// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************
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 "machine/kabuki.h" // needed for decoding functions only
#include "includes/cbasebal.h"
#include "machine/eepromser.h"
#include "sound/okim6295.h"
#include "sound/2413intf.h"
/*************************************
*
* Memory handlers
*
*************************************/
WRITE8_MEMBER(cbasebal_state::cbasebal_bankswitch_w)
{
/* bits 0-4 select ROM bank */
//logerror("%04x: bankswitch %02x\n", space.device().safe_pc(), data);
membank("bank1")->set_entry(data & 0x1f);
membank("bank1d")->set_entry(data & 0x1f);
/* bit 5 used but unknown */
/* bits 6-7 select RAM bank */
m_rambank = (data & 0xc0) >> 6;
}
READ8_MEMBER(cbasebal_state::bankedram_r)
{
switch (m_rambank)
{
case 2:
return cbasebal_textram_r(space, offset); /* VRAM */
case 1:
if (offset < 0x800)
return m_palette->basemem().read8(offset);
else
return 0;
default:
return cbasebal_scrollram_r(space, offset); /* SCROLL */
}
}
WRITE8_MEMBER(cbasebal_state::bankedram_w)
{
switch (m_rambank)
{
case 2:
cbasebal_textram_w(space, offset, data);
break;
case 1:
if (offset < 0x800)
m_palette->write(space, offset, data);
break;
default:
cbasebal_scrollram_w(space, offset, data);
break;
}
}
WRITE8_MEMBER(cbasebal_state::cbasebal_coinctrl_w)
{
machine().bookkeeping().coin_lockout_w(0, ~data & 0x04);
machine().bookkeeping().coin_lockout_w(1, ~data & 0x08);
machine().bookkeeping().coin_counter_w(0, data & 0x01);
machine().bookkeeping().coin_counter_w(1, data & 0x02);
}
/*************************************
*
* Address maps
*
*************************************/
static ADDRESS_MAP_START( cbasebal_map, AS_PROGRAM, 8, cbasebal_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
AM_RANGE(0xc000, 0xcfff) AM_READWRITE(bankedram_r, bankedram_w) AM_SHARE("palette") /* palette + vram + scrollram */
AM_RANGE(0xe000, 0xfdff) AM_RAM /* work RAM */
AM_RANGE(0xfe00, 0xffff) AM_RAM AM_SHARE("spriteram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( decrypted_opcodes_map, AS_DECRYPTED_OPCODES, 8, cbasebal_state )
AM_RANGE(0x0000, 0x7fff) AM_ROMBANK("bank0d")
AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1d")
ADDRESS_MAP_END
static ADDRESS_MAP_START( cbasebal_portmap, AS_IO, 8, cbasebal_state )
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("oki", okim6295_device, write)
AM_RANGE(0x06, 0x07) AM_DEVWRITE("ymsnd", ym2413_device, write)
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_CUSTOM ) PORT_VBLANK("screen") /* ? */
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, do_read)
PORT_START( "IO_01" )
PORT_BIT( 0x00000010, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, cs_write)
PORT_START( "IO_02" )
PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, clk_write)
PORT_START( "IO_03" )
PORT_BIT( 0x00000040, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, di_write)
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
*
*************************************/
void cbasebal_state::machine_start()
{
save_item(NAME(m_rambank));
save_item(NAME(m_tilebank));
save_item(NAME(m_spritebank));
save_item(NAME(m_text_on));
save_item(NAME(m_bg_on));
save_item(NAME(m_obj_on));
save_item(NAME(m_flipscreen));
save_item(NAME(m_scroll_x));
save_item(NAME(m_scroll_y));
}
void cbasebal_state::machine_reset()
{
m_rambank = 0;
m_tilebank = 0;
m_spritebank = 0;
m_text_on = 0;
m_bg_on = 0;
m_obj_on = 0;
m_flipscreen = 0;
m_scroll_x[0] = 0;
m_scroll_x[1] = 0;
m_scroll_y[0] = 0;
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_DECRYPTED_OPCODES_MAP(decrypted_opcodes_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", cbasebal_state, irq0_line_hold) /* ??? */
MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
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_DRIVER(cbasebal_state, screen_update_cbasebal)
MCFG_SCREEN_PALETTE("palette")
MCFG_GFXDECODE_ADD("gfxdecode", "palette", cbasebal)
MCFG_PALETTE_ADD("palette", 1024)
MCFG_PALETTE_FORMAT(xxxxBBBBRRRRGGGG)
/* 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
*
*************************************/
DRIVER_INIT_MEMBER(cbasebal_state,cbasebal)
{
UINT8 *src = memregion("maincpu")->base();
int size = memregion("maincpu")->bytes();
m_decoded = std::make_unique<UINT8[]>(size);
pang_decode(src, m_decoded.get(), size);
membank("bank1")->configure_entries(0, 32, src + 0x10000, 0x4000);
membank("bank0d")->set_base(m_decoded.get());
membank("bank1d")->configure_entries(0, 32, m_decoded.get() + 0x10000, 0x4000);
}
/*************************************
*
* Game driver(s)
*
*************************************/
GAME( 1989, cbasebal, 0, cbasebal, cbasebal, cbasebal_state, cbasebal, ROT0, "Capcom", "Capcom Baseball (Japan)", MACHINE_SUPPORTS_SAVE )