summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/champbas.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/champbas.c')
-rw-r--r--src/mame/drivers/champbas.c446
1 files changed, 446 insertions, 0 deletions
diff --git a/src/mame/drivers/champbas.c b/src/mame/drivers/champbas.c
new file mode 100644
index 00000000000..7fae02b16df
--- /dev/null
+++ b/src/mame/drivers/champbas.c
@@ -0,0 +1,446 @@
+/***************************************************************************
+
+Championship Baseball
+
+driver by Nicola Salmoria
+ALPHA 8201 MCU handling by Tatsuyuki satoh
+
+TODO:
+ champbb2 , sometime mcu err and ACCESS VIOLATION trap.
+
+champbbj and champbb2 has Alpha8201 mcu for protection.
+champbja is a patched version of champbbj with different protection.
+
+main CPU
+
+0000-5fff ROM
+6000-63ff MCU shared RAM
+7800-7fff ROM (Champion Baseball 2 only)
+8000-83ff Video RAM
+8400-87ff Color RAM
+8800-8fff RAM
+
+read:
+a000 IN0
+a040 IN1
+a080 DSW
+a0a0 ?(same as DSW)
+a0c0 COIN
+
+write:
+7000 8910 write
+7001 8910 control
+8ff0-8fff sprites
+a000 ?
+a006 MCU HALT controll
+a007 NOP (MCU shared RAM switch)
+a060-a06f sprites
+a080 command for the sound CPU
+a0c0 watchdog reset (watchdog time = 16xvblank)
+
+sub CPU (speech DAC)
+
+read:
+0000-5fff ROM
+6000(-7fff) sound latch
+e000-e3ff RAM
+
+write:
+
+8000(-9fff) 4bit status for main CPU
+a000(-bfff) clear sound latch
+c000(-dfff) DAC
+e000-e3ff RAM
+
+***************************************************************************/
+
+#include "driver.h"
+#include "sound/ay8910.h"
+#include "sound/dac.h"
+
+
+extern WRITE8_HANDLER( champbas_videoram_w );
+extern WRITE8_HANDLER( champbas_colorram_w );
+extern WRITE8_HANDLER( champbas_gfxbank_w );
+extern WRITE8_HANDLER( champbas_flipscreen_w );
+
+extern PALETTE_INIT( champbas );
+extern VIDEO_START( champbas );
+extern VIDEO_UPDATE( champbas );
+
+static WRITE8_HANDLER( champbas_dac_w )
+{
+ DAC_signed_data_w(0,data<<2);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// protection handling
+///////////////////////////////////////////////////////////////////////////
+
+static WRITE8_HANDLER( champbas_mcu_halt_w )
+{
+ data &= 1;
+ cpunum_set_input_line(2, INPUT_LINE_HALT, data ? ASSERT_LINE : CLEAR_LINE);
+}
+
+/* champbja another protection */
+static READ8_HANDLER( champbja_alt_protection_r )
+{
+ UINT8 data = 0;
+/*
+(68BA) & 0x99 == 0x00
+(6867) & 0x99 == 0x99
+(68AB) & 0x80 == 0x80
+(6854) & 0x99 == 0x19
+
+BA 1011_1010
+00 0--0_0--0
+
+54 0101_0100
+19 0--1_1--1
+
+67 0110_0111
+99 1--1_1--1
+
+AB 1010_1011
+80 1--0_0--0
+*/
+ /* bit7 = bit0 */
+ if( (offset&0x01) ) data |= 0x80;
+ /* bit4,3,0 = bit6 */
+ if( (offset&0x40) ) data |= 0x19;
+
+ return data;
+}
+
+static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x7000, 0x7000) AM_WRITE(AY8910_write_port_0_w)
+ AM_RANGE(0x7001, 0x7001) AM_WRITE(AY8910_control_port_0_w)
+ AM_RANGE(0x7800, 0x7fff) AM_ROM
+
+ AM_RANGE(0x8000, 0x83ff) AM_WRITE(champbas_videoram_w) AM_READ(MRA8_RAM) AM_BASE(&videoram)
+ AM_RANGE(0x8400, 0x87ff) AM_WRITE(champbas_colorram_w) AM_READ(MRA8_RAM) AM_BASE(&colorram)
+ AM_RANGE(0x8800, 0x8fef) AM_RAM
+ AM_RANGE(0x8ff0, 0x8fff) AM_WRITE(MWA8_RAM) AM_READ(MRA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
+ AM_RANGE(0xa000, 0xa000) AM_WRITE(interrupt_enable_w) AM_READ(input_port_0_r)
+ AM_RANGE(0xa002, 0xa002) AM_WRITE(champbas_gfxbank_w)
+ AM_RANGE(0xa003, 0xa003) AM_WRITE(champbas_flipscreen_w)
+ AM_RANGE(0xa005, 0xa005) AM_NOP
+
+ AM_RANGE(0xa040, 0xa040) AM_READ(input_port_1_r)
+ AM_RANGE(0xa060, 0xa06f) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram_2)
+ AM_RANGE(0xa080, 0xa080) AM_WRITE(soundlatch_w) AM_READ(input_port_2_r)
+/* AM_RANGE(0xa0a0, 0xa0a0) ???? */
+ AM_RANGE(0xa0c0, 0xa0c0) AM_WRITE(watchdog_reset_w) AM_READ(input_port_3_r)
+
+ /* has MCU pcb only */
+ AM_RANGE(0x6000, 0x63ff) AM_RAM AM_SHARE(1)
+/* AM_RANGE(0xa006, 0xa006) AM_WRITE(champbas_mcu_halt_w) */
+ AM_RANGE(0xa007, 0xa007) AM_NOP /* MCU shared RAM switch , but no-hawdrare */
+
+ /* champbja only */
+ AM_RANGE(0x6800, 0x68ff) AM_READ(champbja_alt_protection_r)
+
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sub_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x6000, 0x6000) AM_READ(soundlatch_r)
+ AM_RANGE(0xe000, 0xe3ff) AM_READ(MRA8_RAM)
+/* AM_RANGE(0x8000, 0x8000) AM_WRITE(MWA8_NOP) return low 4bit to main CPU */
+ AM_RANGE(0xa000, 0xa000) AM_WRITE(soundlatch_clear_w)
+ AM_RANGE(0xc000, 0xc000) AM_WRITE(champbas_dac_w)
+ AM_RANGE(0xe000, 0xe3ff) AM_WRITE(MWA8_RAM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( mcu_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x03ff) AM_RAM AM_SHARE(1) /* main CPU shared RAM */
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( champbas )
+ PORT_START /* IN0 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
+
+ PORT_START /* IN1 */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_COCKTAIL
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_COCKTAIL
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
+
+ PORT_START /* DSW */
+ PORT_DIPNAME( 0x03, 0x02, DEF_STR( Coinage ) )
+ PORT_DIPSETTING( 0x03, "A 2/1 B 3/2" )
+ PORT_DIPSETTING( 0x02, "A 1/1 B 2/1")
+ PORT_DIPSETTING( 0x01, "A 1/2 B 1/6" )
+ PORT_DIPSETTING( 0x00, "A 1/3 B 1/6")
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Flip_Screen ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x00, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ))
+ PORT_DIPSETTING( 0x10, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hard ))
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) /* watchdog half over : The game won't boot if set to ON */
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+
+ PORT_START /* COIN */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
+ 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 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+INPUT_PORTS_END
+
+
+
+static const gfx_layout charlayout =
+{
+ 8,8, /* 8*8 characters */
+ 256, /* 256 characters */
+ 2, /* 2 bits per pixel */
+ { 0, 4 }, /* the two bitplanes for 4 pixels are packed into one byte */
+ { 8*8+0, 8*8+1, 8*8+2, 8*8+3, 0, 1, 2, 3 }, /* bits are packed in groups of four */
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 16*8 /* every char takes 16 bytes */
+};
+
+static const gfx_layout spritelayout =
+{
+ 16,16, /* 16*16 sprites */
+ 64, /* 64 sprites */
+ 2, /* 2 bits per pixel */
+ { 0, 4 }, /* the two bitplanes for 4 pixels are packed into one byte */
+ { 8*8, 8*8+1, 8*8+2, 8*8+3, 16*8+0, 16*8+1, 16*8+2, 16*8+3,
+ 24*8+0, 24*8+1, 24*8+2, 24*8+3, 0, 1, 2, 3 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
+ 32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 },
+ 64*8 /* every sprite takes 64 bytes */
+};
+
+static GFXDECODE_START( champbas )
+ GFXDECODE_ENTRY( REGION_GFX1, 0x0000, charlayout, 0, 64 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0x0000, charlayout, 0, 64 )
+ GFXDECODE_ENTRY( REGION_GFX1, 0x1000, spritelayout, 0, 64 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0x1000, spritelayout, 0, 64 )
+GFXDECODE_END
+
+
+
+
+static struct AY8910interface ay8910_interface =
+{
+ input_port_0_r,
+ input_port_1_r
+};
+
+static MACHINE_DRIVER_START( champbas )
+
+ /* basic machine hardware */
+
+ /* main cpu */
+ MDRV_CPU_ADD(Z80, 18432000/6)
+ MDRV_CPU_PROGRAM_MAP(main_map,0)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ /* audio CPU */
+ MDRV_CPU_ADD(Z80, 18432000/6)
+ MDRV_CPU_PROGRAM_MAP(sub_map,0)
+
+ 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(champbas)
+ MDRV_PALETTE_LENGTH(32)
+ MDRV_COLORTABLE_LENGTH(64*4)
+
+ MDRV_PALETTE_INIT(champbas)
+ MDRV_VIDEO_START(champbas)
+ MDRV_VIDEO_UPDATE(champbas)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(AY8910, 18432000/12)
+ MDRV_SOUND_CONFIG(ay8910_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
+
+ MDRV_SOUND_ADD(DAC, 0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.70)
+MACHINE_DRIVER_END
+
+
+static MACHINE_DRIVER_START( champbb2 )
+ /* basic machine hardware */
+ MDRV_IMPORT_FROM(champbas)
+
+ /* MCU */
+ MDRV_CPU_ADD(ALPHA8201, 18432000/6/8)
+ MDRV_CPU_PROGRAM_MAP(mcu_map,0)
+
+ /* to MCU timeout champbbj */
+ MDRV_INTERLEAVE(50)
+MACHINE_DRIVER_END
+
+/* MCU handling */
+static DRIVER_INIT(champbb2)
+{
+ memory_install_write8_handler(0, ADDRESS_SPACE_PROGRAM, 0xa006, 0xa006, 0, 0, champbas_mcu_halt_w);
+}
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( champbas )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "champbb.1", 0x0000, 0x2000, CRC(218de21e) SHA1(7577fd04bdda4666c017f3b36e81ec23bcddd845) )
+ ROM_LOAD( "champbb.2", 0x2000, 0x2000, CRC(5ddd872e) SHA1(68e21572e27707c991180b1bd0a6b31f7b64abf6) )
+ ROM_LOAD( "champbb.3", 0x4000, 0x2000, CRC(f39a7046) SHA1(3097bffe84ac74ce9e6481028a0ebbe8b1d6eaf9) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the speech CPU */
+ ROM_LOAD( "champbb.6", 0x0000, 0x2000, CRC(26ab3e16) SHA1(019b9d34233a6b7a53e204154b782ceb42915d2b) )
+ ROM_LOAD( "champbb.7", 0x2000, 0x2000, CRC(7c01715f) SHA1(b15b2001b8c110f2599eee3aeed79f67686ebd7e) )
+ ROM_LOAD( "champbb.8", 0x4000, 0x2000, CRC(3c911786) SHA1(eea0c467e213d237b5bb9d04b19a418d6090c2dc) )
+
+ ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "champbb.4", 0x0000, 0x2000, CRC(1930fb52) SHA1(cae0b2701c2b53b79e9df3a7496442ba3472e996) )
+
+ ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "champbb.5", 0x0000, 0x2000, CRC(a4cef5a1) SHA1(fa00ed0d075e00992a1ddce3c1327ed74770a735) )
+
+ ROM_REGION( 0x0120, REGION_PROMS, 0 )
+ ROM_LOAD( "champbb.pr2", 0x0000, 0x020, CRC(2585ffb0) SHA1(ce7f62f37955c2bbb4f82b139cc716978b084767) ) /* palette */
+ ROM_LOAD( "champbb.pr1", 0x0020, 0x100, CRC(872dd450) SHA1(6c1e2c4a2fc072f4bf4996c731adb0b01b347506) ) /* look-up table */
+ROM_END
+
+ROM_START( champbbj )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "11.2e", 0x0000, 0x2000, CRC(e2dfc166) SHA1(482e084d7d21b1cf2d17431699e6bab4c4b6ac15) )
+ ROM_LOAD( "12.2g", 0x2000, 0x2000, CRC(7b4e5faa) SHA1(b7201816a819ef313ddc81f312d26982b83ef1c7) )
+ ROM_LOAD( "13.2h", 0x4000, 0x2000, CRC(b201e31f) SHA1(bba3b611ff60ad8d5dd8484df4cfc2026f4fd344) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the speech CPU */
+ ROM_LOAD( "16.2k", 0x0000, 0x2000, CRC(24c482ee) SHA1(c25bdf77014e095fc11a9a6b17f16858f19db451) )
+ ROM_LOAD( "17.2l", 0x2000, 0x2000, CRC(f10b148b) SHA1(d66516d509f6f16e51ee59d27c4867e276064c3f) )
+ ROM_LOAD( "18.2n", 0x4000, 0x2000, CRC(2dc484dd) SHA1(28bd68c787d7e6989849ca52009948dbd5cdcc79) )
+
+ ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "14.5e", 0x0000, 0x2000, CRC(1b8202b3) SHA1(889b77fc3d0cb029baf8c47be260f513f3ed59bd) )
+
+ ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "15.5g", 0x0000, 0x2000, CRC(a67c0c40) SHA1(3845839eff8c1624d26937f28ffde67a5fcb4805) )
+
+ ROM_REGION( 0x0120, REGION_PROMS, 0 )
+ ROM_LOAD( "1e.bpr", 0x0000, 0x0020, CRC(f5ce825e) SHA1(956f580840f1a7d24bfbd72b2929d14e9ee1b660) ) /* palette */
+ ROM_LOAD( "5k.bpr", 0x0020, 0x0100, CRC(2e481ffa) SHA1(bc8979efd43bee8be0ce96ebdacc873a5821e06e) ) /* look-up table */
+ROM_END
+
+ROM_START( champbja )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "10", 0x0000, 0x2000, CRC(f7cdaf8e) SHA1(d4c840f2107394fadbcf822d64aaa381ac900367) )
+ ROM_LOAD( "09", 0x2000, 0x2000, CRC(9d39e5b3) SHA1(11c1a1d2296c0bf16d7610eaa79b034bfd813740) )
+ ROM_LOAD( "08", 0x4000, 0x2000, CRC(53468a0f) SHA1(d4b5ea48b27754eebe593c8b4fcf5bf117f27ae4) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the speech CPU */
+ ROM_LOAD( "16.2k", 0x0000, 0x2000, CRC(24c482ee) SHA1(c25bdf77014e095fc11a9a6b17f16858f19db451) )
+ ROM_LOAD( "17.2l", 0x2000, 0x2000, CRC(f10b148b) SHA1(d66516d509f6f16e51ee59d27c4867e276064c3f) )
+ ROM_LOAD( "18.2n", 0x4000, 0x2000, CRC(2dc484dd) SHA1(28bd68c787d7e6989849ca52009948dbd5cdcc79) )
+
+ ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "14.5e", 0x0000, 0x2000, CRC(1b8202b3) SHA1(889b77fc3d0cb029baf8c47be260f513f3ed59bd) )
+
+ ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "15.5g", 0x0000, 0x2000, CRC(a67c0c40) SHA1(3845839eff8c1624d26937f28ffde67a5fcb4805) )
+
+ ROM_REGION( 0x0120, REGION_PROMS, 0 )
+ ROM_LOAD( "clr", 0x0000, 0x0020, CRC(8f989357) SHA1(d0916fb5ef4b43bdf84663cd403418ffc5e98c17) ) /* palette */
+ ROM_LOAD( "5k.bpr", 0x0020, 0x0100, CRC(2e481ffa) SHA1(bc8979efd43bee8be0ce96ebdacc873a5821e06e) ) /* look-up table */
+ROM_END
+
+ROM_START( champbb2 )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "epr5932", 0x0000, 0x2000, CRC(528e3c78) SHA1(ee300201580c1bace783f1340bd4f1ea2a00dffa) )
+ ROM_LOAD( "epr5929", 0x2000, 0x2000, CRC(17b6057e) SHA1(67c5aed950acf4d045edf39019066af2896265e1) )
+ ROM_LOAD( "epr5930", 0x4000, 0x2000, CRC(b6570a90) SHA1(5a2651aeac986000913b5854792b2d81df6b2fc6) )
+ ROM_LOAD( "epr5931", 0x7800, 0x0800, CRC(0592434d) SHA1(a7f61546c39ffdbff46c4db485c9b3f6eefcf1ac) )
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the speech CPU */
+ ROM_LOAD( "epr5933", 0x0000, 0x2000, CRC(26ab3e16) SHA1(019b9d34233a6b7a53e204154b782ceb42915d2b) )
+ ROM_LOAD( "epr5934", 0x2000, 0x2000, CRC(7c01715f) SHA1(b15b2001b8c110f2599eee3aeed79f67686ebd7e) )
+ ROM_LOAD( "epr5935", 0x4000, 0x2000, CRC(3c911786) SHA1(eea0c467e213d237b5bb9d04b19a418d6090c2dc) )
+
+ ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "epr5936", 0x0000, 0x2000, CRC(c4a4df75) SHA1(7b85dbf405697b0b8881f910c08f6db6c828b19a) )
+
+ ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "epr5937", 0x0000, 0x2000, CRC(5c80ec42) SHA1(9b79737577e48a6b2ec20ce145252545955e82c3) )
+
+ ROM_REGION( 0x0120, REGION_PROMS, 0 )
+ ROM_LOAD( "pr5957", 0x0000, 0x020, CRC(f5ce825e) SHA1(956f580840f1a7d24bfbd72b2929d14e9ee1b660) ) /* palette */
+ ROM_LOAD( "pr5956", 0x0020, 0x100, CRC(872dd450) SHA1(6c1e2c4a2fc072f4bf4996c731adb0b01b347506) ) /* look-up table */
+ROM_END
+
+ROM_START( champb2a )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 )
+ ROM_LOAD( "1.bin", 0x0000, 0x2000, CRC(9b75b44d) SHA1(35b67638a5e48cbe999907e3c9c3a33da9d76bba) )
+ ROM_LOAD( "2.bin", 0x2000, 0x2000, CRC(736a1b62) SHA1(24c2d57506754ca789b378a595c03b7591eb5b5c) )
+ ROM_LOAD( "3.bin", 0x4000, 0x2000, CRC(cf5f28cb) SHA1(d553f2085c9c8c77b241b4239cc1ad1764b490d0) )
+ ROM_LOAD( "4.bin", 0x7800, 0x0800, NO_DUMP )
+
+ /* not in this set, but probably the same */
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the speech CPU */
+ ROM_LOAD( "epr5933", 0x0000, 0x2000, CRC(26ab3e16) SHA1(019b9d34233a6b7a53e204154b782ceb42915d2b) )
+ ROM_LOAD( "epr5934", 0x2000, 0x2000, CRC(7c01715f) SHA1(b15b2001b8c110f2599eee3aeed79f67686ebd7e) )
+ ROM_LOAD( "epr5935", 0x4000, 0x2000, CRC(3c911786) SHA1(eea0c467e213d237b5bb9d04b19a418d6090c2dc) )
+
+ ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "epr5936", 0x0000, 0x2000, CRC(c4a4df75) SHA1(7b85dbf405697b0b8881f910c08f6db6c828b19a) )
+
+ ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "epr5937", 0x0000, 0x2000, CRC(5c80ec42) SHA1(9b79737577e48a6b2ec20ce145252545955e82c3) )
+
+ ROM_REGION( 0x0120, REGION_PROMS, 0 )
+ ROM_LOAD( "pr5957", 0x0000, 0x020, CRC(f5ce825e) SHA1(956f580840f1a7d24bfbd72b2929d14e9ee1b660) ) /* palette */
+ ROM_LOAD( "pr5956", 0x0020, 0x100, CRC(872dd450) SHA1(6c1e2c4a2fc072f4bf4996c731adb0b01b347506) ) /* look-up table */
+ROM_END
+
+GAME( 1983, champbas, 0, champbas, champbas, 0, ROT0, "Sega", "Champion Baseball", 0 )
+GAME( 1983, champbbj, champbas, champbb2, champbas, champbb2, ROT0, "Alpha Denshi Co.", "Champion Baseball (Japan set 1)", 0 )
+GAME( 1983, champbja, champbas, champbb2, champbas, champbb2, ROT0, "Alpha Denshi Co.", "Champion Baseball (Japan set 2)", 0 )
+GAME( 1983, champbb2, 0, champbb2, champbas, champbb2, ROT0, "Sega", "Champion Baseball II (set 1)", 0 )
+
+/* NO DUMP */
+GAME( 1983, champb2a, champbb2, champbb2, champbas, champbb2, ROT0, "Alpha Denshi Co.", "Champion Baseball II (set 2)", GAME_NOT_WORKING)
+