diff options
Diffstat (limited to 'src/mame/drivers/pbaction.c')
-rw-r--r-- | src/mame/drivers/pbaction.c | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/src/mame/drivers/pbaction.c b/src/mame/drivers/pbaction.c new file mode 100644 index 00000000000..d02143ad866 --- /dev/null +++ b/src/mame/drivers/pbaction.c @@ -0,0 +1,425 @@ +/*************************************************************************** + +Pinball Action memory map (preliminary) + +driver by Nicola Salmoria + + +0000-9fff ROM +d000-d3ff Video RAM +d400-d7ff Color RAM +d800-dbff Background Video RAM +dc00-dfff Background Color RAM +e000-e07f Sprites +e400-e5ff Palette RAM + +read: +e600 IN0 +e601 IN1 +e602 IN2 +e604 DSW1 +e605 DSW2 +e606 watchdog reset???? + +write: +e600 interrupt enable +e604 flip screen +e606 bg scroll? not sure +e800 command for the sound CPU + + +Notes: +- pbactio2 has a ROM for a third Z80, not emulated, function unknown + +***************************************************************************/ + +#include "driver.h" +#include "sound/ay8910.h" +#include "machine/segacrpt.h" + + +extern UINT8 *pbaction_videoram2,*pbaction_colorram2; + +extern WRITE8_HANDLER( pbaction_videoram_w ); +extern WRITE8_HANDLER( pbaction_colorram_w ); +extern WRITE8_HANDLER( pbaction_videoram2_w ); +extern WRITE8_HANDLER( pbaction_colorram2_w ); +extern WRITE8_HANDLER( pbaction_flipscreen_w ); +extern WRITE8_HANDLER( pbaction_scroll_w ); + +extern VIDEO_START( pbaction ); +extern VIDEO_UPDATE( pbaction ); + + +static WRITE8_HANDLER( pbaction_sh_command_w ) +{ + soundlatch_w(offset,data); + cpunum_set_input_line_and_vector(1,0,HOLD_LINE,0x00); +} + + +static UINT8 *work_ram; + + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0x8000, 0xbfff) AM_READ(MRA8_ROM) + AM_RANGE(0xc000, 0xdfff) AM_READ(MRA8_RAM) + AM_RANGE(0xe000, 0xe07f) AM_READ(MRA8_RAM) + AM_RANGE(0xe400, 0xe5ff) AM_READ(MRA8_RAM) + AM_RANGE(0xe600, 0xe600) AM_READ(input_port_0_r) /* IN0 */ + AM_RANGE(0xe601, 0xe601) AM_READ(input_port_1_r) /* IN1 */ + AM_RANGE(0xe602, 0xe602) AM_READ(input_port_2_r) /* IN2 */ + AM_RANGE(0xe604, 0xe604) AM_READ(input_port_3_r) /* DSW1 */ + AM_RANGE(0xe605, 0xe605) AM_READ(input_port_4_r) /* DSW2 */ + AM_RANGE(0xe606, 0xe606) AM_READ(MRA8_NOP) /* ??? */ +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x8000, 0xbfff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xc000, 0xcfff) AM_WRITE(MWA8_RAM) AM_BASE(&work_ram) + AM_RANGE(0xd000, 0xd3ff) AM_WRITE(pbaction_videoram2_w) AM_BASE(&pbaction_videoram2) + AM_RANGE(0xd400, 0xd7ff) AM_WRITE(pbaction_colorram2_w) AM_BASE(&pbaction_colorram2) + AM_RANGE(0xd800, 0xdbff) AM_WRITE(pbaction_videoram_w) AM_BASE(&videoram) + AM_RANGE(0xdc00, 0xdfff) AM_WRITE(pbaction_colorram_w) AM_BASE(&colorram) + AM_RANGE(0xe000, 0xe07f) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size) + AM_RANGE(0xe400, 0xe5ff) AM_WRITE(paletteram_xxxxBBBBGGGGRRRR_le_w) AM_BASE(&paletteram) + AM_RANGE(0xe600, 0xe600) AM_WRITE(interrupt_enable_w) + AM_RANGE(0xe604, 0xe604) AM_WRITE(pbaction_flipscreen_w) + AM_RANGE(0xe606, 0xe606) AM_WRITE(pbaction_scroll_w) + AM_RANGE(0xe800, 0xe800) AM_WRITE(pbaction_sh_command_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x1fff) AM_READ(MRA8_ROM) + AM_RANGE(0x4000, 0x47ff) AM_READ(MRA8_RAM) + AM_RANGE(0x8000, 0x8000) AM_READ(soundlatch_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x1fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x4000, 0x47ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0xffff, 0xffff) AM_WRITE(MWA8_NOP) /* watchdog? */ +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( sound_writeport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x10, 0x10) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0x11, 0x11) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0x20, 0x20) AM_WRITE(AY8910_control_port_1_w) + AM_RANGE(0x21, 0x21) AM_WRITE(AY8910_write_port_1_w) + AM_RANGE(0x30, 0x30) AM_WRITE(AY8910_control_port_2_w) + AM_RANGE(0x31, 0x31) AM_WRITE(AY8910_write_port_2_w) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( pbaction ) + PORT_START /* IN0 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON3 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON4 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON2 ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + + PORT_START /* IN1 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_COCKTAIL + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + + PORT_START /* IN2 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + + PORT_START /* DSW0 */ + PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coin_B ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Coin_A ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_3C ) ) + PORT_DIPNAME( 0x30, 0x00, DEF_STR( Lives ) ) + PORT_DIPSETTING( 0x30, "2" ) + PORT_DIPSETTING( 0x00, "3" ) + PORT_DIPSETTING( 0x10, "4" ) + PORT_DIPSETTING( 0x20, "5" ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Cabinet ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START /* DSW1 */ + PORT_DIPNAME( 0x07, 0x00, DEF_STR( Bonus_Life ) ) + PORT_DIPSETTING( 0x01, "70K 200K 1000K" ) + PORT_DIPSETTING( 0x00, "70K 200K" ) + PORT_DIPSETTING( 0x04, "100K 300K 1000K" ) + PORT_DIPSETTING( 0x03, "100K 300K" ) + PORT_DIPSETTING( 0x02, "100K" ) + PORT_DIPSETTING( 0x06, "200K 1000K" ) + PORT_DIPSETTING( 0x05, "200K" ) + PORT_DIPSETTING( 0x07, DEF_STR( None ) ) + PORT_DIPNAME( 0x08, 0x00, "Extra" ) + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Hard ) ) + PORT_DIPNAME( 0x30, 0x00, "Difficulty (Flippers)" ) + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Medium ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x30, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0xc0, 0x00, "Difficulty (Outlanes)" ) + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Medium ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0xc0, DEF_STR( Hardest ) ) +INPUT_PORTS_END + + + +static const gfx_layout charlayout1 = +{ + 8,8, /* 8*8 characters */ + 1024, /* 1024 characters */ + 3, /* 3 bits per pixel */ + { 0, 1024*8*8, 2*1024*8*8 }, /* the bitplanes are separated */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, /* pretty straightforward layout */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 /* every char takes 8 consecutive bytes */ +}; +static const gfx_layout charlayout2 = +{ + 8,8, /* 8*8 characters */ + 2048, /* 2048 characters */ + 4, /* 4 bits per pixel */ + { 0, 2048*8*8, 2*2048*8*8, 3*2048*8*8 }, /* the bitplanes are separated */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, /* pretty straightforward layout */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 /* every char takes 8 consecutive bytes */ +}; +static const gfx_layout spritelayout1 = +{ + 16,16, /* 16*16 sprites */ + 128, /* 128 sprites */ + 3, /* 3 bits per pixel */ + { 0, 256*16*16, 2*256*16*16 }, /* the bitplanes are separated */ + { 0, 1, 2, 3, 4, 5, 6, 7, /* pretty straightforward layout */ + 8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, + 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 }, + 32*8 /* every sprite takes 32 consecutive bytes */ +}; +static const gfx_layout spritelayout2 = +{ + 32,32, /* 32*32 sprites */ + 32, /* 32 sprites */ + 3, /* 3 bits per pixel */ + { 0*64*32*32, 1*64*32*32, 2*64*32*32 }, /* the bitplanes are separated */ + { 0, 1, 2, 3, 4, 5, 6, 7, /* pretty straightforward layout */ + 8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7, + 32*8+0, 32*8+1, 32*8+2, 32*8+3, 32*8+4, 32*8+5, 32*8+6, 32*8+7, + 40*8+0, 40*8+1, 40*8+2, 40*8+3, 40*8+4, 40*8+5, 40*8+6, 40*8+7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, + 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8, + 64*8, 65*8, 66*8, 67*8, 68*8, 69*8, 70*8, 71*8, + 80*8, 81*8, 82*8, 83*8, 84*8, 85*8, 86*8, 87*8 }, + 128*8 /* every sprite takes 128 consecutive bytes */ +}; + + + +static GFXDECODE_START( pbaction ) + GFXDECODE_ENTRY( REGION_GFX1, 0x00000, charlayout1, 0, 16 ) /* 0-127 characters */ + GFXDECODE_ENTRY( REGION_GFX2, 0x00000, charlayout2, 128, 8 ) /* 128-255 background */ + GFXDECODE_ENTRY( REGION_GFX3, 0x00000, spritelayout1, 0, 16 ) /* 0-127 normal sprites */ + GFXDECODE_ENTRY( REGION_GFX3, 0x01000, spritelayout2, 0, 16 ) /* 0-127 large sprites */ +GFXDECODE_END + + +static INTERRUPT_GEN( pbaction_interrupt ) +{ + cpunum_set_input_line_and_vector(1, 0, HOLD_LINE, 0x02); /* the CPU is in Interrupt Mode 2 */ +} + + +static MACHINE_DRIVER_START( pbaction ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80, 4000000) /* 4 MHz? */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) + + MDRV_CPU_ADD(Z80, 3072000) + /* audio CPU */ + MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem) + MDRV_CPU_IO_MAP(0,sound_writeport) + MDRV_CPU_VBLANK_INT(pbaction_interrupt,2) /* ??? */ + /* IRQs are caused by the main CPU */ + 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(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + MDRV_GFXDECODE(pbaction) + MDRV_PALETTE_LENGTH(256) + + MDRV_VIDEO_START(pbaction) + MDRV_VIDEO_UPDATE(pbaction) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(AY8910, 1500000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + MDRV_SOUND_ADD(AY8910, 1500000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + MDRV_SOUND_ADD(AY8910, 1500000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) +MACHINE_DRIVER_END + + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( pbaction ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "b-p7.bin", 0x0000, 0x4000, CRC(8d6dcaae) SHA1(c9e605f9d291cb8c7163655ea96c605b7d30365f) ) + ROM_LOAD( "b-n7.bin", 0x4000, 0x4000, CRC(d54d5402) SHA1(a4c3205bfe5fba8bb1ff3ad15941a77c35b44a27) ) + ROM_LOAD( "b-l7.bin", 0x8000, 0x2000, CRC(e7412d68) SHA1(e75731d9bea80e0dc09798dd46e3b947fdb54aaa) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for sound board */ + ROM_LOAD( "a-e3.bin", 0x0000, 0x2000, CRC(0e53a91f) SHA1(df2827197cd55c3685e5ac8b26c20800623cb932) ) + + ROM_REGION( 0x06000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "a-s6.bin", 0x00000, 0x2000, CRC(9a74a8e1) SHA1(bd27439b91f41db3fd7eedb44e828d61b793bda0) ) + ROM_LOAD( "a-s7.bin", 0x02000, 0x2000, CRC(5ca6ad3c) SHA1(7c8eff087f18cc2ff0572ea45e681a3a1ec94fad) ) + ROM_LOAD( "a-s8.bin", 0x04000, 0x2000, CRC(9f00b757) SHA1(74b6d926b8f456c8d0101f0232c5d3662423b396) ) + + ROM_REGION( 0x10000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "a-j5.bin", 0x00000, 0x4000, CRC(21efe866) SHA1(0c0a05a26d793ba98b0f421d464ff4b1d301ff9e) ) + ROM_LOAD( "a-j6.bin", 0x04000, 0x4000, CRC(7f984c80) SHA1(18795ecbcd2da94f1cfcce5559d652388d1b8bc0) ) + ROM_LOAD( "a-j7.bin", 0x08000, 0x4000, CRC(df69e51b) SHA1(52ab15c63332f0fa98884fa9adc8d35b93c939c4) ) + ROM_LOAD( "a-j8.bin", 0x0c000, 0x4000, CRC(0094cb8b) SHA1(58f48d24903b797e8451bf231f9e8df621685d9f) ) + + ROM_REGION( 0x06000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "b-c7.bin", 0x00000, 0x2000, CRC(d1795ef5) SHA1(69ad8e419e340d2f548468ed7838102789b978da) ) + ROM_LOAD( "b-d7.bin", 0x02000, 0x2000, CRC(f28df203) SHA1(060f70ed6386c808303a488c97691257681bd8f3) ) + ROM_LOAD( "b-f7.bin", 0x04000, 0x2000, CRC(af6e9817) SHA1(56f47d25761b3850c49a3a81b5ea35f12bd77b14) ) +ROM_END + + +ROM_START( pbactio2 ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "pba16.bin", 0x0000, 0x4000, CRC(4a239ebd) SHA1(74e6da0485ac78093b4f09953fa3accb14bc3e43) ) + ROM_LOAD( "pba15.bin", 0x4000, 0x4000, CRC(3afef03a) SHA1(dec714415d2fd00c9021171a48f6c94b40888ae8) ) + ROM_LOAD( "pba14.bin", 0x8000, 0x2000, CRC(c0a98c8a) SHA1(442f37af31db13fd98602dd7f9eeae5529da0f44) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for sound board */ + ROM_LOAD( "pba1.bin", 0x0000, 0x2000, CRC(8b69b933) SHA1(eb0762579d52ed9f5b1a002ffe7e517c59650e22) ) + + ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 64k for a third Z80 (not emulated) */ + ROM_LOAD( "pba17.bin", 0x0000, 0x4000, CRC(2734ae60) SHA1(4edcdfac1611c49c4f890609efbe8352b8161f8e) ) + + ROM_REGION( 0x06000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "a-s6.bin", 0x00000, 0x2000, CRC(9a74a8e1) SHA1(bd27439b91f41db3fd7eedb44e828d61b793bda0) ) + ROM_LOAD( "a-s7.bin", 0x02000, 0x2000, CRC(5ca6ad3c) SHA1(7c8eff087f18cc2ff0572ea45e681a3a1ec94fad) ) + ROM_LOAD( "a-s8.bin", 0x04000, 0x2000, CRC(9f00b757) SHA1(74b6d926b8f456c8d0101f0232c5d3662423b396) ) + + ROM_REGION( 0x10000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "a-j5.bin", 0x00000, 0x4000, CRC(21efe866) SHA1(0c0a05a26d793ba98b0f421d464ff4b1d301ff9e) ) + ROM_LOAD( "a-j6.bin", 0x04000, 0x4000, CRC(7f984c80) SHA1(18795ecbcd2da94f1cfcce5559d652388d1b8bc0) ) + ROM_LOAD( "a-j7.bin", 0x08000, 0x4000, CRC(df69e51b) SHA1(52ab15c63332f0fa98884fa9adc8d35b93c939c4) ) + ROM_LOAD( "a-j8.bin", 0x0c000, 0x4000, CRC(0094cb8b) SHA1(58f48d24903b797e8451bf231f9e8df621685d9f) ) + + ROM_REGION( 0x06000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "b-c7.bin", 0x00000, 0x2000, CRC(d1795ef5) SHA1(69ad8e419e340d2f548468ed7838102789b978da) ) + ROM_LOAD( "b-d7.bin", 0x02000, 0x2000, CRC(f28df203) SHA1(060f70ed6386c808303a488c97691257681bd8f3) ) + ROM_LOAD( "b-f7.bin", 0x04000, 0x2000, CRC(af6e9817) SHA1(56f47d25761b3850c49a3a81b5ea35f12bd77b14) ) +ROM_END + +ROM_START( pbactio3 ) + ROM_REGION( 2*0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "14.bin", 0x0000, 0x4000, CRC(f17a62eb) SHA1(8dabfc0ad127c154c0293a65df32d52d57dd9755) ) + ROM_LOAD( "12.bin", 0x4000, 0x4000, CRC(ec3c64c6) SHA1(6130b80606d717f95e219316c2d3fa0a1980ea1d) ) + ROM_LOAD( "13.bin", 0x8000, 0x4000, CRC(c93c851e) SHA1(b41077708fce4ccbcecdeae32af8821ca5322e87) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for sound board */ + ROM_LOAD( "pba1.bin", 0x0000, 0x2000, CRC(8b69b933) SHA1(eb0762579d52ed9f5b1a002ffe7e517c59650e22) ) + + ROM_REGION( 0x06000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "a-s6.bin", 0x00000, 0x2000, CRC(9a74a8e1) SHA1(bd27439b91f41db3fd7eedb44e828d61b793bda0) ) + ROM_LOAD( "a-s7.bin", 0x02000, 0x2000, CRC(5ca6ad3c) SHA1(7c8eff087f18cc2ff0572ea45e681a3a1ec94fad) ) + ROM_LOAD( "a-s8.bin", 0x04000, 0x2000, CRC(9f00b757) SHA1(74b6d926b8f456c8d0101f0232c5d3662423b396) ) + + ROM_REGION( 0x10000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "a-j5.bin", 0x00000, 0x4000, CRC(21efe866) SHA1(0c0a05a26d793ba98b0f421d464ff4b1d301ff9e) ) + ROM_LOAD( "a-j6.bin", 0x04000, 0x4000, CRC(7f984c80) SHA1(18795ecbcd2da94f1cfcce5559d652388d1b8bc0) ) + ROM_LOAD( "a-j7.bin", 0x08000, 0x4000, CRC(df69e51b) SHA1(52ab15c63332f0fa98884fa9adc8d35b93c939c4) ) + ROM_LOAD( "a-j8.bin", 0x0c000, 0x4000, CRC(0094cb8b) SHA1(58f48d24903b797e8451bf231f9e8df621685d9f) ) + + ROM_REGION( 0x06000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "b-c7.bin", 0x00000, 0x2000, CRC(d1795ef5) SHA1(69ad8e419e340d2f548468ed7838102789b978da) ) + ROM_LOAD( "b-d7.bin", 0x02000, 0x2000, CRC(f28df203) SHA1(060f70ed6386c808303a488c97691257681bd8f3) ) + ROM_LOAD( "b-f7.bin", 0x04000, 0x2000, CRC(af6e9817) SHA1(56f47d25761b3850c49a3a81b5ea35f12bd77b14) ) +ROM_END + + +static READ8_HANDLER( pbactio3_prot_kludge_r ) +{ + /* on startup, the game expect this location to NOT act as RAM */ + if (activecpu_get_pc() == 0xab80) + return 0; + + return work_ram[0]; +} + +static DRIVER_INIT( pbactio3 ) +{ + int i; + UINT8 *rom = memory_region(REGION_CPU1); + + /* first of all, do a simple bitswap */ + for (i = 0;i < 0xc000;i++) + { + rom[i] = BITSWAP8(rom[i], 7,6,5,4,1,2,3,0); + } + + /* then do the standard Sega decryption */ + pbaction_decode(); + + /* install a protection (?) workaround */ + memory_install_read8_handler(0, ADDRESS_SPACE_PROGRAM, 0xc000, 0xc000, 0, 0, pbactio3_prot_kludge_r ); +} + + +GAME( 1985, pbaction, 0, pbaction, pbaction, 0, ROT90, "Tehkan", "Pinball Action (set 1)", 0 ) +GAME( 1985, pbactio2, pbaction, pbaction, pbaction, 0, ROT90, "Tehkan", "Pinball Action (set 2)", 0 ) +GAME( 1985, pbactio3, pbaction, pbaction, pbaction, pbactio3, ROT90, "Tehkan", "Pinball Action (set 3, encrypted)", 0 ) |