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diff --git a/src/mame/drivers/s6.cpp b/src/mame/drivers/s6.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/***********************************************************************************
+
+ PINBALL
+ Williams System 6
+
+Diagnostic actions:
+- You must be in game over mode. All buttons are in the number-pad. When you are
+ finished, you must reboot.
+
+- Setup: 6 must be in auto/up position. Press 5 to enter setup mode, press 6 to
+ change direction.
+
+- Tests: 6 must be in manual/down position. Press 5 twice and tests will begin.
+ Press 5 and 6 together to get from test 1 to test 2. Press 6 to switch
+ between auto/manual stepping.
+
+- Auto Diag Test: Set Dips to SW6. Press 4. Press 9. Press 5. Tests will begin.
+
+- Other: Set Dips to SW7 or SW8. Press 4. Press 9.
+
+
+Each game has its own switches, you need to know the outhole and slam-tilt ones.
+Note that T is also a tilt, but it may take 3 hits to activate it.
+
+Firepower and Scorpion are multiball games. You must hold down both 'outhole'
+buttons before being able to start the game. When the ball drains, you must hold
+down both buttons so that the system knows both balls have returned.
+
+
+Game Outhole Tilt Notes
+--------------------------------------------------------------------------------------
+Gorgar X A
+Laser Ball X
+Scorpion X S
+Blackout X Backspace Wait for the background sound before attempting to score
+Firepower PGDN PGUP END I Cannot start
+
+
+ToDo:
+- Mechanical sounds
+- Blackout: slow response at times
+- Firepower: unable to start / unknown key combo?
+
+
+************************************************************************************/
+
+
+#include "machine/genpin.h"
+#include "cpu/m6800/m6800.h"
+#include "machine/6821pia.h"
+#include "sound/hc55516.h"
+#include "sound/dac.h"
+#include "s6.lh"
+
+
+class s6_state : public genpin_class
+{
+public:
+ s6_state(const machine_config &mconfig, device_type type, const char *tag)
+ : genpin_class(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_audiocpu(*this, "audiocpu")
+ , m_dac(*this, "dac")
+ , m_hc55516(*this, "hc55516")
+ , m_pias(*this, "pias")
+ , m_pia22(*this, "pia22")
+ , m_pia24(*this, "pia24")
+ , m_pia28(*this, "pia28")
+ , m_pia30(*this, "pia30")
+ { }
+
+ DECLARE_READ8_MEMBER(dac_r);
+ DECLARE_WRITE8_MEMBER(dig0_w);
+ DECLARE_WRITE8_MEMBER(dig1_w);
+ DECLARE_WRITE8_MEMBER(lamp0_w);
+ DECLARE_WRITE8_MEMBER(lamp1_w);
+ DECLARE_READ8_MEMBER(dips_r);
+ DECLARE_WRITE8_MEMBER(sol0_w);
+ DECLARE_WRITE8_MEMBER(sol1_w);
+ DECLARE_READ8_MEMBER(switch_r);
+ DECLARE_WRITE8_MEMBER(switch_w);
+ DECLARE_WRITE_LINE_MEMBER(pia22_ca2_w) { }; //ST5
+ DECLARE_WRITE_LINE_MEMBER(pia22_cb2_w) { }; //ST-solenoids enable
+ DECLARE_WRITE_LINE_MEMBER(pia24_ca2_w) { }; //ST2
+ DECLARE_WRITE_LINE_MEMBER(pia24_cb2_w) { }; //ST1
+ DECLARE_WRITE_LINE_MEMBER(pia28_ca2_w) { }; //diag leds enable
+ DECLARE_WRITE_LINE_MEMBER(pia28_cb2_w) { }; //ST6
+ DECLARE_WRITE_LINE_MEMBER(pia30_ca2_w) { }; //ST4
+ DECLARE_WRITE_LINE_MEMBER(pia30_cb2_w) { }; //ST3
+ DECLARE_WRITE_LINE_MEMBER(pia_irq);
+ DECLARE_INPUT_CHANGED_MEMBER(main_nmi);
+ DECLARE_INPUT_CHANGED_MEMBER(audio_nmi);
+ DECLARE_MACHINE_RESET(s6);
+ DECLARE_DRIVER_INIT(s6);
+private:
+ UINT8 m_sound_data;
+ UINT8 m_strobe;
+ UINT8 m_kbdrow;
+ bool m_data_ok;
+ emu_timer* m_irq_timer;
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ static const device_timer_id TIMER_IRQ = 0;
+ required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_audiocpu;
+ required_device<dac_device> m_dac;
+ required_device<hc55516_device> m_hc55516;
+ required_device<pia6821_device> m_pias;
+ required_device<pia6821_device> m_pia22;
+ required_device<pia6821_device> m_pia24;
+ required_device<pia6821_device> m_pia28;
+ required_device<pia6821_device> m_pia30;
+};
+
+static ADDRESS_MAP_START( s6_main_map, AS_PROGRAM, 8, s6_state )
+ ADDRESS_MAP_GLOBAL_MASK(0x7fff)
+ AM_RANGE(0x0000, 0x00ff) AM_RAM
+ AM_RANGE(0x0100, 0x01ff) AM_RAM AM_SHARE("nvram")
+ AM_RANGE(0x2200, 0x2203) AM_DEVREADWRITE("pia22", pia6821_device, read, write) // solenoids
+ AM_RANGE(0x2400, 0x2403) AM_DEVREADWRITE("pia24", pia6821_device, read, write) // lamps
+ AM_RANGE(0x2800, 0x2803) AM_DEVREADWRITE("pia28", pia6821_device, read, write) // display
+ AM_RANGE(0xb000, 0x3003) AM_DEVREADWRITE("pia30", pia6821_device, read, write) // inputs
+ AM_RANGE(0x6000, 0x7fff) AM_ROM AM_REGION("roms", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( s6_audio_map, AS_PROGRAM, 8, s6_state )
+ ADDRESS_MAP_GLOBAL_MASK(0x7fff)
+ AM_RANGE(0x0000, 0x00ff) AM_RAM
+ AM_RANGE(0x0400, 0x0403) AM_MIRROR(0x8000) AM_DEVREADWRITE("pias", pia6821_device, read, write)
+ AM_RANGE(0x3000, 0x7fff) AM_ROM AM_REGION("audioroms", 0)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( s6 )
+ PORT_START("X0")
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("X1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_TILT )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER )
+
+ PORT_START("X2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_X)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_S)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_D)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_F)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_G)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_H)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_J)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_K)
+
+ PORT_START("X4")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_L)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_Z)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_C)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_V)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_B)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_N)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_M)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_COMMA)
+
+ PORT_START("X8")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_STOP)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_SLASH)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_COLON)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_QUOTE)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_A)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_MINUS)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_EQUALS)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_BACKSPACE)
+
+ PORT_START("X10")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_OPENBRACE)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_CLOSEBRACE)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_BACKSLASH)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_ENTER)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_LEFT)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_RIGHT)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_UP)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_DOWN)
+
+ PORT_START("X20")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_Q)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_W)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_E)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_R)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_Y)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_U)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_I)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_O)
+
+ PORT_START("X40")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_RSHIFT)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_SPACE)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_END)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_LSHIFT)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_HOME)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("X80")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_PGUP)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_PGDN)
+ PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("SND")
+ PORT_BIT( 0x9f, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Speech") PORT_CODE(KEYCODE_3_PAD) PORT_TOGGLE
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Music") PORT_CODE(KEYCODE_2_PAD) PORT_TOGGLE
+
+ PORT_START("DIAGS")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Audio Diag") PORT_CODE(KEYCODE_1_PAD) PORT_CHANGED_MEMBER(DEVICE_SELF, s6_state, audio_nmi, 1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Main Diag") PORT_CODE(KEYCODE_4_PAD) PORT_CHANGED_MEMBER(DEVICE_SELF, s6_state, main_nmi, 1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Advance") PORT_CODE(KEYCODE_5_PAD)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Manual/Auto") PORT_CODE(KEYCODE_6_PAD) PORT_TOGGLE
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Enter") PORT_CODE(KEYCODE_9_PAD)
+
+ PORT_START("DS1") // DS1 only 3 switches do anything
+ PORT_DIPNAME( 0x70, 0x70, "Diagnostic" )
+ PORT_DIPSETTING( 0x70, "Off" )
+ PORT_DIPSETTING( 0x60, "SW8 - Zero Audit Tables" )
+ PORT_DIPSETTING( 0x50, "SW7 - Reset to Defaults" )
+ PORT_DIPSETTING( 0x30, "SW6 - Auto Diagnostic Test" )
+ PORT_BIT( 0x8f, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("DS2") // DS2 switches exist but do nothing
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+INPUT_PORTS_END
+
+INPUT_CHANGED_MEMBER( s6_state::main_nmi )
+{
+ // Diagnostic button sends a pulse to NMI pin
+ if (newval==CLEAR_LINE)
+ m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
+}
+
+INPUT_CHANGED_MEMBER( s6_state::audio_nmi )
+{
+ // Diagnostic button sends a pulse to NMI pin
+ if (newval==CLEAR_LINE)
+ m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
+}
+
+WRITE8_MEMBER( s6_state::sol0_w )
+{
+ if (BIT(data, 4))
+ m_samples->start(2, 5); // outhole
+}
+
+WRITE8_MEMBER( s6_state::sol1_w )
+{
+ UINT8 sound_data = ioport("SND")->read();
+ if (BIT(data, 0))
+ sound_data &= 0xfe;
+
+ if (BIT(data, 1))
+ sound_data &= 0xfd;
+
+ if (BIT(data, 2))
+ sound_data &= 0xfb;
+
+ if (BIT(data, 3))
+ sound_data &= 0xf7;
+
+ if (BIT(data, 4))
+ sound_data &= 0xef;
+
+ bool cb1 = ((sound_data & 0x9f) != 0x9f);
+
+ if (cb1)
+ m_sound_data = sound_data;
+
+ m_pias->cb1_w(cb1);
+
+ if (BIT(data, 5))
+ m_samples->start(0, 6); // knocker
+}
+
+WRITE8_MEMBER( s6_state::lamp0_w )
+{
+}
+
+WRITE8_MEMBER( s6_state::lamp1_w )
+{
+}
+
+READ8_MEMBER( s6_state::dips_r )
+{
+ if (BIT(ioport("DIAGS")->read(), 4) )
+ {
+ switch (m_strobe)
+ {
+ case 0:
+ return ioport("DS2")->read();
+ case 1:
+ return ioport("DS2")->read() << 4;
+ case 2:
+ return ioport("DS1")->read();
+ case 3:
+ return ioport("DS1")->read() << 4;
+ }
+ }
+ return 0xff;
+}
+
+WRITE8_MEMBER( s6_state::dig0_w )
+{
+ m_strobe = data & 15;
+ m_data_ok = true;
+ output_set_value("led0", !BIT(data, 4));
+ output_set_value("led1", !BIT(data, 5));
+}
+
+WRITE8_MEMBER( s6_state::dig1_w )
+{
+ static const UINT8 patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7c, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // MC14558
+ if (m_data_ok)
+ {
+ output_set_digit_value(m_strobe+20, patterns[data&15]);
+ output_set_digit_value(m_strobe, patterns[data>>4]);
+ }
+ m_data_ok = false;
+}
+
+READ8_MEMBER( s6_state::switch_r )
+{
+ char kbdrow[8];
+ sprintf(kbdrow,"X%X",m_kbdrow);
+ return ioport(kbdrow)->read() ^ 0xff;
+}
+
+WRITE8_MEMBER( s6_state::switch_w )
+{
+ m_kbdrow = data;
+}
+
+READ8_MEMBER( s6_state::dac_r )
+{
+ return m_sound_data;
+}
+
+WRITE_LINE_MEMBER( s6_state::pia_irq )
+{
+ if(state == CLEAR_LINE)
+ {
+ // restart IRQ timer
+ m_irq_timer->adjust(attotime::from_ticks(980,3580000/4),1);
+ }
+ else
+ {
+ // disable IRQ timer while other IRQs are being handled
+ // (counter is reset every 32 cycles while a PIA IRQ is handled)
+ m_irq_timer->adjust(attotime::zero);
+ }
+}
+
+void s6_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+ switch(id)
+ {
+ case TIMER_IRQ:
+ if(param == 1)
+ {
+ m_maincpu->set_input_line(M6800_IRQ_LINE,ASSERT_LINE);
+ m_irq_timer->adjust(attotime::from_ticks(32,3580000/4),0);
+ m_pia28->ca1_w(BIT(ioport("DIAGS")->read(), 2)); // Advance
+ m_pia28->cb1_w(BIT(ioport("DIAGS")->read(), 3)); // Up/Down
+ }
+ else
+ {
+ m_maincpu->set_input_line(M6800_IRQ_LINE,CLEAR_LINE);
+ m_irq_timer->adjust(attotime::from_ticks(980,3580000/4),1);
+ m_pia28->ca1_w(1);
+ m_pia28->cb1_w(1);
+ }
+ break;
+ }
+}
+
+MACHINE_RESET_MEMBER( s6_state, s6 )
+{
+}
+
+DRIVER_INIT_MEMBER( s6_state, s6 )
+{
+ m_irq_timer = timer_alloc(TIMER_IRQ);
+ m_irq_timer->adjust(attotime::from_ticks(980,3580000/4),1);
+}
+
+static MACHINE_CONFIG_START( s6, s6_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M6808, 3580000) // 6802 or 6808 could be used here
+ MCFG_CPU_PROGRAM_MAP(s6_main_map)
+ MCFG_MACHINE_RESET_OVERRIDE(s6_state, s6)
+
+ /* Video */
+ MCFG_DEFAULT_LAYOUT(layout_s6)
+
+ /* Sound */
+ MCFG_FRAGMENT_ADD( genpin_audio )
+
+ /* Devices */
+ MCFG_DEVICE_ADD("pia22", PIA6821, 0)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(s6_state, sol0_w))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(s6_state, sol1_w))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(s6_state, pia22_ca2_w))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(s6_state, pia22_cb2_w))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(s6_state, pia_irq))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(s6_state, pia_irq))
+
+ MCFG_DEVICE_ADD("pia24", PIA6821, 0)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(s6_state, lamp0_w))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(s6_state, lamp1_w))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(s6_state, pia24_ca2_w))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(s6_state, pia24_cb2_w))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(s6_state, pia_irq))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(s6_state, pia_irq))
+
+ MCFG_DEVICE_ADD("pia28", PIA6821, 0)
+ MCFG_PIA_READPA_HANDLER(READ8(s6_state, dips_r))
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(s6_state, dig0_w))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(s6_state, dig1_w))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(s6_state, pia28_ca2_w))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(s6_state, pia28_cb2_w))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(s6_state, pia_irq))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(s6_state, pia_irq))
+
+ MCFG_DEVICE_ADD("pia30", PIA6821, 0)
+ MCFG_PIA_READPA_HANDLER(READ8(s6_state, switch_r))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(s6_state, switch_w))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(s6_state, pia30_ca2_w))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(s6_state, pia30_cb2_w))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(s6_state, pia_irq))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(s6_state, pia_irq))
+
+ MCFG_NVRAM_ADD_0FILL("nvram")
+
+ /* Add the soundcard */
+ MCFG_CPU_ADD("audiocpu", M6802, 3580000)
+ MCFG_CPU_PROGRAM_MAP(s6_audio_map)
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("dac", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+ MCFG_SPEAKER_STANDARD_MONO("speech")
+ MCFG_SOUND_ADD("hc55516", HC55516, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speech", 1.00)
+
+ MCFG_DEVICE_ADD("pias", PIA6821, 0)
+ MCFG_PIA_READPB_HANDLER(READ8(s6_state, dac_r))
+ MCFG_PIA_WRITEPA_HANDLER(DEVWRITE8("dac", dac_device, write_unsigned8))
+ MCFG_PIA_CA2_HANDLER(DEVWRITELINE("hc55516", hc55516_device, digit_w))
+ MCFG_PIA_CB2_HANDLER(DEVWRITELINE("hc55516", hc55516_device, clock_w))
+ MCFG_PIA_IRQA_HANDLER(DEVWRITELINE("audiocpu", m6802_cpu_device, irq_line))
+ MCFG_PIA_IRQB_HANDLER(DEVWRITELINE("audiocpu", m6802_cpu_device, irq_line))
+MACHINE_CONFIG_END
+
+
+/*--------------------------------
+/ Laser Ball - Sys.6 (Game #493)
+/-------------------------------*/
+ROM_START(lzbal_l2)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(9c5ffe2f) SHA1(f0db627abaeb8c023a3ccc75262e236c998a5d6f))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+ROM_START(lzbal_t2)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(9c5ffe2f) SHA1(f0db627abaeb8c023a3ccc75262e236c998a5d6f))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2a.716", 0x1800, 0x0800, CRC(16621eec) SHA1(14e1cf5f7227860a3219b2b79fa66dcf252dce98))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+
+/*-----------------------------
+/ Scorpion - Sys.6 (Game #494)
+/----------------------------*/
+ROM_START(scrpn_l1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(881109a9) SHA1(53d4275c76b47b68a74209fe660d943a51e90eca))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("sound1.716", 0x4800, 0x0800, CRC(f4190ca3) SHA1(ee234fb5c894fca5876ee6dc7ea8e89e7e0aec9c))
+ROM_END
+
+ROM_START(scrpn_t1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(881109a9) SHA1(53d4275c76b47b68a74209fe660d943a51e90eca))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2a.716", 0x1800, 0x0800, CRC(16621eec) SHA1(14e1cf5f7227860a3219b2b79fa66dcf252dce98))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("sound1.716", 0x4800, 0x0800, CRC(f4190ca3) SHA1(ee234fb5c894fca5876ee6dc7ea8e89e7e0aec9c))
+ROM_END
+
+
+/*----------------------------
+/ Blackout - Sys.6 (Game #495)
+/---------------------------*/
+ROM_START(blkou_l1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(4b407ae2) SHA1(46a2afcfc2d969c5acae18b57a678265257a6102))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(87864071) SHA1(d03c71efc0431f30a07c8194c0614c96fb683710))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(046a96d8) SHA1(879127a88b3640bbb202c64cbf8678869c964177))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(0104e5c4) SHA1(c073cb4bdea189085ae074e9c16872752b6ffba0))
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+ROM_START(blkou_t1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(4b407ae2) SHA1(46a2afcfc2d969c5acae18b57a678265257a6102))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2a.716", 0x1800, 0x0800, CRC(16621eec) SHA1(14e1cf5f7227860a3219b2b79fa66dcf252dce98))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(87864071) SHA1(d03c71efc0431f30a07c8194c0614c96fb683710))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(046a96d8) SHA1(879127a88b3640bbb202c64cbf8678869c964177))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(0104e5c4) SHA1(c073cb4bdea189085ae074e9c16872752b6ffba0))
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+ROM_START(blkou_f1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(4b407ae2) SHA1(46a2afcfc2d969c5acae18b57a678265257a6102))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("speech7f.532", 0x0000, 0x1000, CRC(bdc1b0b1) SHA1(c78f8653dfe3ec58722a8a17da7924e4a76cf692))
+ ROM_LOAD("speech6f.532", 0x1000, 0x1000, CRC(9b7e4ae9) SHA1(137b5ec871162329cb7ca3a62da3193382223d8a))
+ ROM_LOAD("speech5f.532", 0x2000, 0x1000, CRC(9040f34a) SHA1(529eae0b58f3300f2b9bdf40c5ca7f4b29425dff))
+ ROM_LOAD("speech4f.532", 0x3000, 0x1000, CRC(29c4abde) SHA1(b3af7b8d0c2548f5c0bb240aa1dc5cc59bb2af9a))
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+/*--------------------------
+/ Gorgar - Sys.6 (Game #496)
+/-------------------------*/
+ROM_START(grgar_l1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(1c6f3e48) SHA1(ba5536e6fbcaf3709277fe27827d7f75c1889ba3))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(0b1879e3) SHA1(2c34a815f598b4413e9229e8eb1322ec9e7cc9d6))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(0ceaef37) SHA1(33b5f5286b8588162d56dbc5c9a8ccb70d3b9090))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(218290b9) SHA1(6afeff1413895489e92a4bb1c05f6de5773dbb6a))
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+ROM_START(grgar_t1)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("gamerom.716", 0x0000, 0x0800, CRC(1c6f3e48) SHA1(ba5536e6fbcaf3709277fe27827d7f75c1889ba3))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2a.716", 0x1800, 0x0800, CRC(16621eec) SHA1(14e1cf5f7227860a3219b2b79fa66dcf252dce98))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(0b1879e3) SHA1(2c34a815f598b4413e9229e8eb1322ec9e7cc9d6))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(0ceaef37) SHA1(33b5f5286b8588162d56dbc5c9a8ccb70d3b9090))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(218290b9) SHA1(6afeff1413895489e92a4bb1c05f6de5773dbb6a))
+ ROM_LOAD("sound2.716", 0x4800, 0x0800, CRC(c9103a68) SHA1(cc77af54fdb192f0b334d9d1028210618c3f1d95))
+ROM_END
+
+/*-------------------------------
+/ Firepower - Sys.6 (Game #497)
+/------------------------------*/
+ROM_START(frpwr_l6)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("prom1_6.474", 0x0000, 0x0200, CRC(af6eb0b9) SHA1(28f8366737e09ffd60cb5ea55a5734143cdb9663))
+ ROM_LOAD("prom2.474", 0x0200, 0x0200, CRC(f75ade1a) SHA1(a5572c5c721dbcb82988b709f4ef2119118e37c2))
+ ROM_LOAD("prom3.474", 0x0400, 0x0200, CRC(242ec687) SHA1(c3366c898a66c78034687e6a6000193d52be4141))
+ ROM_LOAD("gamerom.716", 0x0800, 0x0800, CRC(fdd3b983) SHA1(fb5d1eb01589311cf4b2ef16e25db03d40bca2f7))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(94c5c0a7) SHA1(ff7c618d1666c1d5c3319fdd72c1af2846659290))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(1737fdd2) SHA1(6307e0ae715e97294ee8aaaeb2e2bebb0cb590c2))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(e56f7aa2) SHA1(cb922c3f4d91285dda4ccae880c2d798a82fd51b))
+ ROM_LOAD("sound3.716", 0x4800, 0x0800, CRC(55a10d13) SHA1(521d4cdfb0ed8178b3594cedceae93b772a951a4))
+ROM_END
+
+ROM_START(frpwr_t6)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("prom1_6.474", 0x0000, 0x0200, CRC(af6eb0b9) SHA1(28f8366737e09ffd60cb5ea55a5734143cdb9663))
+ ROM_LOAD("prom2.474", 0x0200, 0x0200, CRC(f75ade1a) SHA1(a5572c5c721dbcb82988b709f4ef2119118e37c2))
+ ROM_LOAD("prom3.474", 0x0400, 0x0200, CRC(242ec687) SHA1(c3366c898a66c78034687e6a6000193d52be4141))
+ ROM_LOAD("gamerom.716", 0x0800, 0x0800, CRC(fdd3b983) SHA1(fb5d1eb01589311cf4b2ef16e25db03d40bca2f7))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2a.716", 0x1800, 0x0800, CRC(16621eec) SHA1(14e1cf5f7227860a3219b2b79fa66dcf252dce98))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(94c5c0a7) SHA1(ff7c618d1666c1d5c3319fdd72c1af2846659290))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(1737fdd2) SHA1(6307e0ae715e97294ee8aaaeb2e2bebb0cb590c2))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(e56f7aa2) SHA1(cb922c3f4d91285dda4ccae880c2d798a82fd51b))
+ ROM_LOAD("sound3.716", 0x4800, 0x0800, CRC(55a10d13) SHA1(521d4cdfb0ed8178b3594cedceae93b772a951a4))
+ROM_END
+
+ROM_START(frpwr_l2)
+ ROM_REGION(0x2000, "roms", 0)
+ ROM_LOAD("prom1.474", 0x0000, 0x0200, CRC(fbb7299f) SHA1(0ae9dbdc6ed8315596bf755ece34691671dc8d44))
+ ROM_LOAD("prom2.474", 0x0200, 0x0200, CRC(f75ade1a) SHA1(a5572c5c721dbcb82988b709f4ef2119118e37c2))
+ ROM_LOAD("prom3.474", 0x0400, 0x0200, CRC(242ec687) SHA1(c3366c898a66c78034687e6a6000193d52be4141))
+ ROM_LOAD("gamerom.716", 0x0800, 0x0800, CRC(fdd3b983) SHA1(fb5d1eb01589311cf4b2ef16e25db03d40bca2f7))
+ ROM_LOAD("green1.716", 0x1000, 0x0800, CRC(2145f8ab) SHA1(ddf63208559a3a08d4e88327c55426b0eed27654))
+ ROM_LOAD("green2.716", 0x1800, 0x0800, CRC(1c978a4a) SHA1(1959184764643d58f1740c54bb74c2aad7d667d2))
+
+ ROM_REGION(0x5000, "audioroms", 0)
+ ROM_LOAD("v_ic7.532", 0x0000, 0x1000, CRC(94c5c0a7) SHA1(ff7c618d1666c1d5c3319fdd72c1af2846659290))
+ ROM_LOAD("v_ic5.532", 0x1000, 0x1000, CRC(1737fdd2) SHA1(6307e0ae715e97294ee8aaaeb2e2bebb0cb590c2))
+ ROM_LOAD("v_ic6.532", 0x2000, 0x1000, CRC(e56f7aa2) SHA1(cb922c3f4d91285dda4ccae880c2d798a82fd51b))
+ ROM_LOAD("sound3.716", 0x4800, 0x0800, CRC(55a10d13) SHA1(521d4cdfb0ed8178b3594cedceae93b772a951a4))
+ROM_END
+
+
+GAME( 1979, lzbal_l2, 0, s6, s6, s6_state, s6, ROT0, "Williams", "Laser Ball (L-2)", MACHINE_MECHANICAL )
+GAME( 1980, lzbal_t2, lzbal_l2, s6, s6, s6_state, s6, ROT0, "Williams", "Laser Ball (T-2)", MACHINE_MECHANICAL )
+GAME( 1980, scrpn_l1, 0, s6, s6, s6_state, s6, ROT0, "Williams", "Scorpion (L-1)", MACHINE_MECHANICAL )
+GAME( 1980, scrpn_t1, scrpn_l1, s6, s6, s6_state, s6, ROT0, "Williams", "Scorpion (T-1)", MACHINE_MECHANICAL )
+GAME( 1979, blkou_l1, 0, s6, s6, s6_state, s6, ROT0, "Williams", "Blackout (L-1)", MACHINE_MECHANICAL )
+GAME( 1979, blkou_t1, blkou_l1, s6, s6, s6_state, s6, ROT0, "Williams", "Blackout (T-1)", MACHINE_MECHANICAL )
+GAME( 1979, blkou_f1, blkou_l1, s6, s6, s6_state, s6, ROT0, "Williams", "Blackout (L-1, French Speech)", MACHINE_MECHANICAL )
+GAME( 1979, grgar_l1, 0, s6, s6, s6_state, s6, ROT0, "Williams", "Gorgar (L-1)", MACHINE_MECHANICAL )
+GAME( 1979, grgar_t1, grgar_l1, s6, s6, s6_state, s6, ROT0, "Williams", "Gorgar (T-1)", MACHINE_MECHANICAL )
+GAME( 1980, frpwr_l6, 0, s6, s6, s6_state, s6, ROT0, "Williams", "Firepower (L-6)", MACHINE_MECHANICAL | MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
+GAME( 1980, frpwr_t6, frpwr_l6, s6, s6, s6_state, s6, ROT0, "Williams", "Firepower (T-6)", MACHINE_MECHANICAL | MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
+GAME( 1980, frpwr_l2, frpwr_l6, s6, s6, s6_state, s6, ROT0, "Williams", "Firepower (L-2)", MACHINE_MECHANICAL | MACHINE_NOT_WORKING | MACHINE_NO_SOUND)