diff options
Diffstat (limited to 'src/mame/drivers/dblewing.cpp')
-rw-r--r-- | src/mame/drivers/dblewing.cpp | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/src/mame/drivers/dblewing.cpp b/src/mame/drivers/dblewing.cpp new file mode 100644 index 00000000000..fc55faa6f2d --- /dev/null +++ b/src/mame/drivers/dblewing.cpp @@ -0,0 +1,464 @@ +// license:BSD-3-Clause +// copyright-holders:David Haywood +/* + +Double Wings +Mitchell 1993 + +This game runs on Data East hardware. + +PCB Layout +---------- + +S-NK-3220 +DEC-22VO +|---------------------------------------------| +|MB3730 C3403 32.22MHz MBE-01.16A| +| Y3014B KP_03-.16H 77 | +| M6295 MBE-00.14A| +| YM2151 |------| | +| Z80 CXK5864 | | | +| VOL VG-02.11B| 52 | | +| LH5168 CXK5864 | | | +| |------| | +| |------| 28MHz| +|J KP_02-.10H| | | +|A | 141 | CXK5814 | +|M MBE-02.8H | | | +|M | | CXK5814 | +|A |------| | +| CXK5814 | +| KP_01-.5D | +| CXK5814 | +| CXK5864 | +| |----| KP_00-.3D |------| | +| |104 | | 102 | | +| | | CXK5864 | | | +| |----| | | | +|SW2 SW1 VG-01.1H VG-00.1F |------| | +|---------------------------------------------| +Notes: + 102 - Custom encrypted 68000 CPU. Clock 14.000MHz [28/2] + Z80 - Toshiba TMPZ84C000AP-6 Z80 CPU. Clock 3.58MHz [32.22/9] + YM2151 - Yamaha YM2151 FM Operator Type-M (OPM) sound chip. Clock 3.58MHz [32.22/9] + M6295 - Oki M6295 4-channel mixing ADPCM LSI. Clock 1.000MHz [28/28]. Pin 7 HIGH + LH6168 - Sharp LH6168 8kx8 SRAM (DIP28) + CXK5814 - Sony CXK5816 2kx8 SRAM (DIP24) + CXK5864 - Sony CXK5864 8kx8 SRAM (DIP28) + VG-* - MMI PAL16L8 (DIP20) + SW1/SW2 - 8-position DIP switch + HSync - 15.6250kHz + VSync - 58.4443Hz + + Other DATA EAST Chips + -------------------------------------- + DATA EAST 52 9235EV 205941 VC5259-0001 JAPAN (Sprite Generator IC, 128 pin PQFP) + DATA EAST 102 (M) DATA EAST 250 JAPAN (Encrypted 68000 CPU, 128 Pin PQFP) + DATA EAST 141 24220F008 (Tile Generator IC, 160 pin PQFP) + DATA EAST 104 L7A0717 9143 (M) DATA EAST (IO/Protection, 100 pin PQFP) + Small surface-mounted chip with number scratched off (28 pin SOP), but has number 9303K9200 + A similar chip exists on Capt. America PCB and has the number 77 on it. Possibly the same chip? + + + + - sound CPU seems to miss commands sometimes + - flipscreen is wrong + - should sprites be buffered, is the Deco '77' a '71' or similar? + +*/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/m68000/m68000.h" +#include "includes/decocrpt.h" +#include "sound/2151intf.h" +#include "sound/okim6295.h" +#include "video/deco16ic.h" +#include "video/decospr.h" +#include "machine/deco104.h" + +class dblewing_state : public driver_device +{ +public: + dblewing_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_deco104(*this, "ioprot104"), + m_pf1_rowscroll(*this, "pf1_rowscroll"), + m_pf2_rowscroll(*this, "pf2_rowscroll"), + m_spriteram(*this, "spriteram"), + m_sprgen(*this, "spritegen"), + m_maincpu(*this, "maincpu"), + m_audiocpu(*this, "audiocpu"), + m_deco_tilegen1(*this, "tilegen1"), + m_decrypted_opcodes(*this, "decrypted_opcodes") + { } + optional_device<deco104_device> m_deco104; + /* memory pointers */ + required_shared_ptr<UINT16> m_pf1_rowscroll; + required_shared_ptr<UINT16> m_pf2_rowscroll; + required_shared_ptr<UINT16> m_spriteram; + optional_device<decospr_device> m_sprgen; + + + /* misc */ + UINT8 m_sound_irq; + + /* devices */ + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_audiocpu; + required_device<deco16ic_device> m_deco_tilegen1; + required_shared_ptr<UINT16> m_decrypted_opcodes; + DECLARE_WRITE_LINE_MEMBER(sound_irq); + DECLARE_READ16_MEMBER(dblewing_prot_r); + DECLARE_WRITE16_MEMBER(dblewing_prot_w); + DECLARE_READ8_MEMBER(irq_latch_r); + DECLARE_DRIVER_INIT(dblewing); + virtual void machine_start(); + virtual void machine_reset(); + UINT32 screen_update_dblewing(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + + DECO16IC_BANK_CB_MEMBER(bank_callback); + DECOSPR_PRIORITY_CB_MEMBER(pri_callback); + void dblewing_sound_cb( address_space &space, UINT16 data, UINT16 mem_mask ); + + READ16_MEMBER( wf_protection_region_0_104_r ); + WRITE16_MEMBER( wf_protection_region_0_104_w ); +}; + + +UINT32 dblewing_state::screen_update_dblewing(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + address_space &space = generic_space(); + UINT16 flip = m_deco_tilegen1->pf_control_r(space, 0, 0xffff); + + flip_screen_set(BIT(flip, 7)); + m_deco_tilegen1->pf_update(m_pf1_rowscroll, m_pf2_rowscroll); + + bitmap.fill(0, cliprect); /* not Confirmed */ + screen.priority().fill(0); + + m_deco_tilegen1->tilemap_2_draw(screen, bitmap, cliprect, 0, 2); + m_deco_tilegen1->tilemap_1_draw(screen, bitmap, cliprect, 0, 4); + m_sprgen->draw_sprites(bitmap, cliprect, m_spriteram, 0x400); + return 0; +} + +READ16_MEMBER( dblewing_state::wf_protection_region_0_104_r ) +{ + int real_address = 0 + (offset *2); + int deco146_addr = BITSWAP32(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; + UINT8 cs = 0; + UINT16 data = m_deco104->read_data( deco146_addr, mem_mask, cs ); + return data; +} + +WRITE16_MEMBER( dblewing_state::wf_protection_region_0_104_w ) +{ + int real_address = 0 + (offset *2); + int deco146_addr = BITSWAP32(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; + UINT8 cs = 0; + m_deco104->write_data( space, deco146_addr, data, mem_mask, cs ); +} + + +static ADDRESS_MAP_START( dblewing_map, AS_PROGRAM, 16, dblewing_state ) + AM_RANGE(0x000000, 0x07ffff) AM_ROM + + AM_RANGE(0x100000, 0x100fff) AM_DEVREADWRITE("tilegen1", deco16ic_device, pf1_data_r, pf1_data_w) + AM_RANGE(0x102000, 0x102fff) AM_DEVREADWRITE("tilegen1", deco16ic_device, pf2_data_r, pf2_data_w) + AM_RANGE(0x104000, 0x104fff) AM_RAM AM_SHARE("pf1_rowscroll") + AM_RANGE(0x106000, 0x106fff) AM_RAM AM_SHARE("pf2_rowscroll") + +// AM_RANGE(0x280000, 0x2807ff) AM_DEVREADWRITE("ioprot104", deco104_device, dblewing_prot_r, dblewing_prot_w) AM_SHARE("prot16ram") + AM_RANGE(0x280000, 0x283fff) AM_READWRITE(wf_protection_region_0_104_r,wf_protection_region_0_104_w) AM_SHARE("prot16ram") /* Protection device */ + + + AM_RANGE(0x284000, 0x284001) AM_RAM + AM_RANGE(0x288000, 0x288001) AM_RAM + AM_RANGE(0x28c000, 0x28c00f) AM_RAM_DEVWRITE("tilegen1", deco16ic_device, pf_control_w) + AM_RANGE(0x300000, 0x3007ff) AM_RAM AM_SHARE("spriteram") + AM_RANGE(0x320000, 0x3207ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette") + AM_RANGE(0xff0000, 0xff3fff) AM_MIRROR(0xc000) AM_RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( decrypted_opcodes_map, AS_DECRYPTED_OPCODES, 16, dblewing_state ) + AM_RANGE(0x000000, 0x07ffff) AM_ROM AM_SHARE("decrypted_opcodes") +ADDRESS_MAP_END + +READ8_MEMBER(dblewing_state::irq_latch_r) +{ + /* bit 1 of dblewing_sound_irq specifies IRQ command writes */ + m_sound_irq &= ~0x02; + m_audiocpu->set_input_line(0, (m_sound_irq != 0) ? ASSERT_LINE : CLEAR_LINE); + return m_sound_irq; +} + +static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, dblewing_state ) + AM_RANGE(0x0000, 0x7fff) AM_ROM + AM_RANGE(0x8000, 0x87ff) AM_RAM + AM_RANGE(0xa000, 0xa001) AM_DEVREADWRITE("ymsnd", ym2151_device, status_r, write) + AM_RANGE(0xb000, 0xb000) AM_DEVREADWRITE("oki", okim6295_device, read, write) + AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_byte_r) + AM_RANGE(0xd000, 0xd000) AM_READ(irq_latch_r) //timing? sound latch? + AM_RANGE(0xf000, 0xf000) AM_DEVREADWRITE("oki", okim6295_device, read, write) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_io, AS_IO, 8, dblewing_state ) + AM_RANGE(0x0000, 0xffff) AM_ROM AM_REGION("audiocpu", 0) +ADDRESS_MAP_END + + + +static const gfx_layout tile_8x8_layout = +{ + 8,8, + RGN_FRAC(1,2), + 4, + { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, + 8*16 +}; + +static const gfx_layout tile_16x16_layout = +{ + 16,16, + RGN_FRAC(1,2), + 4, + { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, + { 256,257,258,259,260,261,262,263,0, 1, 2, 3, 4, 5, 6, 7 }, + { 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 }, + 32*16 +}; + +static const gfx_layout spritelayout = +{ + 16,16, + RGN_FRAC(1,1), + 4, + { 24,8,16,0 }, + { 512,513,514,515,516,517,518,519, 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32, + 8*32, 9*32,10*32,11*32,12*32,13*32,14*32,15*32}, + 32*32 +}; + + +static GFXDECODE_START( dblewing ) + GFXDECODE_ENTRY( "gfx1", 0, tile_8x8_layout, 0x000, 32 ) /* Tiles (8x8) */ + GFXDECODE_ENTRY( "gfx1", 0, tile_16x16_layout, 0x000, 32 ) /* Tiles (16x16) */ + GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 0x200, 32 ) /* Sprites (16x16) */ +GFXDECODE_END + +static INPUT_PORTS_START( dblewing ) + PORT_START("INPUTS") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) + PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 ) + + PORT_START("SYSTEM") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_SERVICE1 ) + PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") + + PORT_START("DSW") + /* 16bit - These values are for Dip Switch #1 */ + PORT_DIPNAME( 0x0007, 0x0007, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2,3") + PORT_DIPSETTING( 0x0000, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x0001, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x0007, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x0006, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x0005, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0004, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x0003, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x0002, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0x0038, 0x0038, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:4,5,6") + PORT_DIPSETTING( 0x0000, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x0008, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x0038, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x0030, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x0028, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0020, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x0018, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x0010, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:7") + PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Region ) ) PORT_DIPLOCATION("SW1:8") /*Manual says "don't change this" */ + PORT_DIPSETTING( 0x0080, DEF_STR( Japan ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( Korea ) ) + /* 16bit - These values are for Dip Switch #2 */ + PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2") + PORT_DIPSETTING( 0x0200, "1" ) + PORT_DIPSETTING( 0x0100, "2" ) + PORT_DIPSETTING( 0x0300, "3" ) + PORT_DIPSETTING( 0x0000, "5" ) + PORT_DIPNAME( 0x0c00, 0x0c00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:3,4") + PORT_DIPSETTING( 0x0800, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x0c00, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x0400, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0x3000, 0x3000, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:5,6") + PORT_DIPSETTING( 0x2000, "Every 100,000" ) + PORT_DIPSETTING( 0x3000, "Every 150,000" ) + PORT_DIPSETTING( 0x1000, "Every 300,000" ) + PORT_DIPSETTING( 0x0000, "250,000 Only" ) + PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SW2:7") + PORT_DIPSETTING( 0x0000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x4000, DEF_STR( On ) ) + PORT_DIPNAME( 0x8000, 0x0000, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8") + PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) +INPUT_PORTS_END + +WRITE_LINE_MEMBER(dblewing_state::sound_irq) +{ + /* bit 0 of dblewing_sound_irq specifies IRQ from sound chip */ + if (state) + m_sound_irq |= 0x01; + else + m_sound_irq &= ~0x01; + m_audiocpu->set_input_line(0, (m_sound_irq != 0) ? ASSERT_LINE : CLEAR_LINE); +} + +DECO16IC_BANK_CB_MEMBER(dblewing_state::bank_callback) +{ + return ((bank >> 4) & 0x7) * 0x1000; +} + +DECOSPR_PRIORITY_CB_MEMBER(dblewing_state::pri_callback) +{ + return 0; // sprites always on top? +} + + +void dblewing_state::machine_start() +{ + save_item(NAME(m_sound_irq)); +} + +void dblewing_state::machine_reset() +{ + m_sound_irq = 0; +} + +void dblewing_state::dblewing_sound_cb( address_space &space, UINT16 data, UINT16 mem_mask ) +{ + soundlatch_byte_w(space, 0, data & 0xff); + m_sound_irq |= 0x02; + m_audiocpu->set_input_line(0, (m_sound_irq != 0) ? ASSERT_LINE : CLEAR_LINE); +} + +static MACHINE_CONFIG_START( dblewing, dblewing_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M68000, XTAL_28MHz/2) /* DE102 */ + MCFG_CPU_PROGRAM_MAP(dblewing_map) + MCFG_CPU_DECRYPTED_OPCODES_MAP(decrypted_opcodes_map) + MCFG_CPU_VBLANK_INT_DRIVER("screen", dblewing_state, irq6_line_hold) + + MCFG_CPU_ADD("audiocpu", Z80, XTAL_32_22MHz/9) + MCFG_CPU_PROGRAM_MAP(sound_map) + MCFG_CPU_IO_MAP(sound_io) + + MCFG_QUANTUM_TIME(attotime::from_hz(6000)) + + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(58.443) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) + MCFG_SCREEN_SIZE(64*8, 32*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 1*8, 31*8-1) + MCFG_SCREEN_UPDATE_DRIVER(dblewing_state, screen_update_dblewing) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD("palette", 4096) + MCFG_PALETTE_FORMAT(xxxxBBBBGGGGRRRR) + MCFG_GFXDECODE_ADD("gfxdecode", "palette", dblewing) + + MCFG_DEVICE_ADD("tilegen1", DECO16IC, 0) + MCFG_DECO16IC_SPLIT(0) + MCFG_DECO16IC_WIDTH12(1) + MCFG_DECO16IC_PF1_TRANS_MASK(0x0f) + MCFG_DECO16IC_PF2_TRANS_MASK(0x0f) + MCFG_DECO16IC_PF1_COL_BANK(0x00) + MCFG_DECO16IC_PF2_COL_BANK(0x10) + MCFG_DECO16IC_PF1_COL_MASK(0x0f) + MCFG_DECO16IC_PF2_COL_MASK(0x0f) + MCFG_DECO16IC_BANK1_CB(dblewing_state, bank_callback) + MCFG_DECO16IC_BANK2_CB(dblewing_state, bank_callback) + MCFG_DECO16IC_PF12_8X8_BANK(0) + MCFG_DECO16IC_PF12_16X16_BANK(1) + MCFG_DECO16IC_GFXDECODE("gfxdecode") + MCFG_DECO16IC_PALETTE("palette") + + MCFG_DEVICE_ADD("spritegen", DECO_SPRITE, 0) + MCFG_DECO_SPRITE_GFX_REGION(2) + MCFG_DECO_SPRITE_PRIORITY_CB(dblewing_state, pri_callback) + MCFG_DECO_SPRITE_GFXDECODE("gfxdecode") + MCFG_DECO_SPRITE_PALETTE("palette") + + MCFG_DECO104_ADD("ioprot104") + MCFG_DECO146_SET_INTERFACE_SCRAMBLE_INTERLEAVE + MCFG_DECO146_SET_USE_MAGIC_ADDRESS_XOR + MCFG_DECO146_SET_SOUNDLATCH_CALLBACK(dblewing_state, dblewing_sound_cb) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_YM2151_ADD("ymsnd", XTAL_32_22MHz/9) + MCFG_YM2151_IRQ_HANDLER(WRITELINE(dblewing_state, sound_irq)) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) + + MCFG_OKIM6295_ADD("oki", XTAL_28MHz/28, OKIM6295_PIN7_HIGH) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) +MACHINE_CONFIG_END + + + + +ROM_START( dblewing ) + ROM_REGION( 0x80000, "maincpu", 0 ) /* DE102 code (encrypted) */ + ROM_LOAD16_BYTE( "kp_00-.3d", 0x000001, 0x040000, CRC(547dc83e) SHA1(f6f96bd4338d366f06df718093f035afabc073d1) ) + ROM_LOAD16_BYTE( "kp_01-.5d", 0x000000, 0x040000, CRC(7a210c33) SHA1(ced89140af6d6a1bc0ffb7728afca428ed007165) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) // sound cpu + ROM_LOAD( "kp_02-.10h", 0x00000, 0x10000, CRC(def035fa) SHA1(fd50314e5c94c25df109ee52c0ce701b0ff2140c) ) + + ROM_REGION( 0x100000, "gfx1", 0 ) + ROM_LOAD( "mbe-02.8h", 0x00000, 0x100000, CRC(5a6d3ac5) SHA1(738bb833e2c5d929ac75fe4e69ee0af88197d8a6) ) + + ROM_REGION( 0x200000, "gfx2", 0 ) + ROM_LOAD16_BYTE( "mbe-00.14a", 0x000000, 0x100000, CRC(e33f5c93) SHA1(720904b54d02dace2310ac6bd07d5ed4bc4fd69c) ) + ROM_LOAD16_BYTE( "mbe-01.16a", 0x000001, 0x100000, CRC(ef452ad7) SHA1(7fe49123b5c2778e46104eaa3a2104ce09e05705) ) + + ROM_REGION( 0x80000, "oki", 0 ) /* Oki samples */ + ROM_LOAD( "kp_03-.16h", 0x00000, 0x20000, CRC(5d7f930d) SHA1(ad23aa804ea3ccbd7630ade9b53fc3ea2718a6ec) ) + ROM_RELOAD( 0x20000, 0x20000 ) + ROM_RELOAD( 0x40000, 0x20000 ) + ROM_RELOAD( 0x60000, 0x20000 ) +ROM_END + +DRIVER_INIT_MEMBER(dblewing_state,dblewing) +{ + deco56_decrypt_gfx(machine(), "gfx1"); + deco102_decrypt_cpu((UINT16 *)memregion("maincpu")->base(), m_decrypted_opcodes, 0x80000, 0x399d, 0x25, 0x3d); +} + + +GAME( 1993, dblewing, 0, dblewing, dblewing, dblewing_state, dblewing, ROT90, "Mitchell", "Double Wings", MACHINE_SUPPORTS_SAVE ) |