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Diffstat (limited to 'src/mame/drivers/mephisto_mm2.cpp')
-rw-r--r--src/mame/drivers/mephisto_mm2.cpp453
1 files changed, 453 insertions, 0 deletions
diff --git a/src/mame/drivers/mephisto_mm2.cpp b/src/mame/drivers/mephisto_mm2.cpp
new file mode 100644
index 00000000000..bb3d8c4b660
--- /dev/null
+++ b/src/mame/drivers/mephisto_mm2.cpp
@@ -0,0 +1,453 @@
+// license:LGPL-2.1+
+// copyright-holders:Dirk Verwiebe, Cowering
+/******************************************************************************
+ Mephisto 4 + 5 Chess Computer
+ 2007 Dirk V.
+
+CPU 65C02 P4
+Clock 4.9152 MHz
+NMI CLK 600 Hz
+IRQ Line is set to VSS
+8 KByte SRAM Sony CXK5864-15l
+
+1-CD74HC4060E 14 Bit Counter
+1-CD74HC166E
+1-CD74HC251E
+1-SN74HC138N TI
+1-SN74HC139N TI
+1-74HC14AP Toshiba
+1-74HC02AP Toshiba
+1-74HC00AP Toshiba
+1-CD74HC259E
+
+
+$0000-$1fff S-RAM
+$2000 LCD 4 Byte Shift Register writeonly right to left
+every 2nd char xor'd by $FF
+
+2c00-2c07 Keyboard (8to1 Multiplexer) 74HCT251
+2*8 Matrix
+Adr. 0x3407
+==0 !=0
+2c00 CL E5
+2c01 POS F6
+2c02 MEMO G7
+2c03 INFO A1
+2c04 LEV H8
+2c05 ENT B2
+2c06 >0 C3
+2c07 <9 D4
+
+$3400-$3407 LED 1-6, Buzzer, Keyboard select
+
+$2400 // Chess Board
+$2800 // Chess Board
+$3000 // Chess Board
+
+$4000-7FFF Opening Modul HG550
+$8000-$FFF ROM
+
+Mephisto 4 Turbo Kit 18mhz - (mm4tk)
+ This is a replacement rom combining the turbo kit initial rom with the original MM IV.
+ The Turbo Kit powers up to it's tiny rom, copies itself to ram, banks in normal rom,
+ copies that to faster SRAM, then patches the checksum and the LED blink delays.
+ If someone else wants to code up the power up banking, feel free
+
+ There is an undumped MM V Turbo Kit, which will be the exact same except for location of
+ the patches. The mm5tk just needs the normal mm5 ROM swapped out for that one to
+ blinks the LEDs a little slower.
+
+ -- Cowering (2011)
+
+***********************************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/m6502/m65c02.h"
+#include "machine/74259.h"
+#include "machine/mmboard.h"
+#include "machine/timer.h"
+#include "sound/dac.h"
+#include "sound/volt_reg.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+#include "speaker.h"
+
+// internal artwork
+#include "mephisto_mm2.lh"
+#include "mephisto_bup.lh"
+
+
+class mephisto_state : public driver_device
+{
+public:
+ mephisto_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_outlatch(*this, "outlatch")
+ , m_dac(*this, "dac")
+ , m_key1(*this, "KEY1_%u", 0U)
+ , m_key2(*this, "KEY2_%u", 0U)
+ , m_digits(*this, "digit%u", 0U)
+ { }
+
+ void rebel5(machine_config &config);
+ void mm4tk(machine_config &config);
+ void mm2(machine_config &config);
+ void bup(machine_config &config);
+ void mephisto(machine_config &config);
+
+private:
+ required_device<m65c02_device> m_maincpu;
+ required_device<hc259_device> m_outlatch;
+ required_device<dac_bit_interface> m_dac;
+ required_ioport_array<8> m_key1;
+ required_ioport_array<8> m_key2;
+ output_finder<4> m_digits;
+
+ DECLARE_WRITE8_MEMBER(write_lcd);
+ DECLARE_WRITE8_MEMBER(mephisto_NMI);
+ DECLARE_READ8_MEMBER(read_keys);
+ DECLARE_WRITE_LINE_MEMBER(write_led7);
+ uint8_t m_lcd_shift_counter;
+ uint8_t m_led7;
+ uint8_t m_allowNMI;
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+ TIMER_DEVICE_CALLBACK_MEMBER(update_nmi);
+ TIMER_DEVICE_CALLBACK_MEMBER(update_nmi_r5);
+ TIMER_DEVICE_CALLBACK_MEMBER(update_irq);
+
+ void mephisto_mem(address_map &map);
+ void mm2_mem(address_map &map);
+ void rebel5_mem(address_map &map);
+};
+
+
+WRITE8_MEMBER(mephisto_state::write_lcd)
+{
+ if (m_led7 == 0) m_digits[m_lcd_shift_counter] = data; // 0x109 MM IV // 0x040 MM V
+
+ //m_digits[m_lcd_shift_counter] = data ^ m_p_ram[0x165]; // 0x109 MM IV // 0x040 MM V
+ m_lcd_shift_counter--;
+ m_lcd_shift_counter &= 3;
+}
+
+WRITE8_MEMBER(mephisto_state::mephisto_NMI)
+{
+ m_allowNMI = 1;
+}
+
+READ8_MEMBER(mephisto_state::read_keys)
+{
+ uint8_t data = 0;
+
+ if (!m_outlatch->q7_r())
+ {
+ data = m_key1[offset]->read();
+ }
+ else
+ {
+ data = m_key2[offset]->read();
+ }
+
+ //logerror("Keyboard Port = %d-%d Data = %d\n ", !m_outlatch->q7_r() ? 0 : 1, offset, data);
+ return data | 0x7f;
+}
+
+WRITE_LINE_MEMBER(mephisto_state::write_led7)
+{
+ m_led7 = state ? 0x00 : 0xff;
+}
+
+void mephisto_state::rebel5_mem(address_map &map)
+{
+ map(0x0000, 0x1fff).ram(); // AM_BASE(m_p_ram)
+ map(0x2000, 0x2007).w("outlatch", FUNC(hc259_device::write_d7)); // Status LEDs+ buzzer
+ map(0x3000, 0x4000).r("board", FUNC(mephisto_board_device::input_r));
+ map(0x3000, 0x3007).r(FUNC(mephisto_state::read_keys)); // Rebel 5.0
+ map(0x5000, 0x5000).w(FUNC(mephisto_state::write_lcd));
+ map(0x6000, 0x6000).w("board", FUNC(mephisto_board_device::led_w));
+ map(0x7000, 0x7000).w("board", FUNC(mephisto_board_device::mux_w));
+ map(0x8000, 0xffff).rom();
+}
+
+
+void mephisto_state::mephisto_mem(address_map &map)
+{
+ map(0x0000, 0x1fff).ram(); //AM_BASE(m_p_ram)
+ map(0x2000, 0x2000).w(FUNC(mephisto_state::write_lcd));
+ map(0x2400, 0x2407).w("board", FUNC(mephisto_board_device::led_w));
+ map(0x2800, 0x2800).w("board", FUNC(mephisto_board_device::mux_w));
+ map(0x2c00, 0x2c07).r(FUNC(mephisto_state::read_keys));
+ map(0x3000, 0x3000).r("board", FUNC(mephisto_board_device::input_r));
+ map(0x3400, 0x3407).w("outlatch", FUNC(hc259_device::write_d7)); // Status LEDs+ buzzer
+ map(0x3800, 0x3800).w(FUNC(mephisto_state::mephisto_NMI)); // NMI enable
+ map(0x4000, 0x7fff).r("cartslot", FUNC(generic_slot_device::read_rom)); // Opening Library
+ map(0x8000, 0xffff).rom();
+}
+
+void mephisto_state::mm2_mem(address_map &map)
+{
+ map(0x0000, 0x0fff).ram(); //AM_BASE(m_p_ram)
+ map(0x1000, 0x1007).w("outlatch", FUNC(hc259_device::write_d7)); //Status LEDs
+ map(0x1800, 0x1807).r(FUNC(mephisto_state::read_keys));
+ map(0x2000, 0x2000).r("board", FUNC(mephisto_board_device::input_r));
+ map(0x2800, 0x2800).w(FUNC(mephisto_state::write_lcd));
+ map(0x3000, 0x3000).w("board", FUNC(mephisto_board_device::led_w));
+ map(0x3800, 0x3800).w("board", FUNC(mephisto_board_device::mux_w));
+ map(0x4000, 0x7fff).r("cartslot", FUNC(generic_slot_device::read_rom)); // Opening Library
+ map(0x8000, 0xffff).rom();
+}
+
+
+static INPUT_PORTS_START( mephisto )
+ PORT_START("KEY1_0") //Port $2c00
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE)
+ PORT_START("KEY1_1") //Port $2c01
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("POS") PORT_CODE(KEYCODE_O)
+ PORT_START("KEY1_2") //Port $2c02
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("MEM") PORT_CODE(KEYCODE_M)
+ PORT_START("KEY1_3") //Port $2c03
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("INFO") PORT_CODE(KEYCODE_I)
+ PORT_START("KEY1_4") //Port $2c04
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("LEV") PORT_CODE(KEYCODE_L)
+ PORT_START("KEY1_5") //Port $2c05
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD)
+ PORT_START("KEY1_6") //Port $2c06
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD)
+ PORT_START("KEY1_7") //Port $2c07
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD)
+
+ PORT_START("KEY2_0") //Port $2c08
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("E 5") PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD)
+ PORT_START("KEY2_1") //Port $2c09
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("F 6") PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD)
+ PORT_START("KEY2_2") //Port $2c0a
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("G 7") PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD)
+ PORT_START("KEY2_3") //Port $2c0b
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("A 1") PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD)
+ PORT_START("KEY2_4") //Port $2c0c
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("H 8") PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD)
+ PORT_START("KEY2_5") //Port $2c0d
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("B 2") PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD)
+ PORT_START("KEY2_6") //Port $2c0e
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("C 3") PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD)
+ PORT_START("KEY2_7") //Port $2c0f
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("D 4") PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( bup )
+ PORT_START("KEY1_0")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD)
+ PORT_START("KEY1_1")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD)
+ PORT_START("KEY1_2")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD)
+ PORT_START("KEY1_3")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD)
+ PORT_START("KEY1_4")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD)
+ PORT_START("KEY1_5")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD)
+ PORT_START("KEY1_6")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("WHITE") PORT_CODE(KEYCODE_W)
+ PORT_START("KEY1_7")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("BLACK") PORT_CODE(KEYCODE_B)
+
+ PORT_START("KEY2_0")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE)
+ PORT_START("KEY2_1")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD)
+ PORT_START("KEY2_2")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("BEST") PORT_CODE(KEYCODE_S)
+ PORT_START("KEY2_3")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("INFO") PORT_CODE(KEYCODE_I)
+ PORT_START("KEY2_4")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("MON") PORT_CODE(KEYCODE_N)
+ PORT_START("KEY2_5")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("POS") PORT_CODE(KEYCODE_O)
+ PORT_START("KEY2_6")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("LEV") PORT_CODE(KEYCODE_L)
+ PORT_START("KEY2_7")
+ PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("MEM") PORT_CODE(KEYCODE_M)
+INPUT_PORTS_END
+
+
+TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_nmi)
+{
+ if (m_allowNMI)
+ {
+ m_allowNMI = 0;
+ m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
+ }
+}
+
+TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_nmi_r5)
+{
+ m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
+}
+
+TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_irq)//only mm2
+{
+ m_maincpu->set_input_line(M65C02_IRQ_LINE, HOLD_LINE);
+}
+
+void mephisto_state::machine_start()
+{
+ m_digits.resolve();
+
+ save_item(NAME(m_lcd_shift_counter));
+ save_item(NAME(m_led7));
+ save_item(NAME(m_allowNMI));
+
+ m_lcd_shift_counter = 3;
+ m_allowNMI = 1;
+ m_led7 = 0xff;
+}
+
+void mephisto_state::machine_reset()
+{
+ m_lcd_shift_counter = 3;
+ m_allowNMI = 1;
+}
+
+
+void mephisto_state::mephisto(machine_config &config)
+{
+ /* basic machine hardware */
+ M65C02(config, m_maincpu, 4.9152_MHz_XTAL); /* 65C02 */
+ m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_state::mephisto_mem);
+
+ HC259(config, m_outlatch);
+ m_outlatch->q_out_cb<0>().set_output("led100");
+ m_outlatch->q_out_cb<1>().set_output("led101");
+ m_outlatch->q_out_cb<2>().set_output("led102");
+ m_outlatch->q_out_cb<3>().set_output("led103");
+ m_outlatch->q_out_cb<4>().set_output("led104");
+ m_outlatch->q_out_cb<5>().set_output("led105");
+ m_outlatch->q_out_cb<6>().set(m_dac, FUNC(dac_bit_interface::write));
+ m_outlatch->q_out_cb<7>().set(FUNC(mephisto_state::write_led7));
+
+ /* sound hardware */
+ SPEAKER(config, "speaker").front_center();
+ DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25);
+ VOLTAGE_REGULATOR(config, "vref").add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
+
+ TIMER(config, "nmi_timer").configure_periodic(FUNC(mephisto_state::update_nmi), attotime::from_hz(600));
+
+ GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "mephisto_cart");
+ SOFTWARE_LIST(config, "cart_list").set_original("mephisto");
+
+ MEPHISTO_SENSORS_BOARD(config, "board");
+ config.set_default_layout(layout_mephisto_mm2);
+}
+
+void mephisto_state::rebel5(machine_config &config)
+{
+ mephisto(config);
+
+ m_maincpu->set_clock(9.8304_MHz_XTAL / 2);
+ m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_state::rebel5_mem);
+
+ config.device_remove("cartslot");
+ config.device_remove("cart_list");
+
+ config.device_remove("nmi_timer");
+ TIMER(config, "nmi_timer_r5").configure_periodic(FUNC(mephisto_state::update_nmi_r5), attotime::from_hz(600));
+}
+
+void mephisto_state::mm2(machine_config &config)
+{
+ mephisto(config);
+
+ m_maincpu->set_clock(7.3728_MHz_XTAL / 2);
+ m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_state::mm2_mem);
+
+ config.device_remove("nmi_timer");
+ TIMER(config, "irq_timer").configure_periodic(FUNC(mephisto_state::update_irq), attotime::from_hz(450));
+
+ m_outlatch->q_out_cb<7>().set(FUNC(mephisto_state::write_led7)).invert();
+}
+
+void mephisto_state::bup(machine_config &config)
+{
+ mm2(config);
+ config.set_default_layout(layout_mephisto_bup);
+}
+
+void mephisto_state::mm4tk(machine_config &config)
+{
+ mephisto(config);
+
+ m_maincpu->set_clock(18000000);
+ m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_state::mephisto_mem);
+}
+
+ROM_START(rebel5)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_DEFAULT_BIOS("v2")
+ ROM_SYSTEM_BIOS( 0, "v1", "V1" )
+ ROMX_LOAD("rebel5_v1.rom", 0x8000, 0x8000, CRC(8d02e1ef) SHA1(9972c75936613bd68cfd3fe62bd222e90e8b1083), ROM_BIOS(0))
+ ROM_SYSTEM_BIOS( 1, "v2", "V2" )
+ ROMX_LOAD("rebel5_v2.rom", 0x8000, 0x8000, CRC(17232752) SHA1(3cd6893c0071f3dc02785bf99f1950eed81eba39), ROM_BIOS(1))
+ROM_END
+
+ROM_START(mm2)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_DEFAULT_BIOS("v2a")
+ ROM_SYSTEM_BIOS( 0, "v1", "V1" )
+ ROMX_LOAD("mm2_v1_1.bin", 0x8000, 0x4000, CRC(b91dab77) SHA1(67762304afe51fb8f1eb91259567b2451bf9bbfd), ROM_BIOS(0))
+ ROMX_LOAD("mm2_v1_2.bin", 0xc000, 0x4000, CRC(01143cc1) SHA1(f78474b410dbecb209aa23ef81e9f894e8b54942), ROM_BIOS(0))
+ ROM_SYSTEM_BIOS( 1, "v2", "V2" )
+ ROMX_LOAD("mm2_v2_1.bin", 0x8000, 0x4000, CRC(e2daac82) SHA1(c9fa59ca92362f8ee770733073bfa2ab8c7904ad), ROM_BIOS(1))
+ ROMX_LOAD("mm2_v2_2.bin", 0xc000, 0x4000, CRC(5e296939) SHA1(badd2a377259cf738cd076d8fb245c3dc284c24d), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 2, "v2a", "V2a" )
+ ROMX_LOAD("mm2_1_v2a.bin", 0x8000, 0x4000, CRC(e9adcb8f) SHA1(498f48f96678f7bf429fd43e4f392ec6dd649fc6), ROM_BIOS(2))
+ ROMX_LOAD("mm2_2_v2a.bin", 0xc000, 0x4000, CRC(d40cbfc2) SHA1(4e9b19b1a0ad97868b31d7a55143a1778110cc96), ROM_BIOS(2))
+ROM_END
+
+ROM_START(bup)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_DEFAULT_BIOS("v2")
+ ROM_SYSTEM_BIOS( 0, "v1", "V1" )
+ ROMX_LOAD("bup_v1_1.bin", 0x8000, 0x4000, CRC(e1e9625a) SHA1(8a757e28b7afca2a092f8ff419087e06b07b743e), ROM_BIOS(0))
+ ROMX_LOAD("bup_v1_2.bin", 0xc000, 0x4000, CRC(708338ea) SHA1(d617c4aa2161865a22b4b0646ba793f8a1fda863), ROM_BIOS(0))
+ ROM_SYSTEM_BIOS( 1, "v2", "V2" )
+ ROMX_LOAD("bup_v2_1.bin", 0x8000, 0x4000, CRC(e1e9625a) SHA1(8a757e28b7afca2a092f8ff419087e06b07b743e), ROM_BIOS(1))
+ ROMX_LOAD("bup_v2_2.bin", 0xc000, 0x4000, CRC(6db30b80) SHA1(df4b379c4e916dff6b4110ec9c3591a9620c3424), ROM_BIOS(1))
+ROM_END
+
+ROM_START(mm4)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_LOAD("mephisto4.rom", 0x8000, 0x8000, CRC(f68a4124) SHA1(d1d03a9aacc291d5cb720d2ee2a209eeba13a36c))
+ROM_END
+
+ROM_START(mm4tk)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_LOAD("mm4tk.rom", 0x8000, 0x8000, CRC(51cb36a4) SHA1(9e184b4e85bb721e794b88d8657ae8d2ff5a24af))
+ROM_END
+
+ROM_START(mm5)
+ ROM_REGION(0x10000,"maincpu",0)
+ ROM_DEFAULT_BIOS("v51")
+ ROM_SYSTEM_BIOS( 0, "v50", "V5.0" )
+ ROMX_LOAD("mm50.rom", 0x8000, 0x8000, CRC(fcfa7e6e) SHA1(afeac3a8c957ba58cefaa27b11df974f6f2066da), ROM_BIOS(0))
+ ROM_SYSTEM_BIOS( 1, "v51", "V5.1" )
+ ROMX_LOAD("mephisto5.rom", 0x8000, 0x8000, CRC(89c3d9d2) SHA1(77cd6f8eeb03c713249db140d2541e3264328048), ROM_BIOS(1))
+ROM_END
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS */
+CONS( 1984, mm2, mm4, 0, mm2, mephisto, mephisto_state, empty_init, "Hegener & Glaser", "Mephisto MM II", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1985, bup, mm4, 0, bup, bup, mephisto_state, empty_init, "Hegener & Glaser", "Mephisto B&P", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1986, rebel5, mm4, 0, rebel5, mephisto, mephisto_state, empty_init, "Hegener & Glaser", "Mephisto Rebell 5.0", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1987, mm4, 0, 0, mephisto, mephisto, mephisto_state, empty_init, "Hegener & Glaser", "Mephisto MM IV", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1987, mm4tk, mm4, 0, mm4tk, mephisto, mephisto_state, empty_init, "hack", "Mephisto MM IV (TurboKit)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1990, mm5, mm4, 0, mephisto, mephisto, mephisto_state, empty_init, "Hegener & Glaser", "Mephisto MM V", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )