// license:BSD-3-Clause // copyright-holders:David Haywood /* Mogura Desse */ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/dac.h" #include "includes/konamipt.h" class mogura_state : public driver_device { public: mogura_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_dac1(*this, "dac1"), m_dac2(*this, "dac2"), m_gfxram(*this, "gfxram"), m_tileram(*this, "tileram"), m_gfxdecode(*this, "gfxdecode") { } required_device m_maincpu; required_device m_dac1; required_device m_dac2; required_shared_ptr m_gfxram; required_shared_ptr m_tileram; required_device m_gfxdecode; tilemap_t *m_tilemap; DECLARE_WRITE8_MEMBER(mogura_tileram_w); DECLARE_WRITE8_MEMBER(mogura_dac_w); DECLARE_WRITE8_MEMBER(mogura_gfxram_w); TILE_GET_INFO_MEMBER(get_mogura_tile_info); virtual void machine_start() override; virtual void video_start() override; DECLARE_PALETTE_INIT(mogura); UINT32 screen_update_mogura(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); }; PALETTE_INIT_MEMBER(mogura_state, mogura) { const UINT8 *color_prom = memregion("proms")->base(); int i, j; j = 0; for (i = 0; i < 0x20; i++) { int bit0, bit1, bit2, r, g, b; /* red component */ bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); bit2 = BIT(color_prom[i], 2); r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* green component */ bit0 = BIT(color_prom[i], 3); bit1 = BIT(color_prom[i], 4); bit2 = BIT(color_prom[i], 5); g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* blue component */ bit0 = 0; bit1 = BIT(color_prom[i], 6); bit2 = BIT(color_prom[i], 7); b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; palette.set_pen_color(j, rgb_t(r, g, b)); j += 4; if (j > 31) j -= 31; } } TILE_GET_INFO_MEMBER(mogura_state::get_mogura_tile_info) { int code = m_tileram[tile_index]; int attr = m_tileram[tile_index + 0x800]; SET_TILE_INFO_MEMBER(0, code, (attr >> 1) & 7, 0); } void mogura_state::video_start() { m_gfxdecode->gfx(0)->set_source(m_gfxram); m_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(mogura_state::get_mogura_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 32); } UINT32 mogura_state::screen_update_mogura(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { const rectangle &visarea = screen.visible_area(); /* tilemap layout is a bit strange ... */ rectangle clip = visarea; clip.max_x = 256 - 1; m_tilemap->set_scrollx(0, 256); m_tilemap->draw(screen, bitmap, clip, 0, 0); clip.min_x = 256; clip.max_x = 512 - 1; m_tilemap->set_scrollx(0, -128); m_tilemap->draw(screen, bitmap, clip, 0, 0); return 0; } WRITE8_MEMBER(mogura_state::mogura_tileram_w) { m_tileram[offset] = data; m_tilemap->mark_tile_dirty(offset & 0x7ff); } WRITE8_MEMBER(mogura_state::mogura_dac_w) { m_dac1->write_unsigned8(data & 0xf0); /* left */ m_dac2->write_unsigned8((data & 0x0f) << 4); /* right */ } WRITE8_MEMBER(mogura_state::mogura_gfxram_w) { m_gfxram[offset] = data ; m_gfxdecode->gfx(0)->mark_dirty(offset / 16); } static ADDRESS_MAP_START( mogura_map, AS_PROGRAM, 8, mogura_state ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0xc000, 0xdfff) AM_RAM // main ram AM_RANGE(0xe000, 0xefff) AM_RAM_WRITE(mogura_gfxram_w) AM_SHARE("gfxram") // ram based characters AM_RANGE(0xf000, 0xffff) AM_RAM_WRITE(mogura_tileram_w) AM_SHARE("tileram") // tilemap ADDRESS_MAP_END static ADDRESS_MAP_START( mogura_io_map, AS_IO, 8, mogura_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITENOP // ?? AM_RANGE(0x08, 0x08) AM_READ_PORT("SYSTEM") AM_RANGE(0x0c, 0x0c) AM_READ_PORT("P1") AM_RANGE(0x0d, 0x0d) AM_READ_PORT("P2") AM_RANGE(0x0e, 0x0e) AM_READ_PORT("P3") AM_RANGE(0x0f, 0x0f) AM_READ_PORT("P4") AM_RANGE(0x10, 0x10) AM_READ_PORT("SERVICE") AM_RANGE(0x14, 0x14) AM_WRITE(mogura_dac_w) /* 4 bit DAC x 2. MSB = left, LSB = right */ ADDRESS_MAP_END static INPUT_PORTS_START( mogura ) 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_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN4 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE2 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE3 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE4 ) PORT_START("P1") KONAMI8_B123_START(1) PORT_START("P2") KONAMI8_B123_START(2) PORT_START("P3") KONAMI8_B123_START(3) PORT_START("P4") KONAMI8_B123_START(4) PORT_START("SERVICE") PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_LOW) PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END static const gfx_layout tiles8x8_layout = { 8,8, 0x1000*8/(16*8), 2, { 0, 1 }, { 0, 2, 4, 6, 8, 10, 12, 14 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, 16*8 }; static GFXDECODE_START( mogura ) GFXDECODE_ENTRY( nullptr, 0, tiles8x8_layout, 0, 8 ) GFXDECODE_END void mogura_state::machine_start() { } static MACHINE_CONFIG_START( mogura, mogura_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80,3000000) /* 3 MHz */ MCFG_CPU_PROGRAM_MAP(mogura_map) MCFG_CPU_IO_MAP(mogura_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", mogura_state, irq0_line_hold) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) // ? MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(512, 512) MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1) MCFG_SCREEN_UPDATE_DRIVER(mogura_state, screen_update_mogura) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", mogura) MCFG_PALETTE_ADD("palette", 32) MCFG_PALETTE_INIT_OWNER(mogura_state, mogura) /* sound hardware */ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") MCFG_DAC_ADD("dac1") MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50) MCFG_DAC_ADD("dac2") MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50) MACHINE_CONFIG_END ROM_START( mogura ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "gx141.5n", 0x00000, 0x08000, CRC(98e6120d) SHA1(45cdb2d78224a7c44fff8cd3487f33c57669a06c) ) ROM_REGION( 0x20, "proms", 0 ) ROM_LOAD( "gx141.7j", 0x00, 0x20, CRC(b21c5d5f) SHA1(6913c840dd69a7d4687f4c4cbe3ff12300f62bc2) ) ROM_END GAME( 1991, mogura, 0, mogura, mogura, driver_device, 0, ROT0, "Konami", "Mogura Desse (Japan)", MACHINE_SUPPORTS_SAVE )