diff options
Diffstat (limited to 'src/mame/drivers/mirax.c')
-rw-r--r-- | src/mame/drivers/mirax.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/mame/drivers/mirax.c b/src/mame/drivers/mirax.c new file mode 100644 index 00000000000..47b9a16fe3e --- /dev/null +++ b/src/mame/drivers/mirax.c @@ -0,0 +1,237 @@ +/* +**************************************************** +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 "sound/ay8910.h" + +static int nSndNum=0x10; +static int nAyCtrl, nAyData; + +static VIDEO_START(mirax) +{ +} + + +static VIDEO_UPDATE(mirax) +{ +#ifdef MAME_DEBUG + //audio tester + if(input_code_pressed_once(KEYCODE_Q)) + { + cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE); + } +#endif + return 0; +} + + +static READ8_HANDLER(snd_read) +{ + /* bit 6 is used to select AY (1st or 2nd) */ + + return nSndNum++; +} + +static WRITE8_HANDLER(audio_w) +{ + if(activecpu_get_previouspc()==0x2fd) + { + nAyCtrl=offset; + nAyData=data; + } +} + + +static WRITE8_HANDLER(ay1_sel) +{ + if(activecpu_get_previouspc()==0x309) + { + AY8910_control_port_0_w(0,nAyCtrl); + AY8910_write_port_0_w(0,nAyData); + } +} + +static WRITE8_HANDLER(ay2_sel) +{ + + if(activecpu_get_previouspc()==0x309) + { + AY8910_control_port_1_w(0,nAyCtrl); + AY8910_write_port_1_w(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_WRITE(ay1_sel) //1st ay ? + AM_RANGE(0xe001, 0xe001) AM_WRITENOP + AM_RANGE(0xe003, 0xe003) AM_WRITENOP + + AM_RANGE(0xe400, 0xe400) AM_WRITE(ay2_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 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 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( REGION_GFX1, 0, layout8, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, layout16, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX3, 0, layout16, 0, 1 ) +GFXDECODE_END + +static INPUT_PORTS_START( mirax ) + +INPUT_PORTS_END + +static MACHINE_DRIVER_START( mirax ) + MDRV_CPU_ADD(Z80, 12000000) // audio cpu ? + MDRV_CPU_PROGRAM_MAP(memory_map,0) + MDRV_CPU_IO_MAP(io_map,0) + MDRV_CPU_VBLANK_INT(irq0_line_hold, 2) + + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + 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_SPEAKER_STANDARD_MONO("mono") + MDRV_SOUND_ADD(AY8910, 12000000/6 /* guess */) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) + MDRV_SOUND_ADD(AY8910, 12000000/6 /* guess */) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) + +MACHINE_DRIVER_END + +ROM_START( mirax ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "mxr2-4v.rom", 0x0000, 0x2000, CRC(cd2d52dc) SHA1(0d4181dc68beac338f47a2065c7b755008877896) ) + + ROM_REGION( 0xc000, REGION_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, REGION_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, REGION_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, REGION_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, REGION_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) |