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Diffstat (limited to 'src/mame/drivers/gaelco.c')
-rw-r--r--src/mame/drivers/gaelco.c1337
1 files changed, 1337 insertions, 0 deletions
diff --git a/src/mame/drivers/gaelco.c b/src/mame/drivers/gaelco.c
new file mode 100644
index 00000000000..ebfb57d36d6
--- /dev/null
+++ b/src/mame/drivers/gaelco.c
@@ -0,0 +1,1337 @@
+/***************************************************************************
+
+ Gaelco game hardware from 1991-1996
+
+ Driver by Manuel Abadia
+
+***************************************************************************/
+
+#include "driver.h"
+#include "cpu/m6809/m6809.h"
+#include "cpu/m68000/m68000.h"
+#include "sound/okim6295.h"
+#include "sound/3812intf.h"
+
+extern UINT16 *gaelco_vregs;
+extern UINT16 *gaelco_videoram;
+extern UINT16 *gaelco_spriteram;
+extern tilemap *gaelco_tilemap[2];
+static UINT16 *gaelco_screen;
+
+/* from video/gaelco.c */
+WRITE16_HANDLER( gaelco_vram_w );
+
+
+#define TILELAYOUT8(NUM) static const gfx_layout tilelayout8_##NUM = \
+{ \
+ 8,8, /* 8x8 tiles */ \
+ NUM/8, /* number of tiles */ \
+ 4, /* bitplanes */ \
+ { 0*NUM*8, 1*NUM*8, 2*NUM*8, 3*NUM*8 }, /* plane offsets */ \
+ { 0,1,2,3,4,5,6,7 }, \
+ { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 }, \
+ 8*8 \
+}
+
+#define TILELAYOUT16(NUM) static const gfx_layout tilelayout16_##NUM = \
+{ \
+ 16,16, /* 16x16 tiles */ \
+ NUM/32, /* number of tiles */ \
+ 4, /* bitplanes */ \
+ { 0*NUM*8, 1*NUM*8, 2*NUM*8, 3*NUM*8 }, /* plane offsets */ \
+ { 0,1,2,3,4,5,6,7, 16*8+0,16*8+1,16*8+2,16*8+3,16*8+4,16*8+5,16*8+6,16*8+7 }, \
+ { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8, 8*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 }, \
+ 32*8 \
+}
+
+#define GFXDECODEINFO(NUM,ENTRIES) \
+static GFXDECODE_START( NUM )\
+ GFXDECODE_ENTRY( REGION_GFX1, 0x000000, tilelayout8_##NUM,0, ENTRIES ) \
+ GFXDECODE_ENTRY( REGION_GFX1, 0x000000, tilelayout16_##NUM,0, ENTRIES ) \
+GFXDECODE_END
+
+
+/*============================================================================
+ BIG KARNAK
+ ============================================================================*/
+
+VIDEO_START( bigkarnk );
+VIDEO_UPDATE( bigkarnk );
+
+
+static ADDRESS_MAP_START( bigkarnk_readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_READ(MRA16_RAM) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_READ(MRA16_RAM) /* Screen RAM */
+ AM_RANGE(0x200000, 0x2007ff) AM_READ(MRA16_RAM) /* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_READ(MRA16_RAM) /* Sprite RAM */
+ AM_RANGE(0x700000, 0x700001) AM_READ(input_port_0_word_r)/* DIPSW #1 */
+ AM_RANGE(0x700002, 0x700003) AM_READ(input_port_1_word_r)/* DIPSW #2 */
+ AM_RANGE(0x700004, 0x700005) AM_READ(input_port_2_word_r)/* INPUT #1 */
+ AM_RANGE(0x700006, 0x700007) AM_READ(input_port_3_word_r)/* INPUT #2 */
+ AM_RANGE(0x700008, 0x700009) AM_READ(input_port_4_word_r)/* Service + Test */
+ AM_RANGE(0xff8000, 0xffffff) AM_READ(MRA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+static WRITE16_HANDLER( bigkarnk_sound_command_w )
+{
+ if (ACCESSING_LSB){
+ soundlatch_w(0,data & 0xff);
+ cpunum_set_input_line(1,M6809_FIRQ_LINE,HOLD_LINE);
+ }
+}
+
+static WRITE16_HANDLER( bigkarnk_coin_w )
+{
+ if (ACCESSING_LSB){
+ switch ((offset >> 3)){
+ case 0x00: /* Coin Lockouts */
+ case 0x01:
+ coin_lockout_w( (offset >> 3) & 0x01, ~data & 0x01);
+ break;
+ case 0x02: /* Coin Counters */
+ case 0x03:
+ coin_counter_w( (offset >> 3) & 0x01, data & 0x01);
+ break;
+ }
+ }
+}
+
+static ADDRESS_MAP_START( bigkarnk_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_WRITE(gaelco_vram_w) AM_BASE(&gaelco_videoram) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_WRITE(MWA16_RAM) /* Screen RAM */
+ AM_RANGE(0x108000, 0x108007) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_vregs) /* Video Registers */
+// AM_RANGE(0x10800c, 0x10800d) AM_WRITE(watchdog_reset_w) /* INT 6 ACK/Watchdog timer */
+ AM_RANGE(0x200000, 0x2007ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)/* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_spriteram) /* Sprite RAM */
+ AM_RANGE(0x70000e, 0x70000f) AM_WRITE(bigkarnk_sound_command_w) /* Triggers a FIRQ on the sound CPU */
+ AM_RANGE(0x70000a, 0x70003b) AM_WRITE(bigkarnk_coin_w) /* Coin Counters + Coin Lockout */
+ AM_RANGE(0xff8000, 0xffffff) AM_WRITE(MWA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( bigkarnk_readmem_snd, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x07ff) AM_READ(MRA8_RAM) /* RAM */
+ AM_RANGE(0x0800, 0x0801) AM_READ(OKIM6295_status_0_r) /* OKI6295 */
+ AM_RANGE(0x0a00, 0x0a00) AM_READ(YM3812_status_port_0_r) /* YM3812 */
+ AM_RANGE(0x0b00, 0x0b00) AM_READ(soundlatch_r) /* Sound latch */
+ AM_RANGE(0x0c00, 0xffff) AM_READ(MRA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( bigkarnk_writemem_snd, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x07ff) AM_WRITE(MWA8_RAM) /* RAM */
+ AM_RANGE(0x0800, 0x0800) AM_WRITE(OKIM6295_data_0_w) /* OKI6295 */
+// AM_RANGE(0x0900, 0x0900) AM_WRITE(MWA8_NOP) /* enable sound output? */
+ AM_RANGE(0x0a00, 0x0a00) AM_WRITE(YM3812_control_port_0_w)/* YM3812 */
+ AM_RANGE(0x0a01, 0x0a01) AM_WRITE(YM3812_write_port_0_w) /* YM3812 */
+ AM_RANGE(0x0c00, 0xffff) AM_WRITE(MWA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( bigkarnk )
+ PORT_START /* DSW #1 */
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
+ 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( 0x00, "Free Play (if Coin B too)" )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
+ 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( 0x00, "Free Play (if Coin A too)" )
+
+ PORT_START /* DSW #2 */
+ PORT_DIPNAME( 0x07, 0x06, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x07, "0" )
+ PORT_DIPSETTING( 0x06, "1" )
+ PORT_DIPSETTING( 0x05, "2" )
+ PORT_DIPSETTING( 0x04, "3" )
+ PORT_DIPSETTING( 0x03, "4" )
+ PORT_DIPSETTING( 0x02, "5" )
+ PORT_DIPSETTING( 0x01, "6" )
+ PORT_DIPSETTING( 0x00, "7" )
+ PORT_DIPNAME( 0x18, 0x08, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x18, "1" )
+ PORT_DIPSETTING( 0x10, "2" )
+ PORT_DIPSETTING( 0x08, "3" )
+ PORT_DIPSETTING( 0x00, "4" )
+ PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, "Impact" )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* 1P INPUTS & COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START /* 2P INPUTS & STARTSW */
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
+
+ PORT_START /* Service + Test */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_DIPNAME( 0x02, 0x02, "Go to test mode now" )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )
+INPUT_PORTS_END
+
+
+TILELAYOUT8(0x100000);
+TILELAYOUT16(0x100000);
+
+GFXDECODEINFO(0x100000,64);
+
+
+static MACHINE_DRIVER_START( bigkarnk )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000, 10000000) /* MC68000P10, 10 MHz */
+ MDRV_CPU_PROGRAM_MAP(bigkarnk_readmem,bigkarnk_writemem)
+ MDRV_CPU_VBLANK_INT(irq6_line_hold,1)
+
+ MDRV_CPU_ADD(M6809, 8867000/4) /* 68B09, 2.21675 MHz? */
+ /* audio CPU */
+ MDRV_CPU_PROGRAM_MAP(bigkarnk_readmem_snd,bigkarnk_writemem_snd)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
+ MDRV_INTERLEAVE(10)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*16, 32*16)
+ MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 16, 256-1)
+ MDRV_GFXDECODE(0x100000)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_VIDEO_START(bigkarnk)
+ MDRV_VIDEO_UPDATE(bigkarnk)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(YM3812, 3580000)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ MDRV_SOUND_ADD(OKIM6295, 1056000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+
+ROM_START( bigkarnk )
+ ROM_REGION( 0x080000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "d16", 0x000000, 0x040000, CRC(44fb9c73) SHA1(c33852b37afea15482f4a43cb045434660e7a056) )
+ ROM_LOAD16_BYTE( "d19", 0x000001, 0x040000, CRC(ff79dfdd) SHA1(2bfa440299317967ba2018d3a148291ae0c144ae) )
+
+ ROM_REGION( 0x01e000, REGION_CPU2, 0 ) /* 6809 code */
+ ROM_LOAD( "d5", 0x000000, 0x010000, CRC(3b73b9c5) SHA1(1b1c5545609a695dab87d611bd53e0c3dd91e6b7) )
+
+ ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "h5", 0x000000, 0x080000, CRC(20e239ff) SHA1(685059340f0f3a8e3c98702bd760dae685a58ddb) )
+ ROM_RELOAD( 0x080000, 0x080000 )
+ ROM_LOAD( "h10",0x100000, 0x080000, CRC(ab442855) SHA1(bcd69d4908ff8dc1b2215d2c2d2e54b950e0c015) )
+ ROM_RELOAD( 0x180000, 0x080000 )
+ ROM_LOAD( "h8", 0x200000, 0x080000, CRC(83dce5a3) SHA1(b4f9473e93c96f4b86c446e89d13fd3ef2b03996) )
+ ROM_RELOAD( 0x280000, 0x080000 )
+ ROM_LOAD( "h6", 0x300000, 0x080000, CRC(24e84b24) SHA1(c0ad6ce1e4b8aa7b9c9a3db8bb0165e90f4b48ed) )
+ ROM_RELOAD( 0x380000, 0x080000 )
+
+ ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* ADPCM samples - sound chip is OKIM6295 */
+ ROM_LOAD( "d1", 0x000000, 0x040000, CRC(26444ad1) SHA1(804101b9bbb6e1b6d43a1e9d91737f9c3b27802a) )
+ROM_END
+
+
+/*============================================================================
+ BIOMECHANICAL TOY & MANIAC SQUARE
+ ============================================================================*/
+
+VIDEO_START( maniacsq );
+VIDEO_UPDATE( maniacsq );
+
+
+static ADDRESS_MAP_START( maniacsq_readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_READ(MRA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_READ(MRA16_RAM) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_READ(MRA16_RAM) /* Screen RAM */
+ AM_RANGE(0x200000, 0x2007ff) AM_READ(MRA16_RAM) /* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_READ(MRA16_RAM) /* Sprite RAM */
+ AM_RANGE(0x700000, 0x700001) AM_READ(input_port_0_word_r)/* DIPSW #2 */
+ AM_RANGE(0x700002, 0x700003) AM_READ(input_port_1_word_r)/* DIPSW #1 */
+ AM_RANGE(0x700004, 0x700005) AM_READ(input_port_2_word_r)/* INPUT #1 */
+ AM_RANGE(0x700006, 0x700007) AM_READ(input_port_3_word_r)/* INPUT #2 */
+ AM_RANGE(0x70000e, 0x70000f) AM_READ(OKIM6295_status_0_lsb_r)/* OKI6295 status register */
+ AM_RANGE(0xff0000, 0xffffff) AM_READ(MRA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+static WRITE16_HANDLER( OKIM6295_bankswitch_w )
+{
+ UINT8 *RAM = memory_region(REGION_SOUND1);
+
+ if (ACCESSING_LSB){
+ memcpy(&RAM[0x30000], &RAM[0x40000 + (data & 0x0f)*0x10000], 0x10000);
+ }
+}
+
+static ADDRESS_MAP_START( maniacsq_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_WRITE(MWA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_WRITE(gaelco_vram_w) AM_BASE(&gaelco_videoram) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_WRITE(MWA16_RAM) /* Screen RAM */
+ AM_RANGE(0x108000, 0x108007) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_vregs) /* Video Registers */
+// AM_RANGE(0x10800c, 0x10800d) AM_WRITE(watchdog_reset_w) /* INT 6 ACK/Watchdog timer */
+ AM_RANGE(0x200000, 0x2007ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)/* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_spriteram) /* Sprite RAM */
+ AM_RANGE(0x70000c, 0x70000d) AM_WRITE(OKIM6295_bankswitch_w) /* OKI6295 bankswitch */
+ AM_RANGE(0x70000e, 0x70000f) AM_WRITE(OKIM6295_data_0_lsb_w) /* OKI6295 data register */
+ AM_RANGE(0xff0000, 0xffffff) AM_WRITE(MWA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( maniacsq )
+
+PORT_START /* DSW #2 */
+ PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
+ PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x00, "Sound Type" )
+ PORT_DIPSETTING( 0x00, DEF_STR( Stereo ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Mono ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( On ) )
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+
+ PORT_START /* DSW #1 */
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, "1C/1C or Free Play (if Coin A too)" )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, "1C/1C or Free Play (if Coin B too)" )
+
+ PORT_START /* 1P INPUTS & COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START /* 2P INPUTS & STARTSW */
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( biomtoy )
+ PORT_START /* DSW #2 */
+ PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) /* Not Listed/shown in test mode */
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) /* Not Listed/shown in test mode */
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( On ) )
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x20, "0" )
+ PORT_DIPSETTING( 0x10, "1" )
+ PORT_DIPSETTING( 0x30, "2" )
+ PORT_DIPSETTING( 0x00, "3" )
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+
+ PORT_START /* DSW #1 */
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+
+ PORT_START /* 1P INPUTS & COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START /* 2P INPUTS & STARTSW */
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
+INPUT_PORTS_END
+
+
+static MACHINE_DRIVER_START( maniacsq )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000,24000000/2) /* 12 MHz */
+ MDRV_CPU_PROGRAM_MAP(maniacsq_readmem,maniacsq_writemem)
+ MDRV_CPU_VBLANK_INT(irq6_line_hold,1)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*16, 32*16)
+ MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 16, 256-1)
+ MDRV_GFXDECODE(0x100000)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_VIDEO_START(maniacsq)
+ MDRV_VIDEO_UPDATE(maniacsq)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(OKIM6295, 1056000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+
+ROM_START( maniacsp )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "d18", 0x000000, 0x020000, CRC(740ecab2) SHA1(8d8583364cc6aeea58ea2b9cb9a2aab2a43a44df) )
+ ROM_LOAD16_BYTE( "d16", 0x000001, 0x020000, CRC(c6c42729) SHA1(1aac9f93d47a4eb57e06e206e9f50e349b1817da) )
+
+ ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "f3", 0x000000, 0x040000, CRC(e7f6582b) SHA1(9e352edf2f71d0edecb54a11ab3fd0e3ec867d42) )
+ ROM_RELOAD( 0x080000, 0x040000 )
+ /* 0x040000-0x07ffff and 0x0c0000-0x0fffff empty */
+ ROM_LOAD( "f2", 0x100000, 0x040000, CRC(ca43a5ae) SHA1(8d2ed537be1dee60096a58b68b735fb50cab3285) )
+ ROM_RELOAD( 0x180000, 0x040000 )
+ /* 0x140000-0x17ffff and 0x1c0000-0x1fffff empty */
+ ROM_LOAD( "f1", 0x200000, 0x040000, CRC(fca112e8) SHA1(2a1412f8f1c856b18b6cc7794191d327a415266f) )
+ ROM_RELOAD( 0x280000, 0x040000 )
+ /* 0x240000-0x27ffff and 0x2c0000-0x2fffff empty */
+ ROM_LOAD( "f0", 0x300000, 0x040000, CRC(6e829ee8) SHA1(b602da8d987c1bafa41baf5d5e5d753e29ff5403) )
+ ROM_RELOAD( 0x380000, 0x040000 )
+ /* 0x340000-0x37ffff and 0x3c0000-0x3fffff empty */
+
+ ROM_REGION( 0x140000, REGION_SOUND1, 0 ) /* ADPCM samples - sound chip is OKIM6295 */
+ ROM_LOAD( "c1", 0x000000, 0x080000, CRC(2557f2d6) SHA1(3a99388f2d845281f73a427d6dc797dce87b2f82) )
+ /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */
+ ROM_RELOAD( 0x040000, 0x080000 )
+ ROM_RELOAD( 0x0c0000, 0x080000 )
+ROM_END
+
+
+ROM_START( biomtoy )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "d18", 0x000000, 0x080000, CRC(4569ce64) SHA1(96557aca55779c23f7c2c11fddc618823c04ead0) )
+ ROM_LOAD16_BYTE( "d16", 0x000001, 0x080000, CRC(739449bd) SHA1(711a8ea5081f15dea6067577516c9296239c4145) )
+
+ ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE )
+ /* weird gfx ordering */
+ ROM_LOAD( "h6", 0x040000, 0x040000, CRC(9416a729) SHA1(425149b3041554579791fc23c09fda6be054e89d) )
+ ROM_CONTINUE( 0x0c0000, 0x040000 )
+ ROM_LOAD( "j6", 0x000000, 0x040000, CRC(e923728b) SHA1(113eac1de73c74ef7c9d3e2e72599a1ff775176d) )
+ ROM_CONTINUE( 0x080000, 0x040000 )
+ ROM_LOAD( "h7", 0x140000, 0x040000, CRC(9c984d7b) SHA1(98d43a9c3fa93c9ea55f41475ecab6ca25713087) )
+ ROM_CONTINUE( 0x1c0000, 0x040000 )
+ ROM_LOAD( "j7", 0x100000, 0x040000, CRC(0e18fac2) SHA1(acb0a3699395a6c68cacdeadda42a785aa4020f5) )
+ ROM_CONTINUE( 0x180000, 0x040000 )
+ ROM_LOAD( "h9", 0x240000, 0x040000, CRC(8c1f6718) SHA1(9377e838ebb1e16d24072b9b4ed278408d7a808f) )
+ ROM_CONTINUE( 0x2c0000, 0x040000 )
+ ROM_LOAD( "j9", 0x200000, 0x040000, CRC(1c93f050) SHA1(fabeffa05dae7a83a199a57022bd318d6ad02c4d) )
+ ROM_CONTINUE( 0x280000, 0x040000 )
+ ROM_LOAD( "h10", 0x340000, 0x040000, CRC(aca1702b) SHA1(6b36b230722270dbfc2f69bd7eb07b9e718db089) )
+ ROM_CONTINUE( 0x3c0000, 0x040000 )
+ ROM_LOAD( "j10", 0x300000, 0x040000, CRC(8e3e96cc) SHA1(761009f3f32b18139e98f20a22c433b6a49d9168) )
+ ROM_CONTINUE( 0x380000, 0x040000 )
+
+ ROM_REGION( 0x140000, REGION_SOUND1, 0 ) /* ADPCM samples - sound chip is OKIM6295 */
+ ROM_LOAD( "c1", 0x000000, 0x080000, CRC(0f02de7e) SHA1(a8779370cc36290616794ff11eb3eebfdea5b1a9) )
+ /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */
+ ROM_RELOAD( 0x040000, 0x080000 )
+ ROM_LOAD( "c3", 0x0c0000, 0x080000, CRC(914e4bbc) SHA1(ca82b7481621a119f05992ed093b963da70d748a) )
+ROM_END
+
+/*********** Squash Encryption Related Code ******************/
+
+static INPUT_PORTS_START( squash )
+ PORT_START /* DSW2 8bit */
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
+ 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( 0x0c, 0x0c, "Number of Faults" )
+ PORT_DIPSETTING( 0x08, "4" )
+ PORT_DIPSETTING( 0x0c, "5" )
+ PORT_DIPSETTING( 0x04, "6" )
+ PORT_DIPSETTING( 0x00, "7" )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Not Listed/shown in test mode */
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unused ) ) /* Listed as "Unused" in test mode */
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* DSW1 8bit */
+ PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 6C_1C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) )
+ PORT_DIPNAME( 0x38, 0x38, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x38, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x40, 0x40, "2 Player Continue" )
+ PORT_DIPSETTING( 0x40, "2 Credits / 5 Games" )
+ PORT_DIPSETTING( 0x00, "1 Credit / 3 Games" )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START /* 1P INPUTS & COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START /* 2P INPUTS & STARTSW */
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
+
+ PORT_START /* 8bit */
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+
+static int lastpc=0;
+static int lastword=0;
+static int lastoffset=0;
+
+
+#define CARRY(bit) {carry[bit] = (dst[bit]>>1); dst[bit]&=1;}
+
+static int decrypt(int game, int key, int high_word, int low_word)
+{
+ int swaps[4][16] =
+ {
+ { 5,7,9,12,2,14,13,15,3,6,8,11,4,10,0,1 },
+ { 11,2,5,14,8,13,10,4,7,12,0,6,15,9,1,3 },
+ { 7,0,11,12,13,1,6,8,9,5,4,10,14,3,15,2 },
+ { 3,0,2,1,10,15,8,6,9,13,11,7,12,5,4,14 },
+ };
+
+ int dst[16],carry[16];
+ int i;
+ int *s = swaps[key & 3];
+ int flag1 = BIT(high_word, 9) ^ BIT(high_word, 12) ^ 1;
+ int flag2 = game ? BIT(high_word, 10) : (BIT(high_word, 9) ^ BIT(high_word, 10));
+
+ if (game)
+ flag2 = -flag2;
+
+ for (i = 0; i < 16; i++)
+ dst[i] = BIT(low_word, s[15-i]);
+ for (i = 0; i < 16; i++)
+ carry[i] = 0;
+
+ if (flag1 && flag2)
+ {
+ dst[13] += game ? 0 : 1; CARRY(13)
+ dst[2] += carry[13]; CARRY(2)
+ dst[15] += 1 + carry[2]; CARRY(15)
+ dst[4] += - carry[15]; CARRY(4)
+ dst[6] += 1 - carry[4]; CARRY(6)
+ dst[7] += carry[6]; CARRY(7)
+
+ dst[14] += game ? BIT(low_word, 9) : BIT(~low_word, 9); CARRY(14)
+ dst[12] += game ? BIT(low_word, 9) : BIT(~low_word, 9); CARRY(12)
+
+ dst[9] += dst[15] + carry[14]; CARRY(9)
+ dst[10] += dst[15] + carry[12]; CARRY(10)
+
+ dst[5] += BIT(~low_word, 5) + carry[9]; CARRY(5)
+ dst[1] += BIT(~low_word, 5) + carry[10]; CARRY(1)
+
+ dst[3] += 1 + dst[7] - carry[5]; CARRY(3)
+ dst[11] += 1 + dst[7] - carry[1]; CARRY(11)
+
+ dst[8] += 1 + dst[6] + carry[3];
+ dst[0] += 1 + dst[6] + carry[11];
+ }
+ else
+ {
+ dst[13] += BIT(key,2); CARRY(13)
+ dst[2] += BIT(key,3) + carry[13]; CARRY(2)
+ dst[15] += BIT(key,4) + carry[2]; CARRY(15)
+ dst[4] += BIT(key,5) - carry[15]; CARRY(4)
+ dst[6] += BIT(key,6) - carry[4]; CARRY(6)
+ dst[7] += BIT(key,7) + carry[6]; CARRY(7)
+
+ dst[14] += BIT(key,8); CARRY(14)
+ dst[12] += BIT(key,8); CARRY(12)
+
+ dst[9] += BIT(key,9) + carry[14]; CARRY(9)
+ dst[10] += BIT(key,9) + carry[12]; CARRY(10)
+
+ dst[5] += BIT(key,10) + carry[9]; CARRY(5)
+ dst[1] += BIT(key,10) + carry[10]; CARRY(1)
+
+ dst[3] += BIT(key,11) - flag1*dst[2] - flag2*dst[13] - carry[5]; CARRY(3)
+ dst[11] += BIT(key,11) - flag1*dst[2] - flag2*dst[13] - carry[1]; CARRY(11)
+
+ dst[8] += BIT(key,12) + carry[3];
+ dst[0] += BIT(key,12) + carry[11];
+ }
+
+ low_word = 0;
+ for (i = 0; i < 16; i++)
+ low_word |= (dst[i] & 1) << i;
+
+ switch (game)
+ {
+ default:
+ case 0:
+ return low_word ^ 0xf626;
+ case 1:
+ return low_word ^ 0x8626;
+ }
+}
+
+
+static int get_key(int game, int high_word)
+{
+ int src[16],dst[16],carry[16];
+ int i;
+ int flag1 = BIT(high_word, 9) ^ BIT(high_word, 12) ^ 1;
+ int flag2 = game ? BIT(high_word, 10) : (BIT(high_word, 9) ^ BIT(high_word, 10));
+ int temp;
+
+ for (i = 0; i < 16; i++)
+ {
+ src[i] = BIT(high_word,i);
+ dst[i] = 0;
+ carry[i] = 0;
+ }
+
+
+ dst[10] = flag1 ? (src[7] ^ src[12]) : src[5];
+
+ dst[8] = flag2 ? (1 ^ src[6]) : 0;
+
+ dst[5] = (flag1 ^ flag2) ? (1 ^ src[3]) : (1 ^ (src[5] | src[10]) ^ src[11]);
+
+ if (flag1 == 0 && flag2 == 0)
+ dst[6] = dst[5] + src[2]; CARRY(6);
+ if (flag1 == 1 && flag2 == 0)
+ dst[6] = dst[5] + src[8]; CARRY(6);
+ if (flag1 == 0 && flag2 == 1)
+ dst[6] = dst[5] + src[13]; CARRY(6);
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ {
+ dst[7] = src[3];
+ dst[7] ^= (1^src[12]) & (1^src[5]) & src[0];
+ dst[7] ^= src[14] & src[5] & src[0];
+ dst[7] ^= ((1^src[12]) ^ src[11]) & (1^src[2]);
+ dst[7] ^= src[11] & src[6];
+ dst[7] ^= src[12] & src[5] & (1^src[2]);
+ dst[7] ^= src[12] & (1^src[11]) & (1^src[5]) & (1^src[6]);
+ }
+ if (flag1 == 1 && flag2 == 0)
+ dst[7] = 1 ^ src[15] ^ carry[6] ^ (src[8] & (1^src[3]));
+ if (flag1 == 0 && flag2 == 1)
+ dst[7] = 1 ^ src[14] ^ carry[6];
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ {
+ dst[7] = src[3];
+ dst[7] ^= ((1^src[14]) & (1^src[5])) & src[0];
+ dst[7] ^= src[6] ^ (src[14] & (1^src[11]));
+ dst[7] ^= src[5] & (1^src[6]^src[14]) & (1^src[11]);
+ dst[7] ^= (src[11] ^ src[5]) & src[2];
+ dst[7] ^= src[14] & (src[11] & (1^src[5]));
+ }
+ if (flag1 == 1 && flag2 == 0)
+ dst[7] = 1 ^ src[15] ^ carry[6] ^ (src[8] & (1^src[3]));
+ if (flag1 == 0 && flag2 == 1)
+ dst[7] = 1 ^ src[14] ^ carry[6];
+ }
+
+ if (game == 0)
+ {
+ temp = (src[5] | (src[9] & src[10]));
+ }
+ else
+ {
+ temp = src[5];
+ }
+
+ dst[0] = src[3] ^ (src[6] | ((1^src[11]) & temp));
+
+ if (game == 0)
+ {
+ dst[1] = src[15]
+ ^ (temp & src[4] & src[3])
+ ^ (temp & (src[11] ? (src[6] | src[4]) : (1^src[6])))
+ ^ (src[13] ?
+ (src[6] & (1^temp) & src[4]) ^ ((1^temp) & (1^src[4]) & src[3])
+ ^ (src[7] & src[8] & (1^src[9]) & temp & (src[6] ^ src[4] ^ src[3]))
+ ^ ((1^src[11]) & (1^src[6]) & temp & src[7] & src[8] & (1^src[9]))
+ ^ (src[10] & src[9] & src[8] & (1 ^ src[4] ^ src[3]))
+ ^ (src[11] & src[10] & src[9] & src[8] & (1^src[6]))
+ :
+ (src[6] & (1^temp) & (1 ^ src[4] ^ src[8]))
+ ^ ((1^temp) & (src[4] ? ((1^src[3]) & (1^src[8])) : (src[3] & src[8])))
+ ^ (src[7] & (1^src[8]) & (1^src[9]) & (1^temp) & (src[6] ^ src[4] ^ src[3]))
+ ^ (src[10] & src[9] & src[8] & (1 ^ src[4] ^ src[3]) & (1^src[5]))
+ ^ (src[11] & src[10] & src[9] & src[8] & (1^src[6]) & (1^src[5]))
+ )
+ ;
+ }
+ else
+ {
+ dst[1] = src[15]
+ ^ (temp & src[4] & src[3])
+ ^ (temp & (src[11] ? (src[6] | src[4]) : (1^src[6])))
+ ^ (src[13] ?
+ (src[6] & (1^temp) & src[4]) ^ ((1^temp) & (1^src[4]) & src[3])
+ ^ (src[7] & src[8] & src[9] & temp & (src[6] ^ src[4] ^ src[3]))
+ ^ ((1^src[11]) & (1^src[6]) & temp & src[7] & src[8] & src[9])
+ :
+ (src[6] & (1^temp) & (1 ^ src[4] ^ src[8]))
+ ^ ((1^temp) & (src[4] ? ((1^src[3]) & (1^src[8])) : (src[3] & src[8])))
+ ^ (src[7] & (1^src[8]) & src[9] & (1^temp) & (src[6] ^ src[4] ^ src[3]))
+ );
+ }
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[11] = src[0] ^ (src[5] ? src[14] : src[10]);
+ if (flag1 == 1 && flag2 == 0)
+ dst[11] = 0;
+ if (flag1 == 0 && flag2 == 1)
+ dst[11] = 0;
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[11] = src[0] ^ (src[5] ? src[10] : (1^src[14])); // note src[10] == 0
+ if (flag1 == 1 && flag2 == 0)
+ dst[11] = 0;
+ if (flag1 == 0 && flag2 == 1)
+ dst[11] = 1;
+ }
+
+ dst[12] = dst[11];
+ if (flag1 == 0 && flag2 == 0)
+ dst[12] ^= src[10];
+ if (flag1 == 1 && flag2 == 0)
+ dst[12] ^= 0;
+ if (flag1 == 0 && flag2 == 1)
+ dst[12] ^= src[3] ^ (src[11] ? src[6] : (src[6] | src[5]));
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[4] = src[6];
+ if (flag1 == 1 && flag2 == 0)
+ dst[4] = src[0] ^ (src[14] ? (1^src[12]) : src[5]);
+ if (flag1 == 0 && flag2 == 1)
+ dst[4] = src[7];
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[4] = src[6];
+ if (flag1 == 1 && flag2 == 0)
+ dst[4] = src[0] ^ (src[14] ? ((1^src[12]) | (1^src[5])) : (src[12] | src[5]));
+ if (flag1 == 0 && flag2 == 1)
+ dst[4] = src[7];
+ }
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[9] = src[5] ^ (src[12] & (1^src[7])) ^ src[13];
+ if (flag1 == 1 && flag2 == 0)
+ dst[9] = 1 ^ src[4];
+ if (flag1 == 0 && flag2 == 1)
+ dst[9] = src[6] ^ ((1^src[11]) & src[5]);
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[9] = 1 ^ src[5] ^ ((1^src[12]) & src[7]) ^ src[13];
+ if (flag1 == 1 && flag2 == 0)
+ dst[9] = 1 ^ src[4];
+ if (flag1 == 0 && flag2 == 1)
+ dst[9] = src[6] ^ ((1^src[11]) & src[5]);
+ }
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[3] = src[12];
+ if (flag1 == 1 && flag2 == 0)
+ dst[3] = src[0] ^ (src[14] ? src[12] : (1^src[5]));
+ if (flag1 == 0 && flag2 == 1)
+ dst[3] = src[8] ^ ((1^src[13]) & (1^src[12]) & (1^src[5])) ^ (src[12] & (src[13] ? (src[7] & src[5]) : ((1^src[7]) & (1^src[5]))));
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[3] = src[12];
+ if (flag1 == 1 && flag2 == 0)
+ dst[3] = src[0] ^ (src[14] ? (src[5] & src[12]) : ((1^src[5]) & (1^src[12])));
+ if (flag1 == 0 && flag2 == 1)
+ dst[3] = src[8] ^ ((1^src[13]) & (src[12]) & (1^src[5])) ^ ((1^src[12]) & (src[13] ? (src[7] & src[5]) : ((1^src[7]) & (1^src[5]))));
+ }
+
+ if (game == 0)
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[2] = src[0];
+ if (flag1 == 1 && flag2 == 0)
+ dst[2] = src[1]
+ ^ (src[3] & (1^src[2]))
+ ^ ((1^src[11]) & src[6] & src[5])
+ ^ ((1^src[12]) & (1^src[5]) & src[0] & (1^src[14]) & (src[6] ^ src[2] ^ src[3]))
+ ^ (src[12] & (1^src[6]) & (1^src[5]) & src[3])
+ ^ (src[2] & (1^src[5]) & (1^src[6]) & (1^src[12]))
+ ^ (src[2] & src[5] & (1^src[6]) & src[11])
+ ^ ((1 ^ src[2] ^ src[3]) & (1^src[5]) & src[6] & src[12])
+ ^ (src[14] & (1^src[12]) & (src[2] ^ src[3] ^ src[6]) & (1^src[5]))
+ ^ (src[14] & src[12] & src[5] & (1 ^ src[3] ^ src[2] ^ src[11]) & src[0])
+ ^ (src[14] & src[12] & src[11] & src[6] & src[5] & src[0])
+ ^ (src[12] & (1^src[5]) & src[3])
+ ^ (src[12] & (1^src[5]) & src[0] & (1 ^ src[3] ^ src[2] ^ (src[11] & (1^src[6]))))
+ ^ (src[12] & (1^src[5]) & (1^src[11]) & src[6] & src[2])
+ ^ (src[12] & (1^src[5]) & src[11] & (src[6] ^ src[2]))
+ ;
+ if (flag1 == 0 && flag2 == 1)
+ dst[2] = src[5];
+ }
+ else
+ {
+ if (flag1 == 0 && flag2 == 0)
+ dst[2] = src[0];
+ if (flag1 == 1 && flag2 == 0)
+ dst[2] = src[1]
+ ^ (src[3] & (1^src[2]))
+ ^ ((1^src[11]) & src[6] & src[5])
+ ^ ((1^src[12]) & (1^src[5]) & src[0] & (1^src[14]) & (src[6] ^ src[2] ^ src[3]))
+ ^ (src[12] & (1^src[6]) & (1^src[5]) & src[3])
+ ^ (src[2] & (1^src[5]) & (1^src[6]) & (1^src[12]))
+ ^ (src[2] & src[5] & (1^src[6]) & src[11])
+ ^ ((1 ^ src[2] ^ src[3]) & (1^src[5]) & src[6] & src[12])
+ ^ (src[14] & (1^src[12]) & (src[2] ^ src[3] ^ src[6]) & (1^src[5]))
+ ^ (src[14] & src[12] & src[5] & (1 ^ src[3] ^ src[2] ^ src[11]) & src[0])
+ ^ (src[14] & src[12] & src[11] & src[6] & src[5] & src[0]);
+ if (flag1 == 0 && flag2 == 1)
+ dst[2] = src[5];
+ }
+
+ if (game == 0)
+ {
+ dst[10] ^= 1;
+ dst[4] ^= 1;
+ dst[2] ^= 1;
+ }
+ else
+ {
+ dst[10] ^= 1;
+ dst[8] ^= 1;
+ dst[4] ^= 1;
+ }
+
+
+ high_word = 0;
+ for (i = 0; i < 16; i++)
+ high_word |= (dst[i] & 1) << i;
+
+ if (flag1 == 1 && flag2 == 1)
+ high_word &= 3;
+
+ return high_word;
+}
+
+
+static UINT16 squash_encrypt(int offset, int data, int game)
+{
+ int thispc = activecpu_get_pc();
+ int savedata = data;
+
+ /* check if 2nd half of 32 bit */
+ if(lastpc == thispc && offset == lastoffset + 1)
+ {
+ lastpc = 0;
+ data = decrypt(game, get_key(game, lastword), lastword, data);
+ }
+ else
+ {
+ /* code as 1st word */
+ lastword = data;
+ lastpc = thispc;
+ lastoffset = offset;
+
+ /* high word returned */
+ data = decrypt(game, 0x0000, 0x0400, lastword);
+
+ logerror("%8x : data1 = %4x > %4x @ %8x\n",activecpu_get_pc(),savedata,data,lastoffset);
+ }
+ return data;
+}
+
+static WRITE16_HANDLER( gaelco_vram_encrypted_w )
+{
+// mame_printf_debug("gaelco_vram_encrypted_w!!\n");
+
+ data = squash_encrypt(offset,data,0);
+ COMBINE_DATA(&gaelco_videoram[offset]);
+
+ tilemap_mark_tile_dirty(gaelco_tilemap[offset >> 11],((offset << 1) & 0x0fff) >> 2);
+}
+
+
+static WRITE16_HANDLER(gaelco_encrypted_w)
+{
+// mame_printf_debug("gaelco_encrypted_w!!\n");
+
+ data = squash_encrypt(offset,data,0);
+ COMBINE_DATA(&gaelco_screen[offset]);
+}
+
+static WRITE16_HANDLER( thoop_vram_encrypted_w )
+{
+// mame_printf_debug("gaelco_vram_encrypted_w!!\n");
+
+ data = squash_encrypt(offset,data,1);
+ COMBINE_DATA(&gaelco_videoram[offset]);
+
+ tilemap_mark_tile_dirty(gaelco_tilemap[offset >> 11],((offset << 1) & 0x0fff) >> 2);
+}
+
+static WRITE16_HANDLER(thoop_encrypted_w)
+{
+// mame_printf_debug("gaelco_encrypted_w!!\n");
+
+ data = squash_encrypt(offset,data,1);
+ COMBINE_DATA(&gaelco_screen[offset]);
+}
+
+
+static ADDRESS_MAP_START( squash_readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_READ(MRA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_READ(MRA16_RAM) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_READ(MRA16_RAM) /* Screen RAM */
+ AM_RANGE(0x200000, 0x2007ff) AM_READ(MRA16_RAM) /* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_READ(MRA16_RAM) /* Sprite RAM */
+ AM_RANGE(0x700000, 0x700001) AM_READ(input_port_0_word_r)/* DIPSW #2 */
+ AM_RANGE(0x700002, 0x700003) AM_READ(input_port_1_word_r)/* DIPSW #1 */
+ AM_RANGE(0x700004, 0x700005) AM_READ(input_port_2_word_r)/* INPUT #1 */
+ AM_RANGE(0x700006, 0x700007) AM_READ(input_port_3_word_r)/* INPUT #2 */
+ AM_RANGE(0x70000e, 0x70000f) AM_READ(OKIM6295_status_0_lsb_r)/* OKI6295 status register */
+ AM_RANGE(0xff0000, 0xffffff) AM_READ(MRA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( squash_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_WRITE(MWA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_WRITE(gaelco_vram_encrypted_w) AM_BASE(&gaelco_videoram) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_WRITE(gaelco_encrypted_w) AM_BASE(&gaelco_screen) /* Screen RAM */
+ AM_RANGE(0x108000, 0x108007) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_vregs) /* Video Registers */
+// AM_RANGE(0x10800c, 0x10800d) AM_WRITE(watchdog_reset_w) /* INT 6 ACK/Watchdog timer */
+ AM_RANGE(0x200000, 0x2007ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)/* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_spriteram) /* Sprite RAM */
+ AM_RANGE(0x70000c, 0x70000d) AM_WRITE(OKIM6295_bankswitch_w) /* OKI6295 bankswitch */
+ AM_RANGE(0x70000e, 0x70000f) AM_WRITE(OKIM6295_data_0_lsb_w) /* OKI6295 data register */
+ AM_RANGE(0xff0000, 0xffffff) AM_WRITE(MWA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+static MACHINE_DRIVER_START( squash )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000, 12000000) /* MC68000P12, 12 MHz */
+ MDRV_CPU_PROGRAM_MAP(squash_readmem,squash_writemem)
+ MDRV_CPU_VBLANK_INT(irq6_line_hold,1)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
+ MDRV_INTERLEAVE(10)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*16, 32*16)
+ MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 16, 256-1)
+ MDRV_GFXDECODE(0x100000)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_VIDEO_START(maniacsq)
+ MDRV_VIDEO_UPDATE(maniacsq)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(OKIM6295, 1056000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+/* encrypted video ram */
+ROM_START( squash )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "squash.d18", 0x000000, 0x20000, CRC(ce7aae96) SHA1(4fe8666ae571bffc5a08fa68346c0623282989eb) )
+ ROM_LOAD16_BYTE( "squash.d16", 0x000001, 0x20000, CRC(8ffaedd7) SHA1(f4aada17ba67dd8b6c5a395e832bcbba2764c59d) )
+
+ ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "squash.c09", 0x300000, 0x80000, CRC(0bb91c69) SHA1(8be945049ab411a4d49bd64bd3937542ec9ef9fb) )
+ ROM_RELOAD( 0x380000, 0x80000 )
+ ROM_LOAD( "squash.c10", 0x200000, 0x80000, CRC(892a035c) SHA1(d0156ceb9aa6639a1124c17fb12389be319bb51f) )
+ ROM_RELOAD( 0x280000, 0x80000 )
+ ROM_LOAD( "squash.c11", 0x100000, 0x80000, CRC(9e19694d) SHA1(1df4646f3147719fef516a37aa361ae26d9b23a2) )
+ ROM_RELOAD( 0x180000, 0x80000 )
+ ROM_LOAD( "squash.c12", 0x000000, 0x80000, CRC(5c440645) SHA1(4f2fc1647ffc549fa079f2dc0aaaceb447afdf44) )
+ ROM_RELOAD( 0x080000, 0x80000 )
+
+ ROM_REGION( 0x140000, REGION_SOUND1, 0 ) /* ADPCM samples - sound chip is OKIM6295 */
+ ROM_LOAD( "squash.d01", 0x000000, 0x80000, CRC(a1b9651b) SHA1(a396ba94889f70ea06d6330e3606b0f2497ff6ce) )
+ /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */
+ ROM_RELOAD( 0x040000, 0x080000 )
+ ROM_RELOAD( 0x0c0000, 0x080000 )
+ROM_END
+
+/*********** Thunder Hoop Encryption Related Code ******************/
+
+static INPUT_PORTS_START( thoop )
+ PORT_START /* DSW2 8bit */
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+ PORT_DIPNAME( 0x04, 0x04, "Player Controls" )
+ PORT_DIPSETTING( 0x04, "2 Joysticks" )
+ PORT_DIPSETTING( 0x00, "1 Joystick" )
+ PORT_DIPNAME( 0x18, 0x18, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x00, "4" )
+ PORT_DIPSETTING( 0x08, "3" )
+ PORT_DIPSETTING( 0x10, "2" )
+ PORT_DIPSETTING( 0x18, "1" )
+ PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* DSW1 8bit */
+ PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x38, 0x38, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 6C_1C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x38, DEF_STR( 1C_1C ) )
+ PORT_DIPNAME( 0x40, 0x40, "2 Credits to Start, 1 to Continue" )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+
+ PORT_START /* 1P INPUTS & COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START /* 2P INPUTS & STARTSW */
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
+
+ PORT_START /* 8bit */
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+
+
+static ADDRESS_MAP_START( thoop_writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x0fffff) AM_WRITE(MWA16_ROM) /* ROM */
+ AM_RANGE(0x100000, 0x101fff) AM_WRITE(thoop_vram_encrypted_w) AM_BASE(&gaelco_videoram) /* Video RAM */
+ AM_RANGE(0x102000, 0x103fff) AM_WRITE(thoop_encrypted_w) AM_BASE(&gaelco_screen) /* Screen RAM */
+ AM_RANGE(0x108000, 0x108007) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_vregs) /* Video Registers */
+// AM_RANGE(0x10800c, 0x10800d) AM_WRITE(watchdog_reset_w) /* INT 6 ACK/Watchdog timer */
+ AM_RANGE(0x200000, 0x2007ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)/* Palette */
+ AM_RANGE(0x440000, 0x440fff) AM_WRITE(MWA16_RAM) AM_BASE(&gaelco_spriteram) /* Sprite RAM */
+ AM_RANGE(0x70000c, 0x70000d) AM_WRITE(OKIM6295_bankswitch_w) /* OKI6295 bankswitch */
+ AM_RANGE(0x70000e, 0x70000f) AM_WRITE(OKIM6295_data_0_lsb_w) /* OKI6295 data register */
+ AM_RANGE(0xff0000, 0xffffff) AM_WRITE(MWA16_RAM) /* Work RAM */
+ADDRESS_MAP_END
+
+static MACHINE_DRIVER_START( thoop )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000, 12000000) /* MC68000P12, 12 MHz */
+ MDRV_CPU_PROGRAM_MAP(squash_readmem,thoop_writemem)
+ MDRV_CPU_VBLANK_INT(irq6_line_hold,1)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
+ MDRV_INTERLEAVE(10)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*16, 32*16)
+ MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 16, 256-1)
+ MDRV_GFXDECODE(0x100000)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_VIDEO_START(maniacsq)
+ MDRV_VIDEO_UPDATE(maniacsq)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(OKIM6295, 1056000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+/* encrypted video ram */
+ROM_START( thoop )
+ ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "th18dea1.040", 0x000000, 0x80000, CRC(59bad625) SHA1(28e058b2290bc5f7130b801014d026432f9e7fd5) )
+ ROM_LOAD16_BYTE( "th161eb4.020", 0x000001, 0x40000, CRC(6add61ed) SHA1(0e789d9a0ac19b6143044fbc04ab2227735b2a8f) )
+
+ ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "c09", 0x300000, 0x040000, CRC(06f0edbf) SHA1(3cf2e5c29cd00b43d49a106084076f2ac0dbad98) )
+ ROM_CONTINUE( 0x380000, 0x040000 )
+ ROM_CONTINUE( 0x340000, 0x040000 )
+ ROM_CONTINUE( 0x3c0000, 0x040000 )
+ ROM_LOAD( "c10", 0x200000, 0x040000, CRC(2d227085) SHA1(b224efd59ec83bb786fa92a23ef2d27ed36cab6c) )
+ ROM_CONTINUE( 0x280000, 0x040000 )
+ ROM_CONTINUE( 0x240000, 0x040000 )
+ ROM_CONTINUE( 0x2c0000, 0x040000 )
+ ROM_LOAD( "c11", 0x100000, 0x040000, CRC(7403ef7e) SHA1(52a737816e25a07ada070ed3a5f40bbbd22ac8e0) )
+ ROM_CONTINUE( 0x180000, 0x040000 )
+ ROM_CONTINUE( 0x140000, 0x040000 )
+ ROM_CONTINUE( 0x1c0000, 0x040000 )
+ ROM_LOAD( "c12", 0x000000, 0x040000, CRC(29a5ca36) SHA1(fdcfdefb3b02bfe34781fdd0295640caabe2a5fb) )
+ ROM_CONTINUE( 0x080000, 0x040000 )
+ ROM_CONTINUE( 0x040000, 0x040000 )
+ ROM_CONTINUE( 0x0c0000, 0x040000 )
+
+ ROM_REGION( 0x140000, REGION_SOUND1, 0 ) /* ADPCM samples - sound chip is OKIM6295 */
+ ROM_LOAD( "sound", 0x000000, 0x100000, CRC(99f80961) SHA1(de3a514a8f46dffd5f762e52aac1f4c3b08e2e18) )
+ /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */
+ ROM_RELOAD( 0x040000, 0x100000 )
+ROM_END
+
+GAME( 1991, bigkarnk, 0, bigkarnk, bigkarnk, 0, ROT0, "Gaelco", "Big Karnak", 0 )
+GAME( 1995, biomtoy, 0, maniacsq, biomtoy, 0, ROT0, "Gaelco", "Biomechanical Toy (unprotected)", 0 )
+GAME( 1996, maniacsp, maniacsq, maniacsq, maniacsq, 0, ROT0, "Gaelco", "Maniac Square (prototype)", 0 )
+GAME( 1992, squash, 0, squash, squash, 0, ROT0, "Gaelco", "Squash (Ver. 1.0)", 0 )
+GAME( 1992, thoop, 0, thoop, thoop, 0, ROT0, "Gaelco", "Thunder Hoop (Ver. 1)", 0 )