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-rw-r--r--src/mame/drivers/sc2.cpp238
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diff --git a/src/mame/drivers/sc2.cpp b/src/mame/drivers/sc2.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ Schachcomputer SC2
+
+ Note:
+ The HW is very similar to Fidelity Chess Challenger series (see fidelz80.c)
+
+ 12/05/2009 Skeleton driver.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/z80pio.h"
+#include "sound/beep.h"
+#include "sc2.lh"
+
+class sc2_state : public driver_device
+{
+public:
+ sc2_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_beep(*this, "beeper")
+ ,
+ m_maincpu(*this, "maincpu") { }
+
+ required_device<beep_device> m_beep;
+ DECLARE_READ8_MEMBER(pio_port_a_r);
+ DECLARE_READ8_MEMBER(pio_port_b_r);
+ DECLARE_WRITE8_MEMBER(pio_port_a_w);
+ DECLARE_WRITE8_MEMBER(pio_port_b_w);
+ DECLARE_READ8_MEMBER(sc2_beep);
+ UINT8 m_kp_matrix;
+ UINT8 m_led_7seg_data[4];
+ UINT8 m_led_selected;
+ UINT8 m_digit_data;
+ UINT8 m_beep_state;
+ void sc2_update_display();
+ virtual void machine_start();
+ virtual void machine_reset();
+ required_device<cpu_device> m_maincpu;
+};
+
+READ8_MEMBER( sc2_state::sc2_beep )
+{
+ //if (!space.debugger_access())
+ {
+ m_beep_state = ~m_beep_state;
+
+ m_beep->set_state(m_beep_state);
+ }
+
+ return 0xff;
+}
+
+static ADDRESS_MAP_START(sc2_mem, AS_PROGRAM, 8, sc2_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x0000, 0x0fff ) AM_ROM
+ AM_RANGE( 0x1000, 0x13ff ) AM_RAM
+ AM_RANGE( 0x2000, 0x33ff ) AM_ROM
+ AM_RANGE( 0x3c00, 0x3c00 ) AM_READ(sc2_beep)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(sc2_io, AS_IO, 8, sc2_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x03) AM_MIRROR(0xfc) AM_DEVREADWRITE("z80pio", z80pio_device, read, write)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( sc2 )
+ PORT_START("LINE1")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_UNUSED
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
+
+ PORT_START("LINE2")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1") PORT_CODE(KEYCODE_1)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2") PORT_CODE(KEYCODE_2)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3") PORT_CODE(KEYCODE_3)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_4)
+
+ PORT_START("LINE3")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5") PORT_CODE(KEYCODE_5)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_6)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_7)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8)
+
+ PORT_START("LINE4")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("P") PORT_CODE(KEYCODE_O)
+INPUT_PORTS_END
+
+void sc2_state::machine_start()
+{
+ save_item(NAME(m_led_7seg_data));
+ save_item(NAME(m_kp_matrix));
+ save_item(NAME(m_led_selected));
+ save_item(NAME(m_digit_data));
+ save_item(NAME(m_beep_state));
+}
+
+void sc2_state::machine_reset()
+{
+ m_kp_matrix = 0;
+ m_led_selected = 0;
+ m_digit_data = 0;
+ m_beep_state = 0;
+ memset(m_led_7seg_data, 0, ARRAY_LENGTH(m_led_7seg_data));
+}
+
+void sc2_state::sc2_update_display()
+{
+ UINT8 digit_data = BITSWAP8( m_digit_data,7,0,1,2,3,4,5,6 ) & 0x7f;
+
+ if (!BIT(m_led_selected, 0))
+ {
+ output_set_digit_value(0, digit_data);
+ m_led_7seg_data[0] = digit_data;
+
+ output_set_led_value(0, BIT(m_digit_data, 7));
+ }
+
+ if (!BIT(m_led_selected, 1))
+ {
+ output_set_digit_value(1, digit_data);
+ m_led_7seg_data[1] = digit_data;
+
+ output_set_led_value(1, BIT(m_digit_data, 7));
+ }
+
+ if (!BIT(m_led_selected, 2))
+ {
+ output_set_digit_value(2, digit_data);
+ m_led_7seg_data[2] = digit_data;
+ }
+
+ if (!BIT(m_led_selected, 3))
+ {
+ output_set_digit_value(3, digit_data);
+ m_led_7seg_data[3] = digit_data;
+ }
+}
+
+READ8_MEMBER( sc2_state::pio_port_a_r )
+{
+ return m_digit_data;
+}
+
+READ8_MEMBER( sc2_state::pio_port_b_r )
+{
+ UINT8 data = m_led_selected & 0x0f;
+
+ if (BIT(m_kp_matrix, 0))
+ {
+ data |= ioport("LINE1")->read();
+ }
+
+ if (BIT(m_kp_matrix, 1))
+ {
+ data |= ioport("LINE2")->read();
+ }
+
+ if (BIT(m_kp_matrix, 2))
+ {
+ data |= ioport("LINE3")->read();
+ }
+
+ if (BIT(m_kp_matrix, 3))
+ {
+ data |= ioport("LINE4")->read();
+ }
+
+ return data;
+}
+
+WRITE8_MEMBER( sc2_state::pio_port_a_w )
+{
+ m_digit_data = data;
+}
+
+WRITE8_MEMBER( sc2_state::pio_port_b_w )
+{
+ if (data != 0xf1 && data != 0xf2 && data != 0xf4 && data != 0xf8)
+ {
+ m_led_selected = data;
+ sc2_update_display();
+ }
+ else
+ m_kp_matrix = data;
+}
+
+static MACHINE_CONFIG_START( sc2, sc2_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
+ MCFG_CPU_PROGRAM_MAP(sc2_mem)
+ MCFG_CPU_IO_MAP(sc2_io)
+
+
+ /* video hardware */
+ MCFG_DEFAULT_LAYOUT(layout_sc2)
+
+ /* devices */
+ MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_4MHz)
+ MCFG_Z80PIO_IN_PA_CB(READ8(sc2_state, pio_port_a_r))
+ MCFG_Z80PIO_OUT_PA_CB(WRITE8(sc2_state, pio_port_a_w))
+ MCFG_Z80PIO_IN_PB_CB(READ8(sc2_state, pio_port_b_r))
+ MCFG_Z80PIO_OUT_PB_CB(WRITE8(sc2_state, pio_port_b_w))
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO( "mono" )
+ MCFG_SOUND_ADD( "beeper", BEEP, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 0.50 )
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( sc2 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "bm008.bin", 0x0000, 0x0400, CRC(3023ea82) SHA1(07020d153d802c672c39e1af3c716dbe35e23f08))
+ ROM_LOAD( "bm009.bin", 0x0400, 0x0400, CRC(6a34814e) SHA1(e58ae6615297b028db135a48a8f9e186a4220f4f))
+ ROM_LOAD( "bm010.bin", 0x0800, 0x0400, CRC(deab0373) SHA1(81c9a7197eef8d9131e47ecd2ec35b943caee54e))
+ ROM_LOAD( "bm011.bin", 0x0c00, 0x0400, CRC(c8282339) SHA1(8d6b8861281e967a77609b6d77e80afd47d28ed2))
+ ROM_LOAD( "bm012.bin", 0x2000, 0x0400, CRC(2e6a4294) SHA1(7b9bd191c9ec73139a65c3a339ab88e1f3eb5ed2))
+ ROM_LOAD( "bm013.bin", 0x2400, 0x0400, CRC(3e02eb42) SHA1(2e4a9a8fd04c202c9518550d7e8cf9bfea394153))
+ ROM_LOAD( "bm014.bin", 0x2800, 0x0400, CRC(538d449e) SHA1(c4186995b69e97740e01eaff84a20d49d03d180f))
+ ROM_LOAD( "bm015.bin", 0x2c00, 0x0400, CRC(b4991dca) SHA1(6a6cdddf5c4afa24773acf693f58c34b99c8d328))
+ ROM_LOAD( "bm016.bin", 0x3000, 0x0400, CRC(4fe0853a) SHA1(c2253e320778b0ea468fb54f26ae83d07f9700e6))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1981, sc2, 0, 0, sc2, sc2, driver_device, 0, "VEB Mikroelektronik Erfurt", "Schachcomputer SC2", MACHINE_SUPPORTS_SAVE)