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Improvements to skylncr.c driver.

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- Hooked all the PPI 8255 devices.
- Reworked the inputs based on them.
- Fixed the reels visible area.
- Reorganized and cleaned-up the driver.

(only remains to split in driver + video)
This commit is contained in:
Roberto Fresca 2009-01-13 18:45:27 +00:00
parent 1b48649379
commit 2fbc0ae577
1 changed files with 160 additions and 81 deletions
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209
src/mame/drivers/skylncr.c
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@ -24,8 +24,7 @@
TODO: TODO:
- Hook the PPI 8255 devices and rework the I/O based on them. - Proper M5M82C255 device emulation.
- Proper M5M82C255 emulation.
*************************************************************************************************************/ *************************************************************************************************************/
@ -36,6 +35,7 @@
#include "driver.h" #include "driver.h"
#include "cpu/z80/z80.h" #include "cpu/z80/z80.h"
#include "sound/ay8910.h" #include "sound/ay8910.h"
#include "machine/8255ppi.h"
static tilemap *tmap; static tilemap *tmap;
@ -58,6 +58,12 @@ static UINT8* reelscroll2;
static UINT8* reelscroll3; static UINT8* reelscroll3;
static UINT8* reelscroll4; static UINT8* reelscroll4;
static UINT8 skylncr_nmi_enable;
/**************************************
* Video Hardware *
**************************************/
static WRITE8_HANDLER( skylncr_videoram_w ) static WRITE8_HANDLER( skylncr_videoram_w )
{ {
@ -106,8 +112,7 @@ static TILE_GET_INFO( get_reel_4_tile_info )
static VIDEO_START( skylncr ) static VIDEO_START( skylncr )
{ {
tmap = tilemap_create( machine, get_tile_info, tilemap_scan_rows, tmap = tilemap_create( machine, get_tile_info, tilemap_scan_rows, 8, 8, 0x40, 0x20 );
8,8, 0x40,0x20 );
reel_1_tilemap = tilemap_create(machine, get_reel_1_tile_info, tilemap_scan_rows, 8, 32, 64, 8 ); reel_1_tilemap = tilemap_create(machine, get_reel_1_tile_info, tilemap_scan_rows, 8, 32, 64, 8 );
reel_2_tilemap = tilemap_create(machine, get_reel_2_tile_info, tilemap_scan_rows, 8, 32, 64, 8 ); reel_2_tilemap = tilemap_create(machine, get_reel_2_tile_info, tilemap_scan_rows, 8, 32, 64, 8 );
@ -127,9 +132,9 @@ static VIDEO_START( skylncr )
} }
// are these hardcoded, or registers? // are these hardcoded, or registers?
static const rectangle visible1 = { 0*8, (14+48)*8-1, 4*8, (4+7)*8-1 }; static const rectangle visible1 = { 0*8, (20+48)*8-1, 4*8, (4+7)*8-1 };
static const rectangle visible2 = { 0*8, (14+48)*8-1, 12*8, (12+7)*8-1 }; static const rectangle visible2 = { 0*8, (20+48)*8-1, 12*8, (12+7)*8-1 };
static const rectangle visible3 = { 0*8, (14+48)*8-1, 20*8, (20+7)*8-1 }; static const rectangle visible3 = { 0*8, (20+48)*8-1, 20*8, (20+7)*8-1 };
static VIDEO_UPDATE( skylncr ) static VIDEO_UPDATE( skylncr )
@ -155,6 +160,7 @@ static VIDEO_UPDATE( skylncr )
return 0; return 0;
} }
WRITE8_HANDLER( reeltiles_1_w ) WRITE8_HANDLER( reeltiles_1_w )
{ {
reeltiles_1_ram[offset] = data; reeltiles_1_ram[offset] = data;
@ -204,25 +210,6 @@ WRITE8_HANDLER( reeltileshigh_4_w )
} }
static READ8_HANDLER( ret_ff )
{
return 0xff;
}
#ifdef UNUSED_FUNCTION
static READ8_HANDLER( ret_00 )
{
return 0x00;
}
#endif
static UINT8 skylncr_nmi_enable;
static WRITE8_HANDLER( skylncr_nmi_enable_w )
{
skylncr_nmi_enable = data & 0x10;
}
static WRITE8_HANDLER( skylncr_paletteram_w ) static WRITE8_HANDLER( skylncr_paletteram_w )
{ {
static int color; static int color;
@ -235,8 +222,14 @@ static WRITE8_HANDLER( skylncr_paletteram_w )
{ {
int r,g,b; int r,g,b;
paletteram[color] = data; paletteram[color] = data;
r = paletteram[(color/3*3)+0]; g = paletteram[(color/3*3)+1]; b = paletteram[(color/3*3)+2];
r = (r << 2) | (r >> 4); g = (g << 2) | (g >> 4); b = (b << 2) | (b >> 4); r = paletteram[(color/3 * 3) + 0];
g = paletteram[(color/3 * 3) + 1];
b = paletteram[(color/3 * 3) + 2];
r = (r << 2) | (r >> 4);
g = (g << 2) | (g >> 4);
b = (b << 2) | (b >> 4);
palette_set_color(space->machine, color / 3, MAKE_RGB(r, g, b)); palette_set_color(space->machine, color / 3, MAKE_RGB(r, g, b));
color = (color + 1) % (0x100 * 3); color = (color + 1) % (0x100 * 3);
} }
@ -254,8 +247,14 @@ static WRITE8_HANDLER( skylncr_paletteram2_w )
{ {
int r,g,b; int r,g,b;
paletteram_2[color] = data; paletteram_2[color] = data;
r = paletteram_2[(color/3*3)+0]; g = paletteram_2[(color/3*3)+1]; b = paletteram_2[(color/3*3)+2];
r = (r << 2) | (r >> 4); g = (g << 2) | (g >> 4); b = (b << 2) | (b >> 4); r = paletteram_2[(color/3 * 3) + 0];
g = paletteram_2[(color/3 * 3) + 1];
b = paletteram_2[(color/3 * 3) + 2];
r = (r << 2) | (r >> 4);
g = (g << 2) | (g >> 4);
b = (b << 2) | (b >> 4);
palette_set_color(space->machine, 0x100 + color / 3, MAKE_RGB(r, g, b)); palette_set_color(space->machine, 0x100 + color / 3, MAKE_RGB(r, g, b));
color = (color + 1) % (0x100 * 3); color = (color + 1) % (0x100 * 3);
} }
@ -282,6 +281,37 @@ static WRITE8_HANDLER( reelscroll4_w )
} }
/************************************
* Other Handlers *
************************************/
static WRITE8_HANDLER( skylncr_coin_w )
{
coin_counter_w( 0, data & 0x04 );
}
static READ8_HANDLER( ret_ff )
{
return 0xff;
}
#ifdef UNUSED_FUNCTION
static READ8_HANDLER( ret_00 )
{
return 0x00;
}
#endif
static WRITE8_HANDLER( skylncr_nmi_enable_w )
{
skylncr_nmi_enable = data & 0x10;
}
/**************************************
* Memory Map *
**************************************/
static ADDRESS_MAP_START( mem_map_skylncr, ADDRESS_SPACE_PROGRAM, 8 ) static ADDRESS_MAP_START( mem_map_skylncr, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0x87ff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size) AM_RANGE(0x8000, 0x87ff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
@ -340,21 +370,11 @@ static ADDRESS_MAP_START( mem_map_skylncr, ADDRESS_SPACE_PROGRAM, 8 )
ADDRESS_MAP_END ADDRESS_MAP_END
static WRITE8_HANDLER( skylncr_coin_w )
{
coin_counter_w( 0, data & 0x04 );
// popmessage("%02x",data);
}
static ADDRESS_MAP_START( io_map_skylncr, ADDRESS_SPACE_IO, 8 ) static ADDRESS_MAP_START( io_map_skylncr, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ_PORT("IN1") AM_RANGE(0x00, 0x03) AM_DEVREADWRITE(PPI8255, "ppi8255_0", ppi8255_r, ppi8255_w) /* Input Ports */
AM_RANGE(0x01, 0x01) AM_READ_PORT("IN2") AM_RANGE(0x10, 0x13) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w) /* Input Ports */
AM_RANGE(0x02, 0x02) AM_READ_PORT("DSW1")
AM_RANGE(0x10, 0x10) AM_READ_PORT("DSW2")
AM_RANGE(0x11, 0x11) AM_READ_PORT("IN3")
AM_RANGE(0x12, 0x12) AM_READ_PORT("IN4")
AM_RANGE(0x20, 0x20) AM_WRITE( skylncr_coin_w ) AM_RANGE(0x20, 0x20) AM_WRITE( skylncr_coin_w )
@ -368,6 +388,10 @@ static ADDRESS_MAP_START( io_map_skylncr, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_END ADDRESS_MAP_END
/***************************************
* Graphics Layouts *
***************************************/
static const gfx_layout layout8x8x8 = static const gfx_layout layout8x8x8 =
{ {
8,8, 8,8,
@ -424,6 +448,11 @@ static const gfx_layout layout8x32x8_rot =
8*32*8/2 8*32*8/2
}; };
/**************************************
* Graphics Decode *
**************************************/
static GFXDECODE_START( skylncr ) static GFXDECODE_START( skylncr )
GFXDECODE_ENTRY( "gfx1", 0, layout8x8x8, 0, 2 ) GFXDECODE_ENTRY( "gfx1", 0, layout8x8x8, 0, 2 )
GFXDECODE_ENTRY( "gfx2", 0, layout8x32x8, 0, 2 ) GFXDECODE_ENTRY( "gfx2", 0, layout8x32x8, 0, 2 )
@ -431,48 +460,52 @@ static GFXDECODE_START( skylncr )
GFXDECODE_END GFXDECODE_END
/***********************************
* Input Ports *
***********************************/
static INPUT_PORTS_START( skylncr ) static INPUT_PORTS_START( skylncr )
PORT_START("IN1") /* $0 "PORT0 A" */ PORT_START("IN1") /* $00 (PPI0 port A) */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON6) PORT_NAME("Stop 2") PORT_CODE(KEYCODE_X) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON6) PORT_CODE(KEYCODE_X) PORT_NAME("Stop 2")
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON5) PORT_NAME("Stop 1") PORT_CODE(KEYCODE_Z) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON5) PORT_CODE(KEYCODE_Z) PORT_NAME("Stop 1")
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON7) PORT_NAME("Stop 3") PORT_CODE(KEYCODE_C) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON7) PORT_CODE(KEYCODE_C) PORT_NAME("Stop 3")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("IN2") /* $1 "PORT0 B" */ PORT_START("IN2") /* $01 (PPI0 port B) */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("Bet") PORT_CODE(KEYCODE_2) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_CODE(KEYCODE_2) PORT_NAME("Bet")
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON9) PORT_NAME("Option 2 (D-UP)") PORT_CODE(KEYCODE_S) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON9) PORT_CODE(KEYCODE_S) PORT_NAME("Option 2 (D-UP)")
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Start") PORT_CODE(KEYCODE_1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_CODE(KEYCODE_1) PORT_NAME("Start")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("IN3") /* $11 "PORT1 B" */ PORT_START("IN3") /* $11 (PPI1 port B) */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_IMPULSE(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_IMPULSE(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Key In") PORT_CODE(KEYCODE_Q) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_Q) PORT_NAME("Key In")
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("Option 1 (D-UP)") PORT_CODE(KEYCODE_A) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_CODE(KEYCODE_A) PORT_NAME("Option 1 (D-UP)")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("D-UP") PORT_CODE(KEYCODE_3) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_CODE(KEYCODE_3) PORT_NAME("D-UP")
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Take Score") PORT_CODE(KEYCODE_4) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_CODE(KEYCODE_4) PORT_NAME("Take Score")
PORT_START("IN4") /* $12 "PORT1 C" */ PORT_START("IN4") /* $12 (PPI1 port C) */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Reset") PORT_CODE(KEYCODE_R) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_R) PORT_NAME("Reset")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Stats") PORT_CODE(KEYCODE_0) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_0) PORT_NAME("Stats")
PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW ) /* Settings */ PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW ) /* Settings */
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Key Out") PORT_CODE(KEYCODE_W) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_W) PORT_NAME("Key Out")
PORT_START("DSW1") /* $2 "DSW1" */ PORT_START("DSW1") /* $02 (PPI0 port C) */
PORT_DIPNAME( 0x11, 0x01, "D-UP Percentage" ) PORT_DIPNAME( 0x11, 0x01, "D-UP Percentage" )
PORT_DIPSETTING( 0x11, "60%" ) PORT_DIPSETTING( 0x11, "60%" )
PORT_DIPSETTING( 0x01, "70%" ) PORT_DIPSETTING( 0x01, "70%" )
@ -497,8 +530,8 @@ static INPUT_PORTS_START( skylncr )
PORT_DIPSETTING( 0x80, "x100" ) PORT_DIPSETTING( 0x80, "x100" )
PORT_DIPSETTING( 0x00, "x1" ) PORT_DIPSETTING( 0x00, "x1" )
PORT_START("DSW2") /* $10 "DSW2" */ PORT_START("DSW2") /* $10 (PPI1 port A) */
PORT_DIPNAME( 0x01, 0x01, "DSW2" ) PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
@ -573,6 +606,35 @@ static INPUT_PORTS_START( skylncr )
INPUT_PORTS_END INPUT_PORTS_END
/**************************************
* PPI 8255 (x2) Interface *
**************************************/
static const ppi8255_interface ppi8255_intf[2] =
{
{ /* A, B & C set as input */
DEVICE8_PORT("IN1"), /* Port A read */
DEVICE8_PORT("IN2"), /* Port B read */
DEVICE8_PORT("DSW1"), /* Port C read */
NULL, /* Port A write */
NULL, /* Port B write */
NULL /* Port C write */
},
{ /* A, B & C set as input */
DEVICE8_PORT("DSW2"), /* Port A read */
DEVICE8_PORT("IN3"), /* Port B read */
DEVICE8_PORT("IN4"), /* Port C read */
NULL, /* Port A write */
NULL, /* Port B write */
NULL /* Port C write */
}
};
/**********************************
* AY-3-8910 Interface *
**********************************/
static const ay8910_interface ay8910_config = static const ay8910_interface ay8910_config =
{ {
AY8910_LEGACY_OUTPUT, AY8910_LEGACY_OUTPUT,
@ -590,6 +652,11 @@ static INTERRUPT_GEN( skylncr_vblank_interrupt )
if (skylncr_nmi_enable) cpu_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE); if (skylncr_nmi_enable) cpu_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE);
} }
/*************************************
* Machine Driver *
*************************************/
static MACHINE_DRIVER_START( skylncr ) static MACHINE_DRIVER_START( skylncr )
/* basic machine hardware */ /* basic machine hardware */
@ -600,6 +667,10 @@ static MACHINE_DRIVER_START( skylncr )
MDRV_NVRAM_HANDLER(generic_0fill) MDRV_NVRAM_HANDLER(generic_0fill)
/* 1x M5M82C255, or 2x PPI8255 */
MDRV_PPI8255_ADD( "ppi8255_0", ppi8255_intf[0] )
MDRV_PPI8255_ADD( "ppi8255_1", ppi8255_intf[1] )
/* video hardware */ /* video hardware */
MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_REFRESH_RATE(60)
@ -621,6 +692,10 @@ static MACHINE_DRIVER_START( skylncr )
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END MACHINE_DRIVER_END
/**********************************
* ROM Load *
**********************************/
/* /*
Sky Lancer PCB Layout Sky Lancer PCB Layout
@ -744,6 +819,10 @@ ROM_START( leader )
ROM_END ROM_END
/**********************************
* Driver Init *
**********************************/
static DRIVER_INIT( skylncr ) static DRIVER_INIT( skylncr )
{ {
paletteram = auto_malloc(0x100 * 3); paletteram = auto_malloc(0x100 * 3);
@ -751,9 +830,9 @@ static DRIVER_INIT( skylncr )
} }
/***************************************************** /****************************************************
Game Drivers * Game Drivers *
*****************************************************/ ****************************************************/
/* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS */ /* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS */
GAME( 1995, skylncr, 0, skylncr, skylncr, skylncr, ROT0, "Bordun International", "Sky Lancer (Bordun, ver.U450C)", 0 ) GAME( 1995, skylncr, 0, skylncr, skylncr, skylncr, ROT0, "Bordun International", "Sky Lancer (Bordun, ver.U450C)", 0 )