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Diffstat (limited to 'src/mame/drivers/cbasebal.c')
-rw-r--r--src/mame/drivers/cbasebal.c324
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 )