text: /***********************************************************************
  
      DECO Cassette System driver
      by Juergen Buchmueller
      with contributions by:
      David Widel
      Nicola Salmoria
      Aaron Giles
      Brian Troha
      Fabio Priuli
      Lord Nightmare
      The Dumping Union
  
      The DECO cassette system consists of three PCBS in a card cage:
      Early boardset: (1980-1983) (proms unknown for this boardset, no schematics for this boardset)
      One RMS-3 pcb with a 6502 processor, two ay-3-8910s, and one 2716 eprom holding the audio bios. (audio)
      One DSP-3 pcb with a 6502 processor, two 2716 eproms (main processor and bios, graphics, dipswitches?)
      One BIO-3 pcb with an 8041 MCU (cassette control)
      TODO: get more info about this older boardset: D. Widel has some info about it on his page at http://www.widel.com/stuff/decopin.htm
  
      Later boardset: (1984 onward, schematic is dated 10/83)
      One DE-0097C-0 RMS-8 pcb with a 6502 processor, two ay-3-8910s, two eproms (2716 and 2732) plus one prom, and 48k worth of 4116 16kx1 DRAMs; the 6502 processor has its own 4K of SRAM. (audio processor and RAM, Main processor's dram, dipswitches)
      One DE-0096C-0 DSP-8 board with a 'DECO 222' custom on it (labeled '8049 // C10707-2') which appears to really be a 'cleverly' disguised 6502, and two proms, plus 4K of sram, and three hm2511-1 1kx1 srams. (main processor and graphics)
      One DE-0098C-0 B10-8 (BIO-8 on schematics) board with an 8041, an analog devices ADC0908 8-bit adc, and 4K of SRAM on it (cassette control, inputs)
  
  
      The actual cassettes use a custom player hooked to the BIO board, and are roughly microcassette form factor, but are larger and will not fit in a conventional microcassette player.
      Each cassette has two tracks on it: a clock track and a data track, for a form of synchronous serial. The data is stored in blocks with headers and checksums.
  
  
  
   ***********************************************************************/
  
  #include "emu.h"
  #include "cpu/m6502/m6502.h"
  #include "cpu/mcs48/mcs48.h"
  #include "machine/decocass.h"
  #include "sound/ay8910.h"
  
  #define MASTER_CLOCK	XTAL_12MHz
  #define HCLK			(MASTER_CLOCK/2)
  #define HCLK1			(HCLK/2)
  #define HCLK2			(HCLK1/2)
  #define HCLK4			(HCLK2/2)
  
  
  /***************************************************************************
   *
   *  write decrypted opcodes
   *
   ***************************************************************************/
  
  INLINE int swap_bits_5_6(int data)
  {
  	return (data & 0x9f) | ((data & 0x20) << 1) | ((data & 0x40) >> 1);
  }
  
  static WRITE8_HANDLER( ram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0x0000 + offset] = swap_bits_5_6(data);
  	state->rambase[0x0000 + offset] = data;
  }
  
  static WRITE8_HANDLER( charram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0x6000 + offset] = swap_bits_5_6(data);
  	decocass_charram_w(space, offset, data);
  }
  
  static WRITE8_HANDLER( fgvideoram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0xc000 + offset] = swap_bits_5_6(data);
  	decocass_fgvideoram_w(space, offset, data);
  }
  
  static WRITE8_HANDLER( fgcolorram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0xc400 + offset] = swap_bits_5_6(data);
  	decocass_colorram_w(space, offset, data);
  }
  
  static WRITE8_HANDLER( tileram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0xd000 + offset] = swap_bits_5_6(data);
  	decocass_tileram_w(space, offset, data);
  }
  
  static WRITE8_HANDLER( objectram_w )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	state->decrypted[0xd800 + offset] = swap_bits_5_6(data);
  	decocass_objectram_w(space, offset, data);
  }
  
  static WRITE8_HANDLER( mirrorvideoram_w ) { offset = ((offset >> 5) & 0x1f) | ((offset & 0x1f) << 5); fgvideoram_w(space, offset, data); }
  static WRITE8_HANDLER( mirrorcolorram_w ) { offset = ((offset >> 5) & 0x1f) | ((offset & 0x1f) << 5); fgcolorram_w(space, offset, data); }
  
  static READ8_HANDLER( mirrorvideoram_r )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	offset = ((offset >> 5) & 0x1f) | ((offset & 0x1f) << 5);
  	return state->fgvideoram[offset];
  }
  
  static READ8_HANDLER( mirrorcolorram_r )
  {
  	decocass_state *state = space->machine->driver_data<decocass_state>();
  	offset = ((offset >> 5) & 0x1f) | ((offset & 0x1f) << 5);
  	return state->colorram[offset];
  }
  
  
  static ADDRESS_MAP_START( decocass_map, ADDRESS_SPACE_PROGRAM, 8 )
  	AM_RANGE(0x0000, 0x5fff) AM_RAM_WRITE(ram_w) AM_BASE_MEMBER(decocass_state, rambase)
  	AM_RANGE(0x6000, 0xbfff) AM_RAM_WRITE(charram_w) AM_BASE_MEMBER(decocass_state, charram) /* still RMS3 RAM */
  	AM_RANGE(0xc000, 0xc3ff) AM_RAM_WRITE(fgvideoram_w) AM_BASE_SIZE_MEMBER(decocass_state, fgvideoram, fgvideoram_size)  /* DSP3 RAM */
  	AM_RANGE(0xc400, 0xc7ff) AM_RAM_WRITE(fgcolorram_w) AM_BASE_SIZE_MEMBER(decocass_state, colorram, colorram_size)
  	AM_RANGE(0xc800, 0xcbff) AM_READWRITE(mirrorvideoram_r, mirrorvideoram_w)
  	AM_RANGE(0xcc00, 0xcfff) AM_READWRITE(mirrorcolorram_r, mirrorcolorram_w)
  	AM_RANGE(0xd000, 0xd7ff) AM_RAM_WRITE(tileram_w) AM_BASE_SIZE_MEMBER(decocass_state, tileram, tileram_size)
  	AM_RANGE(0xd800, 0xdbff) AM_RAM_WRITE(objectram_w) AM_BASE_SIZE_MEMBER(decocass_state, objectram, objectram_size)
  	AM_RANGE(0xe000, 0xe0ff) AM_RAM_WRITE(decocass_paletteram_w) AM_BASE_MEMBER(decocass_state, paletteram)
  	AM_RANGE(0xe300, 0xe300) AM_READ_PORT("DSW1") AM_WRITE(decocass_watchdog_count_w)
  	AM_RANGE(0xe301, 0xe301) AM_READ_PORT("DSW2") AM_WRITE(decocass_watchdog_flip_w)
  	AM_RANGE(0xe302, 0xe302) AM_WRITE(decocass_color_missiles_w)
  	AM_RANGE(0xe400, 0xe400) AM_WRITE(decocass_reset_w)
  
  /* BIO-3 board */
  	AM_RANGE(0xe402, 0xe402) AM_WRITE(decocass_mode_set_w)
  	AM_RANGE(0xe403, 0xe403) AM_WRITE(decocass_back_h_shift_w)
  	AM_RANGE(0xe404, 0xe404) AM_WRITE(decocass_back_vl_shift_w)
  	AM_RANGE(0xe405, 0xe405) AM_WRITE(decocass_back_vr_shift_w)
  	AM_RANGE(0xe406, 0xe406) AM_WRITE(decocass_part_h_shift_w)
  	AM_RANGE(0xe407, 0xe407) AM_WRITE(decocass_part_v_shift_w)
  
  	AM_RANGE(0xe410, 0xe410) AM_WRITE(decocass_color_center_bot_w)
  	AM_RANGE(0xe411, 0xe411) AM_WRITE(decocass_center_h_shift_space_w)
  	AM_RANGE(0xe412, 0xe412) AM_WRITE(decocass_center_v_shift_w)
  	AM_RANGE(0xe413, 0xe413) AM_WRITE(decocass_coin_counter_w)
  	AM_RANGE(0xe414, 0xe414) AM_WRITE(decocass_sound_command_w)
  	AM_RANGE(0xe415, 0xe416) AM_WRITE(decocass_quadrature_decoder_reset_w)
  	AM_RANGE(0xe417, 0xe417) AM_WRITE(decocass_nmi_reset_w)
  	AM_RANGE(0xe420, 0xe42f) AM_WRITE(decocass_adc_w)
  
  	AM_RANGE(0xe500, 0xe5ff) AM_READWRITE(decocass_e5xx_r, decocass_e5xx_w)	/* read data from 8041/status */
  
  	AM_RANGE(0xe600, 0xe6ff) AM_READ(decocass_input_r)		/* inputs */
  	AM_RANGE(0xe700, 0xe700) AM_READ(decocass_sound_data_r)	/* read sound CPU data */
  	AM_RANGE(0xe701, 0xe701) AM_READ(decocass_sound_ack_r)	/* read sound CPU ack status */
  
  	AM_RANGE(0xf000, 0xffff) AM_ROM
  ADDRESS_MAP_END
  
  static ADDRESS_MAP_START( decocass_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
  	AM_RANGE(0x0000, 0x0fff) AM_RAM
  	AM_RANGE(0x1000, 0x17ff) AM_READWRITE(decocass_sound_nmi_enable_r, decocass_sound_nmi_enable_w)
  	AM_RANGE(0x1800, 0x1fff) AM_READWRITE(decocass_sound_data_ack_reset_r, decocass_sound_data_ack_reset_w)
  	AM_RANGE(0x2000, 0x2fff) AM_DEVWRITE("ay1", ay8910_data_w)
  	AM_RANGE(0x4000, 0x4fff) AM_DEVWRITE("ay1", ay8910_address_w)
  	AM_RANGE(0x6000, 0x6fff) AM_DEVWRITE("ay2", ay8910_data_w)
  	AM_RANGE(0x8000, 0x8fff) AM_DEVWRITE("ay2", ay8910_address_w)
  	AM_RANGE(0xa000, 0xafff) AM_READ(decocass_sound_command_r)
  	AM_RANGE(0xc000, 0xcfff) AM_WRITE(decocass_sound_data_w)
  	AM_RANGE(0xf800, 0xffff) AM_ROM
  ADDRESS_MAP_END
  
  
  static ADDRESS_MAP_START( decocass_mcu_portmap, ADDRESS_SPACE_IO, 8 )
  	AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(i8041_p1_r, i8041_p1_w)
  	AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(i8041_p2_r, i8041_p2_w)
  ADDRESS_MAP_END
  
  static INPUT_PORTS_START( decocass )
  	PORT_START("IN0")
  	PORT_BIT( 0x01, IP_ACTIVE_HIGH,IPT_JOYSTICK_RIGHT )
  	PORT_BIT( 0x02, IP_ACTIVE_HIGH,IPT_JOYSTICK_LEFT )
  	PORT_BIT( 0x04, IP_ACTIVE_HIGH,IPT_JOYSTICK_UP )
  	PORT_BIT( 0x08, IP_ACTIVE_HIGH,IPT_JOYSTICK_DOWN )
  	PORT_BIT( 0x10, IP_ACTIVE_HIGH,IPT_BUTTON1 )
  	PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_BUTTON2 )
  	PORT_BIT( 0x40, IP_ACTIVE_HIGH,IPT_UNUSED )
  	PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_UNUSED )
  
  	PORT_START("IN1")
  	PORT_BIT( 0x01, IP_ACTIVE_HIGH,IPT_JOYSTICK_RIGHT ) PORT_COCKTAIL
  	PORT_BIT( 0x02, IP_ACTIVE_HIGH,IPT_JOYSTICK_LEFT ) PORT_COCKTAIL
  	PORT_BIT( 0x04, IP_ACTIVE_HIGH,IPT_JOYSTICK_UP ) PORT_COCKTAIL
  	PORT_BIT( 0x08, IP_ACTIVE_HIGH,IPT_JOYSTICK_DOWN ) PORT_COCKTAIL
  	PORT_BIT( 0x10, IP_ACTIVE_HIGH,IPT_BUTTON1 ) PORT_COCKTAIL
  	PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_BUTTON2 ) PORT_COCKTAIL
  	PORT_BIT( 0x40, IP_ACTIVE_HIGH,IPT_UNUSED )
  	PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_UNUSED )
  
  	PORT_START("IN2")
  	PORT_BIT( 0x01, IP_ACTIVE_HIGH,IPT_UNKNOWN )
  	PORT_BIT( 0x02, IP_ACTIVE_HIGH,IPT_UNKNOWN )
  	PORT_BIT( 0x04, IP_ACTIVE_HIGH,IPT_UNKNOWN )
  	PORT_BIT( 0x08, IP_ACTIVE_HIGH,IPT_START1 ) PORT_IMPULSE(1)
  	PORT_BIT( 0x10, IP_ACTIVE_HIGH,IPT_START2 ) PORT_IMPULSE(1)
  	PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_UNKNOWN )
  	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1)
  	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
  
  	PORT_START("AN0")
  	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x10,0xf0) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_PLAYER(1)
  
  	PORT_START("AN1")
  	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x10,0xf0) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_PLAYER(1)
  
  	PORT_START("AN2")
  	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x10,0xf0) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_PLAYER(2)
  
  	PORT_START("AN3")
  	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x10,0xf0) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_PLAYER(2)
  
  	PORT_START("DSW1")
  	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )		PORT_DIPLOCATION("SW1:1,2")
  	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
  	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
  	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
  	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
  	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )		PORT_DIPLOCATION("SW1:3,4")
  	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
  	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
  	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
  	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
  	PORT_DIPNAME( 0x30, 0x30, "Type of Tape" )		PORT_DIPLOCATION("SW1:5,6")   /* Used by the "bios" */
  	PORT_DIPSETTING(    0x00, "MT (Big)" )			/* Was listed as "Board Type" with this being "OLD" */
  	PORT_DIPSETTING(    0x10, "invalid?" )
  	PORT_DIPSETTING(    0x20, "invalid?" )
  	PORT_DIPSETTING(    0x30, "MD (Small)" )		/* Was listed as "Board Type" with this being "NEW" */
  	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )		PORT_DIPLOCATION("SW1:7")
  	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
  	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
  	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK)
  
  	PORT_START("DSW2") /* Start with all Unknown as each can change per game, except for Country Code */
  	PORT_DIPUNKNOWN_DIPLOC( 0x01, 0x01, "SW2:1")		/* Most Dipswitch Settings sheets show this as "Number of Players" (Lives) */
  	PORT_DIPUNKNOWN_DIPLOC( 0x02, 0x02, "SW2:2")		/* Most Dipswitch Settings sheets show 2 & 3 as "Bonus Players" */
  	PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x04, "SW2:3")
  	PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x08, "SW2:4")		/* Most Dipswitch Settings sheets show 4 (with/without 5) as some form of Diffculty */
  	PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x10, "SW2:5")
  	PORT_DIPNAME( 0xe0, 0xe0, "Country Code" )		PORT_DIPLOCATION("SW2:6,7,8") /* Always Listed as "DON'T CHANGE" */
  	PORT_DIPSETTING(    0xe0, "A" )
  	PORT_DIPSETTING(    0xc0, "B" )
  	PORT_DIPSETTING(    0xa0, "C" )
  	PORT_DIPSETTING(    0x80, "D" )
  	PORT_DIPSETTING(    0x60, "E" )
  	PORT_DIPSETTING(    0x40, "F" )
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cbtime )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x06, "20000" )
  	PORT_DIPSETTING(    0x04, "30000" )
  	PORT_DIPSETTING(    0x02, "40000" )
  	PORT_DIPSETTING(    0x00, "50000" )
  	PORT_DIPNAME( 0x08, 0x08, "Enemies" )			PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, "4" )
  	PORT_DIPSETTING(    0x00, "6" )
  	PORT_DIPNAME( 0x10, 0x10, "End of Level Pepper" )	PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cnightst )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x06, "When Night Star Completed (First 2 Times)" )
  	PORT_DIPSETTING(    0x04, "When Night Star Completed (First Time Only)" )
  	PORT_DIPSETTING(    0x02, "Every 70000"  )
  	PORT_DIPSETTING(    0x00, "30000 Only"  )
  	PORT_DIPNAME( 0x08, 0x08, "Number of Missles" )		PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, "Few" )
  	PORT_DIPSETTING(    0x00, "Many" )
  	PORT_DIPNAME( 0x10, 0x10, "Enemy's Speed" )		PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, "Slow" )
  	PORT_DIPSETTING(    0x00, "Fast" )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( ctornado )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "10000" )
  	PORT_DIPSETTING(    0x04, "20000" )
  	PORT_DIPSETTING(    0x02, "30000" )
  	PORT_DIPNAME( 0x08, 0x08, "Crash Bombs" )		PORT_DIPLOCATION("SW2:4") /* Printed English translation "Hero Destructor" */
  	PORT_DIPSETTING(    0x08, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x10, 0x10, "Alens' Speed" )		PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, "Slow" )
  	PORT_DIPSETTING(    0x00, "Fast" )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cbdash )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "20000" )
  	PORT_DIPSETTING(    0x04, "30000" )
  	PORT_DIPSETTING(    0x02, "40000" )
  	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:4,5")
  	PORT_DIPSETTING(    0x18, DEF_STR( Normal ) )		/* Number of Diamonds Little, Timer: Long */
  	PORT_DIPSETTING(    0x10, DEF_STR( Hard ) )		/* Number of Diamonds Little, Timer: Long */
  	PORT_DIPSETTING(    0x08, DEF_STR( Harder ) )		/* Number of Diamonds Many, Timer: Short */
  	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )		/* Number of Diamonds Many, Timer: Short */
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cprogolf )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "2" )
  	PORT_DIPSETTING(    0x00, "3" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3") /* You must shoot equal to or under the listed value for a bonus */
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x02, "6 Under" )
  	PORT_DIPSETTING(    0x04, "3 Under" )
  	PORT_DIPSETTING(    0x06, "1 Under" )
  	PORT_DIPNAME( 0x08, 0x08, "Number of Strokes" )		PORT_DIPLOCATION("SW2:4") /* You must shoot equal to or under to continue, else you loose a life */
  	PORT_DIPSETTING(    0x00, "Par +2" )
  	PORT_DIPSETTING(    0x08, "Par +3" )
  	PORT_DIPNAME( 0x10, 0x10, "Show Stroke Power/Ball Direction" )		PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( csuperas )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "20000" )
  	PORT_DIPSETTING(    0x04, "30000" )
  	PORT_DIPSETTING(    0x02, "40000" )
  	PORT_DIPNAME( 0x08, 0x08, "Alien Craft Movement" )	PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cscrtry )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "2" )
  	PORT_DIPSETTING(    0x00, "4" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "30000" )
  	PORT_DIPSETTING(    0x04, "50000" )
  	PORT_DIPSETTING(    0x02, "70000" )
  	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	/* Switches 5, 6, 7 & 8 are listed as "Special Purpose" and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cprosocc )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1") /* Listed as "Number of Balls" */
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, "Number of Nice Goal" )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "5" )
  	PORT_DIPSETTING(    0x04, "10" )
  	PORT_DIPSETTING(    0x02, "20" )
  	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )	PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
  	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
  	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:4") /* Listed as "Class" */
  	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cterrani )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "3000" )
  	PORT_DIPSETTING(    0x04, "5000" )
  	PORT_DIPSETTING(    0x02, "7000" )
  	PORT_DIPNAME( 0x08, 0x08, "Player's Rocket Movement" )	PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	PORT_DIPNAME( 0x10, 0x10, "Alien Craft Movement" )	PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	/* Switches 6, 7 & 8 are shown as completly blank */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cmissnx )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "5000" )
  	PORT_DIPSETTING(    0x04, "10000" )
  	PORT_DIPSETTING(    0x02, "15000" )
  	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:4,5") /* Listed as "Game Level" */
  	PORT_DIPSETTING(    0x18, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x10, DEF_STR( Normal ) )
  	PORT_DIPSETTING(    0x08, DEF_STR( Hard ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cfghtice )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Very_Difficult ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x04, DEF_STR( Very_Easy )  )
  	PORT_DIPSETTING(    0x06, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	PORT_DIPSETTING(    0x02, DEF_STR( Very_Difficult ) )
  	PORT_DIPNAME( 0x08, 0x08, "Enemy's Speed" )		PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, DEF_STR( Normal ) )
  	PORT_DIPSETTING(    0x00, "Fast" )
  	PORT_SERVICE_DIPLOC(  0x10, IP_ACTIVE_LOW, "SW2:5" )	/* Listed as Test Mode, but doesn't seem to work??? */
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( clocknch )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "15000" )
  	PORT_DIPSETTING(    0x04, "20000" )
  	PORT_DIPSETTING(    0x02, "30000" )
  	/* Switches 4, 5, 6, 7 & 8 are listed as "Not Used" and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cgraplop )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "20000" )
  	PORT_DIPSETTING(    0x04, "50000" )
  	PORT_DIPSETTING(    0x02, "70000" )
  	PORT_DIPNAME( 0x08, 0x08, "Number of UPs" )		PORT_DIPLOCATION("SW2:4")
  	PORT_DIPSETTING(    0x08, "Few" )
  	PORT_DIPSETTING(    0x00, "Many" )
  	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:5") /* Listed as "Falling Speed" */
  	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	/* Switches 6, 7 & 8 are listed as "Not Used" and "Don't Change" */
  INPUT_PORTS_END
  
  static INPUT_PORTS_START( cexplore )
  	PORT_INCLUDE( decocass )
  
  	PORT_MODIFY("DSW2")
  	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )		PORT_DIPLOCATION("SW2:1")
  	PORT_DIPSETTING(    0x01, "3" )
  	PORT_DIPSETTING(    0x00, "5" )
  	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:2,3")
  	PORT_DIPSETTING(    0x00, DEF_STR( None )  )
  	PORT_DIPSETTING(    0x06, "10000" )
  	PORT_DIPSETTING(    0x04, "1500000" )
  	PORT_DIPSETTING(    0x02, "30000" )
  	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) )	PORT_DIPLOCATION("SW2:4") /* Listed as "Missle" */
  	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
  	PORT_DIPSETTING(    0x00, DEF_STR( Difficult ) )
  	PORT_DIPNAME( 0x10, 0x10, "Number of UFOs" )		PORT_DIPLOCATION("SW2:5")
  	PORT_DIPSETTING(    0x10, "Few" )
  	PORT_DIPSETTING(    0x00, "Many" )
  	/* Switches 6, 7 & 8 are listed as "Country Code" A through F and "Don't Change" */
  INPUT_PORTS_END
  
  
  static const gfx_layout charlayout =
  {
  	8,8,
  	1024,
  	3,
  	{ 2*1024*8*8, 1*1024*8*8, 0*1024*8*8 },
  	{ STEP8(0,1) },
  	{ STEP8(0,8) },
  	8*8
  };
  
  static const gfx_layout spritelayout =
  {
  	16,16,
  	256,
  	3,
  	{ 2*256*16*16, 1*256*16*16, 0*256*16*16 },
  	{ STEP8(16*8,1), STEP8(0*8,1) },
  	{ STEP16(0,8) },
  	32*8
  };
  
  static const gfx_layout tilelayout =
  {
  	16,16,
  	16+1,		/* 16 tiles (+1 empty tile used in the half-width bg tilemaps) */
  	3,
  	{ 2*16*16*16+4, 2*16*16*16+0, 4 },
  	{ STEP4(3*16*8,1), STEP4(2*16*8,1), STEP4(1*16*8,1), STEP4(0*16*8,1) },
  	{ STEP16(0,8) },
  	2*16*16
  };
  
  static const UINT32 objlayout_xoffset[64] =
  {
  	STEP8(7*8,1), STEP8(6*8,1), STEP8(5*8,1), STEP8(4*8,1),
  	STEP8(3*8,1), STEP8(2*8,1), STEP8(1*8,1), STEP8(0*8,1)
  };
  
  static const UINT32 objlayout_yoffset[64] =
  {
  	STEP32(63*2*64, -1*2*64),
  	STEP32(31*2*64, -1*2*64)
  };
  
  static const gfx_layout objlayout =
  {
  	64,64,	/* 64x64 object */
  	2,		/* 2 objects */
  	1,		/* 1 bits per pixel */
  	{ 0 },
  	EXTENDED_XOFFS,
  	EXTENDED_YOFFS,
  	8*8, /* object takes 8 consecutive bytes */
  	objlayout_xoffset,
  	objlayout_yoffset
  };
  
  static GFXDECODE_START( decocass )
  	GFXDECODE_ENTRY( NULL, 0x6000, charlayout,		 0, 4 )  /* char set #1 */
  	GFXDECODE_ENTRY( NULL, 0x6000, spritelayout,	 0, 4 )  /* sprites */
  	GFXDECODE_ENTRY( NULL, 0xd000, tilelayout,		32, 2 )  /* background tiles */
  	GFXDECODE_ENTRY( NULL, 0xd800, objlayout,		48, 4 )  /* object */
  GFXDECODE_END
  
  static PALETTE_INIT( decocass )
  {
  	int i;
  
  	machine->colortable = colortable_alloc(machine, 32);
  
  	/* set up 32 colors 1:1 pens */
  	for (i = 0; i < 32; i++)
  		colortable_entry_set_value(machine->colortable, i, i);
  
  	/* setup straight/flipped colors for background tiles (D7 of color_center_bot ?) */
  	for (i = 0; i < 8; i++)
  	{
  		colortable_entry_set_value(machine->colortable, 32+i, 3*8+i);
  		colortable_entry_set_value(machine->colortable, 40+i, 3*8+((i << 1) & 0x04) + ((i >> 1) & 0x02) + (i & 0x01));
  	}
  
  	/* setup 4 colors for 1bpp object */
  	colortable_entry_set_value(machine->colortable, 48+0*2+0, 0);
  	colortable_entry_set_value(machine->colortable, 48+0*2+1, 25);	/* testtape red from 4th palette section? */
  	colortable_entry_set_value(machine->colortable, 48+1*2+0, 0);
  	colortable_entry_set_value(machine->colortable, 48+1*2+1, 28);	/* testtape blue from 4th palette section? */
  	colortable_entry_set_value(machine->colortable, 48+2*2+0, 0);
  	colortable_entry_set_value(machine->colortable, 48+2*2+1, 26);	/* testtape green from 4th palette section? */
  	colortable_entry_set_value(machine->colortable, 48+3*2+0, 0);
  	colortable_entry_set_value(machine->colortable, 48+3*2+1, 23);	/* ???? */
  }
  
  
  static MACHINE_DRIVER_START( decocass )
  
  	/* driver data */
  	MDRV_DRIVER_DATA(decocass_state)
  
  	/* basic machine hardware */
  	MDRV_CPU_ADD("maincpu", M6502, HCLK4)
  	MDRV_CPU_PROGRAM_MAP(decocass_map)
  
  	MDRV_CPU_ADD("audiocpu", M6502, HCLK1/3/2)
  	MDRV_CPU_PROGRAM_MAP(decocass_sound_map)
  	MDRV_TIMER_ADD_SCANLINE("audionmi", decocass_audio_nmi_gen, "screen", 0, 8)
  
  	MDRV_CPU_ADD("mcu", I8041, HCLK)
  	MDRV_CPU_IO_MAP(decocass_mcu_portmap)
  
  	MDRV_QUANTUM_TIME(HZ(4200))				/* interleave CPUs */
  
  	MDRV_MACHINE_START(decocass)
  	MDRV_MACHINE_RESET(decocass)
  
  	MDRV_DECOCASS_TAPE_ADD("cassette")
  
  	/* video hardware */
  	MDRV_SCREEN_ADD("screen", RASTER)
  	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
  	MDRV_SCREEN_RAW_PARAMS(HCLK, 384, 8, 248, 272, 8, 248)
  
  	MDRV_GFXDECODE(decocass)
  	MDRV_PALETTE_LENGTH(32+2*8+2*4)
  
  	MDRV_PALETTE_INIT(decocass)
  	MDRV_VIDEO_START(decocass)
  	MDRV_VIDEO_UPDATE(decocass)
  
  	/* sound hardware */
  	MDRV_SPEAKER_STANDARD_MONO("mono")
  
  	MDRV_SOUND_ADD("ay1", AY8910, HCLK2)
  	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
  
  	MDRV_SOUND_ADD("ay2", AY8910, HCLK2)
  	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( ctsttape )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(ctsttape)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( chwy )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(chwy)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( clocknch )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(clocknch)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( ctisland )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(ctisland)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( csuperas )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(csuperas)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( castfant )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(castfant)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cluckypo )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cluckypo)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cterrani )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cterrani)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cexplore )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cexplore)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cprogolf )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cprogolf)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cmissnx )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cmissnx)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cdiscon1 )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cdiscon1)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cptennis )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cptennis)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( ctornado )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(ctornado)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cbnj )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cbnj)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cburnrub )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cburnrub)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cbtime )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cbtime)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cgraplop )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cgraplop)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cgraplop2 )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cgraplop2)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( clapapa )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(clapapa)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cfghtice )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cfghtice)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cprobowl )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cprobowl)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cnightst )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cnightst)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cprosocc )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cprosocc)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cppicf )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cppicf)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cbdash )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cbdash)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cscrtry )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cscrtry)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( cflyball )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(cflyball)
  MACHINE_DRIVER_END
  
  
  static MACHINE_DRIVER_START( czeroize )
  
  	/* basic machine hardware */
  	MDRV_IMPORT_FROM(decocass)
  	MDRV_MACHINE_RESET(czeroize)
  	MDRV_SCREEN_MODIFY("screen")
  	MDRV_SCREEN_VISIBLE_AREA(1*8, 32*8-1, 1*8, 31*8-1)
  MACHINE_DRIVER_END
  
  
  #define ROM_LOAD_BIOS(bios,name,offset,length,hash) \
  		ROMX_LOAD(name, offset, length, hash, ROM_BIOS(bios+1)) /* Note '+1' */
  
  
  #define DECOCASS_BIOS \
  	ROM_REGION( 0x10000, "maincpu", 0 ) \
  	ROM_SYSTEM_BIOS( 0, "bios1", "rms8.7e, New boardset bios, revision B" ) \
  	ROM_LOAD_BIOS( 0, "rms8.7e",     0xf000, 0x1000, CRC(23d929b7) SHA1(063f83020ba3d6f43ab8471f95ca919767b93aa4) ) /* from RMS-8 board: 2732 EPROM @7E w/unknown label (probably 'V0B', needs checking; has HDRB01HDR string in it), bios code */ \
  	ROM_SYSTEM_BIOS( 1, "bios0", "v0a.7e, New boardset bios, revision A" ) \
  	ROM_LOAD_BIOS( 1, "v0a.7e",     0xf000, 0x1000, CRC(3D33AC34) SHA1(909D59E7A993AFFD10224402B4370E82A5F5545C) ) /* from RMS-8 board: 2732 EPROM @7E w/'V0A' label (has HDRA01HDR string inside it), bios code; doesn't seem to work properly yet (gives cassette 01 error, might use a different mcu revision?) */ \
  	ROM_SYSTEM_BIOS( 2, "bios2", "dsp3.p0b/p1b, Old boardset bios, revision B?" ) /* from DSP-3 board? has HDRB01x string in it, 2x 2716 EPROM? */ \
  	ROM_LOAD_BIOS( 2, "dsp3.p0b",     0xf000, 0x0800, CRC(b67a91d9) SHA1(681c040be0f0ed1ba0a50161b36d0ad8e1c8c5cb) ) \
  	ROM_LOAD_BIOS( 2, "dsp3.p1b",     0xf800, 0x0800, CRC(3bfff5f3) SHA1(4e9437cb1b76d64da6b37f01bd6e879fb399e8ce) ) \
  
  #define DECOCASS_COMMON_ROMS	\
  	DECOCASS_BIOS \
  \
  	ROM_REGION( 0x10000, "audiocpu", 0 )	  \
  	ROM_LOAD( "v1.5a",     0xf800, 0x0800, CRC(b66b2c2a) SHA1(0097f38beb4872e735e560148052e258a26b08fd) ) /* from RMS-8 board: 2716 eprom @5A w/V1 label,  contains audio cpu code */ \
  \
  	ROM_REGION( 0x10000, "mcu", 0 )	  /* 4k for the 8041 MCU (actually 1K ROM + 64 bytes RAM @ 0x800) */ \
  	ROM_LOAD( "cassmcu.1c", 0x0000, 0x0400, CRC(a6df18fd) SHA1(1f9ea47e372d31767c936c15852b43df2b0ee8ff) )  /* from B10-B board: "NEC // JAPAN // X1202D-108 // D8041C 535" 8041 MCU @1C, handles cassette and other stuff; This info needs additional verification, as the d8041-535 mcu has not been dumped yet to prove code is the same. */ \
  \
  	ROM_REGION( 0x00060, "proms", 0 )	  /* PROMS */ \
  	ROM_LOAD( "v2.3m",      0x0000, 0x0020, CRC(238fdb40) SHA1(b88e8fabb82092105c3828154608ea067acbf2e5) ) /* from DSP-8 board: M3-7603-5 (82s123 equiv, 32x8 TS) PROM @3M w/'V2' stamp, unknown purpose (gfx related: row/interrupt/vblank related? vertical counter related) */ \
  	ROM_LOAD( "v4.10d",     0x0020, 0x0020, CRC(3b5836b4) SHA1(b630bb277d9ec09d46ef26b944014dd6165b35d8) ) /* from DSP-8 board: M3-7603-5 (82s123 equiv, 32x8 TS) PROM @10D w/'V4' stamp, unknown purpose (gfx related: tile banking? horizontal counter related) */ \
  	ROM_LOAD( "v3.3j",      0x0040, 0x0020, CRC(51eef657) SHA1(eaedce5caf55624ad6ae706aedf82c5717c60f1f) ) /* from RMS-8 board: M3-7603-5 (82s123 equiv, 32x8 TS) PROM @3J w/'V3' stamp, handles DRAM banking and timing */ \
  
  
  ROM_START( decocass )
  	DECOCASS_COMMON_ROMS
  
  ROM_END
  
  /* The Following use Dongle Type 1 (DE-0061)
      (dongle data same for each game)         */
  
  ROM_START( ctsttape )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "testtape.cas", 0x0000, 0x2000, CRC(4f9d8efb) SHA1(5b77747dad1033e5703f06c0870441b54b4256c5) )
  ROM_END
  
  ROM_START( chwy )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	/* The dongle data is reverse engineered from manual decryption */
  	ROM_LOAD( "chwy.pro",   0x0000, 0x0020, BAD_DUMP CRC(2fae678e) SHA1(4a7de851442d4c1d690de03262f0e136a52fca35) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "chwy.cas",   0x0000, 0x8000, CRC(68a48064) SHA1(7e389737972fd0c54f398d296159c561f5ec3a93) )
  ROM_END
  
  ROM_START( clocknch )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "clocknch.cas", 0x0000, 0x8000, CRC(c9d163a4) SHA1(3ef55a8d8f603059e263776c08eb81f2cf18b75c) )
  ROM_END
  
  ROM_START( ctisland )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "ctisland.cas", 0x0000, 0x8000, CRC(3f63b8f8) SHA1(2fd0679ef9750a228ebb098672ab6091fda75804) )
  
  	ROM_REGION( 0x4000, "user3", 0 )	  /* roms from the overlay pcb */
  	ROM_LOAD( "deco-ti.x1",   0x0000, 0x1000, CRC(a7f8aeba) SHA1(0c9ba1a46d0636b36f40fad31638db89f374f778) )
  	ROM_LOAD( "deco-ti.x2",   0x1000, 0x1000, CRC(2a0d3c91) SHA1(552d08fcddddbea5b52fa1e8decd188ae49c86ea) )
  	ROM_LOAD( "deco-ti.x3",   0x2000, 0x1000, CRC(3a26b97c) SHA1(f57e76077806e149a9e455c85e5431eac2d42bc3) )
  	ROM_LOAD( "deco-ti.x4",   0x3000, 0x1000, CRC(1cbe43de) SHA1(8f26ad224e96c87da810c60d3dd88d415400b9fc) )
  ROM_END
  
  ROM_START( ctisland2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "ctislnd2.cas", 0x0000, 0x8000, CRC(2854b4c0) SHA1(d3b4e0031dbb2340fbbe396a1ff9b8fbfd63663e) )
  
  	ROM_REGION( 0x4000, "user3", 0 )	  /* roms from the overlay pcb */
  	ROM_LOAD( "deco-ti.x1",   0x0000, 0x1000, CRC(a7f8aeba) SHA1(0c9ba1a46d0636b36f40fad31638db89f374f778) )
  	ROM_LOAD( "deco-ti.x2",   0x1000, 0x1000, CRC(2a0d3c91) SHA1(552d08fcddddbea5b52fa1e8decd188ae49c86ea) )
  	ROM_LOAD( "deco-ti.x3",   0x2000, 0x1000, CRC(3a26b97c) SHA1(f57e76077806e149a9e455c85e5431eac2d42bc3) )
  	ROM_LOAD( "deco-ti.x4",   0x3000, 0x1000, CRC(1cbe43de) SHA1(8f26ad224e96c87da810c60d3dd88d415400b9fc) )
  ROM_END
  
  ROM_START( ctisland3 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "ctislnd3.cas", 0x0000, 0x8000, CRC(45464e1e) SHA1(03275694d963c7ab0e0f5525e248e69da5f9b591) )
  
  	ROM_REGION( 0x4000, "user3", 0 )	  /* roms from the overlay pcb */
  	ROM_LOAD( "deco-ti.x1",   0x0000, 0x1000, CRC(a7f8aeba) SHA1(0c9ba1a46d0636b36f40fad31638db89f374f778) )
  	ROM_LOAD( "deco-ti.x2",   0x1000, 0x1000, CRC(2a0d3c91) SHA1(552d08fcddddbea5b52fa1e8decd188ae49c86ea) )
  	ROM_LOAD( "deco-ti.x3",   0x2000, 0x1000, CRC(3a26b97c) SHA1(f57e76077806e149a9e455c85e5431eac2d42bc3) )
  	ROM_LOAD( "deco-ti.x4",   0x3000, 0x1000, CRC(1cbe43de) SHA1(8f26ad224e96c87da810c60d3dd88d415400b9fc) )
  ROM_END
  
  ROM_START( csuperas )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "csuperas.cas", 0x0000, 0x8000, CRC(fabcd07f) SHA1(4070c668ad6725f0710cf7fe6df0d5f80272a449) )
  ROM_END
  
  ROM_START( castfant )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "castfant.cas", 0x0000, 0x8000, CRC(6d77d1b5) SHA1(821bd65fbe887cbeac9281a2ad3f88595918f886) )
  ROM_END
  
  ROM_START( cluckypo )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cluckypo.cas", 0x0000, 0x8000, CRC(2070c243) SHA1(cd3af309af8eb27937756c1fe6fd0504be5aaaf5) )
  ROM_END
  
  ROM_START( cterrani )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cterrani.cas", 0x0000, 0x8000, CRC(eb71adbc) SHA1(67becfde39c034d4b8edc2eb100050de102773da) )
  ROM_END
  
  ROM_START( cexplore )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	/* The dongle data is reverse engineered by table analysis */
  	ROM_LOAD( "cexplore.pro", 0x0000, 0x0020, BAD_DUMP CRC(c7a9ac8f) SHA1(b0a566d948f71a4eddcde0dd5e9e69ca96f71c36) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cexplore.cas", 0x0000, 0x8000, CRC(fae49c66) SHA1(4ae69e2f706fdf30204f0aa1277619395cacc21b) )
  
  	ROM_REGION( 0x4000, "user3", 0 )	  /* roms from the overlay pcb */
  	ROM_LOAD( "cexplore_overlay_roms", 0x0000, 0x4000, NO_DUMP )
  ROM_END
  
  ROM_START( cprogolf )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00020, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "de-0061.pro", 0x0000, 0x0020, CRC(e09ae5de) SHA1(7dec067d0739a6dad2607132641b66880a5b7751) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cprogolf.cas", 0x0000, 0x8000, CRC(02123cd1) SHA1(e4c630ed293725f23d539cb43beb97953558dabd) )
  ROM_END
  
  /* The Following use Dongle Type 2 (CS82-007)
      (dongle data differs for each game)      */
  
  ROM_START( cmissnx )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00800, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cmissnx.pro",  0x0000, 0x0800, CRC(8a41c071) SHA1(7b16d933707bf21d25dcd11db6a6c28834b11c5b) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cmissnx.cas",  0x0000, 0x8000, CRC(3a094e11) SHA1(c355fe14838187cbde19a799e5c60083c82615ac) )
  ROM_END
  
  ROM_START( cdiscon1 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00800, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cdiscon1.pro", 0x0000, 0x0800, CRC(0f793fab) SHA1(331f1b1b482fcd10f42c388a503f9af62d705401) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cdiscon1.cas", 0x0000, 0x8000, CRC(1429a397) SHA1(12f9e03fcda31dc6161a39bf5c3315a1e9e94565) )
  ROM_END
  
  ROM_START( csweetht )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00800, "dongle", 0 )   /* dongle data */
  	ROM_LOAD( "cdiscon1.pro", 0x0000, 0x0800, CRC(0f793fab) SHA1(331f1b1b482fcd10f42c388a503f9af62d705401) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )   /* (max) 64k for cassette image */
  	ROM_LOAD( "csweetht.cas", 0x0000, 0x8000, CRC(175ef706) SHA1(49b86233f69d0daf54a6e59b86e69b8159e8f6cc) )
  ROM_END
  
  ROM_START( cptennis )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00800, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cptennis.pro", 0x0000, 0x0800, CRC(59b8cede) SHA1(514861a652b5256a11477fc357bc01dfd87f712b) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cptennis.cas", 0x0000, 0x8000, CRC(6bb257fe) SHA1(7554bf1996bc9e9c04a276aab050708d70103f54) )
  ROM_END
  
  ROM_START( ctornado )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x00800, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "ctornado.pro", 0x0000, 0x0800, CRC(c9a91697) SHA1(3f7163291edbdf1a596e3cd2b7a16bbb140ffb36) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "ctornado.cas", 0x0000, 0x8000, CRC(e4e36ce0) SHA1(48a11823121fb2e3de31ae08e453c0124fc4f7f3) )
  ROM_END
  
  /* The Following use Dongle Type 3 (unknown part number?)
      (dongle data differs for each game)      */
  
  ROM_START( cburnrub )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cburnrub.pro",   0x0000, 0x1000, CRC(9f396832) SHA1(0e302fd094474ac792882948a018c73ce76e0759) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cburnrub.cas",   0x0000, 0x8000, CRC(4528ac22) SHA1(dc0fcc5e5fd21c1c858a90f43c175e36a24b3c3d) )
  ROM_END
  
  ROM_START( cburnrub2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cburnrub.pro",   0x0000, 0x1000, CRC(9f396832) SHA1(0e302fd094474ac792882948a018c73ce76e0759) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cburnrb2.cas",   0x0000, 0x8000, CRC(84a9ed66) SHA1(a9c536e46b89fc6b9c6271776292fed1241d2f3f) )
  ROM_END
  
  ROM_START( cbnj )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cburnrub.pro",   0x0000, 0x1000, CRC(9f396832) SHA1(0e302fd094474ac792882948a018c73ce76e0759) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cbnj.cas",       0x0000, 0x8000, CRC(eed41560) SHA1(85d5df76efac33cd10427f659c4259afabb3daaf) )
  ROM_END
  
  ROM_START( cbtime )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cbtime.pro",   0x0000, 0x1000, CRC(25bec0f0) SHA1(9fb1f9699f37937421e26d4fb8fdbcd21a5ddc5c) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cbtime.cas",   0x0000, 0x8000, CRC(56d7dc58) SHA1(34b2513c9ca7ab40f532b6d6d911aa3012113632) )
  ROM_END
  
  ROM_START( cgraplop )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cgraplop.pro", 0x0000, 0x1000, CRC(ee93787d) SHA1(0c753d62fdce2fdbd5b329a5aa259a967d07a651) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cgraplop.cas", 0x0000, 0x8000, CRC(d2c1c1bb) SHA1(db67304caa11540363735e7d4bf03507ccbe9980) )
  ROM_END
  
  ROM_START( cgraplop2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cgraplop.pro", 0x0000, 0x1000, CRC(ee93787d) SHA1(0c753d62fdce2fdbd5b329a5aa259a967d07a651) ) /* is this right for this set? */
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cgraplop2.cas", 0x0000, 0x8000, CRC(2e728981) SHA1(83ba90d95858d647315a1c311b8643672afea5f7) )
  ROM_END
  
  ROM_START( clapapa )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "clapapa.pro",  0x0000, 0x1000, CRC(e172819a) SHA1(3492775f4f0a0b31ce5a1a998076829b3f264e98) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "clapapa.cas",  0x0000, 0x8000, CRC(4ffbac24) SHA1(1ec0d7ac1886d4b430dc12be27f387e9d952d235) )
  ROM_END
  
  ROM_START( clapapa2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )   /* dongle data */
  	ROM_LOAD( "clapapa.pro",  0x0000, 0x1000, CRC(e172819a) SHA1(3492775f4f0a0b31ce5a1a998076829b3f264e98) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )   /* (max) 64k for cassette image */
  	ROM_LOAD( "clapapa2.cas",  0x0000, 0x8000, CRC(069dd3c4) SHA1(5a19392c7ac5aea979187c96267e73bf5126307e) )
  ROM_END
  
  ROM_START( cfghtice )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cfghtice.pro", 0x0000, 0x1000, CRC(5abd27b5) SHA1(2ab1c171adffd491759036d6ce2433706654aad2) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cfghtice.cas", 0x0000, 0x10000, CRC(906dd7fb) SHA1(894a7970d5476ed035edd15656e5cf10d6ddcf57) )
  ROM_END
  
  ROM_START( cprobowl )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cprobowl.pro", 0x0000, 0x1000, CRC(e3a88e60) SHA1(e6e9a2e5ab26e0463c63201a15f7d5a429ec836e) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cprobowl.cas", 0x0000, 0x8000, CRC(cb86c5e1) SHA1(66c467418cff2ed6d7c121a8b1650ee97ae48fe9) )
  ROM_END
  
  ROM_START( cnightst )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cnightst.pro", 0x0000, 0x1000, CRC(553b0fbc) SHA1(2cdf4560992b62e59b6de760d7996be4ed25f505) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cnightst.cas", 0x0000, 0x8000, CRC(c6f844cb) SHA1(5fc6154c20ee4e2f4049a78df6f3cacbb96b0dc0) )
  ROM_END
  
  ROM_START( cnightst2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )   /* dongle data */
  	ROM_LOAD( "cnightst.pro", 0x0000, 0x1000, CRC(553b0fbc) SHA1(2cdf4560992b62e59b6de760d7996be4ed25f505) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )   /* (max) 64k for cassette image */
  	ROM_LOAD( "cnights2.cas", 0x0000, 0x8000, CRC(1a28128c) SHA1(4b620a1919d02814f734aba995115c09dc2db930) )
  ROM_END
  
  ROM_START( cprosocc )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cprosocc.pro", 0x0000, 0x1000,  CRC(919fabb2) SHA1(3d6a0676cea7b0be0fe69d06e04ca08c36b2851a) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cprosocc.cas", 0x0000, 0x10000, CRC(76b1ad2c) SHA1(6188667e5bc001dfdf83deaf7251eae794de4702) )
  ROM_END
  
  ROM_START( cppicf )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cppicf.pro",   0x0000, 0x1000, CRC(0b1a1ecb) SHA1(2106da6837c78812c102b0eaaa1127fcc21ea780) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cppicf.cas",   0x0000, 0x8000, CRC(8c02f160) SHA1(03430dd8d4b2e6ca931986dac4d39be6965ffa6f) )
  ROM_END
  
  ROM_START( cppicf2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )   /* dongle data */
  	ROM_LOAD( "cppicf.pro",   0x0000, 0x1000, CRC(0b1a1ecb) SHA1(2106da6837c78812c102b0eaaa1127fcc21ea780) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )   /* (max) 64k for cassette image */
  	ROM_LOAD( "cppicf2.cas",   0x0000, 0x8000, CRC(78ffa1bc) SHA1(d15f2a240ae7b45885d32b5f507243f82e820d4b) )
  ROM_END
  
  /* The Following use Dongle Type 4 (unknown part number?)
      (dongle data probably differs for each game, but only one is known using it atm) */
  
  ROM_START( cscrtry )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x08000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "cscrtry.pro",  0x0000, 0x8000, CRC(7bc3460b) SHA1(7c5668ff9a5073e27f4a83b02d79892eb4df6b92) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cscrtry.cas",  0x0000, 0x8000, CRC(5625f0ca) SHA1(f4b0a6f2ca908880386838f06b626479b4b74134) )
  ROM_END
  
  ROM_START( cscrtry2 )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x08000, "dongle", 0 )   /* dongle data */
  	ROM_LOAD( "cscrtry.pro",  0x0000, 0x8000, CRC(7bc3460b) SHA1(7c5668ff9a5073e27f4a83b02d79892eb4df6b92) )
  
  	ROM_REGION( 0x10000, "cassette", 0 )   /* (max) 64k for cassette image */
  	ROM_LOAD( "cscrtry2.cas",  0x0000, 0x8000, CRC(04597842) SHA1(7f1fc3e06b61df880debe9056bdfbbb8600af739) )
  ROM_END
  
  /* The Following use Dongle Type 5 (unknown part number?)
      (dongle data not read)       */
  
  ROM_START( cbdash )
  	DECOCASS_COMMON_ROMS
  
  /*  ROM_REGION( 0x01000, "dongle", 0 ) */ /* (max) 4k for dongle data */
  	/* no proms */
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cbdash.cas",   0x0000, 0x8000, CRC(cba4c1af) SHA1(5d163d8e31c58b20679c6be06b1aa02df621822b) )
  ROM_END
  
  /* The Following have no Dongles at all */
  
  ROM_START( cflyball )
  	DECOCASS_COMMON_ROMS
  
  	/* no dongle data */
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "cflyball.cas",   0x0000, 0x10000, CRC(cb40d043) SHA1(57698bac7e0d552167efa99d08116bf19a3b29c9) )
  ROM_END
  
  /* The Following have unknown Dongles
      (dongle data not read)       */
  
  ROM_START( czeroize )
  	DECOCASS_COMMON_ROMS
  
  	ROM_REGION( 0x01000, "dongle", 0 )	  /* dongle data */
  	ROM_LOAD( "czeroize.pro",  0x0000, 0x1000, NO_DUMP )
  
  	ROM_REGION( 0x10000, "cassette", 0 )	  /* (max) 64k for cassette image */
  	ROM_LOAD( "czeroize.cas",   0x0000, 0x10000, CRC(3ef0a406) SHA1(645b34cd477e0bb5539c8fe937a7a2dbd8369003) )
  ROM_END
  
  
  static DRIVER_INIT( decocass )
  {
  	decocass_state *state = machine->driver_data<decocass_state>();
  	const address_space *space = cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM);
  	UINT8 *rom = memory_region(machine, "maincpu");
  	int A;
  
  	/* allocate memory and mark all RAM regions with their decrypted pointers */
  	state->decrypted = auto_alloc_array(machine, UINT8, 0x10000);
  	memory_set_decrypted_region(space, 0x0000, 0xc7ff, &state->decrypted[0x0000]);
  	memory_set_decrypted_region(space, 0xd000, 0xdbff, &state->decrypted[0xd000]);
  	memory_set_decrypted_region(space, 0xf000, 0xffff, &state->decrypted[0xf000]);
  
  	/* Swap bits 5 & 6 for opcodes */
  	for (A = 0xf000; A < 0x10000; A++)
  		state->decrypted[A] = swap_bits_5_6(rom[A]);
  
  	state_save_register_global_pointer(machine, state->decrypted, 0x10000);
  
  	/* Call the state save setup code in machine/decocass.c */
  	decocass_machine_state_save_init(machine);
  	/* and in video/decocass.c, too */
  	decocass_video_state_save_init(machine);
  }
  
  static DRIVER_INIT( decocrom )
  {
  	decocass_state *state = machine->driver_data<decocass_state>();
  	int romlength = memory_region_length(machine, "user3");
  	UINT8 *rom = memory_region(machine, "user3");
  	int i;
  
  	state->decrypted2 = auto_alloc_array(machine, UINT8, romlength);
  
  	/* standard init */
  	DRIVER_INIT_CALL(decocass);
  
  	/* decrypt the ROMs */
  	for (i = 0; i < romlength; i++)
  		state->decrypted2[i] = swap_bits_5_6(rom[i]);
  
  	/* convert charram to a banked ROM */
  	memory_install_read_bank(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6000, 0xafff, 0, 0, "bank1");
  	memory_install_write8_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x6000, 0xafff, 0, 0, decocass_de0091_w);
  	memory_configure_bank(machine, "bank1", 0, 1, state->charram, 0);
  	memory_configure_bank(machine, "bank1", 1, 1, memory_region(machine, "user3"), 0);
  	memory_configure_bank_decrypted(machine, "bank1", 0, 1, &state->decrypted[0x6000], 0);
  	memory_configure_bank_decrypted(machine, "bank1", 1, 1, state->decrypted2, 0);
  	memory_set_bank(machine, "bank1", 0);
  
  	/* install the bank selector */
  	memory_install_write8_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xe900, 0xe900, 0, 0, decocass_e900_w);
  
  	state_save_register_global_pointer(machine, state->decrypted2, romlength);
  }
  
  
           GAME( 1981, decocass, 0, decocass, decocass, decocass, ROT270, "Data East Corporation", "DECO Cassette System", GAME_IS_BIOS_ROOT )
           GAME( 1981, ctsttape, decocass, ctsttape, decocass, decocass, ROT270, "Data East Corporation", "Test Tape (Cassette)", 0 )
  /* 01 */ GAME( 1980, chwy,     decocass, chwy,     decocass, decocass, ROT270, "Data East Corporation", "Highway Chase (Cassette)", 0 )
  /* 04 */ GAME( 1981, cterrani, decocass, cterrani, cterrani, decocass, ROT270, "Data East Corporation", "Terranean (Cassette)", 0 )
  /* 07 */ GAME( 1981, castfant, decocass, castfant, decocass, decocass, ROT270, "Data East Corporation", "Astro Fantasia (Cassette)", 0 )
  /* 09 */ GAME( 1981, csuperas, decocass, csuperas, csuperas, decocass, ROT270, "Data East Corporation", "Super Astro Fighter (Cassette)", 0 )
  /* 11 */ GAME( 1981, clocknch, decocass, clocknch, clocknch, decocass, ROT270, "Data East Corporation", "Lock'n'Chase (Cassette)", 0 )
  /* 13 */ GAME( 1981, cprogolf, decocass, cprogolf, cprogolf, decocass, ROT270, "Data East Corporation", "Tournament Pro Golf (Cassette)", 0 )
  /* 15 */ GAME( 1981, cluckypo, decocass, cluckypo, decocass, decocass, ROT270, "Data East Corporation", "Lucky Poker (Cassette)", 0 )
  /* 16 */ GAME( 1981, ctisland, decocass, ctisland, decocass, decocrom, ROT270, "Data East Corporation", "Treasure Island (Cassette, set 1)", 0 )
  /* 16 */ GAME( 1981, ctisland2,ctisland, ctisland, decocass, decocrom, ROT270, "Data East Corporation", "Treasure Island (Cassette, set 2)", 0 )
  /* 16 */ GAME( 1981, ctisland3,ctisland, ctisland, decocass, decocrom, ROT270, "Data East Corporation", "Treasure Island (Cassette, set 3)", GAME_NOT_WORKING ) /* Different Bitswap? */
  /* 18 */ GAME( 1982, cexplore, decocass, cexplore, cexplore, decocass, ROT270, "Data East Corporation", "Explorer (Cassette)", GAME_NOT_WORKING )
  /* 19 */ GAME( 1982, cdiscon1, decocass, cdiscon1, decocass, decocass, ROT270, "Data East Corporation", "Disco No.1 (Cassette)", 0 )
  /* 19 */ GAME( 1982, csweetht, cdiscon1, cdiscon1, decocass, decocass, ROT270, "Data East Corporation", "Sweet Heart (Cassette)", 0 )
  /* 20 */ GAME( 1982, ctornado, decocass, ctornado, ctornado, decocass, ROT270, "Data East Corporation", "Tornado (Cassette)", 0 )
  /* 21 */ GAME( 1982, cmissnx,  decocass, cmissnx,  cmissnx,  decocass, ROT270, "Data East Corporation", "Mission-X (Cassette)", 0 )
  /* 22 */ GAME( 1982, cptennis, decocass, cptennis, decocass, decocass, ROT270, "Data East Corporation", "Pro Tennis (Cassette)", 0 )
  /* 26 */ GAME( 1983, cbtime,   decocass, cbtime,   cbtime,   decocass, ROT270, "Data East Corporation", "Burger Time (Cassette)", 0 )
  /* 27 */ GAME( 1982, cburnrub, decocass, cburnrub, decocass, decocass, ROT270, "Data East Corporation", "Burnin' Rubber (Cassette, set 1)", 0 )
  /* 27 */ GAME( 1982, cburnrub2,cburnrub, cburnrub, decocass, decocass, ROT270, "Data East Corporation", "Burnin' Rubber (Cassette, set 2)", 0 )
  /* 27 */ GAME( 1982, cbnj,     cburnrub, cbnj,     decocass, decocass, ROT270, "Data East Corporation", "Bump 'n' Jump (Cassette)", 0 )
  /* 28 */ GAME( 1983, cgraplop, decocass, cgraplop, cgraplop, decocass, ROT270, "Data East Corporation", "Cluster Buster / Graplop (Cassette, set 1)", 0 )
  /* 28 */ GAME( 1983, cgraplop2,cgraplop, cgraplop2,cgraplop, decocass, ROT270, "Data East Corporation", "Cluster Buster / Graplop (Cassette, set 2)", GAME_NOT_WORKING )
  /* 29 */ GAME( 1983, clapapa,  decocass, clapapa,  decocass, decocass, ROT270, "Data East Corporation", "Rootin' Tootin' / La-Pa-Pa (Cassette)" , 0) /* Displays 'La-Pa-Pa during attract */
  /* 29 */ GAME( 1983, clapapa2, clapapa,  clapapa,  decocass, decocass, ROT270, "Data East Corporation", "Rootin' Tootin' (Cassette)" , 0) /* Displays 'Rootin' Tootin' during attract */
  /* 31 */ GAME( 1983, cprobowl, decocass, cprobowl, decocass, decocass, ROT270, "Data East Corporation", "Pro Bowling (Cassette)", 0 )
  /* 32 */ GAME( 1983, cnightst, decocass, cnightst, cnightst, decocass, ROT270, "Data East Corporation", "Night Star (Cassette, set 1)", 0 )
  /* 32 */ GAME( 1983, cnightst2,cnightst, cnightst, cnightst, decocass, ROT270, "Data East Corporation", "Night Star (Cassette, set 2)", 0 )
  /* 33 */ GAME( 1983, cprosocc, decocass, cprosocc, cprosocc, decocass, ROT270, "Data East Corporation", "Pro Soccer (Cassette)", 0 )
  /* 37 */ GAME( 1983, czeroize, decocass, czeroize, decocass, decocass, ROT270, "Data East Corporation", "Zeroize (Cassette)", 0 )
  /* 38 */ GAME( 1984, cscrtry,  decocass, cscrtry,  cscrtry,  decocass, ROT270, "Data East Corporation", "Scrum Try (Cassette, set 1)", 0 )
  /* 38 */ GAME( 1984, cscrtry2, cscrtry,  cscrtry,  cscrtry,  decocass, ROT270, "Data East Corporation", "Scrum Try (Cassette, set 2)", 0 )
  /* 39 */ GAME( 1984, cppicf,   decocass, cppicf,   decocass, decocass, ROT270, "Data East Corporation", "Peter Pepper's Ice Cream Factory (Cassette, set 1)", 0 )
  /* 39 */ GAME( 1984, cppicf2,  cppicf,   cppicf,   decocass, decocass, ROT270, "Data East Corporation", "Peter Pepper's Ice Cream Factory (Cassette, set 2)", 0 )
  /* 40 */ GAME( 1984, cfghtice, decocass, cfghtice, cfghtice, decocass, ROT270, "Data East Corporation", "Fighting Ice Hockey (Cassette)", 0 )
  /* 44 */ GAME( 1985, cbdash,   decocass, cbdash,   cbdash,   decocass, ROT270, "Data East Corporation", "Boulder Dash (Cassette)", 0 )
           GAME( 1985, cflyball, decocass, cflyball, decocass, decocass, ROT270, "Data East Corporation", "Flying Ball (Cassette)", 0 )
  