/***************************************************************************

Based on drivers from Juno First emulator by Chris Hardy (chrish@kcbbs.gen.nz)

***************************************************************************/

#include "driver.h"
#include "cpu/m6809/m6809.h"
#include "audio/timeplt.h"


extern void konami1_decode(void);

extern WRITE8_HANDLER( rocnrope_videoram_w );
extern WRITE8_HANDLER( rocnrope_colorram_w );
extern WRITE8_HANDLER( rocnrope_flipscreen_w );

extern PALETTE_INIT( rocnrope );
extern VIDEO_START( rocnrope );
extern VIDEO_UPDATE( rocnrope );


/* Roc'n'Rope has the IRQ vectors in RAM. The rom contains $FFFF at this address! */
WRITE8_HANDLER( rocnrope_interrupt_vector_w )
{
	UINT8 *RAM = memory_region(REGION_CPU1);


	RAM[0xFFF2+offset] = data;
}


static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x3080, 0x3080) AM_READ(input_port_0_r) /* IO Coin */
	AM_RANGE(0x3081, 0x3081) AM_READ(input_port_1_r) /* P1 IO */
	AM_RANGE(0x3082, 0x3082) AM_READ(input_port_2_r) /* P2 IO */
	AM_RANGE(0x3083, 0x3083) AM_READ(input_port_3_r) /* DSW 0 */
	AM_RANGE(0x3000, 0x3000) AM_READ(input_port_4_r) /* DSW 1 */
	AM_RANGE(0x3100, 0x3100) AM_READ(input_port_5_r) /* DSW 2 */
	AM_RANGE(0x4000, 0x5fff) AM_READ(MRA8_RAM)
	AM_RANGE(0x6000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x4000, 0x402f) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram_2)
	AM_RANGE(0x4400, 0x442f) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
	AM_RANGE(0x4000, 0x47ff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x4800, 0x4bff) AM_WRITE(rocnrope_colorram_w) AM_BASE(&colorram)
	AM_RANGE(0x4c00, 0x4fff) AM_WRITE(rocnrope_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x5000, 0x5fff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x8000, 0x8000) AM_WRITE(watchdog_reset_w)
	AM_RANGE(0x8080, 0x8080) AM_WRITE(rocnrope_flipscreen_w)
	AM_RANGE(0x8081, 0x8081) AM_WRITE(timeplt_sh_irqtrigger_w)  /* cause interrupt on audio CPU */
	AM_RANGE(0x8082, 0x8082) AM_WRITE(MWA8_NOP)	/* interrupt acknowledge??? */
	AM_RANGE(0x8083, 0x8083) AM_WRITE(MWA8_NOP)	/* Coin counter 1 */
	AM_RANGE(0x8084, 0x8084) AM_WRITE(MWA8_NOP)	/* Coin counter 2 */
	AM_RANGE(0x8087, 0x8087) AM_WRITE(interrupt_enable_w)
	AM_RANGE(0x8100, 0x8100) AM_WRITE(soundlatch_w)
	AM_RANGE(0x8182, 0x818d) AM_WRITE(rocnrope_interrupt_vector_w)
	AM_RANGE(0x6000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END


INPUT_PORTS_START( rocnrope )
	PORT_START_TAG("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW0")
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, "Disabled" )
/* 0x00 disables Coin 2. It still accepts coins and makes the sound, but
   it doesn't give you any credit */

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "255 (Cheat)")
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x78, 0x78, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x78, "Easy 1" )
	PORT_DIPSETTING(    0x70, "Easy 2" )
	PORT_DIPSETTING(    0x68, "Easy 3" )
	PORT_DIPSETTING(    0x60, "Easy 4" )
	PORT_DIPSETTING(    0x58, "Normal 1" )
	PORT_DIPSETTING(    0x50, "Normal 2" )
	PORT_DIPSETTING(    0x48, "Normal 3" )
	PORT_DIPSETTING(    0x40, "Normal 4" )
	PORT_DIPSETTING(    0x38, "Normal 5" )
	PORT_DIPSETTING(    0x30, "Normal 6" )
	PORT_DIPSETTING(    0x28, "Normal 7" )
	PORT_DIPSETTING(    0x20, "Normal 8" )
	PORT_DIPSETTING(    0x18, "Difficult 1" )
	PORT_DIPSETTING(    0x10, "Difficult 2" )
	PORT_DIPSETTING(    0x08, "Difficult 3" )
	PORT_DIPSETTING(    0x00, "Difficult 4" )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x07, 0x07, "First Bonus" )
	PORT_DIPSETTING(    0x07, "20000" )
	PORT_DIPSETTING(    0x05, "30000" )
	PORT_DIPSETTING(    0x04, "40000" )
	PORT_DIPSETTING(    0x03, "50000" )
	PORT_DIPSETTING(    0x02, "60000" )
	PORT_DIPSETTING(    0x01, "70000" )
	PORT_DIPSETTING(    0x00, "80000" )
	/* 0x06 gives 20000 */
	PORT_DIPNAME( 0x38, 0x38, "Repeated Bonus" )
	PORT_DIPSETTING(    0x38, "40000" )
	PORT_DIPSETTING(    0x18, "50000" )
	PORT_DIPSETTING(    0x10, "60000" )
	PORT_DIPSETTING(    0x08, "70000" )
	PORT_DIPSETTING(    0x00, "80000" )
	/* 0x20, 0x28 and 0x30 all gives 40000 */
	PORT_DIPNAME( 0x40, 0x00, "Grant Repeated Bonus" )
	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x80, 0x00, "Unknown DSW 8" )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END



static const gfx_layout charlayout =
{
	8,8,	/* 8*8 sprites */
	512,	/* 512 characters */
	4,	/* 4 bits per pixel */
	{ 0x2000*8+4, 0x2000*8+0, 4, 0 },
	{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	16*8	/* every sprite takes 64 consecutive bytes */
};

static const gfx_layout spritelayout =
{
	16,16,	/* 16*16 sprites */
	256,	/* 256 sprites */
	4,	/* 4 bits per pixel */
	{ 256*64*8+4, 256*64*8+0, 4, 0 },
	{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3,
			16*8+0, 16*8+1, 16*8+2, 16*8+3, 24*8+0, 24*8+1, 24*8+2, 24*8+3 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
			32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 },
	64*8	/* every sprite takes 64 consecutive bytes */
};

static const gfx_decode gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &charlayout,       0, 16 },
	{ REGION_GFX2, 0, &spritelayout, 16*16, 16 },
	{ -1 } /* end of array */
};



static MACHINE_DRIVER_START( rocnrope )

	/* basic machine hardware */
	MDRV_CPU_ADD(M6809, 1600000)        /* 1.6 MHz??? Attract mode depends on this to work correctly */
	MDRV_CPU_PROGRAM_MAP(readmem,writemem)
	MDRV_CPU_VBLANK_INT(irq0_line_hold,1)

	MDRV_CPU_ADD(Z80,14318180/8)
	/* audio CPU */	/* 1.789772727 MHz */						\
	MDRV_CPU_PROGRAM_MAP(timeplt_sound_readmem,timeplt_sound_writemem)

	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(32)
	MDRV_COLORTABLE_LENGTH(16*16+16*16)

	MDRV_PALETTE_INIT(rocnrope)
	MDRV_VIDEO_START(rocnrope)
	MDRV_VIDEO_UPDATE(rocnrope)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 14318180/8)
	MDRV_SOUND_CONFIG(timeplt_ay8910_interface)
	MDRV_SOUND_ROUTE(0, "filter.0.0", 0.60)
	MDRV_SOUND_ROUTE(1, "filter.0.1", 0.60)
	MDRV_SOUND_ROUTE(2, "filter.0.2", 0.60)

	MDRV_SOUND_ADD(AY8910, 14318180/8)
	MDRV_SOUND_ROUTE(0, "filter.1.0", 0.60)
	MDRV_SOUND_ROUTE(1, "filter.1.1", 0.60)
	MDRV_SOUND_ROUTE(2, "filter.1.2", 0.60)

	MDRV_SOUND_ADD_TAG("filter.0.0", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
	MDRV_SOUND_ADD_TAG("filter.0.1", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
	MDRV_SOUND_ADD_TAG("filter.0.2", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)

	MDRV_SOUND_ADD_TAG("filter.1.0", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
	MDRV_SOUND_ADD_TAG("filter.1.1", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
	MDRV_SOUND_ADD_TAG("filter.1.2", FILTER_RC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END

/***************************************************************************

  Game driver(s)

***************************************************************************/

ROM_START( rocnrope )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )     /* 64k for code */
	ROM_LOAD( "rr1.1h",       0x6000, 0x2000, CRC(83093134) SHA1(c9509cfb9f9043cd6c226cc84dbc2e2b744488f6) )
	ROM_LOAD( "rr2.2h",       0x8000, 0x2000, CRC(75af8697) SHA1(70bb4b838cdafedf3d94425fad84f77815898d83) )
	ROM_LOAD( "rr3.3h",       0xa000, 0x2000, CRC(b21372b1) SHA1(c08ab3caaa646f4752f890d8339bce6b723864bb) )
	ROM_LOAD( "rr4.4h",       0xc000, 0x2000, CRC(7acb2a05) SHA1(93762d1890f40abc98372a2aa9fe0f63252b6389) )
	ROM_LOAD( "rnr_h5.vid",   0xe000, 0x2000, CRC(150a6264) SHA1(930ccf8dcf4971d0a15f406d9114be5ecfaa1727) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "rnr_7a.snd",   0x0000, 0x1000, CRC(75d2c4e2) SHA1(b701019b4e7b06b268be660ce7958b5367318c27) )
	ROM_LOAD( "rnr_8a.snd",   0x1000, 0x1000, CRC(ca4325ae) SHA1(34ac035c0c2ed6bcafde1491d976bb9e9d2a2a7d) )

	ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "rnr_h12.vid",  0x0000, 0x2000, CRC(e2114539) SHA1(0ea19ae4d7c2da14f23c81abb8e2c931785b2715) )
	ROM_LOAD( "rnr_h11.vid",  0x2000, 0x2000, CRC(169a8f3f) SHA1(182c7c9b9849ebb57b3ff7c0b629f2f8e2efa9ba) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "rnr_a11.vid",  0x0000, 0x2000, CRC(afdaba5e) SHA1(27c090cb1c3767c997daeedbe1ba24786f9e78f1) )
	ROM_LOAD( "rnr_a12.vid",  0x2000, 0x2000, CRC(054cafeb) SHA1(4c3cd850b347217af3dd5c9bb84bcff7b30689bd) )
	ROM_LOAD( "rnr_a9.vid",   0x4000, 0x2000, CRC(9d2166b2) SHA1(42d2b05360e58b1b2b3ad06c98eb46d9da2b1c21) )
	ROM_LOAD( "rnr_a10.vid",  0x6000, 0x2000, CRC(aff6e22f) SHA1(476d67821519feddc9f9c8537b46e6eede790035) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "a17_prom.bin", 0x0000, 0x0020, CRC(22ad2c3e) SHA1(1c2198b286c75aa9e78d000432795b1ce86ad6b9) )
	ROM_LOAD( "b16_prom.bin", 0x0020, 0x0100, CRC(750a9677) SHA1(7a5b4aed5f87180850657b8852bb3f3138d58b5b) )
	ROM_LOAD( "rocnrope.pr3", 0x0120, 0x0100, CRC(b5c75a27) SHA1(923d6ccf015fd7458494416cc05426cc922a9238) )
ROM_END

ROM_START( rocnropk )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )     /* 64k for code */
	ROM_LOAD( "rnr_h1.vid",   0x6000, 0x2000, CRC(0fddc1f6) SHA1(a9c6c033799883dc45eaa448387d4f0728b9e47e) )
	ROM_LOAD( "rnr_h2.vid",   0x8000, 0x2000, CRC(ce9db49a) SHA1(7a6ffb65cb65aa90e953706ee67c6ae91322ebf6) )
	ROM_LOAD( "rnr_h3.vid",   0xa000, 0x2000, CRC(6d278459) SHA1(a1417f158f288b0b0cbffc58f9e22b6c7cdf0fc7) )
	ROM_LOAD( "rnr_h4.vid",   0xc000, 0x2000, CRC(9b2e5f2a) SHA1(e91d7a9141dbe0fc5eacc2c5a672935993a3316f) )
	ROM_LOAD( "rnr_h5.vid",   0xe000, 0x2000, CRC(150a6264) SHA1(930ccf8dcf4971d0a15f406d9114be5ecfaa1727) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "rnr_7a.snd",   0x0000, 0x1000, CRC(75d2c4e2) SHA1(b701019b4e7b06b268be660ce7958b5367318c27) )
	ROM_LOAD( "rnr_8a.snd",   0x1000, 0x1000, CRC(ca4325ae) SHA1(34ac035c0c2ed6bcafde1491d976bb9e9d2a2a7d) )

	ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "rnr_h12.vid",  0x0000, 0x2000, CRC(e2114539) SHA1(0ea19ae4d7c2da14f23c81abb8e2c931785b2715) )
	ROM_LOAD( "rnr_h11.vid",  0x2000, 0x2000, CRC(169a8f3f) SHA1(182c7c9b9849ebb57b3ff7c0b629f2f8e2efa9ba) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "rnr_a11.vid",  0x0000, 0x2000, CRC(afdaba5e) SHA1(27c090cb1c3767c997daeedbe1ba24786f9e78f1) )
	ROM_LOAD( "rnr_a12.vid",  0x2000, 0x2000, CRC(054cafeb) SHA1(4c3cd850b347217af3dd5c9bb84bcff7b30689bd) )
	ROM_LOAD( "rnr_a9.vid",   0x4000, 0x2000, CRC(9d2166b2) SHA1(42d2b05360e58b1b2b3ad06c98eb46d9da2b1c21) )
	ROM_LOAD( "rnr_a10.vid",  0x6000, 0x2000, CRC(aff6e22f) SHA1(476d67821519feddc9f9c8537b46e6eede790035) )

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "a17_prom.bin", 0x0000, 0x0020, CRC(22ad2c3e) SHA1(1c2198b286c75aa9e78d000432795b1ce86ad6b9) )
	ROM_LOAD( "b16_prom.bin", 0x0020, 0x0100, CRC(750a9677) SHA1(7a5b4aed5f87180850657b8852bb3f3138d58b5b) )
	ROM_LOAD( "rocnrope.pr3", 0x0120, 0x0100, CRC(b5c75a27) SHA1(923d6ccf015fd7458494416cc05426cc922a9238) )
ROM_END



static DRIVER_INIT( rocnrope )
{
	extern UINT8 *konami1_decrypted;

	konami1_decode();

	konami1_decrypted[0x703d] = 0x98;	/* fix one instruction */
}

static DRIVER_INIT( rocnropk )
{
	konami1_decode();
}



GAME( 1983, rocnrope, 0,        rocnrope, rocnrope, rocnrope, ROT270, "Konami", "Roc'n Rope", 0 )
GAME( 1983, rocnropk, rocnrope, rocnrope, rocnrope, rocnropk, ROT270, "Konami + Kosuka", "Roc'n Rope (Kosuka)", 0 )
