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path: root/trunk/src/mame/drivers/cbasebal.c
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Diffstat (limited to 'trunk/src/mame/drivers/cbasebal.c')
-rw-r--r--trunk/src/mame/drivers/cbasebal.c372
1 files changed, 372 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/cbasebal.c b/trunk/src/mame/drivers/cbasebal.c
new file mode 100644
index 00000000000..3b7607ccd6b
--- /dev/null
+++ b/trunk/src/mame/drivers/cbasebal.c
@@ -0,0 +1,372 @@
+/***************************************************************************
+
+ 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 "emu.h"
+#include "cpu/z80/z80.h"
+#include "includes/cps1.h" // needed for decoding functions only
+#include "includes/cbasebal.h"
+#include "machine/eeprom.h"
+#include "sound/okim6295.h"
+#include "sound/2413intf.h"
+
+
+/*************************************
+ *
+ * Memory handlers
+ *
+ *************************************/
+
+static WRITE8_HANDLER( cbasebal_bankswitch_w )
+{
+ cbasebal_state *state = space->machine().driver_data<cbasebal_state>();
+
+ /* bits 0-4 select ROM bank */
+ //logerror("%04x: bankswitch %02x\n", cpu_get_pc(&space->device()), data);
+ memory_set_bank(space->machine(), "bank1", data & 0x1f);
+
+ /* bit 5 used but unknown */
+
+ /* bits 6-7 select RAM bank */
+ state->m_rambank = (data & 0xc0) >> 6;
+}
+
+
+static READ8_HANDLER( bankedram_r )
+{
+ cbasebal_state *state = space->machine().driver_data<cbasebal_state>();
+
+ switch (state->m_rambank)
+ {
+ case 2:
+ return cbasebal_textram_r(space, offset); /* VRAM */
+ case 1:
+ if (offset < 0x800)
+ return space->machine().generic.paletteram.u8[offset];
+ else
+ return 0;
+ break;
+ default:
+ return cbasebal_scrollram_r(space, offset); /* SCROLL */
+ }
+}
+
+static WRITE8_HANDLER( bankedram_w )
+{
+ cbasebal_state *state = space->machine().driver_data<cbasebal_state>();
+
+ switch (state->m_rambank)
+ {
+ case 2:
+ cbasebal_textram_w(space, offset, data);
+ break;
+ case 1:
+ if (offset < 0x800)
+ paletteram_xxxxBBBBRRRRGGGG_le_w(space, offset, data);
+ break;
+ default:
+ cbasebal_scrollram_w(space, offset, data);
+ break;
+ }
+}
+
+static WRITE8_HANDLER( cbasebal_coinctrl_w )
+{
+ coin_lockout_w(space->machine(), 0, ~data & 0x04);
+ coin_lockout_w(space->machine(), 1, ~data & 0x08);
+ coin_counter_w(space->machine(), 0, data & 0x01);
+ coin_counter_w(space->machine(), 1, data & 0x02);
+}
+
+
+/*************************************
+ *
+ * EEPROM
+ *
+ *************************************/
+
+static const eeprom_interface cbasebal_eeprom_intf =
+{
+ 6, /* address bits */
+ 16, /* data bits */
+ "0110", /* read command */
+ "0101", /* write command */
+ "0111" /* erase command */
+};
+
+
+/*************************************
+ *
+ * Address maps
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( cbasebal_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
+ AM_RANGE(0xc000, 0xcfff) AM_READWRITE(bankedram_r, bankedram_w) AM_BASE_GENERIC(paletteram) /* palette + vram + scrollram */
+ AM_RANGE(0xe000, 0xfdff) AM_RAM /* work RAM */
+ AM_RANGE(0xfe00, 0xffff) AM_RAM AM_BASE_SIZE_MEMBER(cbasebal_state, m_spriteram, m_spriteram_size)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( cbasebal_portmap, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITE(cbasebal_bankswitch_w)
+ AM_RANGE(0x01, 0x01) AM_WRITE_PORT("IO_01")
+ AM_RANGE(0x02, 0x02) AM_WRITE_PORT("IO_02")
+ AM_RANGE(0x03, 0x03) AM_WRITE_PORT("IO_03")
+ AM_RANGE(0x05, 0x05) AM_DEVWRITE_MODERN("oki", okim6295_device, write)
+ AM_RANGE(0x06, 0x07) AM_DEVWRITE("ymsnd", ym2413_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_PORT("P1")
+ AM_RANGE(0x11, 0x11) AM_READ_PORT("P2")
+ AM_RANGE(0x12, 0x12) AM_READ_PORT("SYSTEM")
+ AM_RANGE(0x13, 0x13) AM_WRITE(cbasebal_gfxctrl_w)
+ AM_RANGE(0x14, 0x14) AM_WRITE(cbasebal_coinctrl_w)
+ADDRESS_MAP_END
+
+
+/*************************************
+ *
+ * Input ports
+ *
+ *************************************/
+
+static INPUT_PORTS_START( cbasebal )
+ PORT_START("P1")
+ 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("P2")
+ 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("SYSTEM")
+ 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_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_device, read_bit)
+
+ PORT_START( "IO_01" )
+ PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, set_cs_line)
+
+ PORT_START( "IO_02" )
+ PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, set_clock_line)
+
+ PORT_START( "IO_03" )
+ PORT_BIT( 0x00000040, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, write_bit)
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+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( "gfx1", 0, cbasebal_textlayout, 256, 8 ) /* colors 256- 287 */
+ GFXDECODE_ENTRY( "gfx2", 0, cbasebal_tilelayout, 768, 16 ) /* colors 768-1023 */
+ GFXDECODE_ENTRY( "gfx3", 0, cbasebal_spritelayout, 512, 8 ) /* colors 512- 639 */
+GFXDECODE_END
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_START( cbasebal )
+{
+ cbasebal_state *state = machine.driver_data<cbasebal_state>();
+
+ memory_configure_bank(machine, "bank1", 0, 32, machine.region("maincpu")->base() + 0x10000, 0x4000);
+
+ state->save_item(NAME(state->m_rambank));
+ state->save_item(NAME(state->m_tilebank));
+ state->save_item(NAME(state->m_spritebank));
+ state->save_item(NAME(state->m_text_on));
+ state->save_item(NAME(state->m_bg_on));
+ state->save_item(NAME(state->m_obj_on));
+ state->save_item(NAME(state->m_flipscreen));
+ state->save_item(NAME(state->m_scroll_x));
+ state->save_item(NAME(state->m_scroll_y));
+}
+
+static MACHINE_RESET( cbasebal )
+{
+ cbasebal_state *state = machine.driver_data<cbasebal_state>();
+
+ state->m_rambank = 0;
+ state->m_tilebank = 0;
+ state->m_spritebank = 0;
+ state->m_text_on = 0;
+ state->m_bg_on = 0;
+ state->m_obj_on = 0;
+ state->m_flipscreen = 0;
+ state->m_scroll_x[0] = 0;
+ state->m_scroll_x[1] = 0;
+ state->m_scroll_y[0] = 0;
+ state->m_scroll_y[1] = 0;
+}
+
+static MACHINE_CONFIG_START( cbasebal, cbasebal_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, 6000000) /* ??? */
+ MCFG_CPU_PROGRAM_MAP(cbasebal_map)
+ MCFG_CPU_IO_MAP(cbasebal_portmap)
+ MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) /* ??? */
+
+ MCFG_MACHINE_START(cbasebal)
+ MCFG_MACHINE_RESET(cbasebal)
+
+ MCFG_EEPROM_ADD("eeprom", cbasebal_eeprom_intf)
+
+ /* video hardware */
+ MCFG_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(64*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(8*8, (64-8)*8-1, 2*8, 30*8-1 )
+ MCFG_SCREEN_UPDATE(cbasebal)
+
+ MCFG_GFXDECODE(cbasebal)
+ MCFG_PALETTE_LENGTH(1024)
+
+ MCFG_VIDEO_START(cbasebal)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_OKIM6295_ADD("oki", 1056000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ MCFG_SOUND_ADD("ymsnd", YM2413, 3579545)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+
+/*************************************
+ *
+ * ROM definition(s)
+ *
+ *************************************/
+
+ROM_START( cbasebal )
+ ROM_REGION( 0x90000, "maincpu", 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, "gfx1", 0 )
+ ROM_LOAD( "cbj13.16m", 0x00000, 0x10000, CRC(2359fa0a) SHA1(3a37532ea43dd4b150c53a240d35a57a9b76d23d) ) /* text */
+
+ ROM_REGION( 0x80000, "gfx2", 0 )
+ 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, "gfx3", 0 )
+ 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, "oki", 0 ) /* OKIM */
+ ROM_LOAD( "cbj01.1e", 0x00000, 0x20000, CRC(1d8968bd) SHA1(813e475d1d0c343e7dad516f1fe564d00c9c27fb) )
+ROM_END
+
+
+/*************************************
+ *
+ * Driver initialization
+ *
+ *************************************/
+
+static DRIVER_INIT( cbasebal )
+{
+ pang_decode(machine);
+}
+
+
+/*************************************
+ *
+ * Game driver(s)
+ *
+ *************************************/
+
+GAME( 1989, cbasebal, 0, cbasebal, cbasebal, cbasebal, ROT0, "Capcom", "Capcom Baseball (Japan)", GAME_SUPPORTS_SAVE )