diff options
Diffstat (limited to 'src/mame/drivers/hexion.c')
-rw-r--r-- | src/mame/drivers/hexion.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/src/mame/drivers/hexion.c b/src/mame/drivers/hexion.c new file mode 100644 index 00000000000..a3b45e8c0c8 --- /dev/null +++ b/src/mame/drivers/hexion.c @@ -0,0 +1,341 @@ +/*************************************************************************** + +Hexion (GX122) (c) 1992 Konami + +driver by Nicola Salmoria + +Notes: +- There are probably palette PROMs missing. Palette data doesn't seem to be + written anywhere in RAM. +- The board has a 052591, which is used for protection in Thunder Cross and + S.P.Y. In this game, however, the only thing it seems to do is clear the + screen. + This is the program for the 052591: +00: 5f 80 01 e0 08 +01: df 80 00 e0 0c +02: df 90 02 e0 0c +03: df a0 03 e0 0c +04: df b0 0f e0 0c +05: df c0 ff bf 0c +06: 5c 02 00 33 0c +07: 5f 80 04 80 0c +08: 5c 0e 00 2b 0c +09: df 70 00 cb 08 +0a: 5f 80 00 80 0c +0b: 5c 04 00 2b 0c +0c: df 60 00 cb 08 +0d: 5c 0c 1f e9 0c +0e: 4c 0c 2d e9 08 +0f: 5f 80 03 80 0c +10: 5c 04 00 2b 0c +11: 5f 00 00 cb 00 +12: 5f 80 02 a0 0c +13: df d0 00 c0 04 +14: 01 3a 00 f3 0a +15: 5c 08 00 b3 0c +16: 5c 0e 00 13 0c +17: 5f 80 00 a0 0c +18: 5c 00 00 13 0c +19: 5c 08 00 b3 0c +1a: 5c 00 00 13 0c +1b: 84 5a 00 b3 0c +1c: 48 0a 5b d1 0c +1d: 5f 80 00 e0 08 +1e: 5f 00 1e fd 0c +1f: 5f 80 01 a0 0c +20: df 20 00 cb 08 +21: 5c 08 00 b3 0c +22: 5f 80 03 00 0c +23: 5c 08 00 b3 0c +24: 5f 80 00 80 0c +25: 5c 00 00 33 0c +26: 5c 08 00 93 0c +27: 9f 91 ff cf 0e +28: 5c 84 00 20 0c +29: 84 00 00 b3 0c +2a: 49 10 69 d1 0c +2b: 5f 80 00 e0 08 +2c: 5f 00 2c fd 0c +2d: 5f 80 01 a0 0c +2e: df 20 00 cb 08 +2f: 5c 08 00 b3 0c +30: 5f 80 03 00 0c +31: 5c 00 00 b3 0c +32: 5f 80 01 00 0c +33: 5c 08 00 b3 0c +34: 5f 80 00 80 0c +35: 5c 00 00 33 0c +36: 5c 08 00 93 0c +37: 9f 91 ff cf 0e +38: 5c 84 00 20 0c +39: 84 00 00 b3 0c +3a: 49 10 79 d1 0c +3b: 5f 80 00 e0 08 +3c: 5f 00 3c fd 0c +3d: ff ff ff ff ff +3e: ff ff ff ff ff +3f: ff ff ff ff ff + +***************************************************************************/ + +#include "driver.h" +#include "sound/okim6295.h" +#include "sound/k051649.h" + + +VIDEO_START( hexion ); +VIDEO_UPDATE( hexion ); + +WRITE8_HANDLER( hexion_bankswitch_w ); +READ8_HANDLER( hexion_bankedram_r ); +WRITE8_HANDLER( hexion_bankedram_w ); +WRITE8_HANDLER( hexion_bankctrl_w ); +WRITE8_HANDLER( hexion_gfxrom_select_w ); + + + +static WRITE8_HANDLER( coincntr_w ) +{ +//logerror("%04x: coincntr_w %02x\n",activecpu_get_pc(),data); + + /* bits 0/1 = coin counters */ + coin_counter_w(0,data & 0x01); + coin_counter_w(1,data & 0x02); + + /* bit 5 = flip screen */ + flip_screen_set(data & 0x20); + + /* other bit unknown */ +if ((data & 0xdc) != 0x10) popmessage("coincntr %02x",data); +} + + + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0x8000, 0x9fff) AM_READ(MRA8_BANK1) + AM_RANGE(0xa000, 0xbfff) AM_READ(MRA8_RAM) + AM_RANGE(0xc000, 0xdffe) AM_READ(hexion_bankedram_r) + AM_RANGE(0xf400, 0xf400) AM_READ(input_port_0_r) + AM_RANGE(0xf401, 0xf401) AM_READ(input_port_1_r) + AM_RANGE(0xf402, 0xf402) AM_READ(input_port_3_r) + AM_RANGE(0xf403, 0xf403) AM_READ(input_port_4_r) + AM_RANGE(0xf440, 0xf440) AM_READ(input_port_2_r) + AM_RANGE(0xf441, 0xf441) AM_READ(input_port_5_r) + AM_RANGE(0xf540, 0xf540) AM_READ(watchdog_reset_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xa000, 0xbfff) AM_WRITE(MWA8_RAM) + AM_RANGE(0xc000, 0xdffe) AM_WRITE(hexion_bankedram_w) + AM_RANGE(0xdfff, 0xdfff) AM_WRITE(hexion_bankctrl_w) + AM_RANGE(0xe800, 0xe87f) AM_WRITE(K051649_waveform_w) + AM_RANGE(0xe880, 0xe889) AM_WRITE(K051649_frequency_w) + AM_RANGE(0xe88a, 0xe88e) AM_WRITE(K051649_volume_w) + AM_RANGE(0xe88f, 0xe88f) AM_WRITE(K051649_keyonoff_w) + AM_RANGE(0xf000, 0xf00f) AM_WRITE(MWA8_NOP) /* 053252? f00e = IRQ ack, f00f = NMI ack */ + AM_RANGE(0xf200, 0xf200) AM_WRITE(OKIM6295_data_0_w) + AM_RANGE(0xf480, 0xf480) AM_WRITE(hexion_bankswitch_w) + AM_RANGE(0xf4c0, 0xf4c0) AM_WRITE(coincntr_w) + AM_RANGE(0xf500, 0xf500) AM_WRITE(hexion_gfxrom_select_w) +ADDRESS_MAP_END + + + +static INPUT_PORTS_START( hexion ) + PORT_START + PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) ) + PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) ) + PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) ) + PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) ) + PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) ) + PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) ) + PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) ) + PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) ) + PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) ) + PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + + PORT_START + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x70, 0x70, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x70, DEF_STR( Easiest ) ) + PORT_DIPSETTING( 0x60, DEF_STR( Very_Easy) ) + PORT_DIPSETTING( 0x50, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Medium ) ) + PORT_DIPSETTING( 0x30, "Medium Hard" ) + PORT_DIPSETTING( 0x20, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Very_Hard ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_SERVICE( 0x04, IP_ACTIVE_LOW ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 ) + + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) + + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* 052591? game waits for it to be 0 */ + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) +INPUT_PORTS_END + + + +static const gfx_layout charlayout = +{ + 8,8, + RGN_FRAC(1,2), + 4, + { 0, 1, 2, 3 }, + { RGN_FRAC(1,2)+0*4, RGN_FRAC(1,2)+1*4, 0*4, 1*4, RGN_FRAC(1,2)+2*4, RGN_FRAC(1,2)+3*4, 2*4, 3*4 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, + 16*8 +}; + +static GFXDECODE_START( hexion ) + GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 16 ) +GFXDECODE_END + + + +static INTERRUPT_GEN( hexion_interrupt ) +{ + /* NMI handles start and coin inputs, origin unknown */ + if (cpu_getiloops()) + cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE); + else + cpunum_set_input_line(0, 0, HOLD_LINE); +} + +static MACHINE_DRIVER_START( hexion ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,24000000/4) /* Z80B 6 MHz */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(hexion_interrupt,3) /* both IRQ and NMI are used */ + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(64*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0*8, 32*8-1) + MDRV_GFXDECODE(hexion) + MDRV_PALETTE_LENGTH(256) + + MDRV_PALETTE_INIT(RRRR_GGGG_BBBB) + MDRV_VIDEO_START(hexion) + MDRV_VIDEO_UPDATE(hexion) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(OKIM6295, 1056000) + MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) + + MDRV_SOUND_ADD(K051649, 24000000/16) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( hexion ) + ROM_REGION( 0x34800, REGION_CPU1, 0 ) /* ROMs + space for additional RAM */ + ROM_LOAD( "122jab01.bin", 0x00000, 0x20000, CRC(eabc6dd1) SHA1(e74c1f1f2fcf8973f0741a2d544f25c8639448bf) ) + ROM_RELOAD( 0x10000, 0x20000 ) /* banked at 8000-9fff */ + + ROM_REGION( 0x80000, REGION_GFX1, 0 ) /* addressable by the main CPU */ + ROM_LOAD( "122a07.bin", 0x00000, 0x40000, CRC(22ae55e3) SHA1(41bdc990f69416b639542e2186a3610c16389063) ) + ROM_LOAD( "122a06.bin", 0x40000, 0x40000, CRC(438f4388) SHA1(9e23805c9642a237daeaf106187d1e1e0692434d) ) + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* OKIM6295 samples */ + ROM_LOAD( "122a05.bin", 0x0000, 0x40000, CRC(bcc831bf) SHA1(c3382065dd0069a4dc0bde2d9931ec85b0bffc73) ) + + ROM_REGION( 0x0300, REGION_PROMS, 0 ) + ROM_LOAD( "122a04.10b", 0x0000, 0x0100, CRC(506eb8c6) SHA1(3bff7cf286942d8bdbc3998245c3de20981fbecb) ) + ROM_LOAD( "122a03.11b", 0x0100, 0x0100, CRC(590c4f64) SHA1(db4b34f8c5fdfea034a94d65873f6fb842f123e9) ) + ROM_LOAD( "122a02.13b", 0x0200, 0x0100, CRC(5734305c) SHA1(c72e59acf79a4db1a5a9d827eef899c0675336f2) ) +ROM_END + + +GAME( 1992, hexion, 0, hexion, hexion, 0, ROT0, "Konami", "Hexion (Japan)", 0 ) |