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Diffstat (limited to 'src/mame/drivers/xorworld.cpp')
-rw-r--r--src/mame/drivers/xorworld.cpp243
1 files changed, 243 insertions, 0 deletions
diff --git a/src/mame/drivers/xorworld.cpp b/src/mame/drivers/xorworld.cpp
new file mode 100644
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+++ b/src/mame/drivers/xorworld.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Manuel Abadia
+/***************************************************************************
+
+XOR WORLD (c) 1990 Gaelco
+
+Driver by Manuel Abadia <emumanu+mame@gmail.com>
+
+Memory Map:
+-----------
+0x000000-0x01ffff ROM
+0x200000-0x200001 Input #1
+0x400000-0x400001 Input #2
+0x600000-0x600001 DIPSW #1 + EEPROM read
+0x800000-0x800001 Philips SAA1099P write register
+0x800002-0x800003 Philips SAA1099P control register
+0xa00008-0xa0000d EEPROM write/ctrl
+0xffc000-0xffc7ff Screen (8x8 tiles 32x32 (256x256))
+0xffc800-0xffc87f Sprite RAM
+0xffc800-0xffc801 INT 2 ACK\Watchdog timer
+0xffc802-0xffc803 INT 6 ACK/Watchdog timer
+0xffc884-0xffffff Work RAM
+
+Interrupts:
+ Level 2 INT updates the timer
+ Level 6 INT is vblank
+
+EEPROM chip: 93C46
+
+***************************************************************************/
+
+#include "emu.h"
+#include "machine/eepromser.h"
+#include "cpu/m68000/m68000.h"
+#include "sound/saa1099.h"
+#include "includes/xorworld.h"
+
+
+/****************************************************************
+ Init machine
+****************************************************************/
+
+
+
+/****************************************************************
+ EEPROM read/write/control
+****************************************************************/
+
+WRITE16_MEMBER(xorworld_state::eeprom_chip_select_w)
+{
+ /* bit 0 is CS (active low) */
+ m_eeprom->cs_write((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
+}
+
+WRITE16_MEMBER(xorworld_state::eeprom_serial_clock_w)
+{
+ /* bit 0 is SK (active high) */
+ m_eeprom->clk_write((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
+}
+
+WRITE16_MEMBER(xorworld_state::eeprom_data_w)
+{
+ /* bit 0 is EEPROM data (DIN) */
+ m_eeprom->di_write(data & 0x01);
+}
+
+WRITE16_MEMBER(xorworld_state::irq2_ack_w)
+{
+ m_maincpu->set_input_line(2, CLEAR_LINE);
+}
+
+WRITE16_MEMBER(xorworld_state::irq6_ack_w)
+{
+ m_maincpu->set_input_line(6, CLEAR_LINE);
+}
+
+static ADDRESS_MAP_START( xorworld_map, AS_PROGRAM, 16, xorworld_state )
+ AM_RANGE(0x000000, 0x01ffff) AM_ROM
+ AM_RANGE(0x200000, 0x200001) AM_READ_PORT("P1")
+ AM_RANGE(0x400000, 0x400001) AM_READ_PORT("P2")
+ AM_RANGE(0x600000, 0x600001) AM_READ_PORT("DSW")
+ AM_RANGE(0x800000, 0x800001) AM_DEVWRITE8("saa", saa1099_device, data_w, 0x00ff)
+ AM_RANGE(0x800002, 0x800003) AM_DEVWRITE8("saa", saa1099_device, control_w, 0x00ff)
+ AM_RANGE(0xa00008, 0xa00009) AM_WRITE(eeprom_chip_select_w)
+ AM_RANGE(0xa0000a, 0xa0000b) AM_WRITE(eeprom_serial_clock_w)
+ AM_RANGE(0xa0000c, 0xa0000d) AM_WRITE(eeprom_data_w)
+ AM_RANGE(0xffc000, 0xffc7ff) AM_RAM_WRITE(videoram_w) AM_SHARE("videoram")
+ AM_RANGE(0xffc800, 0xffc87f) AM_RAM AM_SHARE("spriteram")
+ AM_RANGE(0xffc880, 0xffc881) AM_WRITE(irq2_ack_w)
+ AM_RANGE(0xffc882, 0xffc883) AM_WRITE(irq6_ack_w)
+ AM_RANGE(0xffc884, 0xffffff) AM_RAM
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( xorworld )
+ PORT_START("DSW")
+ PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coinage ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 2C_2C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x08, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, do_read) /* used for accessing the NVRAM */
+ PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START("P1")
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) // xor
+ PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) // rotate
+ PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_COIN2 )
+
+ PORT_START("P2")
+ 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_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) 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_START1 )
+ PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 )
+INPUT_PORTS_END
+
+
+static const gfx_layout tilelayout =
+{
+ 8,8, /* 8x8 tiles */
+ 0x10000/16, /* 4096 tiles */
+ 4, /* 4 bpp */
+ { 1*0x10000*8, 1*0x10000*8+4, 0, 4 }, /* plane offsets */
+ { 0*8, 0*8+1, 0*8+2, 0*8+3, 1*8+0, 1*8+1, 1*8+2, 1*8+3 },
+ { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
+ 16*8
+};
+
+static const gfx_layout spritelayout =
+{
+ 16,16, /* 16x16 sprites */
+ 0x10000/64, /* 1024 sprites */
+ 4, /* 4 bpp */
+ { 1*0x10000*8, 1*0x10000*8+4, 0, 4 }, /* plane offsets */
+ { 0*8, 0*8+1, 0*8+2, 0*8+3, 1*8+0, 1*8+1, 1*8+2, 1*8+3,
+ 32*8+0, 32*8+1, 32*8+2, 32*8+3, 33*8+0, 33*8+1, 33*8+2, 33*8+3},
+ { 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 },
+ 64*8
+};
+
+
+static GFXDECODE_START( xorworld )
+ GFXDECODE_ENTRY( "gfx1", 0x000000, tilelayout, 0, 64 )
+ GFXDECODE_ENTRY( "gfx1", 0x000000, spritelayout, 0, 64 )
+GFXDECODE_END
+
+
+static MACHINE_CONFIG_START( xorworld, xorworld_state )
+ // basic machine hardware
+ MCFG_CPU_ADD("maincpu", M68000, 10000000) // 10 MHz
+ MCFG_CPU_PROGRAM_MAP(xorworld_map)
+ //MCFG_CPU_VBLANK_INT_DRIVER("screen", xorworld_state, irq6_line_assert) // irq 4 or 6
+ //MCFG_CPU_PERIODIC_INT_DRIVER(xorworld_state, irq2_line_assert, 3*60) //timed irq, unknown timing
+ // Simple fix - but this sounds good!! -Valley Bell
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", xorworld_state, irq2_line_assert) // irq 4 or 6
+ MCFG_CPU_PERIODIC_INT_DRIVER(xorworld_state, irq6_line_assert, 3*60) //timed irq, unknown timing
+
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
+
+ // video hardware
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_SIZE(32*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
+ MCFG_SCREEN_UPDATE_DRIVER(xorworld_state, screen_update)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", xorworld)
+ MCFG_PALETTE_ADD("palette", 256)
+ MCFG_PALETTE_INIT_OWNER(xorworld_state, xorworld)
+
+
+ // sound hardware
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SAA1099_ADD("saa", 8000000 /* guess */)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+ROM_START( xorworld )
+ ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "c13.bin", 0x000000, 0x010000, CRC(615a864d) SHA1(db07eef19d26a4daa0bcc17ac24d237483f93bf6) )
+ ROM_LOAD16_BYTE( "b13.bin", 0x000001, 0x010000, CRC(632e8ee5) SHA1(ec53e632c762f72ad1fe3fab85111bdcc1e818ae) )
+
+ ROM_REGION( 0x020000, "gfx1", 0 )
+ ROM_LOAD( "d9.bin", 0x000000, 0x010000, CRC(da8d4d65) SHA1(41bcc15f26066bd820b44c0f258e70d0102953c9) )
+ ROM_LOAD( "d10.bin", 0x010000, 0x010000, CRC(3b1d6f24) SHA1(bedf60a4cbf20492b8a846b6a7b578f8fe8dbde9) )
+
+ ROM_REGION( 0x0300, "proms", 0 )
+ ROM_LOAD( "b4.bin", 0x0000, 0x0100, CRC(75e468af) SHA1(b5fd1a086c27ca2e837cbbf1b7e57dfdd369b0d0) ) /* Red palette ROM (4 bits) */
+ ROM_LOAD( "b7.bin", 0x0100, 0x0100, CRC(7e1cd146) SHA1(fd26a28f90c50ffcb0fe7718820c81eb9fe79e66) ) /* Green palette ROM (4 bits) */
+ ROM_LOAD( "b5.bin", 0x0200, 0x0100, CRC(c1b9d9f9) SHA1(c4b02bf60db449fb308a5eb3e41c43299ad8e3e3) ) /* Blue palette ROM (4 bits) */
+ROM_END
+
+
+#define PATCH(data) *rom = data; rom++
+
+DRIVER_INIT_MEMBER(xorworld_state,xorworld)
+{
+ /* patch some strange protection (without this, strange characters appear
+ after level 5 and some pieces don't rotate properly some times) */
+
+ UINT16 *rom = (UINT16 *)(memregion("maincpu")->base() + 0x1390);
+
+ PATCH(0x4239); PATCH(0x00ff); PATCH(0xe196); /* clr.b $ffe196 */
+ PATCH(0x4239); PATCH(0x00ff); PATCH(0xe197); /* clr.b $ffe197 */
+ PATCH(0x4239); PATCH(0x00ff); PATCH(0xe0bc); /* clr.b $ffe0bc */
+ PATCH(0x41f9); PATCH(0x00ff); PATCH(0xcfce); /* lea $ffcfce,A0 */
+ PATCH(0x3e3c); PATCH(0x000f); /* move #$f,D7 */
+ PATCH(0x4218); /* clr.b (A0)+ */
+ PATCH(0x51cf); PATCH(0xfffc); /* dbra D7,$13ac */
+ PATCH(0x4e75); /* rts */
+
+ PATCH(0x31ff); /* adjust checksum */
+}
+
+
+GAME( 1990, xorworld, 0, xorworld, xorworld, xorworld_state, xorworld, ROT0, "Gaelco", "Xor World (prototype)", MACHINE_SUPPORTS_SAVE )