diff options
Diffstat (limited to 'src/mame/irem/m119.cpp')
-rw-r--r-- | src/mame/irem/m119.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/mame/irem/m119.cpp b/src/mame/irem/m119.cpp new file mode 100644 index 00000000000..209fb0f8ed2 --- /dev/null +++ b/src/mame/irem/m119.cpp @@ -0,0 +1,143 @@ +// license:BSD-3-Clause +// copyright-holders: + +/* +Irem M119 PCB + +Main components: + +on main PCB: +HD6417708S (SH3) +2x 62265 RAM (for the CPU) +UPD65840GJ CMOS-8L ASIC +YMZ280BB-F +2x PLD's +4-dip bank + +on sub PCB: +UPD94244-210 VDP +2x 62256 RAM (for the VDP) + +Clocks: +UPD65840 - 15 MHz +UPD94244 - 26.6666 MHz +SH2 - ?? MHz +SG3032 XTAL (32.768 kHz) for the SH3 RTC +*/ + +#include "emu.h" + +#include "cpu/sh/sh4.h" +#include "sound/ymz280b.h" + +#include "emupal.h" +#include "screen.h" +#include "speaker.h" + + +namespace { + +class m119_state : public driver_device +{ +public: + m119_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + { + } + + void m119(machine_config &config); + +private: + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + + void program_map(address_map &map); + + required_device<sh3_device> m_maincpu; +}; + +uint32_t m119_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + return 0; +} + +void m119_state::program_map(address_map &map) +{ + map(0x00000000, 0x0007ffff).rom().region("maincpu", 0); + map(0x00400000, 0x0040ffff).ram(); // stack + +// map(0x04000080, 0x04000083) address/data pairs, likely YMZ +// map(0x1000be01, 0x1000c1ff) filled as byte area +// map(0x1000c000, 0x1000ffff) ^ +// 0x18000096-0x18000097 writes before accessing byte area, banked view? +// 0x180000b5 always 0xaa, paired with WTCSR $5a +// 0x180000b4 r/w at PC=0x12b2 onward, +// then loops expecting an external event filling work RAM buffer $401110 PC=12e6, +// presumably for a thread dispatcher (observe R11 afterwards) + +} + +static INPUT_PORTS_START( m119 ) + PORT_START("IN0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("DSW1") // only 1 4-dip bank + PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "SW1:1") + PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "SW1:2") + PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW1:3") + PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW1:4") +INPUT_PORTS_END + + +void m119_state::m119(machine_config &config) +{ + // basic machine hardware + SH3LE(config, m_maincpu, 60'000'000); // HD6417708S, according to the datasheet operation frequency is 60 MHz. + m_maincpu->set_addrmap(AS_PROGRAM, &m119_state::program_map); +// m_maincpu->set_vblank_int("screen", FUNC(m119_state::irq2_line_hold)); + + // all wrong + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_refresh_hz(60); + screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); + screen.set_size(64*8, 32*8); + screen.set_visarea_full(); + screen.set_screen_update(FUNC(m119_state::screen_update)); + + // TODO: UPD94244-210 VDP + + // sound hardware + SPEAKER(config, "lspeaker").front_left(); + SPEAKER(config, "rspeaker").front_right(); + + ymz280b_device &ymz(YMZ280B(config, "ymz", 16'934'400)); // internal? + ymz.add_route(0, "lspeaker", 1.0); + ymz.add_route(1, "rspeaker", 1.0); +} + + +ROM_START( scumimon ) + ROM_REGION(0x80000, "maincpu", 0) + ROM_LOAD( "scu1.a-pr00-c.ic43", 0x00000, 0x80000, CRC(18c17fcf) SHA1(500f69b65e0425c849833cfb58d5558862ac3c44) ) + + ROM_REGION(0x400000, "vdp", 0) // TODO: ROM loading probably wrong + ROM_LOAD16_BYTE( "scu1.b-c0.ic4", 0x000000, 0x200000, CRC(56402e4b) SHA1(b287f5424ebee8b9d68ef975de37bac900044ed2) ) + ROM_LOAD16_BYTE( "scu1.b-c1.ic2", 0x000001, 0x200000, CRC(adff81ba) SHA1(a176b9ab5b2f47abb89e817699d742dbf876a4c7) ) + + ROM_REGION(0x200000, "ymz", 0) + ROM_LOAD( "scu1.a-v0-.ic35", 0x000000, 0x100000, CRC(819e4bbd) SHA1(e0ca76a7b97b05bbffdb96866a8bdd460fc589b2) ) // FIXED BITS (xxxxxxxxxxxxx1xx) + + // TODO: 2x PLDs once identified +ROM_END + +} // anonymous namespace + + +GAME( 2000, scumimon, 0, m119, m119, m119_state, empty_init, ROT0, "Irem", "Slotters Club: Umi Monogatari", MACHINE_IS_SKELETON ) // Ver PROGRAM 2000/09/14 |