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author Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
commit7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch)
treef310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/mame/drivers/liberatr.cpp
parenta57b46ae933badd7441ce1644711dbb851e2b504 (diff)
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/mame/drivers/liberatr.cpp')
-rw-r--r--src/mame/drivers/liberatr.cpp483
1 files changed, 483 insertions, 0 deletions
diff --git a/src/mame/drivers/liberatr.cpp b/src/mame/drivers/liberatr.cpp
new file mode 100644
index 00000000000..f0f77750814
--- /dev/null
+++ b/src/mame/drivers/liberatr.cpp
@@ -0,0 +1,483 @@
+// license:???
+// copyright-holders:Stefan Jokisch
+/***************************************************************************
+
+ Atari Liberator hardware
+
+ Games supported:
+ * Liberator
+
+ Known bugs:
+ * none at this time
+
+****************************************************************************
+
+ Liberator Memory Map (for the main set, the other one is rearranged)
+ (from the schematics/manual)
+
+ HEX R/W D7 D6 D5 D4 D3 D2 D2 D0 function
+ ---------+-----+------------------------+------------------------
+ 0000 D D D D D D D D XCOORD
+ 0001 D D D D D D D D YCOORD
+ 0002 D D D BIT MODE DATA
+ ---------+-----+------------------------+------------------------
+ 0003-033F D D D D D D D D Working RAM
+ 0340-3D3F D D D D D D D D Screen RAM
+ 3D40-3FFF D D D D D D D D Working RAM
+ ---------+-----+------------------------+------------------------
+ 4000-403F R D D D D D D D D EARD* read from non-volatile memory
+ ---------+-----+------------------------+------------------------
+ 5000 R D coin AUX (CTRLD* set low)
+ 5000 R D coin LEFT (CTRLD* set low)
+ 5000 R D coin RIGHT (CTRLD* set low)
+ 5000 R D SLAM (CTRLD* set low)
+ 5000 R D SPARE (CTRLD* set low)
+ 5000 R D SPARE (CTRLD* set low)
+ 5000 R D COCKTAIL (CTRLD* set low)
+ 5000 R D SELF-TEST (CTRLD* set low)
+ 5000 R D D D D HDIR (CTRLD* set high)
+ 5000 R D D D D VDIR (CTRLD* set high)
+ ---------+-----+------------------------+------------------------
+ 5001 R D SHIELD 2
+ 5001 R D SHIELD 1
+ 5001 R D FIRE 2
+ 5001 R D FIRE 1
+ 5001 R D SPARE (CTRLD* set low)
+ 5001 R D START 2
+ 5001 R D START 1
+ 5001 R D VBLANK
+ ---------+-----+------------------------+------------------------
+ 6000-600F W D D D D base_ram*
+ 6200-621F W D D D D D D D D COLORAM*
+ 6400 W INTACK*
+ 6600 W D D D D EARCON
+ 6800 W D D D D D D D D STARTLG (planet frame)
+ 6A00 W WDOG*
+ ---------+-----+------------------------+------------------------
+ 6C00 W D START LED 1
+ 6C01 W D START LED 2
+ 6C02 W D TBSWP*
+ 6C03 W D SPARE
+ 6C04 W D CTRLD*
+ 6C05 W D COINCNTRR
+ 6C06 W D COINCNTRL
+ 6C07 W D PLANET
+ ---------+-----+------------------------+------------------------
+ 6E00-6E3F W D D D D D D D D EARWR*
+ 7000-701F D D D D D D D D IOS2* (Pokey 2)
+ 7800-781F D D D D D D D D IOS1* (Pokey 1)
+ 8000-EFFF R D D D D D D D D ROM
+ -----------------------------------------------------------------
+
+
+ Dip switches at D4 on the PCB for play options: (IN2)
+
+ LSB D1 D2 D3 D4 D5 D6 MSB
+ SW8 SW7 SW6 SW5 SW4 SW3 SW2 SW1 Option
+ -------------------------------------------------------------------------------------
+ Off Off 4 ships per game <-
+ On Off 5 ships per game
+ Off On 6 ships per game
+ On On 8 ships per game
+ -------------------------------------------------------------------------------------
+ Off Off Bonus ship every 15000 points
+ On Off Bonus ship every 20000 points <-
+ Off On Bonus ship every 25000 points
+ On On Bonus ship every 30000 points
+ -------------------------------------------------------------------------------------
+ On Off Easy game play
+ Off Off Normal game play <-
+ Off On Hard game play
+ -------------------------------------------------------------------------------------
+ X X Not used
+ -------------------------------------------------------------------------------------
+
+
+ Dip switches at A4 on the PCB for price options: (IN3)
+
+ LSB D1 D2 D3 D4 D5 D6 MSB
+ SW8 SW7 SW6 SW5 SW4 SW3 SW2 SW1 Option
+ -------------------------------------------------------------------------------------
+ Off Off Free play
+ On Off 1 coin for 2 credits
+ Off On 1 coin for 1 credit <-
+ On On 2 coins for 1 credit
+ -------------------------------------------------------------------------------------
+ Off Off Right coin mech X 1 <-
+ On Off Right coin mech X 4
+ Off On Right coin mech X 5
+ On On Right coin mech X 6
+ -------------------------------------------------------------------------------------
+ Off Left coin mech X 1 <-
+ On Left coin mech X 2
+ -------------------------------------------------------------------------------------
+ Off Off Off No bonus coins <-
+ Off On Off For every 4 coins inserted, game logic
+ adds 1 more coin
+
+ On On Off For every 4 coins inserted, game logic
+ adds 2 more coin
+ Off Off On For every 5 coins inserted, game logic
+ adds 1 more coin
+ On Off On For every 3 coins inserted, game logic
+ adds 1 more coin
+ X On On No bonus coins
+ -------------------------------------------------------------------------------------
+ <- = Manufacturer's suggested settings
+
+
+ Note:
+ ----
+
+ The loop at $cf60 should count down from Y=0 instead of Y=0xff. Because of this the first
+ four leftmost pixels of each row are not cleared. This bug is masked by the visible area
+ covering up the offending pixels.
+
+******************************************************************************************/
+
+
+#include "emu.h"
+#include "includes/liberatr.h"
+
+#define MASTER_CLOCK 20000000 /* 20Mhz Main Clock Xtal */
+
+
+void liberatr_state::machine_start()
+{
+ atarigen_state::machine_start();
+
+ save_item(NAME(m_trackball_offset));
+ save_item(NAME(m_ctrld));
+ save_item(NAME(m_videoram));
+}
+
+
+
+/*************************************
+ *
+ * Output ports
+ *
+ *************************************/
+
+WRITE8_MEMBER( liberatr_state::led_w )
+{
+ set_led_status(machine(), offset, ~data & 0x10);
+}
+
+
+WRITE8_MEMBER( liberatr_state::coin_counter_w )
+{
+ ::coin_counter_w(machine(), offset ^ 0x01, data & 0x10);
+}
+
+
+
+/*************************************
+ *
+ * Input ports
+ *
+ *************************************/
+
+WRITE8_MEMBER( liberatr_state::trackball_reset_w )
+{
+ /* on the rising edge of /ctrld, the /ld signal on the LS191 is released and the value of the switches */
+ /* input becomes the starting point for the trackball counters */
+ if (((data ^ m_ctrld) & 0x10) && (data & 0x10))
+ {
+ UINT8 trackball = ioport("FAKE")->read();
+ UINT8 switches = ioport("IN0")->read();
+ m_trackball_offset = ((trackball & 0xf0) - (switches & 0xf0)) | ((trackball - switches) & 0x0f);
+ }
+ m_ctrld = data & 0x10;
+}
+
+
+READ8_MEMBER( liberatr_state::port0_r )
+{
+ /* if ctrld is high, the /ld signal on the LS191 is NOT set, meaning that the trackball is counting */
+ if (m_ctrld)
+ {
+ UINT8 trackball = ioport("FAKE")->read();
+ return ((trackball & 0xf0) - (m_trackball_offset & 0xf0)) | ((trackball - m_trackball_offset) & 0x0f);
+ }
+
+ /* otherwise, the LS191 is simply passing through the raw switch inputs */
+ else
+ return ioport("IN0")->read();
+}
+
+
+
+/*************************************
+ *
+ * Main CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( liberatr_map, AS_PROGRAM, 8, liberatr_state )
+ AM_RANGE(0x0000, 0x0000) AM_RAM AM_SHARE("xcoord")
+ AM_RANGE(0x0001, 0x0001) AM_RAM AM_SHARE("ycoord")
+ AM_RANGE(0x0002, 0x0002) AM_READWRITE(bitmap_xy_r, bitmap_xy_w)
+ AM_RANGE(0x0000, 0x3fff) AM_RAM_WRITE(bitmap_w) AM_SHARE("bitmapram") /* overlapping for my convenience */
+ AM_RANGE(0x4000, 0x403f) AM_READ(earom_r)
+ AM_RANGE(0x5000, 0x5000) AM_READ(port0_r)
+ AM_RANGE(0x5001, 0x5001) AM_READ_PORT("IN1")
+ AM_RANGE(0x6000, 0x600f) AM_WRITEONLY AM_SHARE("base_ram")
+ AM_RANGE(0x6200, 0x621f) AM_WRITEONLY AM_SHARE("colorram")
+ AM_RANGE(0x6400, 0x6400) AM_WRITENOP
+ AM_RANGE(0x6600, 0x6600) AM_WRITE(earom_control_w)
+ AM_RANGE(0x6800, 0x6800) AM_WRITEONLY AM_SHARE("planet_frame")
+ AM_RANGE(0x6a00, 0x6a00) AM_WRITE(watchdog_reset_w)
+ AM_RANGE(0x6c00, 0x6c01) AM_WRITE(led_w)
+ AM_RANGE(0x6c04, 0x6c04) AM_WRITE(trackball_reset_w)
+ AM_RANGE(0x6c05, 0x6c06) AM_WRITE(coin_counter_w)
+ AM_RANGE(0x6c07, 0x6c07) AM_WRITEONLY AM_SHARE("planet_select")
+ AM_RANGE(0x6e00, 0x6e3f) AM_WRITE(earom_w)
+ AM_RANGE(0x7000, 0x701f) AM_DEVREADWRITE("pokey2", pokey_device, read, write)
+ AM_RANGE(0x7800, 0x781f) AM_DEVREADWRITE("pokey1", pokey_device, read, write)
+ AM_RANGE(0x8000, 0xefff) AM_ROM
+ AM_RANGE(0xfffa, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Alternate main CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( liberat2_map, AS_PROGRAM, 8, liberatr_state )
+ AM_RANGE(0x0000, 0x0000) AM_RAM AM_SHARE("xcoord")
+ AM_RANGE(0x0001, 0x0001) AM_RAM AM_SHARE("ycoord")
+ AM_RANGE(0x0002, 0x0002) AM_READWRITE(bitmap_xy_r, bitmap_xy_w)
+ AM_RANGE(0x0000, 0x3fff) AM_RAM_WRITE(bitmap_w) AM_SHARE("bitmapram") /* overlapping for my convenience */
+ AM_RANGE(0x4000, 0x4000) AM_READ(port0_r)
+ AM_RANGE(0x4001, 0x4001) AM_READ_PORT("IN1")
+ AM_RANGE(0x4000, 0x400f) AM_WRITEONLY AM_SHARE("base_ram")
+ AM_RANGE(0x4200, 0x421f) AM_WRITEONLY AM_SHARE("colorram")
+ AM_RANGE(0x4400, 0x4400) AM_WRITENOP
+ AM_RANGE(0x4600, 0x4600) AM_WRITE(earom_control_w)
+ AM_RANGE(0x4800, 0x483f) AM_READ(earom_r)
+ AM_RANGE(0x4800, 0x4800) AM_WRITEONLY AM_SHARE("planet_frame")
+ AM_RANGE(0x4a00, 0x4a00) AM_WRITE(watchdog_reset_w)
+ AM_RANGE(0x4c00, 0x4c01) AM_WRITE(led_w)
+ AM_RANGE(0x4c04, 0x4c04) AM_WRITE(trackball_reset_w)
+ AM_RANGE(0x4c05, 0x4c06) AM_WRITE(coin_counter_w)
+ AM_RANGE(0x4c07, 0x4c07) AM_WRITEONLY AM_SHARE("planet_select")
+ AM_RANGE(0x4e00, 0x4e3f) AM_WRITE(earom_w)
+ AM_RANGE(0x5000, 0x501f) AM_DEVREADWRITE("pokey2", pokey_device, read, write)
+ AM_RANGE(0x5800, 0x581f) AM_DEVREADWRITE("pokey1", pokey_device, read, write)
+ //AM_RANGE(0x6000, 0x601f) AM_WRITE(pokey1_w) /* bug ??? */
+ AM_RANGE(0x6000, 0xbfff) AM_ROM
+ AM_RANGE(0xfffa, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( liberatr )
+ PORT_START("IN0") /* IN0 - $5000 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START("IN1") /* IN1 - $5001 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_CUSTOM ) PORT_VBLANK("screen")
+
+ PORT_START("DSW1") /* IN2 - Game Option switches DSW @ D4 on PCB */
+ PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x00, "4" )
+ PORT_DIPSETTING( 0x01, "5" )
+ PORT_DIPSETTING( 0x02, "6" )
+ PORT_DIPSETTING( 0x03, "8" )
+ PORT_DIPNAME( 0x0C, 0x04, DEF_STR( Bonus_Life ) )
+ PORT_DIPSETTING( 0x00, "15000" )
+ PORT_DIPSETTING( 0x04, "20000" )
+ PORT_DIPSETTING( 0x08, "25000" )
+ PORT_DIPSETTING( 0x0C, "30000" )
+ PORT_DIPNAME( 0x30, 0x00, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x30, "???" )
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START("DSW2") /* IN3 - Pricing Option switches DSW @ A4 on PCB */
+ PORT_DIPNAME( 0x03, 0x02, DEF_STR( Coinage ) )
+ 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, 0x00, "Right Coin" )
+ PORT_DIPSETTING ( 0x00, "*1" )
+ PORT_DIPSETTING ( 0x04, "*4" )
+ PORT_DIPSETTING ( 0x08, "*5" )
+ PORT_DIPSETTING ( 0x0c, "*6" )
+ PORT_DIPNAME( 0x10, 0x00, "Left Coin" )
+ PORT_DIPSETTING ( 0x00, "*1" )
+ PORT_DIPSETTING ( 0x10, "*2" )
+ /* TODO: verify the following settings */
+ PORT_DIPNAME( 0xe0, 0x00, "Bonus Coins" )
+ PORT_DIPSETTING ( 0x00, DEF_STR( None ) )
+ PORT_DIPSETTING ( 0x80, "1 each 5" )
+ PORT_DIPSETTING ( 0x40, "1 each 4 (+Demo)" )
+ PORT_DIPSETTING ( 0xa0, "1 each 3" )
+ PORT_DIPSETTING ( 0x60, "2 each 4 (+Demo)" )
+ PORT_DIPSETTING ( 0x20, "1 each 2" )
+ PORT_DIPSETTING ( 0xc0, "Freeze Mode" )
+ PORT_DIPSETTING ( 0xe0, "Freeze Mode" )
+
+ PORT_START("FAKE") /* IN4 - FAKE - overlaps IN0 in the HW */
+ PORT_BIT( 0x0f, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(30) PORT_KEYDELTA(10)
+ PORT_BIT( 0xf0, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(30) PORT_KEYDELTA(10)
+INPUT_PORTS_END
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_CONFIG_START( liberatr, liberatr_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M6502, MASTER_CLOCK/16) /* 1.25Mhz divided from 20Mhz master clock */
+ MCFG_CPU_PROGRAM_MAP(liberatr_map)
+ MCFG_DEVICE_PERIODIC_INT_DRIVER(driver_device,irq0_line_hold,4*60)
+
+ MCFG_ER2055_ADD("earom")
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_UPDATE_DRIVER(liberatr_state, screen_update)
+ MCFG_SCREEN_SIZE(256,256)
+ MCFG_SCREEN_VISIBLE_AREA(8, 247, 13, 244)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("pokey1", POKEY, MASTER_CLOCK/16) /* 1.25Mhz from Phi2 signal from 6502 */
+ MCFG_POKEY_ALLPOT_R_CB(IOPORT("DSW2"))
+ MCFG_POKEY_OUTPUT_OPAMP_LOW_PASS(RES_K(4.7), CAP_U(0.01), 5.0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ MCFG_SOUND_ADD("pokey2", POKEY, MASTER_CLOCK/16) /* 1.25Mhz from Phi2 signal from 6502 */
+ MCFG_POKEY_OUTPUT_OPAMP_LOW_PASS(RES_K(4.7), CAP_U(0.01), 5.0)
+ MCFG_POKEY_ALLPOT_R_CB(IOPORT("DSW1"))
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( liberat2, liberatr )
+
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(liberat2_map)
+MACHINE_CONFIG_END
+
+
+
+/*************************************
+ *
+ * ROM definitions
+ *
+ *************************************/
+
+ROM_START( liberatr )
+ ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for code and data */
+ ROM_LOAD( "136012.206", 0x8000, 0x1000, CRC(1a0cb4a0) SHA1(595828a07af729a84aab4e0b51e873046b56b419) )
+ ROM_LOAD( "136012.205", 0x9000, 0x1000, CRC(2f071920) SHA1(8764f3e78451c4968bffb7c7f72d1ed862f4b185) )
+ ROM_LOAD( "136012.204", 0xa000, 0x1000, CRC(bcc91827) SHA1(3bfbe1f1db58437ccd204a857e58695f56819649) )
+ ROM_LOAD( "136012.203", 0xb000, 0x1000, CRC(b558c3d4) SHA1(0b09786d696e91b12435a9e76b127c004c32e59a) )
+ ROM_LOAD( "136012.202", 0xc000, 0x1000, CRC(569ba7ea) SHA1(4812b255886204192ab999d1370550d48438ea81) )
+ ROM_LOAD( "136012.201", 0xd000, 0x1000, CRC(d12cd6d0) SHA1(94474429cbcdbb406eb045152fb158e2a23cd26d) )
+ ROM_LOAD( "136012.200", 0xe000, 0x1000, CRC(1e98d21a) SHA1(92c7cc033c78ae0ce8127d49debe62263404feb1) )
+ ROM_RELOAD( 0xf000, 0x1000 ) /* for interrupt/reset vectors */
+
+ ROM_REGION( 0x4000, "gfx1", 0 ) /* planet image, used at runtime */
+ ROM_LOAD( "136012.110", 0x0000, 0x1000, CRC(6eb11221) SHA1(355b71812a18cbb2ee4dc20b3622fca1c96e4570) )
+ ROM_LOAD( "136012.107", 0x1000, 0x1000, CRC(8a616a63) SHA1(76794cc4e11048bb6f2628bd8b84c9a7e2e82551) )
+ ROM_LOAD( "136012.108", 0x2000, 0x1000, CRC(3f8e4cf6) SHA1(a9d0feb0892f343687e00b96f05adb423ee4d659) )
+ ROM_LOAD( "136012.109", 0x3000, 0x1000, CRC(dda0c0ef) SHA1(6e547c07c1abd17383a4389b0b4ced442ed65ce7) )
+
+ ROM_REGION( 0x100, "user1", 0 ) /* latitude scaler */
+ ROM_LOAD_NIB_LOW ( "136012.123", 0x0000, 0x0100, CRC(b8c806e0) SHA1(19b1b9796e1e9a42899a92ec53288d17d5d15fb3) )
+ ROM_LOAD_NIB_HIGH( "136012.124", 0x0000, 0x0100, CRC(e51ec78f) SHA1(224237370c418361a00d62a77d39fa494e7d8831) )
+
+ ROM_REGION( 0x100, "user2", 0 ) /* longitude scaler */
+ ROM_LOAD_NIB_LOW ( "136012.125", 0x0000, 0x0100, CRC(52ac8dd9) SHA1(125d54b562d079b974f2562e71ab7c7a0b97e709) )
+ ROM_LOAD_NIB_HIGH( "136012.126", 0x0000, 0x0100, CRC(2e670aa6) SHA1(a6bcc49d0948d2dfe497c5e3ad4a834fa78f779a) )
+
+ ROM_REGION( 0x200, "proms", 0 )
+ ROM_LOAD( "136012.021", 0x0000, 0x0100, CRC(ffdcd7bc) SHA1(2ce733203d628e299ec4fb93db8be1598b49142c) ) /* write protect PROM */
+ ROM_LOAD( "136012.022", 0x0100, 0x0100, CRC(3353edce) SHA1(915308b11096fc1d02acf9b4af806a2a935dd748) ) /* sync PROM */
+ROM_END
+
+
+ROM_START( liberatr2 )
+ ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for code and data */
+ ROM_LOAD( "l6.bin", 0x6000, 0x1000, CRC(78093d06) SHA1(0f6ca01e27b32aae384a6ab67a6f14eedd3f1d9c) )
+ ROM_LOAD( "l5.bin", 0x7000, 0x1000, CRC(988db636) SHA1(8fdd07b397d4bef108aafb10c06c2fd53fc1f99a) )
+ ROM_LOAD( "l4.bin", 0x8000, 0x1000, CRC(ec114540) SHA1(eb35510b59f5e9624c3d94fb16dacb4968349030) )
+ ROM_LOAD( "l3.bin", 0x9000, 0x1000, CRC(184c751f) SHA1(e020d2943be89f244c1aeeb34a28b7aa7dbc1454) )
+ ROM_LOAD( "l2.bin", 0xa000, 0x1000, CRC(c3f61f88) SHA1(a56ce094fe7374d3ac341d5eb9e06df083e16b1f) )
+ ROM_LOAD( "l1.bin", 0xb000, 0x1000, CRC(ef6e9f9e) SHA1(b1f7cc9e0a2ea08ec89428ad31161ac81e7faaaf) )
+ ROM_RELOAD( 0xf000, 0x1000 ) /* for interrupt/reset vectors */
+
+ ROM_REGION( 0x4000, "gfx1", 0 ) /* planet image, used at runtime */
+ ROM_LOAD( "136012.110", 0x0000, 0x1000, CRC(6eb11221) SHA1(355b71812a18cbb2ee4dc20b3622fca1c96e4570) )
+ ROM_LOAD( "136012.107", 0x1000, 0x1000, CRC(8a616a63) SHA1(76794cc4e11048bb6f2628bd8b84c9a7e2e82551) )
+ ROM_LOAD( "136012.108", 0x2000, 0x1000, CRC(3f8e4cf6) SHA1(a9d0feb0892f343687e00b96f05adb423ee4d659) )
+ ROM_LOAD( "136012.109", 0x3000, 0x1000, CRC(dda0c0ef) SHA1(6e547c07c1abd17383a4389b0b4ced442ed65ce7) )
+
+ ROM_REGION( 0x100, "user1", 0 ) /* latitude scaler */
+ ROM_LOAD_NIB_LOW ( "136012.123", 0x0000, 0x0100, CRC(b8c806e0) SHA1(19b1b9796e1e9a42899a92ec53288d17d5d15fb3) )
+ ROM_LOAD_NIB_HIGH( "136012.124", 0x0000, 0x0100, CRC(e51ec78f) SHA1(224237370c418361a00d62a77d39fa494e7d8831) )
+
+ ROM_REGION( 0x100, "user2", 0 ) /* longitude scaler */
+ ROM_LOAD_NIB_LOW ( "136012.125", 0x0000, 0x0100, CRC(52ac8dd9) SHA1(125d54b562d079b974f2562e71ab7c7a0b97e709) )
+ ROM_LOAD_NIB_HIGH( "136012.126", 0x0000, 0x0100, CRC(2e670aa6) SHA1(a6bcc49d0948d2dfe497c5e3ad4a834fa78f779a) )
+
+ ROM_REGION( 0x200, "proms", 0 )
+ ROM_LOAD( "136012.021", 0x0000, 0x0100, CRC(ffdcd7bc) SHA1(2ce733203d628e299ec4fb93db8be1598b49142c) ) /* write protect PROM */
+ ROM_LOAD( "136012.022", 0x0100, 0x0100, CRC(3353edce) SHA1(915308b11096fc1d02acf9b4af806a2a935dd748) ) /* sync PROM */
+ROM_END
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+GAME( 1982, liberatr, 0, liberatr, liberatr, driver_device, 0, ROT0, "Atari", "Liberator (set 1)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
+GAME( 1982, liberatr2,liberatr, liberat2, liberatr, driver_device, 0, ROT0, "Atari", "Liberator (set 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )