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Diffstat (limited to 'src/mame/drivers/acommand.c')
-rw-r--r--src/mame/drivers/acommand.c587
1 files changed, 587 insertions, 0 deletions
diff --git a/src/mame/drivers/acommand.c b/src/mame/drivers/acommand.c
new file mode 100644
index 00000000000..e82ff3a97f7
--- /dev/null
+++ b/src/mame/drivers/acommand.c
@@ -0,0 +1,587 @@
+/*******************************************************************************************
+
+Alien Command (c) 1993 Jaleco
+
+driver by Angelo Salese
+
+seems like a particular version of the NMK16 board.
+
+TODO:
+-Understand what "devices" area needs to make this working...
+
+-Complete sound
+
+-Back tilemap paging is likely to be incorrect...
+
+
+m68k irq table vectors
+lev 1 : 0x64 : 0000 04f0 - rte
+lev 2 : 0x68 : 0000 044a - vblank
+lev 3 : 0x6c : 0000 0484 - "dynamic color change" (?)
+lev 4 : 0x70 : 0000 04f0 - rte
+lev 5 : 0x74 : 0000 04f0 - rte
+lev 6 : 0x78 : 0000 04f0 - rte
+lev 7 : 0x7c : 0000 04f0 - rte
+
+===========================================================================================
+
+Jaleco Alien Command
+Redemption Video Game with Guns
+
+2/7/99
+
+Hardware Specs: 68000 at 12Mhz and OKI6295
+
+JALMR17 BIN 524,288 02-07-99 1:17a JALMR17.BIN
+JALCF2 BIN 1,048,576 02-07-99 1:10a JALCF2.BIN
+JALCF3 BIN 131,072 02-07-99 1:12a JALCF3.BIN
+JALCF4 BIN 131,072 02-07-99 1:13a JALCF4.BIN
+JALCF5 BIN 524,288 02-07-99 1:15a JALCF5.BIN
+JALCF6 BIN 131,072 02-07-99 1:14a JALCF6.BIN
+JALGP1 BIN 524,288 02-07-99 1:21a JALGP1.BIN
+JALGP2 BIN 524,288 02-07-99 1:24a JALGP2.BIN
+JALGP3 BIN 524,288 02-07-99 1:20a JALGP3.BIN
+JALGP4 BIN 524,288 02-07-99 1:23a JALGP4.BIN
+JALGP5 BIN 524,288 02-07-99 1:19a JALGP5.BIN
+JALGP6 BIN 524,288 02-07-99 1:23a JALGP6.BIN
+JALGP7 BIN 524,288 02-07-99 1:19a JALGP7.BIN
+JALGP8 BIN 524,288 02-07-99 1:22a JALGP8.BIN
+JALMR14 BIN 524,288 02-07-99 1:17a JALMR14.BIN
+JALCF1 BIN 1,048,576 02-07-99 1:11a JALCF1.BIN
+
+
+*******************************************************************************************/
+
+#include "driver.h"
+#include "sound/okim6295.h"
+
+static tilemap *tx_tilemap,*bg_tilemap;
+static UINT16 *ac_txvram,*ac_bgvram;
+static UINT16 *ac_vregs;
+
+static TILEMAP_MAPPER( bg_scan )
+{
+ /* logical (col,row) -> memory offset */
+ return (row & 0x0f) + ((col & 0xff) << 4) + ((row & 0x70) << 8);
+}
+
+static TILE_GET_INFO( ac_get_bg_tile_info )
+{
+ int code = ac_bgvram[tile_index];
+ SET_TILE_INFO(
+ 1,
+ code & 0xfff,
+ (code & 0xf000) >> 12,
+ 0);
+}
+
+static TILE_GET_INFO( ac_get_tx_tile_info )
+{
+ int code = ac_txvram[tile_index];
+ SET_TILE_INFO(
+ 0,
+ code & 0xfff,
+ (code & 0xf000) >> 12,
+ 0);
+}
+
+static void draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect, int priority, int pri_mask)
+{
+ int offs;
+
+ for (offs = 0;offs < spriteram_size/2;offs += 8)
+ {
+ if (!(spriteram16[offs+0] & 0x1000))
+ {
+ int sx = (spriteram16[offs+3] & 0x0ff);
+ int code = spriteram16[offs+6];
+ int color = spriteram16[offs+7];
+ int w = (spriteram16[offs+0] & 0x0f);
+ int h = ((spriteram16[offs+0] & 0xf0) >> 4);
+ /*Unlike NMK16,the given Y offset is where the sprite must end instead
+ of where it starts.*/
+ int sy = (spriteram16[offs+4] & 0x0ff) - ((h+1)*0x10);
+/**/ int pri = spriteram16[offs+5];
+/**/ int flipy = ((spriteram16[offs+1] & 0x0200) >> 9);
+/**/ int flipx = ((spriteram16[offs+1] & 0x0100) >> 8);
+
+ int xx,yy,x;
+ int delta = 16;
+
+ flipx ^= flip_screen;
+ flipy ^= flip_screen;
+
+ if ((pri&pri_mask)!=priority) continue;
+
+ if (flip_screen)
+ {
+ sx = 368 - sx;
+ sy = 240 - sy;
+ delta = -16;
+ }
+
+ yy = h;
+ do
+ {
+ x = sx;
+ xx = w;
+ do
+ {
+ drawgfx(bitmap,machine->gfx[2],
+ code,
+ color,
+ flipx, flipy,
+ ((x + 16) & 0x1ff) - 16,sy & 0x1ff,
+ cliprect,TRANSPARENCY_PEN,15);
+
+ code++;
+ x += delta;
+ } while (--xx >= 0);
+
+ sy += delta;
+ } while (--yy >= 0);
+ }
+ }
+}
+
+
+static VIDEO_START( acommand )
+{
+ tx_tilemap = tilemap_create(ac_get_tx_tile_info,tilemap_scan_cols,TILEMAP_TYPE_PEN,8,8,512,32);
+ bg_tilemap = tilemap_create(ac_get_bg_tile_info,bg_scan,TILEMAP_TYPE_PEN,16,16,256,16);
+
+ ac_vregs = auto_malloc(0x80);
+
+ tilemap_set_transparent_pen(tx_tilemap,15);
+}
+
+
+/*copied from drivers/gticlub.c,to be completed*/
+#define LED_ON 0x01c00
+#define SHOW_LEDS 0
+
+#if SHOW_LEDS
+static void draw_led(mame_bitmap *bitmap, int x, int y,UINT8 value)
+{
+ plot_box(bitmap, x, y, 5, 9, 0x00000000);
+
+ /* Top */
+ if( (value & 0x40) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+0, x+1) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+0, x+2) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+0, x+3) = LED_ON;
+ }
+ /* Middle */
+ if( (value & 0x01) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+4, x+1) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+4, x+2) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+4, x+3) = LED_ON;
+ }
+ /* Bottom */
+ if( (value & 0x08) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+8, x+1) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+8, x+2) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+8, x+3) = LED_ON;
+ }
+ /* Top Left */
+ if( (value & 0x02) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+1, x+0) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+2, x+0) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+3, x+0) = LED_ON;
+ }
+ /* Top Right */
+ if( (value & 0x20) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+1, x+4) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+2, x+4) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+3, x+4) = LED_ON;
+ }
+ /* Bottom Left */
+ if( (value & 0x04) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+5, x+0) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+6, x+0) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+7, x+0) = LED_ON;
+ }
+ /* Bottom Right */
+ if( (value & 0x10) == 0 ) {
+ *BITMAP_ADDR16(bitmap, y+5, x+4) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+6, x+4) = LED_ON;
+ *BITMAP_ADDR16(bitmap, y+7, x+4) = LED_ON;
+ }
+}
+#endif
+static UINT16 led0;
+
+static VIDEO_UPDATE( acommand )
+{
+ tilemap_draw(bitmap,cliprect,bg_tilemap,0,0);
+ draw_sprites(machine,bitmap,cliprect,0,0);
+ tilemap_draw(bitmap,cliprect,tx_tilemap,0,0);
+
+ #if SHOW_LEDS
+ draw_led(bitmap, 3, 53, (led0 & 0xff00) >> 8);
+ popmessage("%04x",led0);
+ #endif
+ return 0;
+}
+
+
+static WRITE16_HANDLER( ac_bgvram_w )
+{
+ COMBINE_DATA(&ac_bgvram[offset]);
+ tilemap_mark_tile_dirty(bg_tilemap,offset);
+}
+
+static WRITE16_HANDLER( ac_txvram_w )
+{
+ COMBINE_DATA(&ac_txvram[offset]);
+ tilemap_mark_tile_dirty(tx_tilemap,offset);
+}
+
+static WRITE16_HANDLER(ac_bgscroll_w)
+{
+ switch(offset)
+ {
+ case 0: tilemap_set_scrollx(bg_tilemap,0,data); break;
+ case 1: tilemap_set_scrolly(bg_tilemap,0,data); break;
+ case 2: /*BG_TILEMAP priority?*/ break;
+ }
+}
+
+static WRITE16_HANDLER(ac_txscroll_w)
+{
+ switch(offset)
+ {
+ case 0: tilemap_set_scrollx(tx_tilemap,0,data); break;
+ case 1: tilemap_set_scrolly(tx_tilemap,0,data); break;
+ case 2: /*TX_TILEMAP priority?*/ break;
+ }
+}
+
+/******************************************************************************************/
+
+static UINT16 *ac_devram;
+
+
+static READ16_HANDLER(ac_devices_r)
+{
+// popmessage("(PC=%06x) read at %04x",activecpu_get_pc(),offset*2);
+ switch(offset)
+ {
+ case 0x0008/2:
+ /*
+ --x- ---- ---- ---- Ticket Dispenser - 2
+ ---x ---- ---- ---- Ticket Dispenser - 1
+ ---- -x-- ---- ---- Right Gun HIT
+ ---- ---x ---- ---- Left Gun HIT
+ ---- ---- --x- ---- Service Mode (Toggle)
+ ---- ---- ---x ---- Service Coin
+ ---- ---- ---- x--- COIN2
+ ---- ---- ---- -x-- COIN1
+ ---- ---- ---- --x- (Activate Test)
+ ---- ---- ---- ---x (Advance Thru Tests)
+ */
+ return input_port_0_word_r(0,0);
+ case 0x0014/2:
+ /*
+ write 0x40,read (~0x08)
+ write 0x08,read (~0x01)
+
+ ---- ---- ---- ---x Boss Door - limit switch
+ */
+ return (ac_devram[offset]);
+ case 0x0016/2:
+ return OKIM6295_status_0_r(0);
+ case 0x0018/2:
+ /*
+ ---- ---- ---- x--- Astronaut - switch
+ */
+ return ac_devram[offset];
+ case 0x001a/2:
+ return OKIM6295_status_1_r(0);
+ case 0x0040/2:
+ /*
+ x-x- x-x- x-x- xx-- (ACTIVE HIGH?) [eori #$aaac, D0]
+ ---- ---- ---- --xx Boss Door - Motor
+ */
+ return ac_devram[offset];
+ case 0x0044/2:
+ /*
+ xxxx xxxx x-x- x-x- (ACTIVE HIGH?) [eori #$ffaa, D0]
+ */
+ return ac_devram[offset];
+ case 0x005c/2:
+ /*
+ xxxx xxxx ---- ---- DIPSW4
+ ---- ---- xxxx xxxx DIPSW3
+ */
+ return input_port_1_word_r(0,0);
+ }
+ return ac_devram[offset];
+}
+
+static WRITE16_HANDLER(ac_devices_w)
+{
+ COMBINE_DATA(&ac_devram[offset]);
+ switch(offset)
+ {
+ case 0x16/2:
+ if(ACCESSING_LSB)
+ {
+ logerror("Request to play sample %02x with rom 2\n",data);
+ OKIM6295_data_0_w(0,data);
+ }
+ break;
+ case 0x1a/2:
+ if(ACCESSING_LSB)
+ {
+ logerror("Request to play sample %02x with rom 1\n",data);
+ OKIM6295_data_1_w(0,data);
+ }
+ break;
+ case 0x1c/2:
+ /*IRQ mask?*/
+ break;
+ case 0x40/2:
+ break;
+ case 0x44/2:
+ break;
+ case 0x48/2:
+ led0 = ac_devram[offset];
+ break;
+ }
+ logerror("%04x %04x\n",offset*2,data);
+}
+
+/*This is always zero ATM*/
+static WRITE16_HANDLER(ac_unk2_w)
+{
+ if(data)
+ popmessage("UNK-2 enabled %04x",data);
+}
+
+static ADDRESS_MAP_START( acommand, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x03ffff) AM_ROM
+ AM_RANGE(0x082000, 0x082005) AM_WRITE(ac_bgscroll_w)
+ AM_RANGE(0x082100, 0x082105) AM_WRITE(ac_txscroll_w)
+ AM_RANGE(0x082208, 0x082209) AM_WRITE(ac_unk2_w)
+ AM_RANGE(0x0a0000, 0x0a3fff) AM_READWRITE(MRA16_RAM, ac_bgvram_w) AM_BASE(&ac_bgvram)
+ AM_RANGE(0x0b0000, 0x0b3fff) AM_READWRITE(MRA16_RAM, ac_txvram_w) AM_BASE(&ac_txvram)
+ AM_RANGE(0x0b8000, 0x0bffff) AM_READWRITE(MRA16_RAM, paletteram16_RRRRGGGGBBBBRGBx_word_w) AM_BASE(&paletteram16)
+ AM_RANGE(0x0f0000, 0x0f7fff) AM_RAM
+ AM_RANGE(0x0f8000, 0x0f8fff) AM_RAM AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
+ AM_RANGE(0x0f9000, 0x0fffff) AM_RAM
+ AM_RANGE(0x100000, 0x1000ff) AM_READ(ac_devices_r) AM_WRITE(ac_devices_w) AM_BASE(&ac_devram)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( acommand )
+ PORT_START
+ PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0001, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0002, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0004, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0008, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0010, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0020, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0040, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0080, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0100, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0200, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0400, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0800, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x1000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x2000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x4000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x8000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+
+ PORT_START
+ PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0001, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0002, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0004, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0008, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0010, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0020, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0040, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0080, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0100, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0200, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0400, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x0800, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x1000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x2000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x4000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x8000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+INPUT_PORTS_END
+
+static const gfx_layout charlayout =
+{
+ 8,8,
+ RGN_FRAC(1,1),
+ 4,
+ { 0, 1, 2, 3 },
+ { 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8
+};
+
+static const gfx_layout tilelayout =
+{
+ 16,16,
+ RGN_FRAC(1,1),
+ 4,
+ { 0, 1, 2, 3 },
+ { 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4,
+ 16*32+0*4, 16*32+1*4, 16*32+2*4, 16*32+3*4, 16*32+4*4, 16*32+5*4, 16*32+6*4, 16*32+7*4 },
+ { 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( acommand )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0x2700, 16 ) /*???*/
+ GFXDECODE_ENTRY( REGION_GFX2, 0, tilelayout, 0x1800, 256 )
+ GFXDECODE_ENTRY( REGION_GFX3, 0, tilelayout, 0x1800, 256 )
+GFXDECODE_END
+
+static INTERRUPT_GEN( acommand_irq )
+{
+ if (cpu_getiloops() == 0)
+ cpunum_set_input_line(0, 2, HOLD_LINE);
+ else if (cpu_getiloops() == 1)
+ cpunum_set_input_line(0, 3, HOLD_LINE);
+}
+
+static MACHINE_DRIVER_START( acommand )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000,12000000)
+ MDRV_CPU_PROGRAM_MAP(acommand,0)
+ MDRV_CPU_VBLANK_INT(acommand_irq,2)
+
+ 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(acommand)
+ MDRV_PALETTE_LENGTH(0x4000)
+
+ MDRV_VIDEO_START(acommand)
+ MDRV_VIDEO_UPDATE(acommand)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(OKIM6295, 2400000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7low)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ MDRV_SOUND_ADD(OKIM6295, 2400000)
+ MDRV_SOUND_CONFIG(okim6295_interface_region_2_pin7low)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( acommand )
+ ROM_REGION( 0x040000, REGION_CPU1, 0 )
+ ROM_LOAD16_BYTE( "jalcf3.bin", 0x000000, 0x020000, CRC(f031abf7) SHA1(e381742fd6a6df4ddae42ddb3a074a55dc550b3c) )
+ ROM_LOAD16_BYTE( "jalcf4.bin", 0x000001, 0x020000, CRC(dd0c0540) SHA1(3e788fcb30ae725bd0ec9b57424e3946db1e946f) )
+
+ ROM_REGION( 0x20000, REGION_GFX1, 0 ) /* BG0 */
+ ROM_LOAD( "jalcf6.bin", 0x000000, 0x020000, CRC(442173d6) SHA1(56c02bc2761967040127977ecabe844fc45e2218) )
+
+ ROM_REGION( 0x080000, REGION_GFX2, 0 ) /* BG1 */
+ ROM_LOAD( "jalcf5.bin", 0x000000, 0x080000, CRC(ff0be97f) SHA1(5ccab778318dec30849d7b7f25091d4aab8bde32) )
+
+ ROM_REGION( 0x400000, REGION_GFX3, 0 ) /* SPR */
+ ROM_LOAD16_BYTE( "jalgp1.bin", 0x000000, 0x080000, CRC(c4aeeae2) SHA1(ee0d3dd93a604f8e1a96b55c4a1cd001d49f1157) )
+ ROM_LOAD16_BYTE( "jalgp2.bin", 0x000001, 0x080000, CRC(f0e4e80e) SHA1(08252ef8b5e309cce2d4654410142f4ae9e3ef22) )
+ ROM_LOAD16_BYTE( "jalgp3.bin", 0x100000, 0x080000, CRC(7acebd83) SHA1(64be95186d62003b637fcdf45a9c0b7aab182116) )
+ ROM_LOAD16_BYTE( "jalgp4.bin", 0x100001, 0x080000, CRC(6a6b72f3) SHA1(3ba359b1a89eb3f6664ed83d93f79d7f895d4222) )
+ ROM_LOAD16_BYTE( "jalgp5.bin", 0x200000, 0x080000, CRC(65ab751d) SHA1(f2cb8701eb8c3567a1d03248e6918c5a7b5df939) )
+ ROM_LOAD16_BYTE( "jalgp6.bin", 0x200001, 0x080000, CRC(24e3ab23) SHA1(d1431688e1518ba52935f6ab44b815975bec4c27) )
+ ROM_LOAD16_BYTE( "jalgp7.bin", 0x300000, 0x080000, CRC(44b71098) SHA1(a6ec2573f9a266d4f8f315f6e99b12525011f512) )
+ ROM_LOAD16_BYTE( "jalgp8.bin", 0x300001, 0x080000, CRC(ce0b7838) SHA1(46e34971cb62565a3948d8c0a18086648c32e13b) )
+
+ ROM_REGION( 0x100000, REGION_SOUND2, 0 )
+ ROM_LOAD( "jalcf1.bin", 0x000000, 0x100000, CRC(24af21d3) SHA1(f68ab81a6c833b57ae9eef916a1c8578f3d893dd) )
+
+ ROM_REGION( 0x100000, REGION_SOUND1, 0 )
+ ROM_LOAD( "jalcf2.bin", 0x000000, 0x100000, CRC(b982fd97) SHA1(35ee5b1b9be762ccfefda24d73e329ceea876deb) )
+
+ ROM_REGION( 0x100000, REGION_USER1, 0 ) /* ? these two below are identical*/
+ ROM_LOAD( "jalmr14.bin", 0x000000, 0x080000, CRC(9d428fb7) SHA1(02f72938d73db932bd217620a175a05215f6016a) )
+ ROM_LOAD( "jalmr17.bin", 0x080000, 0x080000, CRC(9d428fb7) SHA1(02f72938d73db932bd217620a175a05215f6016a) )
+ROM_END
+
+GAME( 1990, acommand, 0, acommand, acommand, 0, ROT0, "Jaleco", "Alien Command" , GAME_IMPERFECT_SOUND | GAME_NOT_WORKING )