// license:BSD-3-Clause // copyright-holders:David Haywood /* Mogura Desse */ #include "emu.h" #include "includes/konamipt.h" #include "cpu/z80/z80.h" #include "sound/dac.h" #include "sound/volt_reg.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #include "tilemap.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_ldac(*this, "ldac"), m_rdac(*this, "rdac"), m_gfxram(*this, "gfxram"), m_tileram(*this, "tileram"), m_gfxdecode(*this, "gfxdecode") { } void mogura(machine_config &config); private: required_device m_maincpu; required_device m_ldac; required_device m_rdac; 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; void mogura_palette(palette_device &palette) const; uint32_t screen_update_mogura(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void mogura_io_map(address_map &map); void mogura_map(address_map &map); }; void mogura_state::mogura_palette(palette_device &palette) const { uint8_t const *const color_prom = memregion("proms")->base(); for (int i = 0, j = 0; i < 0x20; i++) { int bit0, bit1, bit2; // red component bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); bit2 = BIT(color_prom[i], 2); int const 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); int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; // blue component bit0 = 0; bit1 = BIT(color_prom[i], 6); bit2 = BIT(color_prom[i], 7); int const 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(*this, FUNC(mogura_state::get_mogura_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 64, 32); } uint32_t 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_ldac->write(data >> 4); m_rdac->write(data & 15); } WRITE8_MEMBER(mogura_state::mogura_gfxram_w) { m_gfxram[offset] = data ; m_gfxdecode->gfx(0)->mark_dirty(offset / 16); } void mogura_state::mogura_map(address_map &map) { map(0x0000, 0x7fff).rom(); map(0xc000, 0xdfff).ram(); // main ram map(0xe000, 0xefff).ram().w(FUNC(mogura_state::mogura_gfxram_w)).share("gfxram"); // ram based characters map(0xf000, 0xffff).ram().w(FUNC(mogura_state::mogura_tileram_w)).share("tileram"); // tilemap } void mogura_state::mogura_io_map(address_map &map) { map.global_mask(0xff); map(0x00, 0x00).nopw(); // ?? map(0x08, 0x08).portr("SYSTEM"); map(0x0c, 0x0c).portr("P1"); map(0x0d, 0x0d).portr("P2"); map(0x0e, 0x0e).portr("P3"); map(0x0f, 0x0f).portr("P4"); map(0x10, 0x10).portr("SERVICE"); map(0x14, 0x14).w(FUNC(mogura_state::mogura_dac_w)); /* 4 bit DAC x 2. MSB = left, LSB = right */ } 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( gfx_mogura ) GFXDECODE_ENTRY( nullptr, 0, tiles8x8_layout, 0, 8 ) GFXDECODE_END void mogura_state::machine_start() { } void mogura_state::mogura(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 3000000); /* 3 MHz */ m_maincpu->set_addrmap(AS_PROGRAM, &mogura_state::mogura_map); m_maincpu->set_addrmap(AS_IO, &mogura_state::mogura_io_map); m_maincpu->set_vblank_int("screen", FUNC(mogura_state::irq0_line_hold)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); // ? screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); screen.set_size(512, 512); screen.set_visarea(0, 320-1, 0, 256-1); screen.set_screen_update(FUNC(mogura_state::screen_update_mogura)); screen.set_palette("palette"); GFXDECODE(config, m_gfxdecode, "palette", gfx_mogura); PALETTE(config, "palette", FUNC(mogura_state::mogura_palette), 32); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); DAC_4BIT_R2R(config, m_ldac, 0).add_route(ALL_OUTPUTS, "lspeaker", 0.25); // unknown DAC DAC_4BIT_R2R(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 0.25); // unknown DAC voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT); vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT); } 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, mogura_state, empty_init, ROT0, "Konami", "Mogura Desse (Japan)", MACHINE_SUPPORTS_SAVE )