/* **************************************************** Mirax (C)1985 Current Technologies skeleton driver by Tomasz Slanina analog[AT]op[DOT]pl 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 The End ************************************************ */ #include "driver.h" #include "cpu/z80/z80.h" #include "deprecat.h" #include "sound/ay8910.h" static UINT8 nSndNum; static UINT8 nAyCtrl, nAyData; static VIDEO_START(mirax) { } static VIDEO_UPDATE(mirax) { #ifdef MAME_DEBUG //audio tester if(input_code_pressed_once(KEYCODE_Q)) { cpu_set_input_line(screen->machine->cpu[0], INPUT_LINE_NMI, PULSE_LINE); } #endif return 0; } static SOUND_START(mirax) { nSndNum = 0x10; nAyCtrl = 0x00; nAyData = 0x00; } static READ8_HANDLER(snd_read) { /* bit 6 is used to select AY (1st or 2nd) */ return nSndNum++; } static WRITE8_HANDLER(audio_w) { if(cpu_get_previouspc(space->cpu)==0x2fd) { nAyCtrl=offset; nAyData=data; } } static WRITE8_DEVICE_HANDLER(ay_sel) { if(cpu_get_previouspc(device->machine->cpu[0])==0x309) { ay8910_address_w(device,0,nAyCtrl); ay8910_data_w(device,0,nAyData); } } static ADDRESS_MAP_START( memory_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x1fff) AM_ROM AM_RANGE(0x8000, 0x8fff) AM_RAM AM_RANGE(0xa000, 0xa000) AM_READ(snd_read) AM_RANGE(0xe000, 0xe000) AM_DEVWRITE("ay1", ay_sel) //1st ay ? AM_RANGE(0xe001, 0xe001) AM_WRITENOP AM_RANGE(0xe003, 0xe003) AM_WRITENOP AM_RANGE(0xe400, 0xe400) AM_DEVWRITE("ay2", ay_sel) //2nd ay ? AM_RANGE(0xe401, 0xe401) AM_WRITENOP AM_RANGE(0xe403, 0xe403) AM_WRITENOP AM_RANGE(0xf900, 0xf9ff) AM_WRITE(audio_w) ADDRESS_MAP_END static ADDRESS_MAP_START( io_map, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_END static const gfx_layout layout16 = { 16,16, RGN_FRAC(1,3), 3, { 0,RGN_FRAC(1,3),RGN_FRAC(2,3)}, { 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, { 0, RGN_FRAC(1,3), RGN_FRAC(2,3)}, { 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, 1 ) GFXDECODE_ENTRY( "gfx2", 0, layout16, 0, 1 ) GFXDECODE_ENTRY( "gfx3", 0, layout16, 0, 1 ) GFXDECODE_END static INPUT_PORTS_START( mirax ) INPUT_PORTS_END static MACHINE_DRIVER_START( mirax ) MDRV_CPU_ADD("maincpu", Z80, 12000000) // audio cpu ? MDRV_CPU_PROGRAM_MAP(memory_map,0) MDRV_CPU_IO_MAP(io_map,0) MDRV_CPU_VBLANK_INT_HACK(irq0_line_hold, 2) /* video hardware */ MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(256, 256) MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1) MDRV_PALETTE_LENGTH(256) MDRV_GFXDECODE(mirax) MDRV_VIDEO_START(mirax) MDRV_VIDEO_UPDATE(mirax) MDRV_SOUND_START(mirax) MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ay1", AY8910, 12000000/6 /* guess */) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MDRV_SOUND_ADD("ay2", AY8910, 12000000/6 /* guess */) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MACHINE_DRIVER_END ROM_START( mirax ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "mxr2-4v.rom", 0x0000, 0x2000, CRC(cd2d52dc) SHA1(0d4181dc68beac338f47a2065c7b755008877896) ) ROM_REGION( 0xc000, "gfx1", ROMREGION_DISPOSE ) 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( 0xc000, "gfx2", ROMREGION_DISPOSE ) ROM_LOAD( "mxe2-4v.rom", 0x0000, 0x4000, CRC(2cf5d8b7) SHA1(f66bce4d413a48f6ae07974870dc0f31eefa68e9) ) ROM_LOAD( "mxf2-4v.rom", 0x4000, 0x4000, CRC(1f42c7fa) SHA1(33e56c6ddf7676a12f57de87ec740c6b6eb1cc8c) ) ROM_LOAD( "mxh2-4v.rom", 0x8000, 0x4000, CRC(cbaff4c6) SHA1(2dc4a1f51b28e98be0cfb5ab7576047c748b6728) ) ROM_REGION( 0xc000, "gfx3", ROMREGION_DISPOSE ) ROM_LOAD( "mxf3-4v.rom", 0x0000, 0x4000, CRC(14b1ca85) SHA1(775a4c81a81b78490d45095af31e24c16886f0a2) ) ROM_LOAD( "mxi3-4v.rom", 0x4000, 0x4000, CRC(20fb2099) SHA1(da6bbd5d2218ba49b8ef98e7affdcab912f84ade) ) ROM_LOAD( "mxl3-4v.rom", 0x8000, 0x4000, CRC(918487aa) SHA1(47ba6914722a253f65c733b5edff4d15e73ea6c2) ) ROM_REGION( 0xc000, "user1", 0 ) 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( 0x0060, "proms", 0 ) // data ? encrypted roms for cpu1 ? 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 ) ROM_END GAME( 1985, mirax, 0, mirax, mirax, 0, ROT90, "Current Technologies", "Mirax", GAME_NOT_WORKING)