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Diffstat (limited to 'trunk/src/mame/drivers/gyruss.c')
-rw-r--r--trunk/src/mame/drivers/gyruss.c727
1 files changed, 727 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/gyruss.c b/trunk/src/mame/drivers/gyruss.c
new file mode 100644
index 00000000000..3293acc1c5b
--- /dev/null
+++ b/trunk/src/mame/drivers/gyruss.c
@@ -0,0 +1,727 @@
+/***************************************************************************
+
+Gyruss memory map (preliminary)
+
+Main processor memory map.
+0000-5fff ROM (6000-7fff diagnostics)
+8000-83ff Color RAM
+8400-87ff Video RAM
+9000-a7ff RAM
+a000-a17f \ sprites
+a200-a27f /
+
+memory mapped ports:
+
+read:
+c080 IN0 (system inputs)
+c0a0 IN1
+c0c0 IN2
+c0e0 DSW1
+c000 DSW2
+c100 DSW3
+
+write:
+a000-a1ff Odd frame spriteram
+a200-a3ff Even frame spriteram
+a700 Frame odd or even?
+a701 Semaphore system: tells 6809 to draw queued sprites
+a702 Semaphore system: tells 6809 to queue sprites
+c000 watchdog reset
+c080 trigger interrupt on audio CPU
+c100 command for the audio CPU
+c180 interrupt enable
+c185 flip screen
+
+interrupts:
+standard NMI at 0x66
+
+
+SOUND BOARD:
+0000-3fff Audio ROM (4000-5fff diagnostics)
+6000-63ff Audio RAM
+8000 Read Sound Command
+
+I/O:
+
+Gyruss has 5 PSGs:
+1) Control: 0x00 Read: 0x01 Write: 0x02
+2) Control: 0x04 Read: 0x05 Write: 0x06
+3) Control: 0x08 Read: 0x09 Write: 0x0a
+4) Control: 0x0c Read: 0x0d Write: 0x0e
+5) Control: 0x10 Read: 0x11 Write: 0x12
+
+and 1 SFX channel controlled by an 8039:
+1) SoundOn: 0x14 SoundData: 0x18
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "cpu/m6809/m6809.h"
+#include "machine/konami1.h"
+#include "cpu/mcs48/mcs48.h"
+#include "sound/ay8910.h"
+#include "sound/discrete.h"
+#include "includes/konamipt.h"
+#include "includes/gyruss.h"
+
+
+/* The timer clock which feeds the upper 4 bits of */
+/* AY-3-8910 port A is based on the same clock */
+/* feeding the sound CPU Z80. It is a divide by */
+/* 10240, formed by a standard divide by 1024, */
+/* followed by a divide by 10 using a 4 bit */
+/* bi-quinary count sequence. (See LS90 data sheet */
+/* for an example). */
+/* */
+/* Bit 0 comes from the output of the divide by 1024 */
+/* 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 */
+/* Bit 1 comes from the QC output of the LS90 producing a sequence of */
+/* 0, 0, 1, 1, 0, 0, 1, 1, 1, 0 */
+/* Bit 2 comes from the QD output of the LS90 producing a sequence of */
+/* 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 */
+/* Bit 3 comes from the QA output of the LS90 producing a sequence of */
+/* 0, 0, 0, 0, 0, 1, 1, 1, 1, 1 */
+
+static const int gyruss_timer[10] =
+{
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x09, 0x0a, 0x0b, 0x0a, 0x0d
+};
+
+static READ8_DEVICE_HANDLER( gyruss_portA_r )
+{
+ gyruss_state *state = device->machine().driver_data<gyruss_state>();
+ return gyruss_timer[(state->m_audiocpu->total_cycles() / 1024) % 10];
+}
+
+
+static WRITE8_DEVICE_HANDLER( gyruss_dac_w )
+{
+ discrete_sound_w(device, NODE(16), data);
+}
+
+WRITE8_MEMBER(gyruss_state::gyruss_irq_clear_w)
+{
+ device_set_input_line(m_audiocpu_2, 0, CLEAR_LINE);
+}
+
+static void filter_w( device_t *device, int chip, int data )
+{
+ int i;
+
+ //printf("chip %d - %02x\n", chip, data);
+ for (i = 0; i < 3; i++)
+ {
+ /* low bit: 47000pF = 0.047uF */
+ /* high bit: 220000pF = 0.22uF */
+ discrete_sound_w(device, NODE(3 * chip + i + 21), data & 3);
+ data >>= 2;
+ }
+}
+
+static WRITE8_DEVICE_HANDLER( gyruss_filter0_w )
+{
+ filter_w(device, 0, data);
+}
+
+static WRITE8_DEVICE_HANDLER( gyruss_filter1_w )
+{
+ filter_w(device, 1, data);
+}
+
+
+WRITE8_MEMBER(gyruss_state::gyruss_sh_irqtrigger_w)
+{
+ /* writing to this register triggers IRQ on the sound CPU */
+ device_set_input_line_and_vector(m_audiocpu, 0, HOLD_LINE, 0xff);
+}
+
+WRITE8_MEMBER(gyruss_state::gyruss_i8039_irq_w)
+{
+ device_set_input_line(m_audiocpu_2, 0, ASSERT_LINE);
+}
+
+WRITE8_MEMBER(gyruss_state::master_nmi_mask_w)
+{
+
+ m_master_nmi_mask = data & 1;
+}
+
+WRITE8_MEMBER(gyruss_state::slave_irq_mask_w)
+{
+
+ m_slave_irq_mask = data & 1;
+}
+
+static ADDRESS_MAP_START( main_cpu1_map, AS_PROGRAM, 8, gyruss_state )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0x83ff) AM_RAM AM_SHARE("colorram")
+ AM_RANGE(0x8400, 0x87ff) AM_RAM AM_SHARE("videoram")
+ AM_RANGE(0x9000, 0x9fff) AM_RAM
+ AM_RANGE(0xa000, 0xa7ff) AM_RAM AM_SHARE("share1")
+ AM_RANGE(0xc000, 0xc000) AM_READ_PORT("DSW2") AM_WRITENOP /* watchdog reset */
+ AM_RANGE(0xc080, 0xc080) AM_READ_PORT("SYSTEM") AM_WRITE(gyruss_sh_irqtrigger_w)
+ AM_RANGE(0xc0a0, 0xc0a0) AM_READ_PORT("P1")
+ AM_RANGE(0xc0c0, 0xc0c0) AM_READ_PORT("P2")
+ AM_RANGE(0xc0e0, 0xc0e0) AM_READ_PORT("DSW1")
+ AM_RANGE(0xc100, 0xc100) AM_READ_PORT("DSW3") AM_WRITE(soundlatch_byte_w)
+ AM_RANGE(0xc180, 0xc180) AM_WRITE(master_nmi_mask_w)
+ AM_RANGE(0xc185, 0xc185) AM_WRITEONLY AM_SHARE("flipscreen")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( main_cpu2_map, AS_PROGRAM, 8, gyruss_state )
+ AM_RANGE(0x0000, 0x0000) AM_READ(gyruss_scanline_r)
+ AM_RANGE(0x2000, 0x2000) AM_WRITE(slave_irq_mask_w)
+ AM_RANGE(0x4000, 0x403f) AM_RAM
+ AM_RANGE(0x4040, 0x40ff) AM_RAM_WRITE(gyruss_spriteram_w) AM_SHARE("spriteram")
+ AM_RANGE(0x4100, 0x47ff) AM_RAM
+ AM_RANGE(0x6000, 0x67ff) AM_RAM AM_SHARE("share1")
+ AM_RANGE(0xe000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( audio_cpu1_map, AS_PROGRAM, 8, gyruss_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x6000, 0x63ff) AM_RAM
+ AM_RANGE(0x8000, 0x8000) AM_READ(soundlatch_byte_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( audio_cpu1_io_map, AS_IO, 8, gyruss_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_DEVWRITE_LEGACY("ay1", ay8910_address_w)
+ AM_RANGE(0x01, 0x01) AM_DEVREAD_LEGACY("ay1", ay8910_r)
+ AM_RANGE(0x02, 0x02) AM_DEVWRITE_LEGACY("ay1", ay8910_data_w)
+ AM_RANGE(0x04, 0x04) AM_DEVWRITE_LEGACY("ay2", ay8910_address_w)
+ AM_RANGE(0x05, 0x05) AM_DEVREAD_LEGACY("ay2", ay8910_r)
+ AM_RANGE(0x06, 0x06) AM_DEVWRITE_LEGACY("ay2", ay8910_data_w)
+ AM_RANGE(0x08, 0x08) AM_DEVWRITE_LEGACY("ay3", ay8910_address_w)
+ AM_RANGE(0x09, 0x09) AM_DEVREAD_LEGACY("ay3", ay8910_r)
+ AM_RANGE(0x0a, 0x0a) AM_DEVWRITE_LEGACY("ay3", ay8910_data_w)
+ AM_RANGE(0x0c, 0x0c) AM_DEVWRITE_LEGACY("ay4", ay8910_address_w)
+ AM_RANGE(0x0d, 0x0d) AM_DEVREAD_LEGACY("ay4", ay8910_r)
+ AM_RANGE(0x0e, 0x0e) AM_DEVWRITE_LEGACY("ay4", ay8910_data_w)
+ AM_RANGE(0x10, 0x10) AM_DEVWRITE_LEGACY("ay5", ay8910_address_w)
+ AM_RANGE(0x11, 0x11) AM_DEVREAD_LEGACY("ay5", ay8910_r)
+ AM_RANGE(0x12, 0x12) AM_DEVWRITE_LEGACY("ay5", ay8910_data_w)
+ AM_RANGE(0x14, 0x14) AM_WRITE(gyruss_i8039_irq_w)
+ AM_RANGE(0x18, 0x18) AM_WRITE(soundlatch2_byte_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( audio_cpu2_map, AS_PROGRAM, 8, gyruss_state )
+ AM_RANGE(0x0000, 0x0fff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( audio_cpu2_io_map, AS_IO, 8, gyruss_state )
+ AM_RANGE(0x00, 0xff) AM_READ(soundlatch2_byte_r)
+ AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_DEVWRITE_LEGACY("discrete", gyruss_dac_w)
+ AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(gyruss_irq_clear_w)
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( gyruss )
+ PORT_START("SYSTEM")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("P1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_2WAY
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_2WAY
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 1p shoot 2 - unused */
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("P2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_2WAY PORT_COCKTAIL
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_2WAY PORT_COCKTAIL
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 2p shoot 2 - unused */
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("DSW1")
+ KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), DEF_STR( Free_Play ), SW1)
+
+ PORT_START("DSW2")
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2")
+ PORT_DIPSETTING( 0x03, "3" )
+ PORT_DIPSETTING( 0x02, "4" )
+ PORT_DIPSETTING( 0x01, "5" )
+ PORT_DIPSETTING( 0x00, "255 (Cheat)")
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:3")
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:4") /* tables at 0x1653 (15 bytes) or 0x4bf3 (13 bytes) */
+ PORT_DIPSETTING( 0x08, "30k 90k 60k+" ) /* last bonus life at 810k : max. 14 bonus lives */
+ PORT_DIPSETTING( 0x00, "40k 110k 70k+" ) /* last bonus life at 810k : max. 12 bonus lives */
+ PORT_DIPNAME( 0x70, 0x30, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:5,6,7")
+ PORT_DIPSETTING( 0x70, "1 (Easiest)" )
+ PORT_DIPSETTING( 0x60, "2" )
+ PORT_DIPSETTING( 0x50, "3" )
+ PORT_DIPSETTING( 0x40, "4" )
+ PORT_DIPSETTING( 0x30, "5 (Average)" )
+ PORT_DIPSETTING( 0x20, "6" )
+ PORT_DIPSETTING( 0x10, "7" )
+ PORT_DIPSETTING( 0x00, "8 (Hardest)" )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START("DSW3")
+ PORT_DIPNAME( 0x01, 0x00, "Demo Music" ) PORT_DIPLOCATION("SW3:1")
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( gyrussce )
+ PORT_INCLUDE( gyruss )
+
+ PORT_MODIFY("DSW2")
+ PORT_DIPNAME( 0x08, 0x00, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:3") /* tables at 0x1653 (15 bytes) or 0x4bf3 (13 bytes) */
+ PORT_DIPSETTING( 0x08, "50k 120k 70k+" ) /* last bonus life at 960k : max. 14 bonus lives */
+ PORT_DIPSETTING( 0x00, "60k 140k 80k+" ) /* last bonus life at 940k : max. 12 bonus lives */
+ PORT_DIPNAME( 0x70, 0x20, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:5,6,7") /* "Difficult" default setting according to Centuri manual */
+ PORT_DIPSETTING( 0x70, "1 (Easiest)" )
+ PORT_DIPSETTING( 0x60, "2" )
+ PORT_DIPSETTING( 0x50, "3" )
+ PORT_DIPSETTING( 0x40, "4" )
+ PORT_DIPSETTING( 0x30, "5 (Average)" )
+ PORT_DIPSETTING( 0x20, "6" )
+ PORT_DIPSETTING( 0x10, "7" )
+ PORT_DIPSETTING( 0x00, "8 (Hardest)" )
+INPUT_PORTS_END
+
+
+static const gfx_layout charlayout =
+{
+ 8,8, /* 8*8 characters */
+ 512, /* 512 characters */
+ 2, /* 2 bits per pixel */
+ { 4, 0 },
+ { 0, 1, 2, 3, 8*8+0,8*8+1,8*8+2,8*8+3 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 16*8 /* every char takes 16 consecutive bytes */
+};
+
+static const gfx_layout spritelayout =
+{
+ 8,16, /* 8*16 sprites */
+ 256, /* 256 sprites */
+ 4, /* 4 bits per pixel */
+ { 0x4000*8+4, 0x4000*8+0, 4, 0 },
+ { 0, 1, 2, 3, 8*8, 8*8+1, 8*8+2, 8*8+3 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
+ 32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 },
+ 64*8 /* every sprite takes 64 consecutive bytes */
+};
+
+
+static GFXDECODE_START( gyruss )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, spritelayout, 0, 16 ) /* upper half */
+ GFXDECODE_ENTRY( "gfx1", 0x0010, spritelayout, 0, 16 ) /* lower half */
+ GFXDECODE_ENTRY( "gfx2", 0x0000, charlayout, 16*16, 16 )
+GFXDECODE_END
+
+
+static const ay8910_interface ay8910_interface_1 =
+{
+ AY8910_DISCRETE_OUTPUT,
+ { RES_K(3.3), RES_K(3.3), RES_K(3.3) },
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_DEVICE_HANDLER("discrete", gyruss_filter0_w)
+};
+
+static const ay8910_interface ay8910_interface_2 =
+{
+ AY8910_DISCRETE_OUTPUT,
+ { RES_K(3.3), RES_K(3.3), RES_K(3.3) },
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_DEVICE_HANDLER("discrete", gyruss_filter1_w)
+};
+
+static const ay8910_interface ay8910_interface_3 =
+{
+ AY8910_DISCRETE_OUTPUT,
+ { RES_K(3.3), RES_K(3.3), RES_K(3.3) },
+ DEVCB_HANDLER(gyruss_portA_r),
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL
+};
+
+static const ay8910_interface ay8910_interface_4 =
+{
+ AY8910_DISCRETE_OUTPUT,
+ { RES_K(3.3), RES_K(3.3), RES_K(3.3) },
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL
+};
+
+static const ay8910_interface ay8910_interface_5 =
+{
+ AY8910_DISCRETE_OUTPUT,
+ { RES_K(3.3), RES_K(3.3), RES_K(3.3) },
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL
+};
+
+static const discrete_mixer_desc konami_right_mixer_desc =
+ {DISC_MIXER_IS_RESISTOR,
+ {RES_K(2.2), RES_K(2.2), RES_K(2.2), RES_K(3.3)/3, RES_K(3.3)/3 },
+ {0,0,0,0,0,0}, /* no variable resistors */
+ {0,0,0,0,0,0}, /* no node capacitors */
+ 0, 200,
+ CAP_U(0.1),
+ CAP_U(1), /* DC - Removal, not in schematics */
+ 0, 1};
+
+static const discrete_mixer_desc konami_left_mixer_desc =
+ {DISC_MIXER_IS_RESISTOR,
+ {RES_K(2.2), RES_K(2.2), RES_K(2.2), RES_K(3.3)/3, RES_K(4.7) },
+ {0,0,0,0,0,0}, /* no variable resistors */
+ {0,0,0,0,0,0}, /* no node capacitors */
+ 0, 200,
+ CAP_U(0.1),
+ CAP_U(1), /* DC - Removal, not in schematics */
+ 0, 1};
+
+static DISCRETE_SOUND_START( gyruss_sound )
+
+ /* Chip 1 right */
+ DISCRETE_INPUTX_STREAM(NODE_01, 0, 1.0, 0)
+ DISCRETE_INPUTX_STREAM(NODE_02, 1, 1.0, 0)
+ DISCRETE_INPUTX_STREAM(NODE_03, 2, 1.0, 0)
+
+ /* Chip 2 left */
+ DISCRETE_INPUTX_STREAM(NODE_04, 3, 1.0, 0)
+ DISCRETE_INPUTX_STREAM(NODE_05, 4, 1.0, 0)
+ DISCRETE_INPUTX_STREAM(NODE_06, 5, 1.0, 0)
+
+ /* Chip 3 right */
+ /* Outputs are tied together after 3.3k resistor on each channel.
+ * A/R + B/R + C/R = (A + B + C) / 3 * (1/(R/3))
+ */
+ DISCRETE_INPUTX_STREAM(NODE_07, 6, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_08, 7, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_09, 8, 0.33, 0)
+
+ /* Chip 4 right */
+ DISCRETE_INPUTX_STREAM(NODE_10, 9, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_11,10, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_12,11, 0.33, 0)
+
+ /* Chip 5 left */
+ DISCRETE_INPUTX_STREAM(NODE_13,12, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_14,13, 0.33, 0)
+ DISCRETE_INPUTX_STREAM(NODE_15,14, 0.33, 0)
+
+ /* DAC left */
+ /* Output voltage depends on load. Datasheet gives 2.4 as minimum.
+ * This is in line with TTL, so 4V with no load seems adequate */
+ DISCRETE_INPUTX_DATA(NODE_16, 256.0 * 4.0 / 5.0, 0.0, 0.0)
+
+ /* Chip 1 Filter enable */
+ DISCRETE_INPUT_DATA(NODE_21)
+ DISCRETE_INPUT_DATA(NODE_22)
+ DISCRETE_INPUT_DATA(NODE_23)
+
+ /* Chip 2 Filter enable */
+ DISCRETE_INPUT_DATA(NODE_24)
+ DISCRETE_INPUT_DATA(NODE_25)
+ DISCRETE_INPUT_DATA(NODE_26)
+
+ /* Chip 1 Filter */
+ DISCRETE_RCFILTER_SW(NODE_31, 1, NODE_01, NODE_21, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+ DISCRETE_RCFILTER_SW(NODE_32, 1, NODE_02, NODE_22, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+ DISCRETE_RCFILTER_SW(NODE_33, 1, NODE_03, NODE_23, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+
+ /* Chip 2 Filter */
+ DISCRETE_RCFILTER_SW(NODE_34, 1, NODE_04, NODE_24, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+ DISCRETE_RCFILTER_SW(NODE_35, 1, NODE_05, NODE_25, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+ DISCRETE_RCFILTER_SW(NODE_36, 1, NODE_06, NODE_26, AY8910_INTERNAL_RESISTANCE+1000, CAP_U(0.047), CAP_U(0.22), 0, 0)
+
+ /* Chip 3 */
+ DISCRETE_ADDER3(NODE_40, 1, NODE_07, NODE_08, NODE_09)
+ /* Chip 4 */
+ DISCRETE_ADDER3(NODE_41, 1, NODE_10, NODE_11, NODE_12)
+ /* Chip 5 */
+ DISCRETE_ADDER3(NODE_42, 1, NODE_13, NODE_14, NODE_15)
+
+ /* right channel */
+ DISCRETE_MIXER5(NODE_50, 1, NODE_31, NODE_32, NODE_33, NODE_40, NODE_41, &konami_right_mixer_desc)
+ /* left channel */
+ DISCRETE_MIXER5(NODE_51, 1, NODE_34, NODE_35, NODE_36, NODE_42, NODE_16, &konami_left_mixer_desc)
+
+ DISCRETE_OUTPUT(NODE_50, 11.0)
+ DISCRETE_OUTPUT(NODE_51, 11.0)
+
+DISCRETE_SOUND_END
+
+
+static MACHINE_START( gyruss )
+{
+ gyruss_state *state = machine.driver_data<gyruss_state>();
+
+ state->m_audiocpu = machine.device<cpu_device>("audiocpu");
+ state->m_audiocpu_2 = machine.device<cpu_device>("audio2");
+}
+
+static INTERRUPT_GEN( master_vblank_irq )
+{
+ gyruss_state *state = device->machine().driver_data<gyruss_state>();
+
+ if(state->m_master_nmi_mask)
+ device_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE);
+}
+
+static INTERRUPT_GEN( slave_vblank_irq )
+{
+ gyruss_state *state = device->machine().driver_data<gyruss_state>();
+
+ if(state->m_slave_irq_mask)
+ device_set_input_line(device, 0, HOLD_LINE);
+}
+
+static MACHINE_CONFIG_START( gyruss, gyruss_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, 3072000) /* 3.072 MHz (?) */
+ MCFG_CPU_PROGRAM_MAP(main_cpu1_map)
+ MCFG_CPU_VBLANK_INT("screen", master_vblank_irq)
+
+ MCFG_CPU_ADD("sub", M6809, 2000000) /* 2 MHz ??? */
+ MCFG_CPU_PROGRAM_MAP(main_cpu2_map)
+ MCFG_CPU_VBLANK_INT("screen", slave_vblank_irq)
+
+ MCFG_CPU_ADD("audiocpu", Z80,14318180/4) /* 3.579545 MHz */
+ MCFG_CPU_PROGRAM_MAP(audio_cpu1_map)
+ MCFG_CPU_IO_MAP(audio_cpu1_io_map)
+
+ MCFG_CPU_ADD("audio2", I8039,8000000) /* 8MHz crystal */
+ MCFG_CPU_PROGRAM_MAP(audio_cpu2_map)
+ MCFG_CPU_IO_MAP(audio_cpu2_io_map)
+
+ MCFG_QUANTUM_TIME(attotime::from_hz(6000))
+
+ MCFG_MACHINE_START(gyruss)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+ MCFG_SCREEN_SIZE(32*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
+ MCFG_SCREEN_UPDATE_STATIC(gyruss)
+
+ MCFG_GFXDECODE(gyruss)
+ MCFG_PALETTE_LENGTH(16*4+16*16)
+
+ MCFG_PALETTE_INIT(gyruss)
+ MCFG_VIDEO_START(gyruss)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("ay1", AY8910, 14318180/8)
+ MCFG_SOUND_CONFIG(ay8910_interface_1)
+ MCFG_SOUND_ROUTE_EX(0, "discrete", 1.0, 0)
+ MCFG_SOUND_ROUTE_EX(1, "discrete", 1.0, 1)
+ MCFG_SOUND_ROUTE_EX(2, "discrete", 1.0, 2)
+
+ MCFG_SOUND_ADD("ay2", AY8910, 14318180/8)
+ MCFG_SOUND_CONFIG(ay8910_interface_2)
+ MCFG_SOUND_ROUTE_EX(0, "discrete", 1.0, 3)
+ MCFG_SOUND_ROUTE_EX(1, "discrete", 1.0, 4)
+ MCFG_SOUND_ROUTE_EX(2, "discrete", 1.0, 5)
+
+ MCFG_SOUND_ADD("ay3", AY8910, 14318180/8)
+ MCFG_SOUND_CONFIG(ay8910_interface_3)
+ MCFG_SOUND_ROUTE_EX(0, "discrete", 1.0, 6)
+ MCFG_SOUND_ROUTE_EX(1, "discrete", 1.0, 7)
+ MCFG_SOUND_ROUTE_EX(2, "discrete", 1.0, 8)
+
+ MCFG_SOUND_ADD("ay4", AY8910, 14318180/8)
+ MCFG_SOUND_CONFIG(ay8910_interface_4)
+ MCFG_SOUND_ROUTE_EX(0, "discrete", 1.0, 9)
+ MCFG_SOUND_ROUTE_EX(1, "discrete", 1.0, 10)
+ MCFG_SOUND_ROUTE_EX(2, "discrete", 1.0, 11)
+
+ MCFG_SOUND_ADD("ay5", AY8910, 14318180/8)
+ MCFG_SOUND_CONFIG(ay8910_interface_5)
+ MCFG_SOUND_ROUTE_EX(0, "discrete", 1.0, 12)
+ MCFG_SOUND_ROUTE_EX(1, "discrete", 1.0, 13)
+ MCFG_SOUND_ROUTE_EX(2, "discrete", 1.0, 14)
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_SOUND_CONFIG_DISCRETE(gyruss_sound)
+ MCFG_SOUND_ROUTE(0, "rspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "lspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( gyruss )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "gyrussk.1", 0x0000, 0x2000, CRC(c673b43d) SHA1(7c464fb154bac35dd6e2f547e157addeb8798194) )
+ ROM_LOAD( "gyrussk.2", 0x2000, 0x2000, CRC(a4ec03e4) SHA1(08c33ad7fcc2ad5e5787a1050284e3f8164f4618) )
+ ROM_LOAD( "gyrussk.3", 0x4000, 0x2000, CRC(27454a98) SHA1(030c7df225652ee20d5ef64d005eb011dc89a27d) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x10000, "sub", 0 )
+ ROM_LOAD( "gyrussk.9", 0xe000, 0x2000, CRC(822bf27e) SHA1(36d5bea2392a7d3476dd797dc05602705cfa23ef) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 )
+ ROM_LOAD( "gyrussk.1a", 0x0000, 0x2000, CRC(f4ae1c17) SHA1(ae568c96a31d910afe30d2b7eeb9ed1ed07290e3) )
+ ROM_LOAD( "gyrussk.2a", 0x2000, 0x2000, CRC(ba498115) SHA1(9cd1f42898cc590f39ba7cb3c975b0b3d3062eba) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x1000, "audio2", 0 ) /* 8039 */
+ ROM_LOAD( "gyrussk.3a", 0x0000, 0x1000, CRC(3f9b5dea) SHA1(6e807da02c2885b18e8cc2199f12f6be9040bf75) )
+
+ ROM_REGION( 0x8000, "gfx1", 0 )
+ ROM_LOAD( "gyrussk.6", 0x0000, 0x2000, CRC(c949db10) SHA1(fcb8bcbd2bdd751fecb322a33c8a92fb6f07a7ab) )
+ ROM_LOAD( "gyrussk.5", 0x2000, 0x2000, CRC(4f22411a) SHA1(763bcd039f8c1838a0d7da7d4dadc14a26e25596) )
+ ROM_LOAD( "gyrussk.8", 0x4000, 0x2000, CRC(47cd1fbc) SHA1(8203c4ff0b1cd7b4dbc708e300bfeac1e7366e09) )
+ ROM_LOAD( "gyrussk.7", 0x6000, 0x2000, CRC(8e8d388c) SHA1(8f2928d71c02aba977d67575d6e34d69bda2b9d4) )
+
+ ROM_REGION( 0x2000, "gfx2", 0 )
+ ROM_LOAD( "gyrussk.4", 0x0000, 0x2000, CRC(27d8329b) SHA1(564ff945465a23d93a93137ad277298770dfa06a) )
+
+ ROM_REGION( 0x0220, "proms", 0 )
+ ROM_LOAD( "gyrussk.pr3", 0x0000, 0x0020, CRC(98782db3) SHA1(b891e43b25187faca8002919ccb44d744daa3594) ) /* palette */
+ ROM_LOAD( "gyrussk.pr1", 0x0020, 0x0100, CRC(7ed057de) SHA1(c04069ae1e2c62f9b3048844cd8cf5e1b03b7d3c) ) /* sprite lookup table */
+ ROM_LOAD( "gyrussk.pr2", 0x0120, 0x0100, CRC(de823a81) SHA1(1af94b2a6a319a89b238a5076a2867f1cfd279b0) ) /* character lookup table */
+ROM_END
+
+ROM_START( gyrussce )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "gya-1.bin", 0x0000, 0x2000, CRC(85f8b7c2) SHA1(5dde696b53efedee671d500feae1d314e95b1c96) )
+ ROM_LOAD( "gya-2.bin", 0x2000, 0x2000, CRC(1e1a970f) SHA1(5a2e391489608f7571bbb4f85549a79795e2177e) )
+ ROM_LOAD( "gya-3.bin", 0x4000, 0x2000, CRC(f6dbb33b) SHA1(19cab8e7f2f2358b6271ab402f132654e8be95d4) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x10000, "sub", 0 )
+ ROM_LOAD( "gyrussk.9", 0xe000, 0x2000, CRC(822bf27e) SHA1(36d5bea2392a7d3476dd797dc05602705cfa23ef) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 )
+ ROM_LOAD( "gyrussk.1a", 0x0000, 0x2000, CRC(f4ae1c17) SHA1(ae568c96a31d910afe30d2b7eeb9ed1ed07290e3) )
+ ROM_LOAD( "gyrussk.2a", 0x2000, 0x2000, CRC(ba498115) SHA1(9cd1f42898cc590f39ba7cb3c975b0b3d3062eba) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x1000, "audio2", 0 ) /* 8039 */
+ ROM_LOAD( "gyrussk.3a", 0x0000, 0x1000, CRC(3f9b5dea) SHA1(6e807da02c2885b18e8cc2199f12f6be9040bf75) )
+
+ ROM_REGION( 0x8000, "gfx1", 0 )
+ ROM_LOAD( "gyrussk.6", 0x0000, 0x2000, CRC(c949db10) SHA1(fcb8bcbd2bdd751fecb322a33c8a92fb6f07a7ab) )
+ ROM_LOAD( "gyrussk.5", 0x2000, 0x2000, CRC(4f22411a) SHA1(763bcd039f8c1838a0d7da7d4dadc14a26e25596) )
+ ROM_LOAD( "gyrussk.8", 0x4000, 0x2000, CRC(47cd1fbc) SHA1(8203c4ff0b1cd7b4dbc708e300bfeac1e7366e09) )
+ ROM_LOAD( "gyrussk.7", 0x6000, 0x2000, CRC(8e8d388c) SHA1(8f2928d71c02aba977d67575d6e34d69bda2b9d4) )
+
+ ROM_REGION( 0x2000, "gfx2", 0 )
+ ROM_LOAD( "gyrussk.4", 0x0000, 0x2000, CRC(27d8329b) SHA1(564ff945465a23d93a93137ad277298770dfa06a) )
+
+ ROM_REGION( 0x0220, "proms", 0 )
+ ROM_LOAD( "gyrussk.pr3", 0x0000, 0x0020, CRC(98782db3) SHA1(b891e43b25187faca8002919ccb44d744daa3594) ) /* palette */
+ ROM_LOAD( "gyrussk.pr1", 0x0020, 0x0100, CRC(7ed057de) SHA1(c04069ae1e2c62f9b3048844cd8cf5e1b03b7d3c) ) /* sprite lookup table */
+ ROM_LOAD( "gyrussk.pr2", 0x0120, 0x0100, CRC(de823a81) SHA1(1af94b2a6a319a89b238a5076a2867f1cfd279b0) ) /* character lookup table */
+ROM_END
+
+ROM_START( gyrussb ) /* PCB has stickers stating "TAITO (NEW ZEALAND) LTD" */
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "1.bin", 0x0000, 0x2000, CRC(6bc21c10) SHA1(9d44f766398b9994f90edb2ffb272b4f22564854) ) /* Labeled as "1", minor code patch / redirection */
+ ROM_LOAD( "gyrussk.2", 0x2000, 0x2000, CRC(a4ec03e4) SHA1(08c33ad7fcc2ad5e5787a1050284e3f8164f4618) ) /* Labeled as "2" */
+ ROM_LOAD( "gyrussk.3", 0x4000, 0x2000, CRC(27454a98) SHA1(030c7df225652ee20d5ef64d005eb011dc89a27d) ) /* Labeled as "3" */
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x10000, "sub", 0 )
+ ROM_LOAD( "gyrussk.9", 0xe000, 0x2000, CRC(822bf27e) SHA1(36d5bea2392a7d3476dd797dc05602705cfa23ef) ) /* Labeled as "9" */
+
+ ROM_REGION( 0x10000, "audiocpu", 0 )
+ ROM_LOAD( "gyrussk.1a", 0x0000, 0x2000, CRC(f4ae1c17) SHA1(ae568c96a31d910afe30d2b7eeb9ed1ed07290e3) ) /* Labeled as "11" */
+ ROM_LOAD( "gyrussk.2a", 0x2000, 0x2000, CRC(ba498115) SHA1(9cd1f42898cc590f39ba7cb3c975b0b3d3062eba) ) /* Labeled as "12" */
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x1000, "audio2", 0 ) /* 8039 */
+ ROM_LOAD( "gyrussk.3a", 0x0000, 0x1000, CRC(3f9b5dea) SHA1(6e807da02c2885b18e8cc2199f12f6be9040bf75) ) /* Labeled as "13" */
+
+ ROM_REGION( 0x8000, "gfx1", 0 )
+ ROM_LOAD( "gyrussk.6", 0x0000, 0x2000, CRC(c949db10) SHA1(fcb8bcbd2bdd751fecb322a33c8a92fb6f07a7ab) ) /* Labeled as "6" */
+ ROM_LOAD( "gyrussk.5", 0x2000, 0x2000, CRC(4f22411a) SHA1(763bcd039f8c1838a0d7da7d4dadc14a26e25596) ) /* Labeled as "5" */
+ ROM_LOAD( "gyrussk.8", 0x4000, 0x2000, CRC(47cd1fbc) SHA1(8203c4ff0b1cd7b4dbc708e300bfeac1e7366e09) ) /* Labeled as "8" */
+ ROM_LOAD( "gyrussk.7", 0x6000, 0x2000, CRC(8e8d388c) SHA1(8f2928d71c02aba977d67575d6e34d69bda2b9d4) ) /* Labeled as "7" */
+
+ ROM_REGION( 0x2000, "gfx2", 0 )
+ ROM_LOAD( "gyrussk.4", 0x0000, 0x2000, CRC(27d8329b) SHA1(564ff945465a23d93a93137ad277298770dfa06a) ) /* Labeled as "4" */
+
+ ROM_REGION( 0x0220, "proms", 0 )
+ ROM_LOAD( "gyrussk.pr3", 0x0000, 0x0020, CRC(98782db3) SHA1(b891e43b25187faca8002919ccb44d744daa3594) ) /* palette */
+ ROM_LOAD( "gyrussk.pr1", 0x0020, 0x0100, CRC(7ed057de) SHA1(c04069ae1e2c62f9b3048844cd8cf5e1b03b7d3c) ) /* sprite lookup table */
+ ROM_LOAD( "gyrussk.pr2", 0x0120, 0x0100, CRC(de823a81) SHA1(1af94b2a6a319a89b238a5076a2867f1cfd279b0) ) /* character lookup table */
+ROM_END
+
+ROM_START( venus )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "r1", 0x0000, 0x2000, CRC(d030abb1) SHA1(14a70e15f5df9ef957779771d8915203d3828532) )
+ ROM_LOAD( "r2", 0x2000, 0x2000, CRC(dbf65d4d) SHA1(a0ad0dc3420442f06691bda2115fadd961ce86a7) )
+ ROM_LOAD( "r3", 0x4000, 0x2000, CRC(db246fcd) SHA1(c0228b35591c9e1c778370a2abd3739c441f14aa) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x10000, "sub", 0 )
+ ROM_LOAD( "gyrussk.9", 0xe000, 0x2000, CRC(822bf27e) SHA1(36d5bea2392a7d3476dd797dc05602705cfa23ef) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 )
+ ROM_LOAD( "gyrussk.1a", 0x0000, 0x2000, CRC(f4ae1c17) SHA1(ae568c96a31d910afe30d2b7eeb9ed1ed07290e3) )
+ ROM_LOAD( "gyrussk.2a", 0x2000, 0x2000, CRC(ba498115) SHA1(9cd1f42898cc590f39ba7cb3c975b0b3d3062eba) )
+ /* the diagnostics ROM would go here */
+
+ ROM_REGION( 0x1000, "audio2", 0 ) /* 8039 */
+ ROM_LOAD( "gyrussk.3a", 0x0000, 0x1000, CRC(3f9b5dea) SHA1(6e807da02c2885b18e8cc2199f12f6be9040bf75) )
+
+ ROM_REGION( 0x8000, "gfx1", 0 )
+ ROM_LOAD( "gyrussk.6", 0x0000, 0x2000, CRC(c949db10) SHA1(fcb8bcbd2bdd751fecb322a33c8a92fb6f07a7ab) )
+ ROM_LOAD( "gyrussk.5", 0x2000, 0x2000, CRC(4f22411a) SHA1(763bcd039f8c1838a0d7da7d4dadc14a26e25596) )
+ ROM_LOAD( "gyrussk.8", 0x4000, 0x2000, CRC(47cd1fbc) SHA1(8203c4ff0b1cd7b4dbc708e300bfeac1e7366e09) )
+ ROM_LOAD( "gyrussk.7", 0x6000, 0x2000, CRC(8e8d388c) SHA1(8f2928d71c02aba977d67575d6e34d69bda2b9d4) )
+
+ ROM_REGION( 0x2000, "gfx2", 0 )
+ ROM_LOAD( "gyrussk.4", 0x0000, 0x2000, CRC(27d8329b) SHA1(564ff945465a23d93a93137ad277298770dfa06a) )
+
+ ROM_REGION( 0x0220, "proms", 0 )
+ ROM_LOAD( "gyrussk.pr3", 0x0000, 0x0020, CRC(98782db3) SHA1(b891e43b25187faca8002919ccb44d744daa3594) ) /* palette */
+ ROM_LOAD( "gyrussk.pr1", 0x0020, 0x0100, CRC(7ed057de) SHA1(c04069ae1e2c62f9b3048844cd8cf5e1b03b7d3c) ) /* sprite lookup table */
+ ROM_LOAD( "gyrussk.pr2", 0x0120, 0x0100, CRC(de823a81) SHA1(1af94b2a6a319a89b238a5076a2867f1cfd279b0) ) /* character lookup table */
+ROM_END
+
+
+static DRIVER_INIT( gyruss )
+{
+ konami1_decode(machine, "sub");
+}
+
+
+GAME( 1983, gyruss, 0, gyruss, gyruss, gyruss, ROT90, "Konami", "Gyruss (Konami)", GAME_SUPPORTS_SAVE )
+GAME( 1983, gyrussce, gyruss, gyruss, gyrussce, gyruss, ROT90, "Konami (Centuri license)", "Gyruss (Centuri)", GAME_SUPPORTS_SAVE )
+GAME( 1983, gyrussb, gyruss, gyruss, gyruss, gyruss, ROT90, "bootleg", "Gyruss", GAME_SUPPORTS_SAVE ) /* Supposed Taito NZ license, but (c) Konami */
+GAME( 1983, venus, gyruss, gyruss, gyruss, gyruss, ROT90, "bootleg", "Venus", GAME_SUPPORTS_SAVE )