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Diffstat (limited to 'trunk/src/mame/drivers/hvyunit.c')
-rw-r--r--trunk/src/mame/drivers/hvyunit.c818
1 files changed, 818 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/hvyunit.c b/trunk/src/mame/drivers/hvyunit.c
new file mode 100644
index 00000000000..856701c62c6
--- /dev/null
+++ b/trunk/src/mame/drivers/hvyunit.c
@@ -0,0 +1,818 @@
+/***************************************************************************************
+
+Heavy Unit
+Kaneko/Taito 1988
+
+Driver based on djboy.c / airbustr.c
+
+This game runs on Kaneko hardware. The game is similar to R-Type.
+
+PCB Layout
+----------
+M6100391A
+M6100392A 880210204
+KNA-001
+|----------------------------------------------------|
+| |
+| 6116 6116 |
+| 15Mhz 6116 |
+| PAL |
+| B73_09.2P B73_11.5P |
+| |
+| |
+| Z80-1 DSW1 DSW2 J|
+| A|
+| 16MHz M|
+| M|
+| 12MHz 6264 MERMAID A|
+| B73_05.1H |
+| B73_04.1F B73_08.2F 6116 Z80-2 |
+| B73_03.1D Z80-3 B73_12.7E |
+| B73_02.1C B73_07.2C PANDORA B73_10.5C 6116 |
+| B73_01.1B B73_06.2B 4164 4164 6264 PAL YM3014 |
+| 4164 4164 PAL YM2203 |
+|----------------------------------------------------|
+
+Notes:
+ Z80-1 clock : 6.000MHz
+ Z80-2 clock : 6.000MHz
+ Z80-3 clock : 6.000MHz
+ YM2203 clock : 3.000MHz
+ VSync : 58Hz
+ HSync : 15.59kHz
+ \-\ : KANEKO 1988. DIP40 8751 MCU
+ MERMAID | : pin 18,19 = 6.000MHz (main clock)
+ | : pin 30 = 1.000MHz (prog/ale)
+ /-/ : pin 22 = 111.48Hz (port 2 bit 1)
+
+ PANDORA : KANEKO PX79480FP-3 PANDORA-CHIP (C) KANEKO 1988
+
+
+To Do:
+------
+
+- Fix cocktail mode
+- Fix Flip Screen (currently displays an information screen and emulation hangs)
+
+
+***************************************************************************************/
+
+#include "emu.h"
+#include "deprecat.h"
+#include "cpu/z80/z80.h"
+#include "cpu/mcs51/mcs51.h"
+#include "sound/2203intf.h"
+#include "video/kan_pand.h"
+
+
+
+/*************************************
+ *
+ * Driver state
+ *
+ *************************************/
+
+class hvyunit_state : public driver_device
+{
+public:
+ hvyunit_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) { }
+
+ /* Video */
+ UINT8 *m_videoram;
+ UINT8 *m_colorram;
+ tilemap_t *m_bg_tilemap;
+ UINT16 m_scrollx;
+ UINT16 m_scrolly;
+ UINT16 m_port0_data;
+
+ /* Interrupts */
+ UINT8 m_int_vector;
+
+ /* Mermaid */
+ UINT8 m_data_to_mermaid;
+ UINT8 m_data_to_z80;
+ UINT8 m_mermaid_to_z80_full;
+ UINT8 m_z80_to_mermaid_full;
+ UINT8 m_mermaid_int0_l;
+ UINT8 m_mermaid_p[4];
+
+ /* Devices */
+ device_t *m_master_cpu;
+ device_t *m_slave_cpu;
+ device_t *m_sound_cpu;
+ device_t *m_mermaid;
+ device_t *m_pandora;
+};
+
+
+/*************************************
+ *
+ * Initialisation
+ *
+ *************************************/
+
+static MACHINE_START( hvyunit )
+{
+ hvyunit_state *state = machine.driver_data<hvyunit_state>();
+
+ state->m_master_cpu = machine.device("master");
+ state->m_slave_cpu = machine.device("slave");
+ state->m_sound_cpu = machine.device("soundcpu");
+ state->m_mermaid = machine.device("mermaid");
+ state->m_pandora = machine.device("pandora");
+
+ // TODO: Save state
+}
+
+static MACHINE_RESET( hvyunit )
+{
+ hvyunit_state *state = machine.driver_data<hvyunit_state>();
+
+ state->m_int_vector = 0xff;
+ state->m_mermaid_int0_l = 1;
+ state->m_mermaid_to_z80_full = 0;
+ state->m_z80_to_mermaid_full = 0;
+}
+
+
+/*************************************
+ *
+ * Video hardware
+ *
+ *************************************/
+
+static TILE_GET_INFO( get_bg_tile_info )
+{
+ hvyunit_state *state = machine.driver_data<hvyunit_state>();
+
+ int attr = state->m_colorram[tile_index];
+ int code = state->m_videoram[tile_index] + ((attr & 0x0f) << 8);
+ int color = (attr >> 4);
+
+ SET_TILE_INFO(1, code, color, 0);
+}
+
+static VIDEO_START( hvyunit )
+{
+ hvyunit_state *state = machine.driver_data<hvyunit_state>();
+ state->m_bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 16, 16, 32, 32);
+}
+
+static SCREEN_UPDATE( hvyunit )
+{
+#define SX_POS 96
+#define SY_POS 0
+ hvyunit_state *state = screen->machine().driver_data<hvyunit_state>();
+
+ tilemap_set_scrollx(state->m_bg_tilemap, 0, ((state->m_port0_data & 0x40) << 2) + state->m_scrollx + SX_POS); // TODO
+ tilemap_set_scrolly(state->m_bg_tilemap, 0, ((state->m_port0_data & 0x80) << 1) + state->m_scrolly + SY_POS); // TODO
+ bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
+ tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0);
+ pandora_update(state->m_pandora, bitmap, cliprect);
+
+ return 0;
+}
+
+static SCREEN_EOF( hvyunit )
+{
+ hvyunit_state *state = machine.driver_data<hvyunit_state>();
+ pandora_eof(state->m_pandora);
+}
+
+
+/*************************************
+ *
+ * Master CPU handlers
+ *
+ *************************************/
+
+static WRITE8_HANDLER( trigger_nmi_on_slave_cpu )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+ device_set_input_line(state->m_slave_cpu, INPUT_LINE_NMI, PULSE_LINE);
+}
+
+static WRITE8_HANDLER( master_bankswitch_w )
+{
+ unsigned char *ROM = space->machine().region("master")->base();
+ int bank = data & 7;
+ ROM = &ROM[0x4000 * bank];
+ memory_set_bankptr(space->machine(), "bank1", ROM);
+}
+
+static WRITE8_HANDLER( mermaid_data_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_data_to_mermaid = data;
+ state->m_z80_to_mermaid_full = 1;
+ state->m_mermaid_int0_l = 0;
+ device_set_input_line(state->m_mermaid, INPUT_LINE_IRQ0, ASSERT_LINE);
+}
+
+static READ8_HANDLER( mermaid_data_r )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_mermaid_to_z80_full = 0;
+ return state->m_data_to_z80;
+}
+
+static READ8_HANDLER( mermaid_status_r )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ return (!state->m_mermaid_to_z80_full << 2) | (state->m_z80_to_mermaid_full << 3);
+}
+
+
+/*************************************
+ *
+ * Slave CPU handlers
+ *
+ *************************************/
+
+static WRITE8_HANDLER( trigger_nmi_on_sound_cpu2 )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ soundlatch_w(space, 0, data);
+ device_set_input_line(state->m_sound_cpu, INPUT_LINE_NMI, PULSE_LINE);
+}
+
+static WRITE8_HANDLER( hu_videoram_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_videoram[offset] = data;
+ tilemap_mark_tile_dirty(state->m_bg_tilemap, offset);
+}
+
+static WRITE8_HANDLER( hu_colorram_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_colorram[offset] = data;
+ tilemap_mark_tile_dirty(state->m_bg_tilemap, offset);
+}
+
+static WRITE8_HANDLER( slave_bankswitch_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ unsigned char *ROM = space->machine().region("slave")->base();
+ int bank = (data & 0x03);
+ state->m_port0_data = data;
+ ROM = &ROM[0x4000 * bank];
+
+ memory_set_bankptr(space->machine(), "bank2", ROM);
+}
+
+static WRITE8_HANDLER( hu_scrollx_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+ state->m_scrollx = data;
+}
+
+static WRITE8_HANDLER( hu_scrolly_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+ state->m_scrolly = data;
+}
+
+static WRITE8_HANDLER( coin_count_w )
+{
+ coin_counter_w(space->machine(), 0, data & 1);
+ coin_counter_w(space->machine(), 1, data & 2);
+}
+
+
+/*************************************
+ *
+ * Sound CPU handlers
+ *
+ *************************************/
+
+static WRITE8_HANDLER( sound_bankswitch_w )
+{
+ unsigned char *ROM = space->machine().region("soundcpu")->base();
+ int bank = data & 0x3;
+ ROM = &ROM[0x4000 * bank];
+
+ memory_set_bankptr(space->machine(), "bank3", ROM);
+}
+
+
+/*************************************
+ *
+ * Protection MCU handlers
+ *
+ *************************************/
+
+static READ8_HANDLER( mermaid_p0_r )
+{
+ // ?
+ return 0;
+}
+
+static WRITE8_HANDLER( mermaid_p0_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ if (!BIT(state->m_mermaid_p[0], 1) && BIT(data, 1))
+ {
+ state->m_mermaid_to_z80_full = 1;
+ state->m_data_to_z80 = state->m_mermaid_p[1];
+ }
+
+ if (BIT(data, 0) == 1)
+ state->m_z80_to_mermaid_full = 0;
+
+ state->m_mermaid_p[0] = data;
+}
+
+static READ8_HANDLER( mermaid_p1_r )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ if (BIT(state->m_mermaid_p[0], 0) == 0)
+ return state->m_data_to_mermaid;
+ else
+ return 0; // ?
+}
+
+static WRITE8_HANDLER( mermaid_p1_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ if (data == 0xff)
+ {
+ state->m_mermaid_int0_l = 1;
+ device_set_input_line(state->m_mermaid, INPUT_LINE_IRQ0, CLEAR_LINE);
+ }
+
+ state->m_mermaid_p[1] = data;
+}
+
+static READ8_HANDLER( mermaid_p2_r )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ switch ((state->m_mermaid_p[0] >> 2) & 3)
+ {
+ case 0: return input_port_read(space->machine(), "IN1");
+ case 1: return input_port_read(space->machine(), "IN2");
+ case 2: return input_port_read(space->machine(), "IN0");
+ default: return 0xff;
+ }
+}
+
+static WRITE8_HANDLER( mermaid_p2_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_mermaid_p[2] = data;
+}
+
+static READ8_HANDLER( mermaid_p3_r )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ UINT8 dsw = 0;
+ UINT8 dsw1 = input_port_read(space->machine(), "DSW1");
+ UINT8 dsw2 = input_port_read(space->machine(), "DSW2");
+
+ switch ((state->m_mermaid_p[0] >> 5) & 3)
+ {
+ case 0: dsw = (BIT(dsw2, 4) << 3) | (BIT(dsw2, 0) << 2) | (BIT(dsw1, 4) << 1) | BIT(dsw1, 0); break;
+ case 1: dsw = (BIT(dsw2, 5) << 3) | (BIT(dsw2, 1) << 2) | (BIT(dsw1, 5) << 1) | BIT(dsw1, 1); break;
+ case 2: dsw = (BIT(dsw2, 6) << 3) | (BIT(dsw2, 2) << 2) | (BIT(dsw1, 6) << 1) | BIT(dsw1, 2); break;
+ case 3: dsw = (BIT(dsw2, 7) << 3) | (BIT(dsw2, 3) << 2) | (BIT(dsw1, 7) << 1) | BIT(dsw1, 3); break;
+ }
+
+ return (dsw << 4) | (state->m_mermaid_int0_l << 2) | (state->m_mermaid_to_z80_full << 3);
+}
+
+static WRITE8_HANDLER( mermaid_p3_w )
+{
+ hvyunit_state *state = space->machine().driver_data<hvyunit_state>();
+
+ state->m_mermaid_p[3] = data;
+ device_set_input_line(state->m_slave_cpu, INPUT_LINE_RESET, data & 2 ? CLEAR_LINE : ASSERT_LINE);
+}
+
+
+/*************************************
+ *
+ * Memory maps
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( master_memory, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
+ AM_RANGE(0xc000, 0xcfff) AM_DEVREADWRITE("pandora", pandora_spriteram_r, pandora_spriteram_w)
+ AM_RANGE(0xd000, 0xdfff) AM_RAM
+ AM_RANGE(0xe000, 0xffff) AM_RAM AM_SHARE("share1")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( master_io, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITE(master_bankswitch_w)
+ AM_RANGE(0x01, 0x01) AM_WRITE(master_bankswitch_w) // correct?
+ AM_RANGE(0x02, 0x02) AM_WRITE(trigger_nmi_on_slave_cpu)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( slave_memory, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank2")
+ AM_RANGE(0xc000, 0xc3ff) AM_RAM_WRITE(hu_videoram_w) AM_BASE_MEMBER(hvyunit_state, m_videoram)
+ AM_RANGE(0xc400, 0xc7ff) AM_RAM_WRITE(hu_colorram_w) AM_BASE_MEMBER(hvyunit_state, m_colorram)
+ AM_RANGE(0xd000, 0xd1ff) AM_RAM_WRITE(paletteram_xxxxRRRRGGGGBBBB_split2_w) AM_BASE_GENERIC(paletteram2)
+ AM_RANGE(0xd800, 0xd9ff) AM_RAM_WRITE(paletteram_xxxxRRRRGGGGBBBB_split1_w) AM_BASE_GENERIC(paletteram)
+ AM_RANGE(0xd000, 0xdfff) AM_RAM
+ AM_RANGE(0xe000, 0xffff) AM_RAM AM_SHARE("share1")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( slave_io, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITE(slave_bankswitch_w)
+ AM_RANGE(0x02, 0x02) AM_WRITE(trigger_nmi_on_sound_cpu2)
+ AM_RANGE(0x04, 0x04) AM_READWRITE(mermaid_data_r, mermaid_data_w)
+ AM_RANGE(0x06, 0x06) AM_WRITE(hu_scrolly_w)
+ AM_RANGE(0x08, 0x08) AM_WRITE(hu_scrollx_w)
+ AM_RANGE(0x0c, 0x0c) AM_READ(mermaid_status_r)
+ AM_RANGE(0x0e, 0x0e) AM_WRITE(coin_count_w)
+
+// AM_RANGE(0x22, 0x22) AM_READ(hu_scrolly_hi_reset) //22/a2 taken from ram $f065
+// AM_RANGE(0xa2, 0xa2) AM_READ(hu_scrolly_hi_set)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( sound_memory, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank3")
+ AM_RANGE(0xc000, 0xc7ff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_io, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITE(sound_bankswitch_w)
+ AM_RANGE(0x02, 0x03) AM_DEVREADWRITE("ymsnd", ym2203_r, ym2203_w)
+ AM_RANGE(0x04, 0x04) AM_READ(soundlatch_r)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( mcu_io, AS_IO, 8 )
+ AM_RANGE(MCS51_PORT_P0, MCS51_PORT_P0) AM_READWRITE(mermaid_p0_r, mermaid_p0_w)
+ AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READWRITE(mermaid_p1_r, mermaid_p1_w)
+ AM_RANGE(MCS51_PORT_P2, MCS51_PORT_P2) AM_READWRITE(mermaid_p2_r, mermaid_p2_w)
+ AM_RANGE(MCS51_PORT_P3, MCS51_PORT_P3) AM_READWRITE(mermaid_p3_r, mermaid_p3_w)
+ADDRESS_MAP_END
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( hvyunit )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("DSW1")
+ PORT_DIPNAME( 0x01, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("DSW1:1")
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("DSW1:2")
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Service_Mode ) ) PORT_DIPLOCATION("DSW1:3")
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, ( "Coin Mode" ) ) PORT_DIPLOCATION("DSW1:4")
+ PORT_DIPSETTING( 0x08, ( "Mode 1" ) )
+ PORT_DIPSETTING( 0x00, ( "Mode 2" ) )
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("DSW1:5,6")
+ PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_6C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_3C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_4C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("DSW1:7,8")
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_6C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x08)
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_1C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0x40, DEF_STR( 1C_3C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_4C ) ) PORT_CONDITION("DSW1", 0x08, PORTCOND_EQUALS, 0x00)
+
+ PORT_START("DSW2")
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("DSW2:1,2")
+ PORT_DIPSETTING( 0x02, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("DSW2:3")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x00, "Bonus" ) PORT_DIPLOCATION("DSW2:4")
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW2:5,6")
+ PORT_DIPSETTING( 0x30, "3" )
+ PORT_DIPSETTING( 0x20, "4" )
+ PORT_DIPSETTING( 0x10, "5" )
+ PORT_DIPSETTING( 0x00, "7" )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("DSW2:7")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_DIPUNUSED_DIPLOC( 0x80, 0x80, "DSW2:8")
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( hvyunitj )
+ PORT_INCLUDE(hvyunit)
+
+ PORT_MODIFY("DSW1")
+ PORT_DIPUNUSED_DIPLOC( 0x08, 0x08, "DSW1:4")
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("DSW1:5,6")
+ PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ) )
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("DSW1:7,8")
+ PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 1C_2C ) )
+INPUT_PORTS_END
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static const gfx_layout tile_layout =
+{
+ 16,16,
+ RGN_FRAC(1,1),
+ 4,
+ { 0, 1, 2, 3 },
+ {
+ 0*4,1*4,2*4,3*4,4*4,5*4,6*4,7*4,
+ 8*32+0*4,8*32+1*4,8*32+2*4,8*32+3*4,8*32+4*4,8*32+5*4,8*32+6*4,8*32+7*4
+ },
+ {
+ 0*32,1*32,2*32,3*32,4*32,5*32,6*32,7*32,
+ 16*32+0*32,16*32+1*32,16*32+2*32,16*32+3*32,16*32+4*32,16*32+5*32,16*32+6*32,16*32+7*32
+ },
+ 4*8*32
+};
+
+static GFXDECODE_START( hvyunit )
+ GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0x100, 16 ) /* sprite bank */
+ GFXDECODE_ENTRY( "gfx2", 0, tile_layout, 0x000, 16 ) /* background tiles */
+GFXDECODE_END
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static INTERRUPT_GEN( hvyunit_interrupt )
+{
+ hvyunit_state *state = device->machine().driver_data<hvyunit_state>();
+
+ state->m_int_vector ^= 0x02;
+ device_set_input_line_and_vector(device, 0, HOLD_LINE, state->m_int_vector);
+}
+
+static const kaneko_pandora_interface hvyunit_pandora_config =
+{
+ "screen", /* screen tag */
+ 0, /* gfx_region */
+ 0, 0 /* x_offs, y_offs */
+};
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_CONFIG_START( hvyunit, hvyunit_state )
+
+ MCFG_CPU_ADD("master", Z80, 6000000)
+ MCFG_CPU_PROGRAM_MAP(master_memory)
+ MCFG_CPU_IO_MAP(master_io)
+ MCFG_CPU_VBLANK_INT_HACK(hvyunit_interrupt, 2)
+
+ MCFG_CPU_ADD("slave", Z80, 6000000)
+ MCFG_CPU_PROGRAM_MAP(slave_memory)
+ MCFG_CPU_IO_MAP(slave_io)
+ MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
+
+ MCFG_CPU_ADD("soundcpu", Z80, 6000000)
+ MCFG_CPU_PROGRAM_MAP(sound_memory)
+ MCFG_CPU_IO_MAP(sound_io)
+ MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
+
+ MCFG_CPU_ADD("mermaid", I80C51, 6000000)
+ MCFG_CPU_IO_MAP(mcu_io)
+
+ MCFG_QUANTUM_TIME(attotime::from_hz(6000))
+
+ MCFG_MACHINE_START(hvyunit)
+ MCFG_MACHINE_RESET(hvyunit)
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(58)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(256, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 240-1)
+ MCFG_SCREEN_UPDATE(hvyunit)
+ MCFG_SCREEN_EOF(hvyunit)
+
+ MCFG_GFXDECODE(hvyunit)
+ MCFG_PALETTE_LENGTH(0x800)
+
+ MCFG_KANEKO_PANDORA_ADD("pandora", hvyunit_pandora_config)
+
+ MCFG_VIDEO_START(hvyunit)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("ymsnd", YM2203, 3000000)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
+MACHINE_CONFIG_END
+
+
+
+/*************************************
+ *
+ * ROM definition(s)
+ *
+ *************************************/
+
+ROM_START( hvyunit )
+ ROM_REGION( 0x20000, "master", 0 )
+ ROM_LOAD( "b73_10.5c", 0x00000, 0x20000, CRC(ca52210f) SHA1(346951962aa5bbad641117dbd66f035dddc7c0bf) )
+
+ ROM_REGION( 0x10000, "slave", 0 )
+ ROM_LOAD( "b73_11.5p", 0x00000, 0x10000, CRC(cb451695) SHA1(116fd59f96a54c22fae65eea9ee5e58cb9ce5074) )
+
+ ROM_REGION( 0x10000, "soundcpu", 0 )
+ ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) )
+
+ ROM_REGION( 0x1000, "mermaid", 0 )
+ ROM_LOAD( "mermaid.bin", 0x0000, 0x0e00, CRC(88c5dd27) SHA1(5043fed7fd192891be7e4096f2c5daaae1538bc4) )
+
+ ROM_REGION( 0x200000, "gfx1", 0 )
+ ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) )
+ ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) )
+ ROM_LOAD( "b73_06.2b", 0x120000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) )
+ ROM_LOAD( "b73_01.1b", 0x140000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) )
+ ROM_LOAD( "b73_02.1c", 0x160000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) )
+ ROM_LOAD( "b73_03.1d", 0x180000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) )
+ /* 0x190000, 0x010000 no data */
+ ROM_LOAD( "b73_04.1f", 0x1a0000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) )
+ /* 0x1b0000, 0x010000 no data */
+ ROM_LOAD( "b73_05.1h", 0x1c0000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) )
+
+ ROM_REGION( 0x80000, "gfx2", 0 )
+ ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) )
+ROM_END
+
+ROM_START( hvyunitj )
+ ROM_REGION( 0x20000, "master", 0 )
+ ROM_LOAD( "b73_30.5c", 0x00000, 0x20000, CRC(600af545) SHA1(c52b9be2bae28848ad0818c296f000a1bda4fa4f) )
+
+ ROM_REGION( 0x10000, "slave", 0 )
+ ROM_LOAD( "b73_14.5p", 0x00000, 0x10000, CRC(0dfb51d4) SHA1(0e6f3b3d4558f12fe1b1620f57a0f4ac2065fd1a) )
+
+ ROM_REGION( 0x10000, "soundcpu", 0 )
+ ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) )
+
+ ROM_REGION( 0x1000, "mermaid", 0 )
+ ROM_LOAD( "mermaid.bin", 0x0000, 0x0e00, CRC(88c5dd27) SHA1(5043fed7fd192891be7e4096f2c5daaae1538bc4) )
+
+ ROM_REGION( 0x200000, "gfx1", 0 ) /* note, the rom ordering on this is different to the other Japan set */
+ ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) )
+ ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) )
+ ROM_LOAD( "b73_06.2b", 0x110000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) )
+ ROM_LOAD( "b73_01.1b", 0x120000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) )
+ ROM_LOAD( "b73_02.1c", 0x130000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) )
+ ROM_LOAD( "b73_03.1d", 0x140000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) )
+ ROM_LOAD( "b73_04.1f", 0x150000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) )
+ ROM_LOAD( "b73_05.1h", 0x160000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) )
+
+ ROM_REGION( 0x80000, "gfx2", 0 )
+ ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) )
+ROM_END
+
+ROM_START( hvyunitjo )
+ ROM_REGION( 0x20000, "master", 0 )
+ ROM_LOAD( "b73_13.5c", 0x00000, 0x20000, CRC(e2874601) SHA1(7f7f3287113b8622eb365d04135d2d9c35d70554) )
+
+ ROM_REGION( 0x10000, "slave", 0 )
+ ROM_LOAD( "b73_14.5p", 0x00000, 0x10000, CRC(0dfb51d4) SHA1(0e6f3b3d4558f12fe1b1620f57a0f4ac2065fd1a) )
+
+ ROM_REGION( 0x10000, "soundcpu", 0 )
+ ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) )
+
+ ROM_REGION( 0x1000, "mermaid", 0 )
+ ROM_LOAD( "mermaid.bin", 0x0000, 0x0e00, CRC(88c5dd27) SHA1(5043fed7fd192891be7e4096f2c5daaae1538bc4) )
+
+ ROM_REGION( 0x200000, "gfx1", 0 )
+ ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) )
+ ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) )
+ ROM_LOAD( "b73_06.2b", 0x120000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) )
+ ROM_LOAD( "b73_01.1b", 0x140000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) )
+ ROM_LOAD( "b73_02.1c", 0x160000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) )
+ ROM_LOAD( "b73_03.1d", 0x180000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) )
+ /* 0x190000, 0x010000 no data */
+ ROM_LOAD( "b73_04.1f", 0x1a0000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) )
+ /* 0x1b0000, 0x010000 no data */
+ ROM_LOAD( "b73_05.1h", 0x1c0000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) )
+
+ ROM_REGION( 0x80000, "gfx2", 0 )
+ ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) )
+ROM_END
+
+ROM_START( hvyunitu )
+ ROM_REGION( 0x20000, "master", 0 )
+ ROM_LOAD( "b73_34.5c", 0x00000, 0x20000, CRC(05c30a90) SHA1(97cc0ded2896e0945d790247c284e5058c28c735) )
+
+ ROM_REGION( 0x10000, "slave", 0 )
+ ROM_LOAD( "b73_35.6p", 0x00000, 0x10000, CRC(aed1669d) SHA1(d0539261d6128fa2d58b529e8383b6d1f3ccac77) )
+
+ ROM_REGION( 0x10000, "soundcpu", 0 )
+ ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) )
+
+ ROM_REGION( 0x1000, "mermaid", 0 )
+ ROM_LOAD( "mermaid.bin", 0x0000, 0x0e00, CRC(88c5dd27) SHA1(5043fed7fd192891be7e4096f2c5daaae1538bc4) )
+
+ ROM_REGION( 0x200000, "gfx1", 0 )
+ ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) )
+ ROM_LOAD( "b73_28.2c", 0x100000, 0x020000, CRC(a02e08d6) SHA1(72764d4e8474aaac0674fd1c20278a706da7ade2) )
+ ROM_LOAD( "b73_27.2b", 0x120000, 0x020000, CRC(8708f97c) SHA1(ccddc7f2fa53c5e35345c2db0520f515c512b723) )
+ ROM_LOAD( "b73_25.0b", 0x140000, 0x020000, CRC(2f13f81e) SHA1(9d9c1869bf582a0bc0581cdf5b65237124b9e456) ) /* the data in first half of this actually differs slightly to the other sets, a 0x22 fill is replaced by 0xff on empty tiles */
+ ROM_LOAD( "b73_26.0c", 0x160000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) ) /* == b73_05.1h, despite the different label */
+
+ ROM_REGION( 0x80000, "gfx2", 0 )
+ ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) )
+ROM_END
+
+
+/*************************************
+ *
+ * Game driver(s)
+ *
+ *************************************/
+
+GAME( 1988, hvyunit, 0, hvyunit, hvyunit, 0, ROT0, "Kaneko / Taito", "Heavy Unit (World)", GAME_NO_COCKTAIL )
+GAME( 1988, hvyunitj, hvyunit, hvyunit, hvyunitj, 0, ROT0, "Kaneko / Taito", "Heavy Unit (Japan, Newer)", GAME_NO_COCKTAIL )
+GAME( 1988, hvyunitjo,hvyunit, hvyunit, hvyunitj, 0, ROT0, "Kaneko / Taito", "Heavy Unit (Japan, Older)", GAME_NO_COCKTAIL )
+GAME( 1988, hvyunitu, hvyunit, hvyunit, hvyunitj, 0, ROT0, "Kaneko / Taito", "Heavy Unit -U.S.A. Version- (US)", GAME_NO_COCKTAIL )