diff options
Diffstat (limited to 'trunk/src/mame/drivers/destroyr.c')
-rw-r--r-- | trunk/src/mame/drivers/destroyr.c | 521 |
1 files changed, 521 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/destroyr.c b/trunk/src/mame/drivers/destroyr.c new file mode 100644 index 00000000000..cf0eda53682 --- /dev/null +++ b/trunk/src/mame/drivers/destroyr.c @@ -0,0 +1,521 @@ +/*************************************************************************** + +Atari Destroyer Driver + +TODO: +- discrete sound +- accurate implementation of scanline counter as documented in schematics, + generate irqs from there, and refresh rate 15750/262 (~60.1) instead of 60 + +***************************************************************************/ + +#include "emu.h" +#include "cpu/m6800/m6800.h" + +#include "destroyr.lh" + + +class destroyr_state : public driver_device +{ +public: + destroyr_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) { } + + /* memory pointers */ + UINT8 * m_major_obj_ram; + UINT8 * m_minor_obj_ram; + UINT8 * m_alpha_num_ram; + + /* video-related */ + int m_cursor; + int m_wavemod; + + /* misc */ + int m_potmask[2]; + int m_potsense[2]; + int m_attract; + int m_motor_speed; + int m_noise; + + /* devices */ + device_t *m_maincpu; +}; + + +static SCREEN_UPDATE( destroyr ) +{ + destroyr_state *state = screen->machine().driver_data<destroyr_state>(); + int i, j; + + bitmap_fill(bitmap, cliprect, 0); + + /* draw major objects */ + for (i = 0; i < 16; i++) + { + int attr = state->m_major_obj_ram[2 * i + 0] ^ 0xff; + int horz = state->m_major_obj_ram[2 * i + 1]; + + int num = attr & 3; + int scan = attr & 4; + int flipx = attr & 8; + + if (scan == 0) + { + if (horz >= 192) + horz -= 256; + } + else + { + if (horz < 192) + continue; + } + + drawgfx_transpen(bitmap, cliprect, screen->machine().gfx[2], num, 0, flipx, 0, horz, 16 * i, 0); + } + + /* draw alpha numerics */ + for (i = 0; i < 8; i++) + { + for (j = 0; j < 32; j++) + { + int num = state->m_alpha_num_ram[32 * i + j]; + + drawgfx_transpen(bitmap, cliprect, screen->machine().gfx[0], num, 0, 0, 0, 8 * j, 8 * i, 0); + } + } + + /* draw minor objects */ + for (i = 0; i < 2; i++) + { + int num = i << 4 | (state->m_minor_obj_ram[i + 0] & 0xf); + int horz = 256 - state->m_minor_obj_ram[i + 2]; + int vert = 256 - state->m_minor_obj_ram[i + 4]; + + drawgfx_transpen(bitmap, cliprect, screen->machine().gfx[1], num, 0, 0, 0, horz, vert, 0); + } + + /* draw waves */ + for (i = 0; i < 4; i++) + { + drawgfx_transpen(bitmap, cliprect, screen->machine().gfx[3], state->m_wavemod ? 1 : 0, 0, 0, 0, 64 * i, 0x4e, 0); + } + + /* draw cursor */ + for (i = 0; i < 256; i++) + { + if (i & 4) + *BITMAP_ADDR16(bitmap, state->m_cursor ^ 0xff, i) = 7; + } + return 0; +} + +static TIMER_CALLBACK( destroyr_dial_callback ) +{ + destroyr_state *state = machine.driver_data<destroyr_state>(); + int dial = param; + + /* Analog inputs come from the player's depth control potentiometer. + The voltage is compared to a voltage ramp provided by a discrete + analog circuit that conditions the VBLANK signal. When the ramp + voltage exceeds the input voltage an NMI signal is generated. The + computer then reads the VSYNC data functions to tell where the + cursor should be located. */ + + state->m_potsense[dial] = 1; + + if (state->m_potmask[dial]) + { + device_set_input_line(state->m_maincpu, INPUT_LINE_NMI, PULSE_LINE); + } +} + + +static TIMER_CALLBACK( destroyr_frame_callback ) +{ + destroyr_state *state = machine.driver_data<destroyr_state>(); + state->m_potsense[0] = 0; + state->m_potsense[1] = 0; + + /* PCB supports two dials, but cab has only got one */ + machine.scheduler().timer_set(machine.primary_screen->time_until_pos(input_port_read(machine, "PADDLE")), FUNC(destroyr_dial_callback)); + machine.scheduler().timer_set(machine.primary_screen->time_until_pos(0), FUNC(destroyr_frame_callback)); +} + + +static MACHINE_RESET( destroyr ) +{ + destroyr_state *state = machine.driver_data<destroyr_state>(); + + machine.scheduler().timer_set(machine.primary_screen->time_until_pos(0), FUNC(destroyr_frame_callback)); + + state->m_cursor = 0; + state->m_wavemod = 0; + state->m_potmask[0] = 0; + state->m_potmask[1] = 0; + state->m_potsense[0] = 0; + state->m_potsense[1] = 0; + state->m_attract = 0; + state->m_motor_speed = 0; + state->m_noise = 0; +} + + +static WRITE8_HANDLER( destroyr_misc_w ) +{ + destroyr_state *state = space->machine().driver_data<destroyr_state>(); + + /* bits 0 to 2 connect to the sound circuits */ + state->m_attract = data & 0x01; + state->m_noise = data & 0x02; + state->m_motor_speed = data & 0x04; + state->m_potmask[0] = data & 0x08; + state->m_wavemod = data & 0x10; + state->m_potmask[1] = data & 0x20; + + coin_lockout_w(space->machine(), 0, !state->m_attract); + coin_lockout_w(space->machine(), 1, !state->m_attract); +} + + +static WRITE8_HANDLER( destroyr_cursor_load_w ) +{ + destroyr_state *state = space->machine().driver_data<destroyr_state>(); + state->m_cursor = data; + watchdog_reset_w(space, offset, data); +} + + +static WRITE8_HANDLER( destroyr_interrupt_ack_w ) +{ + destroyr_state *state = space->machine().driver_data<destroyr_state>(); + device_set_input_line(state->m_maincpu, 0, CLEAR_LINE); +} + + +static WRITE8_HANDLER( destroyr_output_w ) +{ + if (offset & 8) destroyr_misc_w(space, 8, data); + + else switch (offset & 7) + { + case 0: + set_led_status(space->machine(), 0, data & 1); + break; + case 1: + set_led_status(space->machine(), 1, data & 1); /* no second LED present on cab */ + break; + case 2: + /* bit 0 => songate */ + break; + case 3: + /* bit 0 => launch */ + break; + case 4: + /* bit 0 => explosion */ + break; + case 5: + /* bit 0 => sonar */ + break; + case 6: + /* bit 0 => high explosion */ + break; + case 7: + /* bit 0 => low explosion */ + break; + } +} + + +static READ8_HANDLER( destroyr_input_r ) +{ + destroyr_state *state = space->machine().driver_data<destroyr_state>(); + + if (offset & 1) + { + return input_port_read(space->machine(), "IN1"); + } + + else + { + UINT8 ret = input_port_read(space->machine(), "IN0"); + + if (state->m_potsense[0] && state->m_potmask[0]) + ret |= 4; + if (state->m_potsense[1] && state->m_potmask[1]) + ret |= 8; + + return ret; + } +} + + +static READ8_HANDLER( destroyr_scanline_r ) +{ + return space->machine().primary_screen->vpos(); +} + + +static ADDRESS_MAP_START( destroyr_map, AS_PROGRAM, 8 ) + ADDRESS_MAP_GLOBAL_MASK(0x7fff) + AM_RANGE(0x0000, 0x00ff) AM_MIRROR(0xf00) AM_RAM + AM_RANGE(0x1000, 0x1fff) AM_READWRITE(destroyr_input_r, destroyr_output_w) + AM_RANGE(0x2000, 0x2fff) AM_READ_PORT("IN2") + AM_RANGE(0x3000, 0x30ff) AM_MIRROR(0xf00) AM_WRITEONLY AM_BASE_MEMBER(destroyr_state, m_alpha_num_ram) + AM_RANGE(0x4000, 0x401f) AM_MIRROR(0xfe0) AM_WRITEONLY AM_BASE_MEMBER(destroyr_state, m_major_obj_ram) + AM_RANGE(0x5000, 0x5000) AM_MIRROR(0xff8) AM_WRITE(destroyr_cursor_load_w) + AM_RANGE(0x5001, 0x5001) AM_MIRROR(0xff8) AM_WRITE(destroyr_interrupt_ack_w) + AM_RANGE(0x5002, 0x5007) AM_MIRROR(0xff8) AM_WRITEONLY AM_BASE_MEMBER(destroyr_state, m_minor_obj_ram) + AM_RANGE(0x6000, 0x6fff) AM_READ(destroyr_scanline_r) + AM_RANGE(0x7000, 0x7fff) AM_ROM +ADDRESS_MAP_END + + +static INPUT_PORTS_START( destroyr ) + PORT_START("IN0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) /* call 7400 */ + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) /* potsense1 */ + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) /* potsense2 */ + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 ) + PORT_DIPNAME( 0xc0, 0x80, "Extended Play" ) PORT_DIPLOCATION("SW2:8,7") + PORT_DIPSETTING( 0x40, "1500 points" ) + PORT_DIPSETTING( 0x80, "2500 points" ) + PORT_DIPSETTING( 0xc0, "3500 points" ) + PORT_DIPSETTING( 0x00, "never" ) + + PORT_START("IN1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_TILT ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Speed Control") PORT_TOGGLE + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) + PORT_SERVICE( 0x08, IP_ACTIVE_LOW ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK ) + + PORT_START("IN2") + PORT_DIPNAME( 0x03, 0x02, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:4,3") + PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + PORT_DIPNAME( 0x0c, 0x08, "Play Time" ) PORT_DIPLOCATION("SW:2,1") + PORT_DIPSETTING( 0x00, "50 seconds" ) + PORT_DIPSETTING( 0x04, "75 seconds" ) + PORT_DIPSETTING( 0x08, "100 seconds" ) + PORT_DIPSETTING( 0x0c, "125 seconds" ) + PORT_DIPNAME( 0x30, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("SW2:5,6") + PORT_DIPSETTING( 0x30, DEF_STR( German ) ) + PORT_DIPSETTING( 0x20, DEF_STR( French ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Spanish ) ) + PORT_DIPSETTING( 0x00, DEF_STR( English ) ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("PADDLE") + PORT_BIT( 0xff, 0x00, IPT_PADDLE_V ) PORT_MINMAX(0,160) PORT_SENSITIVITY(30) PORT_KEYDELTA(10) PORT_CENTERDELTA(0) PORT_REVERSE +INPUT_PORTS_END + + +static const gfx_layout destroyr_alpha_num_layout = +{ + 8, 8, /* width, height */ + 64, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0x4, 0x5, 0x6, 0x7, 0xC, 0xD, 0xE, 0xF + }, + { + 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70 + }, + 0x80 /* increment */ +}; + + +static const gfx_layout destroyr_minor_object_layout = +{ + 16, 16, /* width, height */ + 32, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0x04, 0x05, 0x06, 0x07, 0x0C, 0x0D, 0x0E, 0x0F, + 0x14, 0x15, 0x16, 0x17, 0x1C, 0x1D, 0x1E, 0x1F + }, + { + 0x000, 0x020, 0x040, 0x060, 0x080, 0x0a0, 0x0c0, 0x0e0, + 0x100, 0x120, 0x140, 0x160, 0x180, 0x1a0, 0x1c0, 0x1e0 + }, + 0x200 /* increment */ +}; + +static const UINT32 destroyr_major_object_layout_xoffset[64] = +{ + 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, + 0x10, 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x1E, + 0x20, 0x22, 0x24, 0x26, 0x28, 0x2A, 0x2C, 0x2E, + 0x30, 0x32, 0x34, 0x36, 0x38, 0x3A, 0x3C, 0x3E, + 0x40, 0x42, 0x44, 0x46, 0x48, 0x4A, 0x4C, 0x4E, + 0x50, 0x52, 0x54, 0x56, 0x58, 0x5A, 0x5C, 0x5E, + 0x60, 0x62, 0x64, 0x66, 0x68, 0x6A, 0x6C, 0x6E, + 0x70, 0x72, 0x74, 0x76, 0x78, 0x7A, 0x7C, 0x7E +}; + +static const gfx_layout destroyr_major_object_layout = +{ + 64, 16, /* width, height */ + 4, /* total */ + 2, /* planes */ + { 1, 0 }, /* plane offsets */ + EXTENDED_XOFFS, + { + 0x000, 0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x380, + 0x400, 0x480, 0x500, 0x580, 0x600, 0x680, 0x700, 0x780 + }, + 0x0800, /* increment */ + destroyr_major_object_layout_xoffset, + NULL +}; + +static const UINT32 destroyr_waves_layout_xoffset[64] = +{ + 0x00, 0x01, 0x02, 0x03, 0x08, 0x09, 0x0A, 0x0B, + 0x10, 0x11, 0x12, 0x13, 0x18, 0x19, 0x1A, 0x1B, + 0x20, 0x21, 0x22, 0x23, 0x28, 0x29, 0x2A, 0x2B, + 0x30, 0x31, 0x32, 0x33, 0x38, 0x39, 0x3A, 0x3B, + 0x40, 0x41, 0x42, 0x43, 0x48, 0x49, 0x4A, 0x4B, + 0x50, 0x51, 0x52, 0x53, 0x58, 0x59, 0x5A, 0x5B, + 0x60, 0x61, 0x62, 0x63, 0x68, 0x69, 0x6A, 0x6B, + 0x70, 0x71, 0x72, 0x73, 0x78, 0x79, 0x7A, 0x7B +}; + +static const gfx_layout destroyr_waves_layout = +{ + 64, 2, /* width, height */ + 2, /* total */ + 1, /* planes */ + { 0 }, + EXTENDED_XOFFS, + { 0x00, 0x80 }, + 0x04, /* increment */ + destroyr_waves_layout_xoffset, + NULL +}; + + +static GFXDECODE_START( destroyr ) + GFXDECODE_ENTRY( "gfx1", 0, destroyr_alpha_num_layout, 4, 1 ) + GFXDECODE_ENTRY( "gfx2", 0, destroyr_minor_object_layout, 4, 1 ) + GFXDECODE_ENTRY( "gfx3", 0, destroyr_major_object_layout, 0, 1 ) + GFXDECODE_ENTRY( "gfx4", 0, destroyr_waves_layout, 4, 1 ) +GFXDECODE_END + + +static PALETTE_INIT( destroyr ) +{ + palette_set_color(machine, 0, MAKE_RGB(0x00, 0x00, 0x00)); /* major objects */ + palette_set_color(machine, 1, MAKE_RGB(0x50, 0x50, 0x50)); + palette_set_color(machine, 2, MAKE_RGB(0xAF, 0xAF, 0xAF)); + palette_set_color(machine, 3, MAKE_RGB(0xFF ,0xFF, 0xFF)); + palette_set_color(machine, 4, MAKE_RGB(0x00, 0x00, 0x00)); /* alpha numerics, waves, minor objects */ + palette_set_color(machine, 5, MAKE_RGB(0xFF, 0xFF, 0xFF)); + palette_set_color(machine, 6, MAKE_RGB(0x00, 0x00, 0x00)); /* cursor */ + palette_set_color(machine, 7, MAKE_RGB(0x78, 0x78, 0x78)); +} + + +static MACHINE_START( destroyr ) +{ + destroyr_state *state = machine.driver_data<destroyr_state>(); + + state->m_maincpu = machine.device("maincpu"); + + state->save_item(NAME(state->m_cursor)); + state->save_item(NAME(state->m_wavemod)); + state->save_item(NAME(state->m_attract)); + state->save_item(NAME(state->m_motor_speed)); + state->save_item(NAME(state->m_noise)); + state->save_item(NAME(state->m_potmask)); + state->save_item(NAME(state->m_potsense)); +} + +static MACHINE_CONFIG_START( destroyr, destroyr_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M6800, XTAL_12_096MHz / 16) + MCFG_CPU_PROGRAM_MAP(destroyr_map) + MCFG_CPU_PERIODIC_INT(irq0_line_assert, 4*60) + + MCFG_MACHINE_START(destroyr) + MCFG_MACHINE_RESET(destroyr) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MCFG_SCREEN_SIZE(256, 262) + MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 239) + MCFG_SCREEN_UPDATE(destroyr) + + MCFG_GFXDECODE(destroyr) + MCFG_PALETTE_LENGTH(8) + MCFG_PALETTE_INIT(destroyr) + + /* sound hardware */ +MACHINE_CONFIG_END + + +ROM_START( destroyr ) + ROM_REGION( 0x8000, "maincpu", 0 ) /* program code */ + ROM_LOAD( "language.rom",0x7000, 0x0800, NO_DUMP ) // optional add-on translation rom + ROM_LOAD( "30146-01.c3", 0x7800, 0x0800, CRC(e560c712) SHA1(0505ab57eee5421b4ff4e87d14505e02b18fd54c) ) + + ROM_REGION( 0x0400, "gfx1", 0 ) /* alpha numerics */ + ROM_LOAD( "30135-01.p4", 0x0000, 0x0400, CRC(184824cf) SHA1(713cfd1d41ef7b1c345ea0038b652c4ba3f08301) ) + + ROM_REGION( 0x0800, "gfx2", 0 ) /* minor objects */ + ROM_LOAD( "30132-01.f4", 0x0000, 0x0400, CRC(e09d3d55) SHA1(b26013397ef2cb32d0416ecb118387b9c2dffa9a) ) + ROM_LOAD( "30132-01.k4", 0x0400, 0x0400, CRC(e09d3d55) SHA1(b26013397ef2cb32d0416ecb118387b9c2dffa9a) ) // identical to f4 + + ROM_REGION( 0x0400, "gfx3", 0 ) /* major objects */ + ROM_LOAD_NIB_HIGH( "30134-01.p8", 0x0000, 0x0400, CRC(6259e007) SHA1(049f5f7160305cb4f4b499dd113cb11eea73fc95) ) + ROM_LOAD_NIB_LOW ( "30133-01.n8", 0x0000, 0x0400, CRC(108d3e2c) SHA1(8c993369d37c6713670483af78e6d04d38f4b4fc) ) + + ROM_REGION( 0x0020, "gfx4", 0 ) /* waves */ + ROM_LOAD( "30136-01.k2", 0x0000, 0x0020, CRC(532c11b1) SHA1(18ab5369a3f2cfcc9a44f38fa8649524bea5b203) ) + + ROM_REGION( 0x0100, "user1", 0 ) /* sync (used for vsync/vblank signals, not hooked up yet) */ + ROM_LOAD( "30131-01.m1", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) +ROM_END + +ROM_START( destroyr1 ) + ROM_REGION( 0x8000, "maincpu", 0 ) /* program code */ + ROM_LOAD( "language.rom",0x7000, 0x0800, NO_DUMP ) // optional add-on translation rom + ROM_LOAD_NIB_HIGH( "30142-01.f3", 0x7800, 0x0400, CRC(9e9a08d3) SHA1(eb31bab1537caf43ab8c3d23a6c9cc2009fcb98e) ) + ROM_LOAD_NIB_LOW ( "30141-01.e2", 0x7800, 0x0400, CRC(c924fbce) SHA1(53aa9a3c4c6e90fb94500ddfa6c2ae3076eee2ef) ) + ROM_LOAD_NIB_HIGH( "30144-01.j3", 0x7c00, 0x0400, CRC(0c7135c6) SHA1(6a0180353a0a6f34639dadc23179f6323aae8d62) ) + ROM_LOAD_NIB_LOW ( "30143-01.h2", 0x7c00, 0x0400, CRC(b946e6f0) SHA1(b906024bb0e03a644fff1d5516637c24916b096e) ) + + ROM_REGION( 0x0400, "gfx1", 0 ) /* alpha numerics */ + ROM_LOAD( "30135-01.p4", 0x0000, 0x0400, CRC(184824cf) SHA1(713cfd1d41ef7b1c345ea0038b652c4ba3f08301) ) + + ROM_REGION( 0x0800, "gfx2", 0 ) /* minor objects */ + ROM_LOAD( "30132-01.f4", 0x0000, 0x0400, CRC(e09d3d55) SHA1(b26013397ef2cb32d0416ecb118387b9c2dffa9a) ) + ROM_LOAD( "30132-01.k4", 0x0400, 0x0400, CRC(e09d3d55) SHA1(b26013397ef2cb32d0416ecb118387b9c2dffa9a) ) // identical to f4 + + ROM_REGION( 0x0400, "gfx3", 0 ) /* major objects */ + ROM_LOAD_NIB_HIGH( "30134-01.p8", 0x0000, 0x0400, CRC(6259e007) SHA1(049f5f7160305cb4f4b499dd113cb11eea73fc95) ) + ROM_LOAD_NIB_LOW ( "30133-01.n8", 0x0000, 0x0400, CRC(108d3e2c) SHA1(8c993369d37c6713670483af78e6d04d38f4b4fc) ) + + ROM_REGION( 0x0020, "gfx4", 0 ) /* waves */ + ROM_LOAD( "30136-01.k2", 0x0000, 0x0020, CRC(532c11b1) SHA1(18ab5369a3f2cfcc9a44f38fa8649524bea5b203) ) + + ROM_REGION( 0x0100, "user1", 0 ) /* sync (used for vsync/vblank signals, not hooked up yet) */ + ROM_LOAD( "30131-01.m1", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) +ROM_END + + +GAMEL( 1977, destroyr, 0, destroyr, destroyr, 0, ORIENTATION_FLIP_X, "Atari", "Destroyer (version O2)", GAME_NO_SOUND, layout_destroyr ) +GAMEL( 1977, destroyr1, destroyr, destroyr, destroyr, 0, ORIENTATION_FLIP_X, "Atari", "Destroyer (version O1)", GAME_NO_SOUND, layout_destroyr ) |