 5:
+ if (BIT(ioport("EXTRA")->read(), 2)) data&=~0x8; // Enter
+ if (BIT(ioport("EXTRA")->read(), 1)) data&=~0x10; // Clear
+ if (BIT(help, 7)) data&=~0x20; // H
+ if (BIT(help, 6)) data&=~0x40; // G
+ break;
+ }
+ return data;
+}
+
+WRITE8_MEMBER( mk2_state::mk2_write_a )
+{
+ UINT8 temp = mos6530_portb_out_get(m_miot);
+
+ m_led[temp & 3] |= data;
+}
+
+
+READ8_MEMBER( mk2_state::mk2_read_b )
+{
+ return 0xff&~0x40; // chip select mapped to pb6
+}
+
+
+WRITE8_MEMBER( mk2_state::mk2_write_b )
+{
+ if ((data&0x06) == 0x06)
+ speaker_level_w(m_speaker, BIT(data, 0));
+
+ m_led[4]|=data;
+
+ cputag_set_input_line(machine(), "maincpu", M6502_IRQ_LINE, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE );
+}
+
+static MOS6530_INTERFACE( mk2_mos6530_interface )
+{
+ DEVCB_DRIVER_MEMBER(mk2_state, mk2_read_a),
+ DEVCB_DRIVER_MEMBER(mk2_state, mk2_write_a),
+ DEVCB_DRIVER_MEMBER(mk2_state, mk2_read_b),
+ DEVCB_DRIVER_MEMBER(mk2_state, mk2_write_b)
+};
+
+
+static MACHINE_CONFIG_START( mk2, mk2_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M6502, 1000000) /* 6504 */
+ MCFG_CPU_PROGRAM_MAP(mk2_mem)
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ MCFG_MACHINE_START( mk2 )
+
+ /* video hardware */
+ MCFG_DEFAULT_LAYOUT(layout_mk2)
+
+ MCFG_MOS6530_ADD( "miot", 1000000, mk2_mos6530_interface )
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ MCFG_TIMER_ADD_PERIODIC("led_timer", update_leds, attotime::from_hz(60))
+MACHINE_CONFIG_END
+
+
+ROM_START(ccmk2)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_LOAD("024_1879", 0x0c00, 0x0400, CRC(4f28c443) SHA1(e33f8b7f38e54d7a6e0f0763f2328cc12cb0eade))
+ ROM_LOAD("005_2179", 0x1000, 0x1000, CRC(6f10991b) SHA1(90cdc5a15d9ad813ad20410f21081c6e3e481812)) // chess mate 7.5
+ROM_END
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
+CONS( 1979, ccmk2, 0, 0, mk2, mk2, driver_device, 0, "Quelle International", "Chess Champion MK II", 0)
+// second design sold (same computer/program?)