diff options
Diffstat (limited to 'src/mame/drivers/cbasebal.c')
-rw-r--r-- | src/mame/drivers/cbasebal.c | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/src/mame/drivers/cbasebal.c b/src/mame/drivers/cbasebal.c new file mode 100644 index 00000000000..dd2d4a32269 --- /dev/null +++ b/src/mame/drivers/cbasebal.c @@ -0,0 +1,324 @@ +/*************************************************************************** + + Capcom Baseball + + + Somewhat similar to the "Mitchell hardware", but different enough to + deserve its own driver. + +TODO: +- understand what bit 6 of input port 0x12 is +- unknown bit 5 of bankswitch register + +***************************************************************************/ + +#include "driver.h" +#include "machine/eeprom.h" +#include "sound/okim6295.h" +#include "sound/2413intf.h" + + +/* in machine/kabuki.c */ +void pang_decode(void); + + +VIDEO_START( cbasebal ); +WRITE8_HANDLER( cbasebal_textram_w ); +READ8_HANDLER( cbasebal_textram_r ); +WRITE8_HANDLER( cbasebal_scrollram_w ); +READ8_HANDLER( cbasebal_scrollram_r ); +WRITE8_HANDLER( cbasebal_gfxctrl_w ); +WRITE8_HANDLER( cbasebal_scrollx_w ); +WRITE8_HANDLER( cbasebal_scrolly_w ); +VIDEO_UPDATE( cbasebal ); + + +static UINT8 rambank; + +static WRITE8_HANDLER( cbasebal_bankswitch_w ) +{ + /* bits 0-4 select ROM bank */ +//logerror("%04x: bankswitch %02x\n",activecpu_get_pc(),data); + memory_set_bank(1, data & 0x1f); + + /* bit 5 used but unknown */ + + /* bits 6-7 select RAM bank */ + rambank = (data & 0xc0) >> 6; +} + + +static READ8_HANDLER( bankedram_r ) +{ + if (rambank == 2) + return cbasebal_textram_r(offset); /* VRAM */ + else if (rambank == 1) + { + if (offset < 0x800) + return paletteram_r(offset); + else return 0; + } + else + { + return cbasebal_scrollram_r(offset); /* SCROLL */ + } +} + +static WRITE8_HANDLER( bankedram_w ) +{ + if (rambank == 2) + cbasebal_textram_w(offset,data); + else if (rambank == 1) + { + if (offset < 0x800) + paletteram_xxxxBBBBRRRRGGGG_le_w(offset,data); + } + else + cbasebal_scrollram_w(offset,data); +} + +static WRITE8_HANDLER( cbasebal_coinctrl_w ) +{ + coin_lockout_w(0,~data & 0x04); + coin_lockout_w(1,~data & 0x08); + coin_counter_w(0,data & 0x01); + coin_counter_w(1,data & 0x02); +} + + + +/*************************************************************************** + + EEPROM + +***************************************************************************/ + +static struct EEPROM_interface eeprom_interface = +{ + 6, /* address bits */ + 16, /* data bits */ + "0110", /* read command */ + "0101", /* write command */ + "0111" /* erase command */ +}; + + +static NVRAM_HANDLER( cbasebal ) +{ + if (read_or_write) + EEPROM_save(file); + else + { + EEPROM_init(&eeprom_interface); + + if (file) + EEPROM_load(file); + } +} + +static READ8_HANDLER( eeprom_r ) +{ + int bit; + + bit = EEPROM_read_bit() << 7; + + return (input_port_2_r(0) & 0x7f) | bit; +} + +static WRITE8_HANDLER( eeprom_cs_w ) +{ + EEPROM_set_cs_line(data ? CLEAR_LINE : ASSERT_LINE); +} + +static WRITE8_HANDLER( eeprom_clock_w ) +{ + EEPROM_set_clock_line(data ? CLEAR_LINE : ASSERT_LINE); +} + +static WRITE8_HANDLER( eeprom_serial_w ) +{ + EEPROM_write_bit(data); +} + + + +static ADDRESS_MAP_START( cbasebal_map, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_ROM + AM_RANGE(0x8000, 0xbfff) AM_ROMBANK(1) + AM_RANGE(0xc000, 0xcfff) AM_READWRITE(bankedram_r, bankedram_w) AM_BASE(&paletteram) /* palette + vram + scrollram */ + AM_RANGE(0xe000, 0xfdff) AM_RAM /* work RAM */ + AM_RANGE(0xfe00, 0xffff) AM_RAM AM_BASE(&spriteram) AM_SIZE(&spriteram_size) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( cbasebal_portmap, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x00, 0x00) AM_WRITE(cbasebal_bankswitch_w) + AM_RANGE(0x01, 0x01) AM_WRITE(eeprom_cs_w) + AM_RANGE(0x02, 0x02) AM_WRITE(eeprom_clock_w) + AM_RANGE(0x03, 0x03) AM_WRITE(eeprom_serial_w) + AM_RANGE(0x05, 0x05) AM_WRITE(OKIM6295_data_0_w) + AM_RANGE(0x06, 0x06) AM_WRITE(YM2413_register_port_0_w) + AM_RANGE(0x07, 0x07) AM_WRITE(YM2413_data_port_0_w) + AM_RANGE(0x08, 0x09) AM_WRITE(cbasebal_scrollx_w) + AM_RANGE(0x0a, 0x0b) AM_WRITE(cbasebal_scrolly_w) + AM_RANGE(0x10, 0x10) AM_READ(input_port_0_r) + AM_RANGE(0x11, 0x11) AM_READ(input_port_1_r) + AM_RANGE(0x12, 0x12) AM_READ(eeprom_r) + AM_RANGE(0x13, 0x13) AM_WRITE(cbasebal_gfxctrl_w) + AM_RANGE(0x14, 0x14) AM_WRITE(cbasebal_coinctrl_w) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( cbasebal ) + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + + PORT_START /* IN2 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + + PORT_START /* IN0 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) + PORT_SERVICE( 0x08, IP_ACTIVE_LOW ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_VBLANK ) /* ? */ + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* EEPROM data */ +INPUT_PORTS_END + + + + +static const gfx_layout cbasebal_textlayout = +{ + 8,8, /* 8*8 characters */ + 4096, /* 4096 characters */ + 2, /* 2 bits per pixel */ + { 0, 4 }, + { 8+3, 8+2, 8+1, 8+0, 3, 2, 1, 0 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, + 16*8 /* every char takes 16 consecutive bytes */ +}; + +static const gfx_layout cbasebal_tilelayout = +{ + 16,16, /* 16*16 tiles */ + 4096, /* 4096 tiles */ + 4, /* 4 bits per pixel */ + { 4096*64*8+4, 4096*64*8+0,4, 0 }, + { 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3, + 16*16+0, 16*16+1, 16*16+2, 16*16+3, 16*16+8+0, 16*16+8+1, 16*16+8+2, 16*16+8+3 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, + 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + 64*8 /* every tile takes 64 consecutive bytes */ +}; + +static const gfx_layout cbasebal_spritelayout = +{ + 16,16, /* 16*16 sprites */ + 4096, /* 2048 sprites */ + 4, /* 4 bits per pixel */ + { 4096*64*8+4, 4096*64*8+0, 4, 0 }, + { 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3, + 32*8+0, 32*8+1, 32*8+2, 32*8+3, 33*8+0, 33*8+1, 33*8+2, 33*8+3 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, + 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + 64*8 /* every sprite takes 64 consecutive bytes */ +}; + +static GFXDECODE_START( cbasebal ) + GFXDECODE_ENTRY( REGION_GFX1, 0, cbasebal_textlayout, 256, 8 ) /* colors 256- 287 */ + GFXDECODE_ENTRY( REGION_GFX2, 0, cbasebal_tilelayout, 768, 16 ) /* colors 768-1023 */ + GFXDECODE_ENTRY( REGION_GFX3, 0, cbasebal_spritelayout, 512, 8 ) /* colors 512- 639 */ +GFXDECODE_END + + + +static MACHINE_DRIVER_START( cbasebal ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80, 6000000) /* ??? */ + MDRV_CPU_PROGRAM_MAP(cbasebal_map,0) + MDRV_CPU_IO_MAP(cbasebal_portmap,0) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) /* ??? */ + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + + MDRV_NVRAM_HANDLER(cbasebal) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_UPDATE_BEFORE_VBLANK) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(64*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(8*8, (64-8)*8-1, 2*8, 30*8-1 ) + MDRV_GFXDECODE(cbasebal) + MDRV_PALETTE_LENGTH(1024) + + MDRV_VIDEO_START(cbasebal) + MDRV_VIDEO_UPDATE(cbasebal) + + /* 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", 0.50) + + MDRV_SOUND_ADD(YM2413, 3579545) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + + +ROM_START( cbasebal ) + ROM_REGION( 0x90000, REGION_CPU1, 0 ) + ROM_LOAD( "cbj10.11j", 0x00000, 0x08000, CRC(bbff0acc) SHA1(db9e2c89e030255851789caaf85f24dc73609d9b) ) + ROM_LOAD( "cbj07.16f", 0x10000, 0x20000, CRC(8111d13f) SHA1(264e21e824c87f55da326440c6ed71e1c287a63e) ) + ROM_LOAD( "cbj06.14f", 0x30000, 0x20000, CRC(9aaa0e37) SHA1(1a7b96b44c66b58f06707aafb1806520747b8c76) ) + ROM_LOAD( "cbj05.13f", 0x50000, 0x20000, CRC(d0089f37) SHA1(32354c3f4693a65e297791c4d8faac3aa9cff5a1) ) + /* 0x70000-0x8ffff empty (space for 04) */ + + ROM_REGION( 0x10000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "cbj13.16m", 0x00000, 0x10000, CRC(2359fa0a) SHA1(3a37532ea43dd4b150c53a240d35a57a9b76d23d) ) /* text */ + + ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "cbj02.1f", 0x00000, 0x20000, CRC(d6740535) SHA1(2ece885525718fd5fe52b8fa4c07930695b89659) ) /* tiles */ + ROM_LOAD( "cbj03.2f", 0x20000, 0x20000, CRC(88098dcd) SHA1(caddebeea581129d6a62fc9f7f354d61eef175c7) ) + ROM_LOAD( "cbj08.1j", 0x40000, 0x20000, CRC(5f3344bf) SHA1(1d3193078108e86e31bbfce15a8d2443cfbf2ff6) ) + ROM_LOAD( "cbj09.2j", 0x60000, 0x20000, CRC(aafffdae) SHA1(26e76b55fff49811df8e5b1f165be20ec8dd196a) ) + + ROM_REGION( 0x80000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "cbj11.1m", 0x00000, 0x20000, CRC(bdc1507d) SHA1(efeaf3066acfb7186d73ad8e5b291d6e61965de2) ) /* sprites */ + ROM_LOAD( "cbj12.2m", 0x20000, 0x20000, CRC(973f3efe) SHA1(d776499d5ac4bc23eb5d1f28b88447cc07d8ac99) ) + ROM_LOAD( "cbj14.1n", 0x40000, 0x20000, CRC(765dabaa) SHA1(742d1c50b65f649f23eac7976fe26c2d7400e4e1) ) + ROM_LOAD( "cbj15.2n", 0x60000, 0x20000, CRC(74756de5) SHA1(791d6620cdb563f0b3a717432aa4647981b0a10e) ) + + ROM_REGION( 0x80000, REGION_SOUND1, 0 ) /* OKIM */ + ROM_LOAD( "cbj01.1e", 0x00000, 0x20000, CRC(1d8968bd) SHA1(813e475d1d0c343e7dad516f1fe564d00c9c27fb) ) +ROM_END + + +static DRIVER_INIT( cbasebal ) +{ + memory_configure_bank(1, 0, 32, memory_region(REGION_CPU1) + 0x10000, 0x4000); + pang_decode(); +} + + +GAME( 1989, cbasebal, 0, cbasebal, cbasebal, cbasebal, ROT0, "Capcom", "Capcom Baseball (Japan)", 0 ) |