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Diffstat (limited to 'src/mame/drivers/megazone.c')
-rw-r--r--src/mame/drivers/megazone.c616
1 files changed, 616 insertions, 0 deletions
diff --git a/src/mame/drivers/megazone.c b/src/mame/drivers/megazone.c
new file mode 100644
index 00000000000..f3181eca2d7
--- /dev/null
+++ b/src/mame/drivers/megazone.c
@@ -0,0 +1,616 @@
+/**************************************************************************
+
+Based on drivers from Juno First emulator by Chris Hardy (chris@junofirst.freeserve.co.uk)
+
+To enter service mode, keep 1&2 pressed on reset
+
+***************************************************************************/
+
+#include "driver.h"
+#include "cpu/m6809/m6809.h"
+#include "cpu/i8039/i8039.h"
+#include "cpu/z80/z80.h"
+#include "sound/ay8910.h"
+#include "sound/dac.h"
+#include "sound/flt_rc.h"
+
+
+void konami1_decode(void);
+
+extern UINT8 *megazone_scrollx;
+extern UINT8 *megazone_scrolly;
+
+static UINT8 *megazone_sharedram;
+
+extern UINT8 *megazone_videoram2;
+extern UINT8 *megazone_colorram2;
+extern size_t megazone_videoram2_size;
+
+static int i8039_status;
+
+VIDEO_START( megazone );
+
+WRITE8_HANDLER( megazone_flipscreen_w );
+PALETTE_INIT( megazone );
+WRITE8_HANDLER( megazone_sprite_bank_select_w );
+VIDEO_UPDATE( megazone );
+
+
+
+static READ8_HANDLER( megazone_portA_r )
+{
+ int clock,timer;
+
+
+ /* main xtal 14.318MHz, divided by 8 to get the AY-3-8910 clock, further */
+ /* divided by 1024 to get this timer */
+ /* The base clock for the CPU and 8910 is NOT the same, so we have to */
+ /* compensate. */
+ /* (divide by (1024/2), and not 1024, because the CPU cycle counter is */
+ /* incremented every other state change of the clock) */
+
+ clock = activecpu_gettotalcycles() * 7159/12288; /* = (14318/8)/(18432/6) */
+ timer = (clock / (1024/2)) & 0x0f;
+
+ /* low three bits come from the 8039 */
+
+ return (timer << 4) | i8039_status;
+}
+
+static WRITE8_HANDLER( megazone_portB_w )
+{
+ int i;
+
+
+ for (i = 0;i < 3;i++)
+ {
+ int C;
+
+
+ C = 0;
+ if (data & 1) C += 10000; /* 10000pF = 0.01uF */
+ if (data & 2) C += 220000; /* 220000pF = 0.22uF */
+ data >>= 2;
+ filter_rc_set_RC(i,FLT_RC_LOWPASS,1000,2200,200,CAP_P(C));
+ }
+}
+
+static WRITE8_HANDLER( megazone_videoram2_w )
+{
+ if (megazone_videoram2[offset] != data)
+ {
+ megazone_videoram2[offset] = data;
+ }
+}
+
+static WRITE8_HANDLER( megazone_colorram2_w )
+{
+ if (megazone_colorram2[offset] != data)
+ {
+ megazone_colorram2[offset] = data;
+ }
+}
+
+static READ8_HANDLER( megazone_sharedram_r )
+{
+ return(megazone_sharedram[offset]);
+}
+
+static WRITE8_HANDLER( megazone_sharedram_w )
+{
+ megazone_sharedram[offset] = data;
+}
+
+static WRITE8_HANDLER( megazone_i8039_irq_w )
+{
+ cpunum_set_input_line(2, 0, ASSERT_LINE);
+}
+
+static WRITE8_HANDLER( i8039_irqen_and_status_w )
+{
+ if ((data & 0x80) == 0)
+ cpunum_set_input_line(2, 0, CLEAR_LINE);
+ i8039_status = (data & 0x70) >> 4;
+}
+
+static WRITE8_HANDLER( megazone_coin_counter_w )
+{
+ coin_counter_w(1-offset,data); /* 1-offset, because coin counters are in reversed order */
+}
+
+
+
+static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x2000, 0x2fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x3000, 0x33ff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x3800, 0x3fff) AM_READ(megazone_sharedram_r)
+ AM_RANGE(0x4000, 0xffff) AM_READ(MRA8_ROM) /* 4000->5FFF is a debug rom */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0001) AM_WRITE(megazone_coin_counter_w) /* coin counter 2, coin counter 1 */
+ AM_RANGE(0x0005, 0x0005) AM_WRITE(megazone_flipscreen_w)
+ AM_RANGE(0x0007, 0x0007) AM_WRITE(interrupt_enable_w)
+ AM_RANGE(0x0800, 0x0800) AM_WRITE(watchdog_reset_w)
+ AM_RANGE(0x1800, 0x1800) AM_WRITE(MWA8_RAM) AM_BASE(&megazone_scrollx)
+ AM_RANGE(0x1000, 0x1000) AM_WRITE(MWA8_RAM) AM_BASE(&megazone_scrolly)
+ AM_RANGE(0x2000, 0x23ff) AM_WRITE(videoram_w) AM_BASE(&videoram) AM_SIZE(&videoram_size)
+ AM_RANGE(0x2400, 0x27ff) AM_WRITE(megazone_videoram2_w) AM_BASE(&megazone_videoram2) AM_SIZE(&megazone_videoram2_size)
+ AM_RANGE(0x2800, 0x2bff) AM_WRITE(colorram_w) AM_BASE(&colorram)
+ AM_RANGE(0x2c00, 0x2fff) AM_WRITE(megazone_colorram2_w) AM_BASE(&megazone_colorram2)
+ AM_RANGE(0x3000, 0x33ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
+ AM_RANGE(0x3800, 0x3fff) AM_WRITE(megazone_sharedram_w) AM_BASE(&megazone_sharedram)
+ AM_RANGE(0x4000, 0xffff) AM_WRITE(MWA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x1fff) AM_READ(MRA8_ROM)
+ AM_RANGE(0x6000, 0x6000) AM_READ(input_port_0_r) /* IO Coin */
+ AM_RANGE(0x6001, 0x6001) AM_READ(input_port_1_r) /* P1 IO */
+ AM_RANGE(0x6002, 0x6002) AM_READ(input_port_2_r) /* P2 IO */
+ AM_RANGE(0x8000, 0x8000) AM_READ(input_port_3_r) /* DIP 1 */
+ AM_RANGE(0x8001, 0x8001) AM_READ(input_port_4_r) /* DIP 2 */
+ AM_RANGE(0xe000, 0xe7ff) AM_READ(megazone_sharedram_r) /* Shared with $3800->3fff of main CPU */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x1fff) AM_WRITE(MWA8_ROM)
+ AM_RANGE(0x2000, 0x2000) AM_WRITE(megazone_i8039_irq_w) /* START line. Interrupts 8039 */
+ AM_RANGE(0x4000, 0x4000) AM_WRITE(soundlatch_w) /* CODE line. Command Interrupts 8039 */
+ AM_RANGE(0xa000, 0xa000) AM_WRITE(MWA8_RAM) /* INTMAIN - Interrupts main CPU (unused) */
+ AM_RANGE(0xc000, 0xc000) AM_WRITE(MWA8_RAM) /* INT (Actually is NMI) enable/disable (unused)*/
+ AM_RANGE(0xc001, 0xc001) AM_WRITE(watchdog_reset_w)
+ AM_RANGE(0xe000, 0xe7ff) AM_WRITE(megazone_sharedram_w) /* Shared with $3800->3fff of main CPU */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_readport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x00, 0x02) AM_READ(AY8910_read_port_0_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_writeport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x00, 0x00) AM_WRITE(AY8910_control_port_0_w)
+ AM_RANGE(0x02, 0x02) AM_WRITE(AY8910_write_port_0_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( i8039_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( i8039_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( i8039_readport, ADDRESS_SPACE_IO, 8 )
+ AM_RANGE(0x00, 0xff) AM_READ(soundlatch_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( i8039_writeport, ADDRESS_SPACE_IO, 8 )
+ AM_RANGE(I8039_p1, I8039_p1) AM_WRITE(DAC_0_data_w)
+ AM_RANGE(I8039_p2, I8039_p2) AM_WRITE(i8039_irqen_and_status_w)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( megazone )
+ PORT_START_TAG("IN0")
+ 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( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START_TAG("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) 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_TAG("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START_TAG("DSW1")
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x03, "3" )
+ PORT_DIPSETTING( 0x02, "4" )
+ PORT_DIPSETTING( 0x01, "5" )
+ PORT_DIPSETTING( 0x00, "Infinite (Cheat)")
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )
+ PORT_DIPSETTING( 0x18, "20k 70k" )
+ PORT_DIPSETTING( 0x10, "20k 80k" )
+ PORT_DIPSETTING( 0x08, "30k 90k" )
+ PORT_DIPSETTING( 0x00, "30k 100k" )
+ PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x20, "Difficult" )
+ PORT_DIPSETTING( 0x00, "Very Difficult" )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START_TAG("DSW2")
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+INPUT_PORTS_END
+
+
+
+static const gfx_layout charlayout =
+{
+ 8,8, /* 8*8 characters */
+ 512, /* 512 characters */
+ 4, /* 4 bits per pixel */
+ { 0, 1, 2, 3 }, /* the four bitplanes are packed in one nibble */
+ { 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8 /* every char takes 8 consecutive bytes */
+};
+
+static const gfx_layout spritelayout =
+{
+ 16,16, /* 16*16 sprites */
+ 256, /* 256 sprites */
+ 4, /* 4 bits per pixel */
+ { 0x4000*8+4, 0x4000*8+0, 4, 0 },
+ { 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3,
+ 16*8+0, 16*8+1, 16*8+2, 16*8+3, 24*8+0, 24*8+1, 24*8+2, 24*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( megazone )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 16 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, spritelayout, 16*16, 16 )
+GFXDECODE_END
+
+
+
+static struct AY8910interface ay8910_interface =
+{
+ megazone_portA_r,
+ 0,
+ 0,
+ megazone_portB_w
+};
+
+
+
+static MACHINE_DRIVER_START( megazone )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M6809, 18432000/9) /* 2 MHz */
+ MDRV_CPU_PROGRAM_MAP(readmem,writemem)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ MDRV_CPU_ADD(Z80,18432000/6) /* Z80 Clock is derived from the H1 signal */
+ MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
+ MDRV_CPU_IO_MAP(sound_readport,sound_writeport)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ MDRV_CPU_ADD(I8039,(14318000/2)/I8039_CLOCK_DIVIDER)
+ /* audio CPU */ /* 1/2 14MHz crystal */
+ MDRV_CPU_PROGRAM_MAP(i8039_readmem,i8039_writemem)
+ MDRV_CPU_IO_MAP(i8039_readport,i8039_writeport)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_INTERLEAVE(15)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(36*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 36*8-1, 2*8, 30*8-1)
+ MDRV_GFXDECODE(megazone)
+ MDRV_PALETTE_LENGTH(32)
+ MDRV_COLORTABLE_LENGTH(16*16+16*16)
+
+ MDRV_PALETTE_INIT(megazone)
+ MDRV_VIDEO_START(megazone)
+ MDRV_VIDEO_UPDATE(megazone)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(AY8910, 14318000/8)
+ MDRV_SOUND_CONFIG(ay8910_interface)
+ MDRV_SOUND_ROUTE(0, "filter.0.0", 0.30)
+ MDRV_SOUND_ROUTE(1, "filter.0.1", 0.30)
+ MDRV_SOUND_ROUTE(2, "filter.0.2", 0.30)
+
+ MDRV_SOUND_ADD(DAC, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ MDRV_SOUND_ADD_TAG("filter.0.0", FILTER_RC, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+ MDRV_SOUND_ADD_TAG("filter.0.1", FILTER_RC, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+ MDRV_SOUND_ADD_TAG("filter.0.2", FILTER_RC, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( megazone )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "319i07.bin", 0x6000, 0x2000, CRC(94b22ea8) SHA1(dc3ed2a0d1a12df51e46561324d78b7d655be313) )
+ ROM_LOAD( "319i06.bin", 0x8000, 0x2000, CRC(0468b619) SHA1(a6755728fab37674749f9b77cb53f6f228102f2f) )
+ ROM_LOAD( "319i05.bin", 0xa000, 0x2000, CRC(ac59000c) SHA1(c7568589f6b0e1706e996fdfed9c16755541951e) )
+ ROM_LOAD( "319i04.bin", 0xc000, 0x2000, CRC(1e968603) SHA1(fd818f678a3dc8d48a30f9f7670bfcb42a3009a2) )
+ ROM_LOAD( "319i03.bin", 0xe000, 0x2000, CRC(0888b803) SHA1(37249bfb14c6c3ce40ad68be457ab1f66fd7ea70) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 )
+ ROM_LOAD( "319e02.bin", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
+
+ ROM_REGION( 0x1000, REGION_CPU3, 0 ) /* 4k for the 8039 DAC CPU */
+ ROM_LOAD( "319e01.bin", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
+
+ ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e12.bin", 0x0000, 0x2000, CRC(e0fb7835) SHA1(44ccaaf92bdb83323f45e08dbe118697720e9105) )
+ ROM_LOAD( "319e13.bin", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) )
+
+ ROM_REGION( 0x08000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e11.bin", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
+ ROM_LOAD( "319e09.bin", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
+ ROM_LOAD( "319e10.bin", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
+ ROM_LOAD( "319e08.bin", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
+
+ ROM_REGION( 0x0260, REGION_PROMS, 0 )
+ ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
+ ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
+ ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
+ ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
+ ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
+ROM_END
+
+ROM_START( megaznik )
+ ROM_REGION( 2*0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "ic59_cpu.bin", 0x6000, 0x2000, CRC(f41922a0) SHA1(9f54509da18721a76593921c6e52085e62e6ea6b) )
+ ROM_LOAD( "ic58_cpu.bin", 0x8000, 0x2000, CRC(7fd7277b) SHA1(e773247e0c9419cae49e04962ea362a2976c2db2) )
+ ROM_LOAD( "ic57_cpu.bin", 0xa000, 0x2000, CRC(a4b33b51) SHA1(12bb4da0319a7fe355e5ea4945759c8709aed5fe) )
+ ROM_LOAD( "ic56_cpu.bin", 0xc000, 0x2000, CRC(2aabcfbf) SHA1(f0054af98bd68158eab3328f8cf2a04b35e812c7) )
+ ROM_LOAD( "ic55_cpu.bin", 0xe000, 0x2000, CRC(b33a3c37) SHA1(2f1fdf1b9f18fcc9bd97cc9adeecc4ce77dd30c9) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 )
+ ROM_LOAD( "319e02.bin", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
+
+ ROM_REGION( 0x1000, REGION_CPU3, 0 ) /* 4k for the 8039 DAC CPU */
+ ROM_LOAD( "319e01.bin", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
+
+ ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "ic40_vid.bin", 0x0000, 0x2000, CRC(07b8b24b) SHA1(faadcb20ee8b26b9ab0692df6a81e5423514863e) )
+ ROM_LOAD( "319e13.bin", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) )
+
+ ROM_REGION( 0x08000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e11.bin", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
+ ROM_LOAD( "319e09.bin", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
+ ROM_LOAD( "319e10.bin", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
+ ROM_LOAD( "319e08.bin", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
+
+ ROM_REGION( 0x0260, REGION_PROMS, 0 )
+ ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
+ ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
+ ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
+ ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
+ ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
+ROM_END
+
+/* Info provided with these alt sets
+
+ MEGA ZONE CHIP PLACEMENT
+
+USES 69A09EP, Z80 CPU'S & AY-3-8910 SOUND CHIP W/8039 CPU
+
+THERE ARE AT LEAST THREE VERSIONS OF MEGA ZONE, ALL THE ROMS ARE THE
+SAME EXCEPT POSITION 6,7,8,9,11H IN SETS 1,2
+ALL ROMS ARE 2764 EXCEPT H01 (E01) IS A 2732
+
+CHIP # POSITION VERS 3
+-----------------------------------------------------
+VER-1 VER-2
+-----------------------------------------------------
+319-E08 2D E08 REAR BOARD 8 SAME
+319-E09 2E E09 " 9 SAME
+319-E10 3D E10 " 10 SAME
+319-E11 3E E11 " 11 SAME
+319-G12 8C G12 " 12
+319-G13 10C G13 " 13 SAME
+319-E02 6D E02 CONN BOARD 2 SAME
+319-H03 6H J03 " 3
+319-H04 7H J04 " 4
+319-H05 8H J05 " 5
+319-H06 9H J06 " 6
+319-H07 11H J07 " 7
+319-H01 3A E01 " 1 SAME
+Z80 7E IC#
+AY-3-8910 8B PROM 98 TBP18S030 (82S123)
+AO72 12F KONAMI PROM 48 "
+K824-501 8D KONAMI PROM 42 "
+8039 4B PROM 63 TBP24S10 (823126)
+ PROM 33 "
+ PAL16L8 63
+ PAL16L8A 67
+
+VERSION 3 IS ON THE SAME SIZE CONNECTOR BOARD, BUT THE BOTTOM
+BOARD IS ABOUT 1 1/4" LONGER AND WIDER
+
+THE CHIPS THAT HAVE THE DESIGNATION SCRATCHED OFF ON THE ORIGINAL
+BOARDS ARE NAME CHIP TYPE
+ ---------------------------
+CONN BOARD IC3 TMP8039P-6
+ " IC6 AY3-8910
+ " IC26 Z-80
+ " IC39 MC68A09EP (CUSTOM ON ORIGINAL)
+ " IC27 N/U (CUSTOM ON ORIGINAL)
+REAR BOARD 1C026 N/U (CUSTOM ON ORIGINAL)
+
+*/
+
+ROM_START( megazona )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "7.12g", 0x6000, 0x2000, CRC(d42d67bf) SHA1(adac80d183ad26a9b1ec25a2da7ebbb33b441b63) )
+ ROM_LOAD( "6.10g", 0x8000, 0x2000, CRC(692398eb) SHA1(518001d738c2fb9417e52edfe9a7b74a074af3b0) )
+ ROM_LOAD( "5.9g", 0xa000, 0x2000, CRC(620ffec3) SHA1(e047beb29e0cda72126e8dcdd0b7504a202efba2) )
+ ROM_LOAD( "4.8g", 0xc000, 0x2000, CRC(28650971) SHA1(25e405fb9f648b7118e3c7c7b3ba59a7b7c29c42) )
+ ROM_LOAD( "3.6g", 0xe000, 0x2000, CRC(f264018f) SHA1(6ca0f7e26311799b0650a6c58567405bc2a7f922) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 )
+ ROM_LOAD( "319-h02", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
+
+ ROM_REGION( 0x1000, REGION_CPU3, 0 ) /* 4k for the 8039 DAC CPU */
+ ROM_LOAD( "319-h01", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // same as e01?
+
+ ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e12.bin", 0x0000, 0x2000, CRC(e0fb7835) SHA1(44ccaaf92bdb83323f45e08dbe118697720e9105) ) // 12.9c
+ ROM_LOAD( "319-g13", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13?
+
+ ROM_REGION( 0x08000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e11.bin", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
+ ROM_LOAD( "319e09.bin", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
+ ROM_LOAD( "319e10.bin", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
+ ROM_LOAD( "319e08.bin", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
+
+ ROM_REGION( 0x0260, REGION_PROMS, 0 )
+ ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
+ ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
+ ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
+ ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
+ ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
+ROM_END
+
+ROM_START( megazonb )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "319-j07", 0x6000, 0x2000, CRC(5161a523) SHA1(90b456c30bccaaca96c75c2f421af3a2875b0b6b) )
+ ROM_LOAD( "319-j06", 0x8000, 0x2000, CRC(7344c3de) SHA1(d3867738d4828afa50c8b43116d68cc6074d6cb5) )
+ ROM_LOAD( "319-j05", 0xa000, 0x2000, CRC(affa492b) SHA1(ee6789f293902716d65d08a89ae12dd96c75c885) )
+ ROM_LOAD( "319-j04", 0xc000, 0x2000, CRC(03544ab3) SHA1(efa034cc6976b47915601cf215758df23e308878) )
+ ROM_LOAD( "319-j03", 0xe000, 0x2000, CRC(0d95cc0a) SHA1(9aadadf09a4826da451ee35c89ee0254ec552d80) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 )
+ ROM_LOAD( "319-h02", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
+
+ ROM_REGION( 0x1000, REGION_CPU3, 0 ) /* 4k for the 8039 DAC CPU */
+ ROM_LOAD( "319-h01", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // same as e01?
+
+ ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e12.bin", 0x0000, 0x2000, CRC(e0fb7835) SHA1(44ccaaf92bdb83323f45e08dbe118697720e9105) ) // 12.9c
+ ROM_LOAD( "319-g13", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13?
+
+ ROM_REGION( 0x08000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e11.bin", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
+ ROM_LOAD( "319e09.bin", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
+ ROM_LOAD( "319e10.bin", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
+ ROM_LOAD( "319e08.bin", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
+
+ ROM_REGION( 0x0260, REGION_PROMS, 0 )
+ ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
+ ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
+ ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
+ ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
+ ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
+ROM_END
+
+ROM_START( megazonc )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "319-h07", 0x6000, 0x2000, CRC(8ca47f64) SHA1(1a20db5ac504b9b004116cfa6992d63a86a04cc5) )
+ ROM_LOAD( "319-h06", 0x8000, 0x2000, CRC(ed35b12e) SHA1(69e88c4801c838a24aba0a867af205a7169ad089) )
+ ROM_LOAD( "319-h05", 0xa000, 0x2000, CRC(c3655ccd) SHA1(b86b58a12c6ced9a7e0a6d0cdb3881a28220a650) )
+ ROM_LOAD( "319-h04", 0xc000, 0x2000, CRC(9e221177) SHA1(0c6fffd657d66090362108578aa78eb36bdcce6b) )
+ ROM_LOAD( "319-h03", 0xe000, 0x2000, CRC(9048955b) SHA1(d8a7b46d984832f566298d3b417b3a34c9fea6c7) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 )
+ ROM_LOAD( "319-h02", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
+
+ ROM_REGION( 0x1000, REGION_CPU3, 0 ) /* 4k for the 8039 DAC CPU */
+ ROM_LOAD( "319-h01", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // same as e01?
+
+ ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e12.bin", 0x0000, 0x2000, CRC(e0fb7835) SHA1(44ccaaf92bdb83323f45e08dbe118697720e9105) ) // 12.9c
+ ROM_LOAD( "319-g13", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13?
+
+ ROM_REGION( 0x08000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "319e11.bin", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
+ ROM_LOAD( "319e09.bin", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
+ ROM_LOAD( "319e10.bin", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
+ ROM_LOAD( "319e08.bin", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
+
+ ROM_REGION( 0x0260, REGION_PROMS, 0 )
+ ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
+ ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
+ ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
+ ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
+ ROM_LOAD( "prom.48", 0x0240, 0x020, CRC(796dea94) SHA1(bab3c2a5466e1c07ec27cccf7b1a21e9de4ed982) ) /* timing (not used) */
+ROM_END
+
+
+static DRIVER_INIT( megazone )
+{
+ konami1_decode();
+}
+
+/* these just display a Konami copyright, no logo */
+GAME( 1983, megazone, 0, megazone, megazone, megazone, ROT90, "Konami", "Mega Zone (Konami set 1)", 0 )
+GAME( 1983, megazona, megazone, megazone, megazone, megazone, ROT90, "Konami", "Mega Zone (Konami set 2)", 0 )
+
+/* these display Konami and Kosuka copyright, no logo */
+GAME( 1983, megazonb, megazone, megazone, megazone, megazone, ROT90, "Konami / Kosuka", "Mega Zone (Kosuka set 1)", 0 )
+GAME( 1983, megazonc, megazone, megazone, megazone, megazone, ROT90, "Konami / Kosuka", "Mega Zone (Kosuka set 2)", 0 )
+
+/* this displays Konami and Kosuka copyright with a Konami / Interlogic logo */
+GAME( 1983, megaznik, megazone, megazone, megazone, megazone, ROT90, "Konami / Interlogic + Kosuka", "Mega Zone (Interlogic + Kosuka)", 0 )