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

Commando memory map (preliminary)

driver by Nicola Salmoria


MAIN CPU
0000-bfff ROM
d000-d3ff Video RAM
d400-d7ff Color RAM
d800-dbff background video RAM
dc00-dfff background color RAM
e000-ffff RAM
fe00-ff7f Sprites

read:
c000      IN0
c001      IN1
c002      IN2
c003      DSW1
c004      DSW2

write:
c808-c809 background scroll x position
c80a-c80b background scroll y position

SOUND CPU
0000-3fff ROM
4000-47ff RAM

write:
8000      YM2203 #1 control
8001      YM2203 #1 write
8002      YM2203 #2 control
8003      YM2203 #2 write

****************************************************************************

Note : there is an ingame typo bug that doesn't display the bonus life values
       correctly on the title screen in 'commando', 'commandj' and 'spaceinv'.

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

#include "driver.h"
#include "sound/2203intf.h"

extern UINT8 *commando_videoram2, *commando_colorram2;

extern WRITE8_HANDLER( commando_videoram_w );
extern WRITE8_HANDLER( commando_colorram_w );
extern WRITE8_HANDLER( commando_videoram2_w );
extern WRITE8_HANDLER( commando_colorram2_w );
extern WRITE8_HANDLER( commando_scrollx_w );
extern WRITE8_HANDLER( commando_scrolly_w );
extern WRITE8_HANDLER( commando_c804_w );

extern VIDEO_START( commando );
extern VIDEO_UPDATE( commando );
extern VIDEO_EOF( commando );

/* Memory Maps */

static ADDRESS_MAP_START( commando_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xbfff) AM_ROM
	AM_RANGE(0xc000, 0xc000) AM_READ(input_port_0_r)
	AM_RANGE(0xc001, 0xc001) AM_READ(input_port_1_r)
	AM_RANGE(0xc002, 0xc002) AM_READ(input_port_2_r)
	AM_RANGE(0xc003, 0xc003) AM_READ(input_port_3_r)
	AM_RANGE(0xc004, 0xc004) AM_READ(input_port_4_r)
	AM_RANGE(0xc800, 0xc800) AM_WRITE(soundlatch_w)
	AM_RANGE(0xc804, 0xc804) AM_WRITE(commando_c804_w)
	AM_RANGE(0xc808, 0xc809) AM_WRITE(commando_scrollx_w)
	AM_RANGE(0xc80a, 0xc80b) AM_WRITE(commando_scrolly_w)
	AM_RANGE(0xd000, 0xd3ff) AM_RAM AM_WRITE(commando_videoram2_w) AM_BASE(&commando_videoram2)
	AM_RANGE(0xd400, 0xd7ff) AM_RAM AM_WRITE(commando_colorram2_w) AM_BASE(&commando_colorram2)
	AM_RANGE(0xd800, 0xdbff) AM_RAM AM_WRITE(commando_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0xdc00, 0xdfff) AM_RAM AM_WRITE(commando_colorram_w) AM_BASE(&colorram)
	AM_RANGE(0xe000, 0xfdff) AM_RAM
	AM_RANGE(0xfe00, 0xff7f) AM_RAM AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
	AM_RANGE(0xff80, 0xffff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x3fff) AM_ROM
	AM_RANGE(0x4000, 0x47ff) AM_RAM
	AM_RANGE(0x6000, 0x6000) AM_READ(soundlatch_r)
	AM_RANGE(0x8000, 0x8000) AM_WRITE(YM2203_control_port_0_w)
	AM_RANGE(0x8001, 0x8001) AM_WRITE(YM2203_write_port_0_w)
	AM_RANGE(0x8002, 0x8002) AM_WRITE(YM2203_control_port_1_w)
	AM_RANGE(0x8003, 0x8003) AM_WRITE(YM2203_write_port_1_w)
ADDRESS_MAP_END

/* Input Ports */

INPUT_PORTS_START( commando )
	PORT_START_TAG("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x0c, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP    ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP    ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START_TAG("DSW0")
	PORT_DIPNAME( 0x03, 0x03, "Starting Area" )
	PORT_DIPSETTING(    0x03, "0 (Forest 1)" )
	PORT_DIPSETTING(    0x01, "2 (Desert 1)" )
	PORT_DIPSETTING(    0x02, "4 (Forest 2)" )
	PORT_DIPSETTING(    0x00, "6 (Desert 2)" )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x04, "2" )
	PORT_DIPSETTING(    0x0c, "3" )
	PORT_DIPSETTING(    0x08, "4" )
	PORT_DIPSETTING(    0x00, "5" )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_1C ) )
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_3C ) )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x07, 0x07, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x07, "10K 50K+" )
	PORT_DIPSETTING(    0x03, "10K 60K+" )
	PORT_DIPSETTING(    0x05, "20K 60K+" )
	PORT_DIPSETTING(    0x01, "20K 70K+" )
	PORT_DIPSETTING(    0x06, "30K 70K+" )
	PORT_DIPSETTING(    0x02, "30K 80K+" )
	PORT_DIPSETTING(    0x04, "40K 100K+" )
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x00, "Difficult" )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, "Upright Two Players" )
	PORT_DIPSETTING(    0xc0, DEF_STR( Cocktail ) )
INPUT_PORTS_END

INPUT_PORTS_START( commandu )
	PORT_INCLUDE(commando)

	PORT_MODIFY("DSW1")
	PORT_SERVICE( 0x08, IP_ACTIVE_LOW )
INPUT_PORTS_END

/* Graphics Layouts */

static const gfx_layout charlayout =
{
	8, 8,
	RGN_FRAC(1,1),
	2,
	{ 4, 0 },
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	16*8
};

static const gfx_layout tilelayout =
{
	16, 16,
	RGN_FRAC(1,3),
	3,
	{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
	{ 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
};

static const gfx_layout spritelayout =
{
	16, 16,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+4, RGN_FRAC(1,2)+0, 4, 0 },
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3,
			32*8+0, 32*8+1, 32*8+2, 32*8+3, 33*8+0, 33*8+1, 33*8+2, 33*8+3 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
			8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 },
	64*8
};

/* Graphics Decode Information */

static const gfx_decode gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &charlayout,   192, 16 },	// colors 192-255
	{ REGION_GFX2, 0, &tilelayout,     0, 16 },	// colors   0-127
	{ REGION_GFX3, 0, &spritelayout, 128,  4 },	// colors 128-191
	{ -1 }
};

/* Sound Interface */

#define XTAL		12000000
#define PHI_B		XTAL/2/2
#define PHI_MAIN	4000000	// ??? too complicated to trace from schematics

/* Interrupt Generator */

static INTERRUPT_GEN( commando_interrupt )
{
	cpunum_set_input_line_and_vector(0, 0, HOLD_LINE, 0xd7);	// RST 10h - VBLANK
}

/* Machine Driver */

static MACHINE_DRIVER_START( commando )
	// basic machine hardware
	MDRV_CPU_ADD(Z80, PHI_MAIN)	// ???
	MDRV_CPU_PROGRAM_MAP(commando_map, 0)
	MDRV_CPU_VBLANK_INT(commando_interrupt, 1)

	MDRV_CPU_ADD(Z80, PHI_B)	// 3 MHz
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_map, 0)
	MDRV_CPU_VBLANK_INT(irq0_line_hold, 4)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	// video hardware
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_BUFFERS_SPRITERAM)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(256)

	MDRV_PALETTE_INIT(RRRR_GGGG_BBBB)
	MDRV_VIDEO_START(commando)
	MDRV_VIDEO_UPDATE(commando)
	MDRV_VIDEO_EOF(commando)

	// sound hardware
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(YM2203, PHI_B/2)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15)

	MDRV_SOUND_ADD(YM2203, PHI_B/2)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15)
MACHINE_DRIVER_END

/* ROMs */

ROM_START( commando )
	ROM_REGION( 2*0x10000, REGION_CPU1, 0 )	/* 64k for code + 64k for decrypted opcodes */
	ROM_LOAD( "cm04.9m",  0x0000, 0x8000, CRC(8438b694) SHA1(e154478d8f1b635355bd777370acabe49cb9d309) )
	ROM_LOAD( "cm03.8m",  0x8000, 0x4000, CRC(35486542) SHA1(531a85c9e03970ce037be84f2240c2df6f6e3ec1) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "cm02.9f",  0x0000, 0x4000, CRC(f9cc4a74) SHA1(ee8dd73919c6f47f62cc6d999de9510db9f79b8f) )

	ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "vt01.5d",  0x0000, 0x4000, CRC(505726e0) SHA1(2435c87c9c9d78a6e703cf0e1f6a0288207fcd4c) )	// characters

	ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "vt11.5a",  0x00000, 0x4000, CRC(7b2e1b48) SHA1(5d49e1d8146e4ef744445b68f35677302e875a85) )	// SCR X (tiles)
	ROM_LOAD( "vt12.6a",  0x04000, 0x4000, CRC(81b417d3) SHA1(5ec7e3f0c8069384a5f6eb39232c228b9d7b8c0c) )	// SCR X
	ROM_LOAD( "vt13.7a",  0x08000, 0x4000, CRC(5612dbd2) SHA1(9e4e1a22b6cbf60607b9a81dae34482ae55f7c47) )	// SCR Y
	ROM_LOAD( "vt14.8a",  0x0c000, 0x4000, CRC(2b2dee36) SHA1(8792278464fa3da47176582025f6673a15a581e2) )	// SCR Y
	ROM_LOAD( "vt15.9a",  0x10000, 0x4000, CRC(de70babf) SHA1(6717e23baf55f84d3143fb432140a7c3e102ac26) )	// SCR Z
	ROM_LOAD( "vt16.10a", 0x14000, 0x4000, CRC(14178237) SHA1(f896e71c7004349c9a46155edfd9f0aaa186065d) )	// SCR Z

	ROM_REGION( 0x18000, REGION_GFX3, ROMREGION_DISPOSE )
	ROM_LOAD( "vt05.7e",  0x00000, 0x4000, CRC(79f16e3d) SHA1(04e1f03a4d6b4cc2b81bce3a290bbb95de900d35) )	// sprites
	ROM_LOAD( "vt06.8e",  0x04000, 0x4000, CRC(26fee521) SHA1(2fbfc73ee860f72a20229a01d4da9f5cc2e858d3) )
	ROM_LOAD( "vt07.9e",  0x08000, 0x4000, CRC(ca88bdfd) SHA1(548b05460bc7983cc81f15c70e87f47d10db2812) )
	ROM_LOAD( "vt08.7h",  0x0c000, 0x4000, CRC(2019c883) SHA1(883c0156ceab99f4849fe36972c4162b4ac8c216) )
	ROM_LOAD( "vt09.8h",  0x10000, 0x4000, CRC(98703982) SHA1(ba9a9b0dcadd4f52502828408c4a19b0bd518351) )
	ROM_LOAD( "vt10.9h",  0x14000, 0x4000, CRC(f069d2f8) SHA1(2c92300a9407470b34965021de882f1f7a84730c) )

	ROM_REGION( 0x600, REGION_PROMS, 0 )
	ROM_LOAD( "vtb1.1d",  0x0000, 0x0100, CRC(3aba15a1) SHA1(8b057f6e26155dd9e48bde182e680fce4519f600) )	/* red */
	ROM_LOAD( "vtb2.2d",  0x0100, 0x0100, CRC(88865754) SHA1(ca6dddca98baf00a65b2fb70b69cf4704ef8c831) )	/* green */
	ROM_LOAD( "vtb3.3d",  0x0200, 0x0100, CRC(4c14c3f6) SHA1(644ac17c7413f094ec9a15cba87bbd421b26321f) )	/* blue */
	ROM_LOAD( "vtb4.1h",  0x0300, 0x0100, CRC(b388c246) SHA1(038f9851699331ad887b6281a9df053dca3db8fd) )	/* palette selector (not used) */
	ROM_LOAD( "vtb5.6l",  0x0400, 0x0100, CRC(712ac508) SHA1(5349d722ab6733afdda65f6e0a98322f0d515e86) )	/* interrupt timing (not used) */
	ROM_LOAD( "vtb6.6e",  0x0500, 0x0100, CRC(0eaf5158) SHA1(bafd4108708f66cd7b280e47152b108f3e254fc9) )	/* video timing (not used) */
ROM_END

ROM_START( commandu )
	ROM_REGION( 2*0x10000, REGION_CPU1, 0 )	/* 64k for code + 64k for decrypted opcodes */
	ROM_LOAD( "u4-f.9m",  0x0000, 0x8000, CRC(a6118935) SHA1(d5811968b23d61e344e151747bcc3c0ed2b9497b) )
	ROM_LOAD( "u3-f.8m",  0x8000, 0x4000, CRC(24f49684) SHA1(d38a7bd9f3b506747a03f6b94c3f8a2d9fc59166) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "cm02.9f",  0x0000, 0x4000, CRC(f9cc4a74) SHA1(ee8dd73919c6f47f62cc6d999de9510db9f79b8f) )

	ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "vt01.5d",  0x0000, 0x4000, CRC(505726e0) SHA1(2435c87c9c9d78a6e703cf0e1f6a0288207fcd4c) )	// characters

	ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "vt11.5a",  0x00000, 0x4000, CRC(7b2e1b48) SHA1(5d49e1d8146e4ef744445b68f35677302e875a85) )	// SCR X (tiles)
	ROM_LOAD( "vt12.6a",  0x04000, 0x4000, CRC(81b417d3) SHA1(5ec7e3f0c8069384a5f6eb39232c228b9d7b8c0c) )	// SCR X
	ROM_LOAD( "vt13.7a",  0x08000, 0x4000, CRC(5612dbd2) SHA1(9e4e1a22b6cbf60607b9a81dae34482ae55f7c47) )	// SCR Y
	ROM_LOAD( "vt14.8a",  0x0c000, 0x4000, CRC(2b2dee36) SHA1(8792278464fa3da47176582025f6673a15a581e2) )	// SCR Y
	ROM_LOAD( "vt15.9a",  0x10000, 0x4000, CRC(de70babf) SHA1(6717e23baf55f84d3143fb432140a7c3e102ac26) )	// SCR Z
	ROM_LOAD( "vt16.10a", 0x14000, 0x4000, CRC(14178237) SHA1(f896e71c7004349c9a46155edfd9f0aaa186065d) )	// SCR Z

	ROM_REGION( 0x18000, REGION_GFX3, ROMREGION_DISPOSE )
	ROM_LOAD( "vt05.7e",  0x00000, 0x4000, CRC(79f16e3d) SHA1(04e1f03a4d6b4cc2b81bce3a290bbb95de900d35) )	// sprites
	ROM_LOAD( "vt06.8e",  0x04000, 0x4000, CRC(26fee521) SHA1(2fbfc73ee860f72a20229a01d4da9f5cc2e858d3) )
	ROM_LOAD( "vt07.9e",  0x08000, 0x4000, CRC(ca88bdfd) SHA1(548b05460bc7983cc81f15c70e87f47d10db2812) )
	ROM_LOAD( "vt08.7h",  0x0c000, 0x4000, CRC(2019c883) SHA1(883c0156ceab99f4849fe36972c4162b4ac8c216) )
	ROM_LOAD( "vt09.8h",  0x10000, 0x4000, CRC(98703982) SHA1(ba9a9b0dcadd4f52502828408c4a19b0bd518351) )
	ROM_LOAD( "vt10.9h",  0x14000, 0x4000, CRC(f069d2f8) SHA1(2c92300a9407470b34965021de882f1f7a84730c) )

	ROM_REGION( 0x600, REGION_PROMS, 0 )
	ROM_LOAD( "vtb1.1d",  0x0000, 0x0100, CRC(3aba15a1) SHA1(8b057f6e26155dd9e48bde182e680fce4519f600) )	/* red */
	ROM_LOAD( "vtb2.2d",  0x0100, 0x0100, CRC(88865754) SHA1(ca6dddca98baf00a65b2fb70b69cf4704ef8c831) )	/* green */
	ROM_LOAD( "vtb3.3d",  0x0200, 0x0100, CRC(4c14c3f6) SHA1(644ac17c7413f094ec9a15cba87bbd421b26321f) )	/* blue */
	ROM_LOAD( "vtb4.1h",  0x0300, 0x0100, CRC(b388c246) SHA1(038f9851699331ad887b6281a9df053dca3db8fd) )	/* palette selector (not used) */
	ROM_LOAD( "vtb5.6l",  0x0400, 0x0100, CRC(712ac508) SHA1(5349d722ab6733afdda65f6e0a98322f0d515e86) )	/* interrupt timing (not used) */
	ROM_LOAD( "vtb6.6e",  0x0500, 0x0100, CRC(0eaf5158) SHA1(bafd4108708f66cd7b280e47152b108f3e254fc9) )	/* video timing (not used) */
ROM_END

ROM_START( commandj )
	ROM_REGION( 2*0x10000, REGION_CPU1, 0 )	/* 64k for code + 64k for decrypted opcodes */
	ROM_LOAD( "so04.9m", 0x0000, 0x8000, CRC(d3f2bfb3) SHA1(738a5673ac6a907cb04cfb125e8aab3f7437b9d2) )
	ROM_LOAD( "so03.8m", 0x8000, 0x4000, CRC(ed01f472) SHA1(fa181293ae8f0fee78d412259eb81f6de1e1307a) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "so02.9f", 0x0000, 0x4000, CRC(ca20aca5) SHA1(206a8fd4a8985e7ceed7de8349ba02627e881503) )

	ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "vt01.5d",  0x0000, 0x4000, CRC(505726e0) SHA1(2435c87c9c9d78a6e703cf0e1f6a0288207fcd4c) )	// characters

	ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "vt11.5a",  0x00000, 0x4000, CRC(7b2e1b48) SHA1(5d49e1d8146e4ef744445b68f35677302e875a85) )	// SCR X (tiles)
	ROM_LOAD( "vt12.6a",  0x04000, 0x4000, CRC(81b417d3) SHA1(5ec7e3f0c8069384a5f6eb39232c228b9d7b8c0c) )	// SCR X
	ROM_LOAD( "vt13.7a",  0x08000, 0x4000, CRC(5612dbd2) SHA1(9e4e1a22b6cbf60607b9a81dae34482ae55f7c47) )	// SCR Y
	ROM_LOAD( "vt14.8a",  0x0c000, 0x4000, CRC(2b2dee36) SHA1(8792278464fa3da47176582025f6673a15a581e2) )	// SCR Y
	ROM_LOAD( "vt15.9a",  0x10000, 0x4000, CRC(de70babf) SHA1(6717e23baf55f84d3143fb432140a7c3e102ac26) )	// SCR Z
	ROM_LOAD( "vt16.10a", 0x14000, 0x4000, CRC(14178237) SHA1(f896e71c7004349c9a46155edfd9f0aaa186065d) )	// SCR Z

	ROM_REGION( 0x18000, REGION_GFX3, ROMREGION_DISPOSE )
	ROM_LOAD( "vt05.7e",  0x00000, 0x4000, CRC(79f16e3d) SHA1(04e1f03a4d6b4cc2b81bce3a290bbb95de900d35) )	// sprites
	ROM_LOAD( "vt06.8e",  0x04000, 0x4000, CRC(26fee521) SHA1(2fbfc73ee860f72a20229a01d4da9f5cc2e858d3) )
	ROM_LOAD( "vt07.9e",  0x08000, 0x4000, CRC(ca88bdfd) SHA1(548b05460bc7983cc81f15c70e87f47d10db2812) )
	ROM_LOAD( "vt08.7h",  0x0c000, 0x4000, CRC(2019c883) SHA1(883c0156ceab99f4849fe36972c4162b4ac8c216) )
	ROM_LOAD( "vt09.8h",  0x10000, 0x4000, CRC(98703982) SHA1(ba9a9b0dcadd4f52502828408c4a19b0bd518351) )
	ROM_LOAD( "vt10.9h",  0x14000, 0x4000, CRC(f069d2f8) SHA1(2c92300a9407470b34965021de882f1f7a84730c) )

	ROM_REGION( 0x600, REGION_PROMS, 0 )
	ROM_LOAD( "vtb1.1d",  0x0000, 0x0100, CRC(3aba15a1) SHA1(8b057f6e26155dd9e48bde182e680fce4519f600) )	/* red */
	ROM_LOAD( "vtb2.2d",  0x0100, 0x0100, CRC(88865754) SHA1(ca6dddca98baf00a65b2fb70b69cf4704ef8c831) )	/* green */
	ROM_LOAD( "vtb3.3d",  0x0200, 0x0100, CRC(4c14c3f6) SHA1(644ac17c7413f094ec9a15cba87bbd421b26321f) )	/* blue */
	ROM_LOAD( "vtb4.1h",  0x0300, 0x0100, CRC(b388c246) SHA1(038f9851699331ad887b6281a9df053dca3db8fd) )	/* palette selector (not used) */
	ROM_LOAD( "vtb5.6l",  0x0400, 0x0100, CRC(712ac508) SHA1(5349d722ab6733afdda65f6e0a98322f0d515e86) )	/* interrupt timing (not used) */
	ROM_LOAD( "vtb6.6e",  0x0500, 0x0100, CRC(0eaf5158) SHA1(bafd4108708f66cd7b280e47152b108f3e254fc9) )	/* video timing (not used) */
ROM_END

ROM_START( sinvasn )
	ROM_REGION( 2*0x10000, REGION_CPU1, 0 )	/* 64k for code + 64k for decrypted opcodes */
	ROM_LOAD( "sp04.9m",  0x0000, 0x8000, CRC(33f9601e) SHA1(71182227b77fccbbc1d89b5828aa86dcc64ca05e) )
	ROM_LOAD( "sp03.8m",  0x8000, 0x4000, CRC(c7fb43b3) SHA1(36d0dffdacc36a6b6a77101d942c0821846f3275) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "u2.9f",    0x0000, 0x4000, CRC(cbf8c40e) SHA1(0c8dce034d96d075e012cbb8f68c2817b860d969) )

	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "u1.5d",    0x0000, 0x4000, CRC(f477e13a) SHA1(ec5b80f5d508501e72cba028dc45b2c307ac452b) )	/* characters */

	ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "vt11.5a",  0x00000, 0x4000, CRC(7b2e1b48) SHA1(5d49e1d8146e4ef744445b68f35677302e875a85) )	// SCR X (tiles)
	ROM_LOAD( "vt12.6a",  0x04000, 0x4000, CRC(81b417d3) SHA1(5ec7e3f0c8069384a5f6eb39232c228b9d7b8c0c) )	// SCR X
	ROM_LOAD( "vt13.7a",  0x08000, 0x4000, CRC(5612dbd2) SHA1(9e4e1a22b6cbf60607b9a81dae34482ae55f7c47) )	// SCR Y
	ROM_LOAD( "vt14.8a",  0x0c000, 0x4000, CRC(2b2dee36) SHA1(8792278464fa3da47176582025f6673a15a581e2) )	// SCR Y
	ROM_LOAD( "vt15.9a",  0x10000, 0x4000, CRC(de70babf) SHA1(6717e23baf55f84d3143fb432140a7c3e102ac26) )	// SCR Z
	ROM_LOAD( "vt16.10a", 0x14000, 0x4000, CRC(14178237) SHA1(f896e71c7004349c9a46155edfd9f0aaa186065d) )	// SCR Z

	ROM_REGION( 0x18000, REGION_GFX3, ROMREGION_DISPOSE )
	ROM_LOAD( "u5.e7",    0x00000, 0x4000, CRC(2a97c933) SHA1(bfddb0c0f930a7caffad7e52d394d72c09ffb45f) )	/* sprites */
	ROM_LOAD( "sp06.e8",  0x04000, 0x4000, CRC(d7887212) SHA1(43ad98263d6314d40abf33087127c23a3ad72335) )
	ROM_LOAD( "sp07.e9",  0x08000, 0x4000, CRC(9abe7a20) SHA1(5f1b851bd66a3ab818b893286d3ebf2194f425c4) )
	ROM_LOAD( "u8.h7",    0x0c000, 0x4000, CRC(d6b4aa2e) SHA1(5bbf536f73010182b9150dd4fb1e2a42b5b380b0) )
	ROM_LOAD( "sp09.h8",  0x10000, 0x4000, CRC(3985b318) SHA1(ac4c67c3af42121869c1b9470377404bc88793c2) )
	ROM_LOAD( "sp10.h9",  0x14000, 0x4000, CRC(3c131b0f) SHA1(dd3e63199120502c03eedd024a2eed3b5d3e2a1c) )

	ROM_REGION( 0x0600, REGION_PROMS, 0 )
	ROM_LOAD( "vtb1.1d",  0x0000, 0x0100, CRC(3aba15a1) SHA1(8b057f6e26155dd9e48bde182e680fce4519f600) )	/* red */
	ROM_LOAD( "vtb2.2d",  0x0100, 0x0100, CRC(88865754) SHA1(ca6dddca98baf00a65b2fb70b69cf4704ef8c831) )	/* green */
	ROM_LOAD( "vtb3.3d",  0x0200, 0x0100, CRC(4c14c3f6) SHA1(644ac17c7413f094ec9a15cba87bbd421b26321f) )	/* blue */
	ROM_LOAD( "vtb4.1h",  0x0300, 0x0100, CRC(b388c246) SHA1(038f9851699331ad887b6281a9df053dca3db8fd) )	/* palette selector (not used) */
	ROM_LOAD( "vtb5.6l",  0x0400, 0x0100, CRC(712ac508) SHA1(5349d722ab6733afdda65f6e0a98322f0d515e86) )	/* interrupt timing (not used) */
	ROM_LOAD( "vtb6.6e",  0x0500, 0x0100, CRC(0eaf5158) SHA1(bafd4108708f66cd7b280e47152b108f3e254fc9) )	/* video timing (not used) */
ROM_END

ROM_START( sinvasnb )
	ROM_REGION( 2*0x10000, REGION_CPU1, 0 )	/* 64k for code + 64k for decrypted opcodes */
	ROM_LOAD( "u4",       0x0000, 0x8000, CRC(834ba0de) SHA1(85f40559e6a436f3f752b6e862a419a5b9481fa8) )
	ROM_LOAD( "u3",       0x8000, 0x4000, CRC(07e4ee3a) SHA1(6d7665b3072f075893ef37e55147b10271d069ef) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for the audio CPU */
	ROM_LOAD( "u2",       0x0000, 0x4000, CRC(cbf8c40e) SHA1(0c8dce034d96d075e012cbb8f68c2817b860d969) )

	ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "u1",       0x0000, 0x4000, CRC(f477e13a) SHA1(ec5b80f5d508501e72cba028dc45b2c307ac452b) )	/* characters */

	ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "vt11.5a",  0x00000, 0x4000, CRC(7b2e1b48) SHA1(5d49e1d8146e4ef744445b68f35677302e875a85) )	// SCR X (tiles)
	ROM_LOAD( "vt12.6a",  0x04000, 0x4000, CRC(81b417d3) SHA1(5ec7e3f0c8069384a5f6eb39232c228b9d7b8c0c) )	// SCR X
	ROM_LOAD( "vt13.7a",  0x08000, 0x4000, CRC(5612dbd2) SHA1(9e4e1a22b6cbf60607b9a81dae34482ae55f7c47) )	// SCR Y
	ROM_LOAD( "vt14.8a",  0x0c000, 0x4000, CRC(2b2dee36) SHA1(8792278464fa3da47176582025f6673a15a581e2) )	// SCR Y
	ROM_LOAD( "vt15.9a",  0x10000, 0x4000, CRC(de70babf) SHA1(6717e23baf55f84d3143fb432140a7c3e102ac26) )	// SCR Z
	ROM_LOAD( "vt16.10a", 0x14000, 0x4000, CRC(14178237) SHA1(f896e71c7004349c9a46155edfd9f0aaa186065d) )	// SCR Z

	ROM_REGION( 0x18000, REGION_GFX3, ROMREGION_DISPOSE )
	ROM_LOAD( "u5",       0x00000, 0x4000, CRC(2a97c933) SHA1(bfddb0c0f930a7caffad7e52d394d72c09ffb45f) )	/* sprites */
	ROM_LOAD( "vt06.e8",  0x04000, 0x4000, CRC(26fee521) SHA1(2fbfc73ee860f72a20229a01d4da9f5cc2e858d3) )
	ROM_LOAD( "vt07.e9",  0x08000, 0x4000, CRC(ca88bdfd) SHA1(548b05460bc7983cc81f15c70e87f47d10db2812) )
	ROM_LOAD( "u8",       0x0c000, 0x4000, CRC(d6b4aa2e) SHA1(5bbf536f73010182b9150dd4fb1e2a42b5b380b0) )
	ROM_LOAD( "vt09.h8",  0x10000, 0x4000, CRC(98703982) SHA1(ba9a9b0dcadd4f52502828408c4a19b0bd518351) )
	ROM_LOAD( "vt10.h9",  0x14000, 0x4000, CRC(f069d2f8) SHA1(2c92300a9407470b34965021de882f1f7a84730c) )

	ROM_REGION( 0x0600, REGION_PROMS, 0 )
	ROM_LOAD( "vtb1.1d",  0x0000, 0x0100, CRC(3aba15a1) SHA1(8b057f6e26155dd9e48bde182e680fce4519f600) )	/* red */
	ROM_LOAD( "vtb2.2d",  0x0100, 0x0100, CRC(88865754) SHA1(ca6dddca98baf00a65b2fb70b69cf4704ef8c831) )	/* green */
	ROM_LOAD( "vtb3.3d",  0x0200, 0x0100, CRC(4c14c3f6) SHA1(644ac17c7413f094ec9a15cba87bbd421b26321f) )	/* blue */
	ROM_LOAD( "vtb4.1h",  0x0300, 0x0100, CRC(b388c246) SHA1(038f9851699331ad887b6281a9df053dca3db8fd) )	/* palette selector (not used) */
	ROM_LOAD( "vtb5.6l",  0x0400, 0x0100, CRC(712ac508) SHA1(5349d722ab6733afdda65f6e0a98322f0d515e86) )	/* interrupt timing (not used) */
	ROM_LOAD( "vtb6.6e",  0x0500, 0x0100, CRC(0eaf5158) SHA1(bafd4108708f66cd7b280e47152b108f3e254fc9) )	/* video timing (not used) */
ROM_END

/* Driver Initialization */

static DRIVER_INIT( commando )
{
	UINT8 *rom = memory_region(REGION_CPU1);
	UINT8 *decrypt = auto_malloc(0xc000);
	int A;

	memory_set_decrypted_region(0, 0x0000, 0xbfff, decrypt);

	// the first opcode is *not* encrypted
	decrypt[0] = rom[0];
	for (A = 1; A < 0xc000; A++)
	{
		int src;

		src = rom[A];
		decrypt[A] = (src & 0x11) | ((src & 0xe0) >> 4) | ((src & 0x0e) << 4);
	}
}

static DRIVER_INIT( spaceinv )
{
	UINT8 *rom = memory_region(REGION_CPU1);
	UINT8 *decrypt = auto_malloc(0xc000);
	int A;

	memory_set_decrypted_region(0, 0x0000, 0xbfff, decrypt);

	// the first opcode *is* encrypted
	for (A = 0; A < 0xc000; A++)
	{
		int src;

		src = rom[A];
		decrypt[A] = (src & 0x11) | ((src & 0xe0) >> 4) | ((src & 0x0e) << 4);
	}
}

/* Game Drivers */

GAME( 1985, commando, 0,        commando, commando, commando, ROT90, "Capcom", "Commando (World)", 0 )
GAME( 1985, commandu, commando, commando, commandu, commando, ROT90, "Capcom (Data East USA license)", "Commando (US)", 0 )
GAME( 1985, commandj, commando, commando, commando, commando, ROT90, "Capcom", "Senjou no Ookami", 0 )
GAME( 1985, sinvasn,  commando, commando, commando, commando, ROT90, "Capcom", "Space Invasion (Europe)", 0 )
GAME( 1985, sinvasnb, commando, commando, commando, spaceinv, ROT90, "bootleg", "Space Invasion (bootleg)", 0 )
