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Diffstat (limited to 'src/mame/drivers/galaxia.c')
-rw-r--r--src/mame/drivers/galaxia.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/mame/drivers/galaxia.c b/src/mame/drivers/galaxia.c
new file mode 100644
index 00000000000..d79f9787477
--- /dev/null
+++ b/src/mame/drivers/galaxia.c
@@ -0,0 +1,190 @@
+/* Galxaia */
+
+/*
+
+Galaxia by Zaccaria (1980)
+
+Taken from an untested board.
+
+1K byte files were 2708 or equivalent.
+512 byte file is the 82S130 colour PROM.
+
+This is not a direct pirate of Galaxians as you might think from the name.
+The game uses a Signetics 2650A CPU with three 40-pin 2636 chips. I have
+no idea what 2636's are but I am hoping they are something to do with the
+sound since the board has no apparent sound circuitry. The video hardware
+looks like it's similar to Galaxians (2 x 2114, 2 x 2101, 2 x EPROM) but
+there is no attack RAM and the graphics EPROMS are 2708. The graphics EPROMS
+do contain Galaxian-like graphics...
+
+---
+
+rom mapping is still wrong, correct this before anything else
+
+*/
+
+#include "driver.h"
+
+static UINT8 *galaxia_video;
+
+static VIDEO_START( galaxia )
+{
+}
+
+static VIDEO_UPDATE( galaxia )
+{
+ int x,y, count;
+
+ fillbitmap(bitmap,machine->pens[0],cliprect);
+ count = 0;
+
+ for (y=0;y<256/8;y++)
+ {
+ for (x=0;x<256/8;x++)
+ {
+ int tile = galaxia_video[count];
+ drawgfx(bitmap,machine->gfx[0],tile,0,0,0,x*8,y*8,cliprect,TRANSPARENCY_NONE,0);
+ count++;
+ }
+
+ }
+
+
+
+ return 0;
+}
+
+static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x13ff) AM_READ(MRA8_ROM)
+ AM_RANGE(0x1400, 0x1fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x5000, 0x6fff) AM_READ(MRA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x13ff) AM_WRITE(MWA8_ROM)
+ AM_RANGE(0x1400, 0x14ff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1500, 0x15ff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1600, 0x16ff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1700, 0x17ff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1800, 0x18ff) AM_WRITE(MWA8_RAM) AM_BASE(&galaxia_video)
+ AM_RANGE(0x1900, 0x19ff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1a00, 0x1aff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1b00, 0x1bff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1c00, 0x1cff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1d00, 0x1dff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1e00, 0x1eff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1f00, 0x1fff) AM_WRITE(MWA8_RAM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x02, 0x02) AM_READ(input_port_0_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( writeport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( galaxia )
+ PORT_START /* */
+
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unused ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+static const gfx_layout tiles8x8_layout =
+{
+ 8,8,
+ RGN_FRAC(1,2),
+ 2,
+ { RGN_FRAC(0,2), RGN_FRAC(1,2) },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8
+};
+
+static GFXDECODE_START( galaxia )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, tiles8x8_layout, 0, 16 )
+GFXDECODE_END
+
+
+
+
+
+static MACHINE_DRIVER_START( galaxia )
+ /* basic machine hardware */
+ MDRV_CPU_ADD(S2650,2000000) /* ? MHz */
+ MDRV_CPU_PROGRAM_MAP(readmem,writemem)
+ MDRV_CPU_IO_MAP(readport,writeport)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+// MDRV_CPU_VBLANK_INT(nmi_line_pulse,1)
+
+ 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(256, 256)
+ MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
+ MDRV_GFXDECODE(galaxia)
+ MDRV_PALETTE_LENGTH(0x100)
+
+ MDRV_VIDEO_START(galaxia)
+ MDRV_VIDEO_UPDATE(galaxia)
+MACHINE_DRIVER_END
+
+
+ROM_START( galaxia )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "08h.bin", 0x00000, 0x0400, CRC(f3b4ffde) SHA1(15b004e7821bfc145158b1e9435f061c524f6b86) )
+ ROM_LOAD( "10h.bin", 0x00400, 0x0400, CRC(6d07fdd4) SHA1(d7d4b345a055275d59951788569db370bccd5195) )
+ ROM_LOAD( "08i.bin", 0x00800, 0x0400, CRC(45b88599) SHA1(3b79c21db1aa9d80fac81ac5a554e438805febd1) )
+ ROM_LOAD( "10i.bin", 0x00c00, 0x0400, CRC(c0baa654) SHA1(80e0880c32ad285fbce0f7f552268b964b97cab3) )
+
+ ROM_LOAD( "11h.bin", 0x05000, 0x0400, CRC(1520eb3d) SHA1(3683174da701e1124af0f9c2ee4a9a84f3fea33a) )
+ ROM_LOAD( "13h.bin", 0x05400, 0x0400, CRC(c4482770) SHA1(aee983cc3d80989f49aea4138961bb623039484a) )
+ ROM_LOAD( "11i.bin", 0x05800, 0x0400, CRC(4456808a) SHA1(f9e8cfdde0e17f13f1be297b2b4503ccc959b33c) )
+ ROM_LOAD( "13i.bin", 0x05c00, 0x0400, CRC(cf653b9a) SHA1(fef5943de60cb5ba2459fc6ae7419e29c96a76cd) )
+ ROM_LOAD( "11l.bin", 0x06000, 0x0400, CRC(50c6a645) SHA1(46638907bc393df6be25fc7461d73047d1746ffc) )
+ ROM_LOAD( "13l.bin", 0x06400, 0x0400, CRC(3a9c38c7) SHA1(d1e934092b69c0f3f9636eba05a1d8a6d9588e6b) )
+
+ ROM_REGION( 0x0800, REGION_GFX1, 0 )
+ ROM_LOAD( "01d.bin", 0x00000, 0x0400, CRC(2dd50aab) SHA1(758d7a5383c9a1ee134d99e3f7025819cfbe0e0f) )
+ ROM_LOAD( "03d.bin", 0x00400, 0x0400, CRC(1dc30185) SHA1(e3c75eecb80b376ece98f602e1b9587487841824) )
+
+ ROM_REGION( 0x80000, REGION_PROMS, 0 )
+ ROM_LOAD( "11o", 0x00000, 0x0200, CRC(ae816417) SHA1(9497857d13c943a2735c3b85798199054e613b2c) )
+ROM_END
+
+GAME( 1979, galaxia, 0, galaxia, galaxia, 0, ROT90, "Zaccaria", "Galaxia", GAME_NOT_WORKING|GAME_NO_SOUND )