// license:BSD-3-Clause
// copyright-holders:Angelo Salese, Tomasz Slanina, Olivier Galibert
/*
****************************************************
Mirax (C)1985 Current Technologies
driver by
Tomasz Slanina analog[AT]op[DOT]pl
Angelo Salese
Olivier Galibert
TODO:
- sound ports are a mystery (PC=0x02e0)
- video offsets?
- score / credits display should stay above the sprites?
====================================================
CPU: Ceramic potted module, Z80C
Sound: AY-3-8912 (x2)
RAM: 74S201, 74S201 (x6), 2148 (x6), 2114 (x2), 58725 (x2), 6116
PROMS: 82S123 (x2)
XTAL: 12 MHz
Here comes a high energy space game of its own kind.
Mirax(TM)
* First person perspective
* Fully integrated game play.
* Continually changing 3-D graphics plus powerful sound effects.
HOW TO PLAY
1. Your goal is to terminate Mirax City - a giant enemy central station shown at stage 10.
2. Destroy all enemy objects (air or ground) as many as you can. Avoid indestructible building blocks.
3. Shooting a group of ground targets causes satellites to rise.
4. Enemy flagship appears after a wave of far ground vessels completely destroyed.
5. Hitting flagship puts you into power shooting mode - no fire button required.
6. Bonus flag is given for each flagship hit. 5 or 8 flags award you an extra fighter.
7. Use joystick to take sight before firing.
Pinouts
Parts Solder
1 Gnd Gnd
2 Gnd Gnd
3 Gnd Video gnd
4 Gnd Gnd
5
6
7
8
9 Coin 1 Video sync
10 Up
11 Fire
12 Down
13 start1 start2
14 left
15 right
16 Video green
17 Video blue
18 Video red
19 Speaker- Speaker+
20 +5 +5
21 +5 +5
22 +12 +12
Stephh's notes (based on the games Z80 code and some tests) :
1) 'mirax'
- Screen flipping settings (DSW1 bit 3) are only tested AFTER the ROM/RAM checks;
so the first texts may be upside down related to screen orientation (ingame bug).
- Coin A and Coin B use the same coinage based on DSW1 bits 0 and 1.
Furthermore, they share the same coin counter at 0xf500.
- When reaching 10th "boss" (level 100), the game will consider that you're on level 1 :
it will display "STAGE 1 - MIRAX CITY: 90000 MILES" on "presentation" screen and
"STAGE 1" at the bottom right when fighting the "boss".
Once you have defeated it, you'll go back to normal stage 2 : it will display
"STAGE 2 - MIRAX CITY: 80000 MILES" on "presentation" screen and "STAGE 2"
at the bottom right (ingame bug).
2) 'miraxa'
- Screen flipping settings (DSW1 bit 3) are only BEFORE the ROM/RAM checks
due to additional code at 0x0200, so the first texts always fit screen orientation.
- Coin A and Coin B use different coinages even if both are based on DSW1 bits 0 and 1.
There are 2 coin counters : Coin A at 0xf500 and Coin B at 0xf502.
- Other noticeable differences with 'mirax' :
* different lives settings (DSW1 bits 4 and 5)
* different bonus lives settings (DSW2 bits 0 and 1)
* different stages names :
. stages 1 to 10 : "LUXORI" instead of "MIRAX"
. stages 71 to 80 : "DESCOM" instead of "DESBOM"
furthermore, for all stages, it's written "UNIT" instead of "CITY"
- Same ingame bug as in 'mirax' when you reach level 100 (of course, it will display
"LUXORI UNIT" instead of "MIRAX CITY" on "presentation" screen).
************************************************
*/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/74259.h"
#include "machine/gen_latch.h"
#include "sound/ay8910.h"
#include "screen.h"
#include "speaker.h"
class mirax_state : public driver_device
{
public:
mirax_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_ay(*this, "ay%u", 1),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_colorram(*this, "colorram") { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device_array<ay8912_device, 2> m_ay;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_colorram;
uint8_t m_nAyCtrl;
uint8_t m_nmi_mask;
uint8_t m_flipscreen_x;
uint8_t m_flipscreen_y;
DECLARE_WRITE8_MEMBER(audio_w);
DECLARE_WRITE_LINE_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(sound_cmd_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter0_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter1_w);
DECLARE_WRITE_LINE_MEMBER(flip_screen_x_w);
DECLARE_WRITE_LINE_MEMBER(flip_screen_y_w);
DECLARE_WRITE8_MEMBER(ay1_sel);
DECLARE_WRITE8_MEMBER(ay2_sel);
DECLARE_DRIVER_INIT(mirax);
DECLARE_PALETTE_INIT(mirax);
virtual void machine_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_tilemap(bitmap_ind16 &bitmap, const rectangle &cliprect, uint8_t draw_flag);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank_irq);
void mirax(machine_config &config);
void mirax_main_map(address_map &map);
void mirax_sound_map(address_map &map);
};
PALETTE_INIT_MEMBER(mirax_state, mirax)
{
const uint8_t *color_prom = memregion("proms")->base();
int i;
for (i = 0;i < palette.entries();i++)
{
int bit0,bit1,bit2,r,g,b;
/* red component */
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 2) & 0x01;
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* green component */
bit0 = (color_prom[i] >> 3) & 0x01;
bit1 = (color_prom[i] >> 4) & 0x01;
bit2 = (color_prom[i] >> 5) & 0x01;
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* blue component */
bit0 = (color_prom[i] >> 6) & 0x01;
bit1 = (color_prom[i] >> 7) & 0x01;
b = 0x4f * bit0 + 0xa8 * bit1;
palette.set_pen_color(i,rgb_t(r,g,b));
}
}
void mirax_state::draw_tilemap(bitmap_ind16 &bitmap, const rectangle &cliprect, uint8_t draw_flag)
{
gfx_element *gfx = m_gfxdecode->gfx(0);
int y,x;
int res_x,res_y,wrapy;
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int tile = m_videoram[32*y+x];
int color = (m_colorram[x*2]<<8) | (m_colorram[(x*2)+1]);
int x_scroll = (color & 0xff00)>>8;
tile |= ((color & 0xe0)<<3);
res_x = (m_flipscreen_x) ? 248-x*8 : x*8;
res_y = (m_flipscreen_y) ? 248-y*8+x_scroll : y*8-x_scroll;
wrapy = (m_flipscreen_y) ? -256 : 256;
if((x <= 1 || x >= 30) ^ draw_flag)
{
gfx->opaque(bitmap,cliprect,tile,color & 7,(m_flipscreen_x),(m_flipscreen_y),res_x,res_y);
/* wrap-around */
gfx->opaque(bitmap,cliprect,tile,color & 7,(m_flipscreen_x),(m_flipscreen_y),res_x,res_y+wrapy);
}
}
}
}
void mirax_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for(int count=0;count<0x200;count+=4)
{
int spr_offs,x,y,color,fx,fy;
if(m_spriteram[count] == 0x00 || m_spriteram[count+3] == 0x00)
continue;
spr_offs = (m_spriteram[count+1] & 0x3f);
color = m_spriteram[count+2] & 0x7;
fx = (m_flipscreen_x) ^ ((m_spriteram[count+1] & 0x40) >> 6); //<- guess
fy = (m_flipscreen_y) ^ ((m_spriteram[count+1] & 0x80) >> 7);
spr_offs += (m_spriteram[count+2] & 0xe0)<<1;
spr_offs += (m_spriteram[count+2] & 0x10)<<5;
y = (m_flipscreen_y) ? m_spriteram[count] : 0x100 - m_spriteram[count] - 16;
x = (m_flipscreen_x) ? 240 - m_spriteram[count+3] : m_spriteram[count+3];
m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,spr_offs,color,fx,fy,x,y,0);
}
}
uint32_t mirax_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
draw_tilemap(bitmap,cliprect,1);
draw_sprites(bitmap,cliprect);
draw_tilemap(bitmap,cliprect,0);
return 0;
}
void mirax_state::machine_start()
{
m_nAyCtrl = 0x00;
save_item(NAME(m_nAyCtrl));
save_item(NAME(m_nmi_mask));
save_item(NAME(m_flipscreen_x));
save_item(NAME(m_flipscreen_y));
}
WRITE8_MEMBER(mirax_state::audio_w)
{
m_nAyCtrl=offset;
}
WRITE8_MEMBER(mirax_state::ay1_sel)
{
m_ay[0]->address_w(space,0,m_nAyCtrl);
m_ay[0]->data_w(space,0,data);
}
WRITE8_MEMBER(mirax_state::ay2_sel)
{
m_ay[1]->address_w(space,0,m_nAyCtrl);
m_ay[1]->data_w(space,0,data);
}
WRITE_LINE_MEMBER(mirax_state::nmi_mask_w)
{
m_nmi_mask = state;
if (!m_nmi_mask)
m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}
WRITE8_MEMBER(mirax_state::sound_cmd_w)
{
m_soundlatch->write(space, 0, data & 0xff);
m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}
WRITE_LINE_MEMBER(mirax_state::coin_counter0_w)
{
machine().bookkeeping().coin_counter_w(0, state);
}
WRITE_LINE_MEMBER(mirax_state::coin_counter1_w)
{
machine().bookkeeping().coin_counter_w(1, state);
}
WRITE_LINE_MEMBER(mirax_state::flip_screen_x_w)
{
m_flipscreen_x = state;
}
WRITE_LINE_MEMBER(mirax_state::flip_screen_y_w)
{
m_flipscreen_y = state;
}
void mirax_state::mirax_main_map(address_map &map)
{
map(0x0000, 0xbfff).rom();
map(0xc800, 0xd7ff).ram();
map(0xe000, 0xe3ff).ram().share("videoram");
map(0xe800, 0xe9ff).ram().share("spriteram");
map(0xea00, 0xea3f).ram().share("colorram"); //per-column color + bank bits for the videoram
map(0xf000, 0xf000).portr("P1");
map(0xf100, 0xf100).portr("P2");
map(0xf200, 0xf200).portr("DSW1");
map(0xf300, 0xf300).nopr(); //watchdog? value is always read then discarded
map(0xf400, 0xf400).portr("DSW2");
map(0xf500, 0xf507).w("mainlatch", FUNC(ls259_device::write_d0));
map(0xf800, 0xf800).w(this, FUNC(mirax_state::sound_cmd_w));
// AM_RANGE(0xf900, 0xf900) //sound cmd mirror? ack?
}
void mirax_state::mirax_sound_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x8000, 0x8fff).ram();
map(0xa000, 0xa000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
map(0xe000, 0xe000).nopw();
map(0xe001, 0xe001).nopw();
map(0xe003, 0xe003).w(this, FUNC(mirax_state::ay1_sel)); //1st ay ?
map(0xe400, 0xe400).nopw();
map(0xe401, 0xe401).nopw();
map(0xe403, 0xe403).w(this, FUNC(mirax_state::ay2_sel)); //2nd ay ?
map(0xf900, 0xf9ff).w(this, FUNC(mirax_state::audio_w));
}
/* verified from Z80 code */
static INPUT_PORTS_START( mirax )
/* up/down directions are trusted according of the continue screen */
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_START("P2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_COCKTAIL
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("DSW1")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Flip_Screen ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x30, "2" )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x10, "4" )
PORT_DIPSETTING( 0x20, "5" )
PORT_DIPUNUSED( 0x40, IP_ACTIVE_HIGH )
PORT_DIPUNUSED( 0x80, IP_ACTIVE_HIGH )
PORT_START("DSW2")
PORT_DIPNAME( 0x01, 0x00, DEF_STR( Bonus_Life ) ) /* table at 0x11b5 (2 * 3 * 2 bytes) */
PORT_DIPSETTING( 0x00, "30k 80k 150k" )
PORT_DIPSETTING( 0x01, "900k 950k 990k" )
PORT_DIPNAME( 0x02, 0x00, "Flags for Extra Life" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPSETTING( 0x02, "8" )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Allow_Continue ) )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x08, DEF_STR( Yes ) )
/* this dip makes the game to behave like attract mode, even if you insert a coin */
PORT_DIPNAME( 0x10, 0x00, "Auto-Play Mode (Debug)" )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, DEF_STR( Easy ) )
PORT_DIPSETTING( 0x20, DEF_STR( Hard ) )
PORT_DIPUNUSED( 0x40, IP_ACTIVE_HIGH )
PORT_DIPUNUSED( 0x80, IP_ACTIVE_HIGH )
INPUT_PORTS_END
/* verified from Z80 code */
static INPUT_PORTS_START( miraxa )
PORT_INCLUDE( mirax )
PORT_MODIFY("DSW1")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x03, "A: 2C/1C - B: 12C/1C" )
PORT_DIPSETTING( 0x00, "A: 1C/1C - B: 6C/1C" )
PORT_DIPSETTING( 0x01, "A: 1C/2C - B: 3C/1C" )
PORT_DIPSETTING( 0x02, "A: 1C/3C - B: 2C/1C" )
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x10, "4" )
PORT_DIPSETTING( 0x20, "5" )
PORT_DIPSETTING( 0x30, "6" )
PORT_MODIFY("DSW2")
PORT_DIPNAME( 0x01, 0x00, DEF_STR( Bonus_Life ) ) /* table at 0x1276 (2 * 3 * 2 bytes) */
PORT_DIPSETTING( 0x00, "30k 80k 150k" )
PORT_DIPSETTING( 0x01, "50k 100k 900k" )
INPUT_PORTS_END
static const gfx_layout layout16 =
{
16,16,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(2,3),RGN_FRAC(1,3),RGN_FRAC(0,3)},
{ 0, 1, 2, 3, 4, 5, 6, 7 ,
0+8*8,1+8*8,2+8*8,3+8*8,4+8*8,5+8*8,6+8*8,7+8*8},
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
0*8+8*8*2, 1*8+8*8*2, 2*8+8*8*2, 3*8+8*8*2, 4*8+8*8*2, 5*8+8*8*2, 6*8+8*8*2, 7*8+8*8*2},
16*16
};
static const gfx_layout layout8 =
{
8,8,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(2,3),RGN_FRAC(1,3),RGN_FRAC(0,3)},
{ 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( mirax )
GFXDECODE_ENTRY( "gfx1", 0, layout8, 0, 8 )
GFXDECODE_ENTRY( "gfx2", 0, layout16, 0, 8 )
GFXDECODE_END
WRITE_LINE_MEMBER(mirax_state::vblank_irq)
{
if (state && m_nmi_mask)
m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
}
MACHINE_CONFIG_START(mirax_state::mirax)
MCFG_CPU_ADD("maincpu", Z80, 12000000/4) // ceramic potted module, encrypted z80
MCFG_CPU_PROGRAM_MAP(mirax_main_map)
MCFG_CPU_ADD("audiocpu", Z80, 12000000/4)
MCFG_CPU_PROGRAM_MAP(mirax_sound_map)
MCFG_CPU_PERIODIC_INT_DRIVER(mirax_state, irq0_line_hold, 4*60)
MCFG_DEVICE_ADD("mainlatch", LS259, 0) // R10
MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(WRITELINE(mirax_state, coin_counter0_w))
MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(WRITELINE(mirax_state, nmi_mask_w))
MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(WRITELINE(mirax_state, coin_counter1_w)) // only used in 'miraxa' - see notes
// One address flips X, the other flips Y, but I can't tell which is which
// Since the value is the same for the 2 addresses, it doesn't really matter
MCFG_ADDRESSABLE_LATCH_Q6_OUT_CB(WRITELINE(mirax_state, flip_screen_x_w))
MCFG_ADDRESSABLE_LATCH_Q7_OUT_CB(WRITELINE(mirax_state, flip_screen_y_w))
/* 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(256, 256)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
MCFG_SCREEN_UPDATE_DRIVER(mirax_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(mirax_state, vblank_irq))
MCFG_PALETTE_ADD("palette", 0x40)
MCFG_PALETTE_INIT_OWNER(mirax_state, mirax)
MCFG_GFXDECODE_ADD("gfxdecode", "palette", mirax)
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
MCFG_SOUND_ADD("ay1", AY8912, 12000000/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
MCFG_SOUND_ADD("ay2", AY8912, 12000000/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
MACHINE_CONFIG_END
ROM_START( mirax )
ROM_REGION( 0xc000, "maincpu", ROMREGION_ERASE00 ) // put decrypted code there
ROM_REGION( 0xc000, "data_code", 0 ) // encrypted code for the main cpu
ROM_LOAD( "mxp5-42.rom", 0x0000, 0x4000, CRC(716410a0) SHA1(55171376e1e164b1d5e728789da6e04a3a33c172) )
ROM_LOAD( "mxr5-4v.rom", 0x4000, 0x4000, CRC(c9484fc3) SHA1(101c5e4b9d49d2424ad80970eb3bdb87949a9966) )
ROM_LOAD( "mxs5-4v.rom", 0x8000, 0x4000, CRC(e0085f91) SHA1(cf143b94048e1ebb5c899b94b500e193dfd42e18) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "mxr2-4v.rom", 0x0000, 0x2000, CRC(cd2d52dc) SHA1(0d4181dc68beac338f47a2065c7b755008877896) )
ROM_REGION( 0xc000, "gfx1", 0 )
ROM_LOAD( "mxe3-4v.rom", 0x0000, 0x4000, CRC(0cede01f) SHA1(c723dd8ee9dc06c94a7fe5d5b5bccc42e2181af1) )
ROM_LOAD( "mxh3-4v.rom", 0x4000, 0x4000, CRC(58221502) SHA1(daf5c508939b44616ca76308fc33f94d364ed587) )
ROM_LOAD( "mxk3-4v.rom", 0x8000, 0x4000, CRC(6dbc2961) SHA1(5880c28f1ef704fee2d625a42682c7d65613acc8) )
ROM_REGION( 0x18000, "gfx2", 0 )
ROM_LOAD( "mxe2-4v.rom", 0x04000, 0x4000, CRC(2cf5d8b7) SHA1(f66bce4d413a48f6ae07974870dc0f31eefa68e9) )
ROM_LOAD( "mxf2-4v.rom", 0x0c000, 0x4000, CRC(1f42c7fa) SHA1(33e56c6ddf7676a12f57de87ec740c6b6eb1cc8c) )
ROM_LOAD( "mxh2-4v.rom", 0x14000, 0x4000, CRC(cbaff4c6) SHA1(2dc4a1f51b28e98be0cfb5ab7576047c748b6728) )
ROM_LOAD( "mxf3-4v.rom", 0x00000, 0x4000, CRC(14b1ca85) SHA1(775a4c81a81b78490d45095af31e24c16886f0a2) )
ROM_LOAD( "mxi3-4v.rom", 0x08000, 0x4000, CRC(20fb2099) SHA1(da6bbd5d2218ba49b8ef98e7affdcab912f84ade) )
ROM_LOAD( "mxl3-4v.rom", 0x10000, 0x4000, CRC(918487aa) SHA1(47ba6914722a253f65c733b5edff4d15e73ea6c2) )
ROM_REGION( 0x0060, "proms", 0 )
ROM_LOAD( "mra3.prm", 0x0000, 0x0020, CRC(ae7e1a63) SHA1(f5596db77c1e352ef7845465db3e54e19cd5df9e) )
ROM_LOAD( "mrb3.prm", 0x0020, 0x0020, CRC(e3f3d0f5) SHA1(182b06c9db5bec1e3030f705247763bd2380ba83) )
ROM_LOAD( "mirax.prm", 0x0040, 0x0020, NO_DUMP ) // data ? encrypted roms for cpu1 ?
ROM_END
ROM_START( miraxa )
ROM_REGION( 0xc000, "maincpu", ROMREGION_ERASE00 ) // put decrypted code there
ROM_REGION( 0xc000, "data_code", 0 ) // encrypted code for the main cpu
ROM_LOAD( "mx_p5_43v.p5", 0x0000, 0x4000, CRC(87664903) SHA1(ccc11ecf0658e7af0db3229f60a16b1a44bd12bc) )
ROM_LOAD( "mx_r5_43v.r5", 0x4000, 0x4000, CRC(1ba4cd8e) SHA1(8fd22d3a4bca7c989382aaf7b08ac381a3566493) )
ROM_LOAD( "mx_s5_43v.s5", 0x8000, 0x4000, CRC(c58cc151) SHA1(0846e22f4da6d85c6dc29ff1472bc84b419b2289) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "mxr2-4v.rom", 0x0000, 0x2000, CRC(cd2d52dc) SHA1(0d4181dc68beac338f47a2065c7b755008877896) )
ROM_REGION( 0xc000, "gfx1", 0 )
ROM_LOAD( "mxe3-4v.rom", 0x0000, 0x4000, CRC(0cede01f) SHA1(c723dd8ee9dc06c94a7fe5d5b5bccc42e2181af1) )
ROM_LOAD( "mxh3-4v.rom", 0x4000, 0x4000, CRC(58221502) SHA1(daf5c508939b44616ca76308fc33f94d364ed587) )
ROM_LOAD( "mxk3-4v.rom", 0x8000, 0x4000, CRC(6dbc2961) SHA1(5880c28f1ef704fee2d625a42682c7d65613acc8) )
ROM_REGION( 0x18000, "gfx2", 0 )
ROM_LOAD( "mxe2-4v.rom", 0x04000, 0x4000, CRC(2cf5d8b7) SHA1(f66bce4d413a48f6ae07974870dc0f31eefa68e9) )
ROM_LOAD( "mxf2-4v.rom", 0x0c000, 0x4000, CRC(1f42c7fa) SHA1(33e56c6ddf7676a12f57de87ec740c6b6eb1cc8c) )
ROM_LOAD( "mxh2-4v.rom", 0x14000, 0x4000, CRC(cbaff4c6) SHA1(2dc4a1f51b28e98be0cfb5ab7576047c748b6728) )
ROM_LOAD( "mxf3-4v.rom", 0x00000, 0x4000, CRC(14b1ca85) SHA1(775a4c81a81b78490d45095af31e24c16886f0a2) )
ROM_LOAD( "mxi3-4v.rom", 0x08000, 0x4000, CRC(20fb2099) SHA1(da6bbd5d2218ba49b8ef98e7affdcab912f84ade) )
ROM_LOAD( "mxl3-4v.rom", 0x10000, 0x4000, CRC(918487aa) SHA1(47ba6914722a253f65c733b5edff4d15e73ea6c2) )
ROM_REGION( 0x0060, "proms", 0 )
ROM_LOAD( "mra3.prm", 0x0000, 0x0020, CRC(ae7e1a63) SHA1(f5596db77c1e352ef7845465db3e54e19cd5df9e) )
ROM_LOAD( "mrb3.prm", 0x0020, 0x0020, CRC(e3f3d0f5) SHA1(182b06c9db5bec1e3030f705247763bd2380ba83) )
ROM_END
DRIVER_INIT_MEMBER(mirax_state,mirax)
{
uint8_t *DATA = memregion("data_code")->base();
uint8_t *ROM = memregion("maincpu")->base();
int i;
for(i=0x0000;i<0x4000;i++)
ROM[bitswap<16>(i, 15,14,13,12,11,10,9, 5,7,6,8, 4,3,2,1,0)] = (bitswap<8>(DATA[i], 1, 3, 7, 0, 5, 6, 4, 2) ^ 0xff);
for(i=0x4000;i<0x8000;i++)
ROM[bitswap<16>(i, 15,14,13,12,11,10,9, 5,7,6,8, 4,3,2,1,0)] = (bitswap<8>(DATA[i], 2, 1, 0, 6, 7, 5, 3, 4) ^ 0xff);
for(i=0x8000;i<0xc000;i++)
ROM[bitswap<16>(i, 15,14,13,12,11,10,9, 5,7,6,8, 4,3,2,1,0)] = (bitswap<8>(DATA[i], 1, 3, 7, 0, 5, 6, 4, 2) ^ 0xff);
}
GAME( 1985, mirax, 0, mirax, mirax, mirax_state, mirax, ROT90, "Current Technologies", "Mirax (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1985, miraxa, mirax, mirax, miraxa, mirax_state, mirax, ROT90, "Current Technologies", "Mirax (set 2)", MACHINE_SUPPORTS_SAVE )