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Diffstat (limited to 'src/mame/drivers/flashbeats.cpp')
| -rw-r--r-- | src/mame/drivers/flashbeats.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/mame/drivers/flashbeats.cpp b/src/mame/drivers/flashbeats.cpp new file mode 100644 index 00000000000..51a2fe01d64 --- /dev/null +++ b/src/mame/drivers/flashbeats.cpp @@ -0,0 +1,198 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/**************************************************************************** + + drivers/flashbeats.cpp + Sega "Flash Beats" game + + Hardware: + - H8/3007 CPU + - 68000 + SCSP for sound effects + - DSB2 MPEG board with another 68000 + - Two Sega I/O chips: 315-5338A and 315-5296 + - Pinball-style dot matrix VFD display + - 5 display tubes containing an unknown number of RGB LEDs behind + a diffuser + +****************************************************************************/ + +#include "emu.h" +#include "cpu/h8/h83006.h" +#include "cpu/m68000/m68000.h" +#include "machine/eepromser.h" +#include "machine/315_5296.h" +#include "sound/scsp.h" +#include "screen.h" +#include "speaker.h" + +class flashbeats_state : public driver_device +{ +public: + flashbeats_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_scspcpu(*this, "scspcpu"), + m_scsp(*this, "scsp"), + m_sound_ram(*this, "sound_ram"), + m_eeprom(*this, "eeprom"), + m_315_5296(*this, "segaio1") + { + } + + void flashbeats(machine_config &config); + void flashbeats_map(address_map &map); + void flashbeats_io_map(address_map &map); + void main_scsp_map(address_map &map); + void scsp_mem(address_map &map); + + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + +private: + virtual void machine_reset() override; + + DECLARE_WRITE8_MEMBER(scsp_irq); + DECLARE_READ16_MEMBER(p6_r); + DECLARE_WRITE16_MEMBER(p6_w); + + required_device<h83007_device> m_maincpu; + required_device<m68000_device> m_scspcpu; + required_device<scsp_device> m_scsp; + required_shared_ptr<uint16_t> m_sound_ram; + required_device<eeprom_serial_93cxx_device> m_eeprom; + required_device<sega_315_5296_device> m_315_5296; + + inline void ATTR_PRINTF(3,4) verboselog( int n_level, const char *s_fmt, ... ); +}; + + +#define VERBOSE_LEVEL ( 0 ) + +#define ENABLE_VERBOSE_LOG (0) + +inline void ATTR_PRINTF(3,4) flashbeats_state::verboselog( int n_level, const char *s_fmt, ... ) +{ +#if ENABLE_VERBOSE_LOG + if( VERBOSE_LEVEL >= n_level ) + { + va_list v; + char buf[ 32768 ]; + va_start( v, s_fmt ); + vsprintf( buf, s_fmt, v ); + va_end( v ); + logerror("%s: %s", machine().describe_context(), buf); + } +#endif +} + +void flashbeats_state::machine_reset() +{ + uint8_t *ROM = memregion("scspcpu")->base(); + memcpy(m_sound_ram, ROM, 0x400); + m_scspcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); + m_scspcpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE); +} + +uint32_t flashbeats_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + return 0; +} + +READ16_MEMBER(flashbeats_state::p6_r) +{ + return (m_eeprom->do_read() << 3); +} + +WRITE16_MEMBER(flashbeats_state::p6_w) +{ + m_eeprom->clk_write((data & 0x02) ? ASSERT_LINE : CLEAR_LINE); + m_eeprom->di_write((data >> 2) & 1); + m_eeprom->cs_write((data & 0x01) ? ASSERT_LINE : CLEAR_LINE); +} + +void flashbeats_state::flashbeats_map(address_map &map) +{ + map(0x000000, 0x1fffff).rom().region("maincpu", 0); + map(0x200000, 0x20ffff).ram(); + map(0x400000, 0x40007f).rw(m_315_5296, FUNC(sega_315_5296_device::read), FUNC(sega_315_5296_device::write)).umask16(0xff00); + map(0xa00000, 0xa0ffff).ram(); + map(0xa10000, 0xa10fff).ram(); +} + +void flashbeats_state::flashbeats_io_map(address_map &map) +{ + map(h8_device::PORT_6, h8_device::PORT_6).rw(FUNC(flashbeats_state::p6_r), FUNC(flashbeats_state::p6_w)); +} + +void flashbeats_state::main_scsp_map(address_map &map) +{ + map(0x000000, 0x0fffff).ram().share("sound_ram"); + map(0x100000, 0x100fff).rw("scsp", FUNC(scsp_device::read), FUNC(scsp_device::write)); + map(0x600000, 0x67ffff).rom().region("scspcpu", 0); +} + +void flashbeats_state::scsp_mem(address_map &map) +{ + map(0x000000, 0x0fffff).ram().share("sound_ram"); +} + +void flashbeats_state::flashbeats(machine_config &config) +{ + /* basic machine hardware */ + H83007(config, m_maincpu, 16_MHz_XTAL); // 16 MHz oscillator next to chip, also 16 MHz causes SCI0 and 1 rates to be 31250 (MIDI) + m_maincpu->set_addrmap(AS_PROGRAM, &flashbeats_state::flashbeats_map); + m_maincpu->set_addrmap(AS_IO, &flashbeats_state::flashbeats_io_map); + + M68000(config, m_scspcpu, 11289600); + m_scspcpu->set_addrmap(AS_PROGRAM, &flashbeats_state::main_scsp_map); + + EEPROM_93C46_16BIT(config, "eeprom"); + + SEGA_315_5296(config, m_315_5296, 8_MHz_XTAL); + + SPEAKER(config, "lspeaker").front_left(); + SPEAKER(config, "rspeaker").front_right(); + + SCSP(config, m_scsp, 22579200); // TODO : Unknown clock, divider + m_scsp->set_addrmap(0, &flashbeats_state::scsp_mem); + m_scsp->irq_cb().set(FUNC(flashbeats_state::scsp_irq)); + m_scsp->add_route(0, "lspeaker", 1.0); + m_scsp->add_route(1, "rspeaker", 1.0); +} + +WRITE8_MEMBER(flashbeats_state::scsp_irq) +{ +} + +static INPUT_PORTS_START( flashbeats ) +INPUT_PORTS_END + +/*************************************************************************** + + ROM definition(s) + +***************************************************************************/ + +ROM_START( flsbeats ) + ROM_REGION(0x200000, "maincpu", 0) + ROM_LOAD16_WORD_SWAP( "epr-21609_rom1.ic18", 0x000000, 0x080000, CRC(130a0a62) SHA1(400f24304959547b188ed874653ae2e1e77092fe) ) + + ROM_REGION(0x280000, "scspcpu", 0) + ROM_LOAD16_WORD_SWAP( "epr-21610_rom4.ic14", 0x000000, 0x080000, CRC(c877e0e6) SHA1(595f143fb3789852a4af9d2920cbaefabecfa45c) ) + ROM_LOAD16_WORD_SWAP( "epr-21611_rom3.ic4", 0x080000, 0x200000, CRC(2f5dc574) SHA1(f0b8d076b0fc8e94582de0ca17ecd5c8b90bedc4) ) + + ROM_REGION(0x20000, "dsb2", 0) + ROM_LOAD16_WORD_SWAP( "epr-21612.ic2", 0x000000, 0x020000, CRC(6912e1cb) SHA1(3497d6ae0b9be00116a3278f46d738c4c6f26d20) ) + + ROM_REGION(0x2000000, "mpeg", 0) + ROM_LOAD( "mpr-21601_n26_9852k7016.ic18", 0x0000000, 0x400000, CRC(d23e2b7b) SHA1(8c26a740fee0adc4d45d34786b0c28abb105324d) ) + ROM_LOAD( "mpr-21602_n27_9852k7017.ic19", 0x0400000, 0x400000, CRC(e143960b) SHA1(7ace5cae6f2a8868d74d4397a9c1b0a0f6f26c9f) ) + ROM_LOAD( "mpr-21603_n28_9852k7018.ic20", 0x0800000, 0x400000, CRC(136b69d8) SHA1(ad81be6f0383f29306c8d9f21d1e7440172ebf97) ) + ROM_LOAD( "mpr-21604_n29_9852k7019.ic21", 0x0c00000, 0x400000, CRC(87b15ea4) SHA1(eacc0f575926e68a195090370cb9e9e06b38e404) ) + ROM_LOAD( "mpr-21605_n30_9852k7023.ic22", 0x1000000, 0x400000, CRC(fb1a802e) SHA1(6fa99694973fd3cdd1a0f74a655583aadf5adc8f) ) + ROM_LOAD( "mpr-21606_n31_9852k7020.ic23", 0x1400000, 0x400000, CRC(d9aba5e0) SHA1(6f3f1b01174d771a56f92aeead998827da97ac22) ) + ROM_LOAD( "mpr-21607_n32_9852k7021.ic24", 0x1800000, 0x400000, CRC(f3dd07c6) SHA1(aa9d056e8ff5d2282917a09c42711062b8df989a) ) + ROM_LOAD( "mpr-21608_n33_9852k7022.ic25", 0x1c00000, 0x400000, CRC(be4db836) SHA1(93d4cbb3bb299e3cf1dda105670e3923751c28ad) ) +ROM_END + +// YEAR NAME PARENT MACHINE INPUT CLASS INIT MONITOR COMPANY FULLNAME FLAGS +GAME( 1998, flsbeats, 0, flashbeats, flashbeats, flashbeats_state, empty_init, ROT0, "Sega", "Flash Beats", MACHINE_NOT_WORKING|MACHINE_NO_SOUND ) |