/
madalien.cpp
455 lines (369 loc) · 19.9 KB
/
madalien.cpp
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// license:GPL-2.0+
// copyright-holders:Norbert Kehrer
/***************************************************************************
Mad Alien (c) 1980 Data East Corporation
Original driver by Norbert Kehrer (February 2004)
***************************************************************************/
#include "emu.h"
#include "madalien.h"
#include "cpu/m6502/m6502.h"
#include "sound/ay8910.h"
#include "video/mc6845.h"
#include "screen.h"
#include "speaker.h"
#define SOUND_CLOCK XTAL(4'000'000)
INPUT_CHANGED_MEMBER(madalien_state::coin_inserted)
{
/* coin insertion causes an NMI */
m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE);
}
inline uint8_t madalien_state::shift_common(uint8_t hi, uint8_t lo)
{
const uint8_t *table = memregion("user2")->base();
return table[((hi & 0x07) << 8) | lo];
}
uint8_t madalien_state::shift_r()
{
return shift_common(*m_shift_hi, *m_shift_lo);
}
uint8_t madalien_state::shift_rev_r()
{
uint8_t hi = *m_shift_hi ^ 0x07;
uint8_t lo = bitswap<8>(*m_shift_lo,0,1,2,3,4,5,6,7);
uint8_t ret = shift_common(hi, lo);
return bitswap<8>(ret,7,0,1,2,3,4,5,6) & 0x7f;
}
void madalien_state::madalien_output_w(uint8_t data)
{
/* output latch, eight output bits, none connected */
}
void madalien_state::madalien_portA_w(uint8_t data)
{
m_discrete->write(MADALIEN_8910_PORTA, data);
}
void madalien_state::madalien_portB_w(uint8_t data)
{
m_discrete->write(MADALIEN_8910_PORTB, data);
}
void madalien_state::main_map(address_map &map)
{
map(0x0000, 0x03ff).ram();
map(0x6000, 0x63ff).ram().w(FUNC(madalien_state::madalien_videoram_w)).share("videoram");
map(0x6400, 0x67ff).ram();
map(0x6800, 0x7fff).ram().w(FUNC(madalien_state::madalien_charram_w)).share("charram");
map(0x8000, 0x8000).mirror(0x0ff0).w("crtc", FUNC(mc6845_device::address_w));
map(0x8001, 0x8001).mirror(0x0ff0).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
map(0x8004, 0x8004).mirror(0x0ff0).writeonly().share("video_control");
map(0x8005, 0x8005).mirror(0x0ff0).w(FUNC(madalien_state::madalien_output_w));
map(0x8006, 0x8006).mirror(0x0ff0).r(m_soundlatch2, FUNC(generic_latch_8_device::read)).w(m_soundlatch, FUNC(generic_latch_8_device::write));
map(0x8008, 0x8008).mirror(0x07f0).ram().r(FUNC(madalien_state::shift_r)).share("shift_hi");
map(0x8009, 0x8009).mirror(0x07f0).ram().r(FUNC(madalien_state::shift_rev_r)).share("shift_lo");
map(0x800b, 0x800b).mirror(0x07f0).writeonly().share("video_flags");
map(0x800c, 0x800c).mirror(0x07f0).writeonly().share("headlight_pos");
map(0x800d, 0x800d).mirror(0x07f0).writeonly().share("edge1_pos");
map(0x800e, 0x800e).mirror(0x07f0).writeonly().share("edge2_pos");
map(0x800f, 0x800f).mirror(0x07f0).writeonly().share("scroll");
map(0x9000, 0x9000).mirror(0x0ff0).portr("PLAYER1");
map(0x9001, 0x9001).mirror(0x0ff0).portr("DSW");
map(0x9002, 0x9002).mirror(0x0ff0).portr("PLAYER2");
map(0xa000, 0xffff).rom();
}
void madalien_state::audio_map(address_map &map)
{
map(0x0000, 0x03ff).mirror(0x1c00).ram();
map(0x6000, 0x6003).mirror(0x1ffc).ram(); /* unknown device in an epoxy block, might be tilt detection */
map(0x8000, 0x8000).mirror(0x1ffc).r(m_soundlatch, FUNC(generic_latch_8_device::read));
map(0x8000, 0x8001).mirror(0x1ffc).w("aysnd", FUNC(ay8910_device::address_data_w));
map(0x8002, 0x8002).mirror(0x1ffc).w(m_soundlatch2, FUNC(generic_latch_8_device::write));
map(0xf800, 0xffff).rom();
}
static INPUT_PORTS_START( madalien )
PORT_START("PLAYER1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("DSW")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives )) PORT_DIPLOCATION("SW:1,2")
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x01, "4" )
PORT_DIPSETTING( 0x02, "5" )
PORT_DIPSETTING( 0x03, "6" )
PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Coinage )) PORT_DIPLOCATION("SW:3,4")
PORT_DIPSETTING( 0x0c, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) )
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Bonus_Life )) PORT_DIPLOCATION("SW:5,6")
PORT_DIPSETTING( 0x00, "3000" )
PORT_DIPSETTING( 0x10, "5000" )
PORT_DIPSETTING( 0x20, "7000" )
PORT_DIPSETTING( 0x30, "never" )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet )) PORT_DIPLOCATION("SW:8")
PORT_DIPSETTING( 0x00, DEF_STR( Upright ))
PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ))
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_START("PLAYER2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, madalien_state,coin_inserted, 0)
INPUT_PORTS_END
void madalien_state::madalien(machine_config &config)
{
/* main CPU */
M6502(config, m_maincpu, MADALIEN_MAIN_CLOCK / 8); /* 1324kHz */
m_maincpu->set_addrmap(AS_PROGRAM, &madalien_state::main_map);
M6502(config, m_audiocpu, SOUND_CLOCK / 8); /* 512kHz */
m_audiocpu->set_addrmap(AS_PROGRAM, &madalien_state::audio_map);
/* video hardware */
madalien_video(config);
/* audio hardware */
SPEAKER(config, "mono").front_center();
GENERIC_LATCH_8(config, m_soundlatch);
m_soundlatch->data_pending_callback().set_inputline(m_audiocpu, 0); // 7400 at 3A used as R/S latch
GENERIC_LATCH_8(config, m_soundlatch2);
ay8910_device &aysnd(AY8910(config, "aysnd", SOUND_CLOCK / 4));
aysnd.port_a_write_callback().set(FUNC(madalien_state::madalien_portA_w));
aysnd.port_b_write_callback().set(FUNC(madalien_state::madalien_portB_w));
aysnd.add_route(0, "discrete", 1.0, 0);
aysnd.add_route(1, "discrete", 1.0, 1);
aysnd.add_route(2, "discrete", 1.0, 2);
DISCRETE(config, m_discrete, madalien_discrete).add_route(ALL_OUTPUTS, "mono", 1.0);
}
ROM_START( madalien )
ROM_REGION( 0x10000, "maincpu", 0 ) /* main CPU */
ROM_LOAD( "m7.3f", 0xc000, 0x0800, CRC(4d12f89d) SHA1(e155f9135bc2bea56e211052f2b74d25e76308c8) )
ROM_LOAD( "m6.3hj", 0xc800, 0x0800, CRC(1bc4a57b) SHA1(02252b868d0c07c0a18240e9d831c303cdcfa9a6) )
ROM_LOAD( "m5.3k", 0xd000, 0x0800, CRC(8db99572) SHA1(f8cf22f8c134b47756b7f02c5ca0217100466744) )
ROM_LOAD( "m4.3l", 0xd800, 0x0800, CRC(fba671af) SHA1(dd74bd357c82d525948d836a7f860bbb3182c825) )
ROM_LOAD( "m3.4f", 0xe000, 0x0800, CRC(1aad640d) SHA1(9ace7d2c5ef9e789c2b8cc65420b19ce72cd95fa) )
ROM_LOAD( "m2.4hj", 0xe800, 0x0800, CRC(cbd533a0) SHA1(d3be81fb9ba40e30e5ff0171efd656b11dd20f2b) )
ROM_LOAD( "m1.4k", 0xf000, 0x0800, CRC(ad654b1d) SHA1(f8b365dae3801e97e04a10018a790d3bdb5d9439) )
ROM_LOAD( "m0.4l", 0xf800, 0x0800, CRC(cf7aa787) SHA1(f852cc806ecc582661582326747974a14f50174a) )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* audio CPU */
ROM_LOAD( "m8.4de", 0xf800, 0x0400, CRC(cfd19dab) SHA1(566dc84ffe9bcaeb112250a9e1882bf62f47b579) )
ROM_LOAD( "m9.3de", 0xfc00, 0x0400, CRC(48f30f24) SHA1(9c0bf6e43b143d6af1ebb9dad2bdc2b53eb2e48e) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* headlight */
ROM_LOAD( "ma-.2bc", 0x0000, 0x0400, CRC(aab16446) SHA1(d2342627cc2766004343f27515d8a7989d5fe932) )
ROM_REGION( 0x0400, "user1", 0 ) /* background tile map */
ROM_LOAD( "mf.4h", 0x0000, 0x0400, CRC(e9cba773) SHA1(356c7edb1b412a9e04f0747e780c945af8791c55) )
ROM_REGION( 0x0c00, "gfx1", 0 ) /* background tiles */
ROM_LOAD( "mc.3k", 0x0000, 0x0400, CRC(2daadfb7) SHA1(8be084a39b256e538fd57111e92d47115cb142cd) )
ROM_LOAD( "md.3l", 0x0400, 0x0400, CRC(3ee1287a) SHA1(33bc59a8d09d22f3db80f881c2f37aa788718138) )
ROM_LOAD( "me.3m", 0x0800, 0x0400, CRC(45a5c201) SHA1(ac600afeabf494634c3189d8e96644bd0deb45f3) )
ROM_REGION( 0x0800, "user2", 0 ) /* shifting table */
ROM_LOAD( "mb-.5cd", 0x0000, 0x0800, CRC(cb801e49) SHA1(7444c4af7cf07e5fdc54044d62ea4fcb201b2b8b) )
ROM_REGION( 0x0020, "proms", 0 ) /* color PROM */
ROM_LOAD( "mg.7e", 0x0000, 0x0020, CRC(3395b31f) SHA1(26235fb448a4180c58f0887e53a29c17857b3b34) )
ROM_END
/***************************************************************************
Mad Rider / Mad Alien
Data East, 1980
This game runs on 4 boards that plug into a PCB containing slots. The whole
thing is housed in a metal box. All of the PCBs in this box are labelled
'MAD RIDER'. The actual game appears to be Highway Chase on a Mad Alien PCB
and might have been converted from Mad Alien. However, the title screen still
says 'Mad Alien'. The graphics are bad on the edge of the road because one
PROM at 3K is incorrect. If you have access to a Mad Rider PCB, please dump
the PROM at 3K or contact us.
PCB Layouts
-----------
Top board
DE-0048B-1 CPU
|-----------------------------------|
| |
| 10.595MHz |
| DIP8(?) |
| |
| |
| DSW(8) |
| |
| DIP40 |
| |
| |
| |
| |
| |
| |
|-----------------------------------|
Notes:
This is joined to the PCB below with 4 small flat cables
All of the part numbers are scratched out on this PCB
DIP40 is a 6502 @ 1.324375MHz [10.595 / 8]
DE-0044B
|-------------------------------------|
| |
|-| |
| | DIP40 |-|
| | M5L8216P 2114 2114 |
| |* |
| | M5L8216P 2114 2114 |
|-| |
| 2114 M5L8216P 2114 2114 MG-1.7F |
| |
| 2114 M5L8216P 2114 2114 |
| |
| 2114 M5L8216P 2114 2114 |-|
| |
| 2114 M5L8216P 2114 2114 |
|-------------------------------------|
Notes:
* - Flat cable joined to next PCB down
DIP40 - probably 6845 video chip (surface scratched)
MG-1 - 82S123 Bipolar PROM
DE-0045B-1
|-------------------------------------|
| MD-1.3M |
|-| ME-1.3L |
| | MC-1.3K |-|
| | |
| |* MF-1.4H |
| | |
|-| |
| |
| |
| |
| MB.5C |
| |-|
| MA.2B |
| |
|-------------------------------------|
Notes:
* - Flat cable joined to above PCB
MA - 2708 EPROM
MB - 2716 EPROM
MC / MD \
ME / MF - uPB426 or 82S137 Bipolar PROMs
DE-0047B-1
|-------------------------------------|
| DIP16 |
| 555 4MHz |
| 8910 |-|
| 4066 6502 |
| |
| |
|* |
| 555 9_2708.3D |
| 8_2708.4D |
| |
| LM348 |
| 4066 2114 |-|
| 555 |
| LM348 4066 2114 |
|-------------------------------------|
Notes:
* - 3 pin sound output connector
6502 - 6502 CPU running at 0.500MHz [4/8]
NMI on pin 6 measured 50.0Hz
8910 - AY3-8910 sound chip running at 1.000MHz [4/4]
DIP16 - socket for small plug-in board containing 3 chips
which is covered with epoxy resin
Bottom board
DE-0046B-1 ROM
|-------------------------------------|
| @ |
| 2716.3L 2716.4L |
| |-|
|-| 2716.3K 2716.4K |
| | |
| | 2716.3H 2716.4H |
| | # |
| | 2716.3F 2716.4F |
| | |
| | 2716.4E |
| | |
|-| 2716.4C |-|
| |
| & % |
|-------------------------------------|
Notes:
* - 50 pin flat cable connector for controls and video output
& - 4 wire jumpers
% - 4 wire jumpers
# - 6 wire jumpers
@ - 3 wire jumpers
All ROMs type 2716
VSync - 55Hz
HSync - 15.43kHz
***************************************************************************/
ROM_START( madaliena )
ROM_REGION(0x10000, "maincpu", 0) /* main CPU */
ROM_LOAD("mk-6.c4", 0xb000, 0x0800, CRC(90be68af) SHA1(472ccfd2e04d6d49be47d919cba0c55d850b2887) )
ROM_LOAD("mj-6.4e", 0xb800, 0x0800, CRC(aba10cbb) SHA1(6ca213ded8ed7f4f310ab5ae25220cf867dd1d00) )
ROM_LOAD("m7-6.3f", 0xc000, 0x0800, CRC(c3af484c) SHA1(c3667526d3b5aeee68823f92826053e657512851) )
ROM_LOAD("m6-6.3hj", 0xc800, 0x0800, CRC(78ca5a87) SHA1(729d69ee63c710241a098471e9769063dfe8ef1e) )
ROM_LOAD("m5-6.3k", 0xd000, 0x0800, CRC(070e81ea) SHA1(006831f4bf289812e4e87a3ece7885e8b901f2f5) )
ROM_LOAD("m4-6.3l", 0xd800, 0x0800, CRC(98225cb0) SHA1(ca74f5e33fa9116215b03abadd5d09840c04fb0b) )
ROM_LOAD("m3-6.4f", 0xe000, 0x0800, CRC(52fea0fc) SHA1(443fd859daf4279d5976256a4b1c970b520661a2) )
ROM_LOAD("m2-6.4hj", 0xe800, 0x0800, CRC(dba6c4f6) SHA1(51f815fc7eb99a05eee6204de2d4cad1734adc52) )
ROM_LOAD("m1-6.4k", 0xf000, 0x0800, CRC(06991af6) SHA1(19112306529721222b6e1c07920348c263d8b8aa) )
ROM_LOAD("m0-6.4l", 0xf800, 0x0800, CRC(57752b47) SHA1(a34d3150ea9082889154042dbea3386f71322a78) )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* audio CPU */
ROM_LOAD( "m8-1.4de", 0xf800, 0x0400, CRC(46162e7e) SHA1(7ed85f4a9ac58d6d9bafba0c843a16c269656563) )
ROM_LOAD( "m9-1.3de", 0xfc00, 0x0400, CRC(4175f5c4) SHA1(45cae8a1fcfd34b91c63cc7e544a32922da14f16) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* headlight */
ROM_LOAD( "ma-.2bc", 0x0000, 0x0400, CRC(aab16446) SHA1(d2342627cc2766004343f27515d8a7989d5fe932) )
// same gfx and tilemap as 'madalien' set but in double size roms, 2nd half empty
ROM_REGION( 0x0800, "user1", 0 ) /* background tile map */
ROM_LOAD( "mf.4h", 0x0000, 0x0800, CRC(5c1e1602) SHA1(5ea8b3e9381364fed1030221fd5cdda318edaa1a) )
ROM_REGION( 0x1800, "gfx1", 0 ) /* background tiles */
ROM_LOAD( "mc.3k", 0x0000, 0x0800, CRC(75072223) SHA1(3c292698683d20d83d512cc4d17c6578da19e29d) )
ROM_LOAD( "me.3l", 0x0800, 0x0800, CRC(740f606d) SHA1(a430ee1333d2d85381eaf197570799a694301d2d) )
ROM_LOAD( "md.3m", 0x1000, 0x0800, CRC(7813dd11) SHA1(49bcdbbad13a5b9dc7ea43b8cdc564f6a8697148) )
ROM_REGION( 0x0800, "user2", 0 ) /* shifting table */
ROM_LOAD( "mb-.5cd", 0x0000, 0x0800, CRC(cb801e49) SHA1(7444c4af7cf07e5fdc54044d62ea4fcb201b2b8b) )
ROM_REGION( 0x0020, "proms", 0 ) /* color PROM */
ROM_LOAD( "prom.7e", 0x0000, 0x0020, CRC(e622396a) SHA1(8972704bd25fed462e25c453771cc5ca4fc74034) )
ROM_END
// This set has the same ROMs as 'madaliena' except it uses a different set of tile roms and background tilemap, much closer to
// 'Highway Chase' on the Cassette system with a Desert theme instead of a Vegas one (only the design on the 2nd tile differs slightly)
// unfortuantely one of the ROMs was damaged and due to the single tile being different we can't use GFX extracted from the cassette
// version.
ROM_START( madalienb )
ROM_REGION( 0x10000, "maincpu", 0 ) /* main CPU */
ROM_LOAD("mk-6.c4", 0xb000, 0x0800, CRC(90be68af) SHA1(472ccfd2e04d6d49be47d919cba0c55d850b2887) )
ROM_LOAD("mj-6.4e", 0xb800, 0x0800, CRC(aba10cbb) SHA1(6ca213ded8ed7f4f310ab5ae25220cf867dd1d00) )
ROM_LOAD("m7-6.3f", 0xc000, 0x0800, CRC(c3af484c) SHA1(c3667526d3b5aeee68823f92826053e657512851) )
ROM_LOAD("m6-6.3hj", 0xc800, 0x0800, CRC(78ca5a87) SHA1(729d69ee63c710241a098471e9769063dfe8ef1e) )
ROM_LOAD("m5-6.3k", 0xd000, 0x0800, CRC(070e81ea) SHA1(006831f4bf289812e4e87a3ece7885e8b901f2f5) )
ROM_LOAD("m4-6.3l", 0xd800, 0x0800, CRC(98225cb0) SHA1(ca74f5e33fa9116215b03abadd5d09840c04fb0b) )
ROM_LOAD("m3-6.4f", 0xe000, 0x0800, CRC(52fea0fc) SHA1(443fd859daf4279d5976256a4b1c970b520661a2) )
ROM_LOAD("m2-6.4hj", 0xe800, 0x0800, CRC(dba6c4f6) SHA1(51f815fc7eb99a05eee6204de2d4cad1734adc52) )
ROM_LOAD("m1-6.4k", 0xf000, 0x0800, CRC(06991af6) SHA1(19112306529721222b6e1c07920348c263d8b8aa) )
ROM_LOAD("m0-6.4l", 0xf800, 0x0800, CRC(57752b47) SHA1(a34d3150ea9082889154042dbea3386f71322a78) )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* audio CPU */
ROM_LOAD( "m8-1.4de", 0xf800, 0x0400, CRC(46162e7e) SHA1(7ed85f4a9ac58d6d9bafba0c843a16c269656563) )
ROM_LOAD( "m9-1.3de", 0xfc00, 0x0400, CRC(4175f5c4) SHA1(45cae8a1fcfd34b91c63cc7e544a32922da14f16) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* headlight */
ROM_LOAD( "ma-.2bc", 0x0000, 0x0400, CRC(aab16446) SHA1(d2342627cc2766004343f27515d8a7989d5fe932) )
ROM_REGION( 0x0400, "user1", 0 ) // background tile map
ROM_LOAD( "mf-1.4h", 0x0000, 0x0400, CRC(9b04c446) SHA1(918013f3c0244ab6a670b9d1b6b642298e2c5ab8) )
ROM_REGION( 0x0c00, "gfx1", 0 ) // background tiles
ROM_LOAD( "mc-1.3k", 0x0000, 0x0400, BAD_DUMP CRC(2710c47e) SHA1(337e4f160c7db143ec3bfae3e08e8789b9e41cc5) ) // taken from chwy, see below, tile 2 is mismatched with the 2 roms from the actual PCB.
ROM_LOAD( "me-1.3l", 0x0400, 0x0400, CRC(7328a425) SHA1(327adc8b0e25d93f1ae98a44c26d0aaaac1b1a9c) )
ROM_LOAD( "md-1.3m", 0x0800, 0x0400, CRC(b5329929) SHA1(86890e1b7cc8cb31fc0dcbc2d3cff02e4cf95619) )
/* for reference, this is the data used by Highway Chase on the cassette system when extracted
ROM_REGION( 0x0400, "user1", 0 ) // background tile map
ROM_LOAD( "rom1", 0x0000, 0x0400, CRC(9b04c446) SHA1(918013f3c0244ab6a670b9d1b6b642298e2c5ab8) )
ROM_REGION( 0x0c00, "gfx1", 0 ) // background tiles
ROM_LOAD( "rom2", 0x0000, 0x0400, CRC(2710c47e) SHA1(337e4f160c7db143ec3bfae3e08e8789b9e41cc5) )
ROM_LOAD( "rom3", 0x0400, 0x0400, CRC(4ec78c6a) SHA1(52c7fd0cbd2716edbfae0c73cc59fd3097941e2d) )
ROM_LOAD( "rom4", 0x0800, 0x0400, CRC(c1f7375e) SHA1(02358f498565bb88b6c323620a5b85a39e8c84db) )
*/
ROM_REGION( 0x0800, "user2", 0 ) /* shifting table */
ROM_LOAD( "mb-.5cd", 0x0000, 0x0800, CRC(cb801e49) SHA1(7444c4af7cf07e5fdc54044d62ea4fcb201b2b8b) )
ROM_REGION( 0x0020, "proms", 0 ) /* color PROM */
ROM_LOAD( "prom.7e", 0x0000, 0x0020, CRC(e622396a) SHA1(8972704bd25fed462e25c453771cc5ca4fc74034) )
ROM_END
/* set parent machine inp init */
GAME( 1980, madalien, 0, madalien, madalien, madalien_state, empty_init, ROT270, "Data East Corporation", "Mad Alien (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1980, madaliena,madalien, madalien, madalien, madalien_state, empty_init, ROT270, "Data East Corporation", "Mad Alien (set 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1980, madalienb,madalien, madalien, madalien, madalien_state, empty_init, ROT270, "Data East Corporation", "Mad Alien (set 2, alt gfx)", MACHINE_SUPPORTS_SAVE )