// license:BSD-3-Clause // copyright-holders:Angelo Salese, AJR /*************************************************************************** Futari Mahjong Ron II (c) 1981 Sanritsu TODO: - colors; - dip switches; - sound, especially f/f part; ============================================================================ Debug cheats: 0x8580-d player-1 tiles 0x8680-d player-2 tiles ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "cpu/mcs48/mcs48.h" #include "sound/ay8910.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #include "debugger.h" // TBD #define MAIN_CLOCK (XTAL(15'468'480) / 4) #define VIDEO_CLOCK (XTAL(15'468'480) / 3) #define SOUND_CLOCK XTAL(3'579'545) class ron_state : public driver_device { public: ron_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_audiocpu(*this, "audiocpu"), m_ay(*this, "aysnd"), m_gfxdecode(*this, "gfxdecode"), m_vram(*this, "vram"), m_cram(*this, "cram"), m_mj_ports1(*this, "PL1_%u", 1U), m_mj_ports2(*this, "PL2_%u", 1U), m_in0(*this, "IN0"), m_in1(*this, "IN1"), m_in2(*this, "IN2"), m_in3(*this, "IN3") { } void ron(machine_config &config); private: // screen updates uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void ron_palette(palette_device &palette) const; DECLARE_WRITE_LINE_MEMBER(vblank_irq); DECLARE_WRITE8_MEMBER(output_w); DECLARE_READ8_MEMBER(p1_mux_r); DECLARE_READ8_MEMBER(p2_mux_r); DECLARE_WRITE8_MEMBER(mux_w); DECLARE_WRITE8_MEMBER(sound_cmd_w); DECLARE_READ8_MEMBER(audio_cmd_r); DECLARE_WRITE8_MEMBER(audio_p1_w); DECLARE_WRITE8_MEMBER(audio_p2_w); DECLARE_READ_LINE_MEMBER(audio_t1_r); DECLARE_WRITE8_MEMBER(ay_pa_w); void ron_audio_io(address_map &map); void ron_audio_map(address_map &map); void ron_io(address_map &map); void ron_map(address_map &map); // driver_device overrides virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; // devices required_device m_maincpu; required_device m_audiocpu; required_device m_ay; required_device m_gfxdecode; required_shared_ptr m_vram; required_shared_ptr m_cram; required_ioport_array<8> m_mj_ports1; required_ioport_array<8> m_mj_ports2; required_ioport m_in0; required_ioport m_in1; required_ioport m_in2; required_ioport m_in3; bool m_nmi_enable; uint8_t m_mux_data; uint8_t read_mux(bool which,bool side); uint8_t m_prev_p2; uint8_t m_sound_command; bool m_ay_address_sel; }; void ron_state::video_start() { } uint32_t ron_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect ) { gfx_element *gfx = m_gfxdecode->gfx(0); int y,x; int count = 0; for (y=0;y<32;y++) { for (x=0;x<32;x++) { uint16_t tile = m_cram[count]; gfx->opaque(bitmap,cliprect,tile,0,0,0,x*8,y*8); count++; } } gfx = m_gfxdecode->gfx(1); count = 0; for (y=0;y<32;y++) { for (x=0;x<32;x++) { uint16_t tile = m_vram[count]; gfx->transpen(bitmap,cliprect,tile,0,0,0,x*8,y*8,0); count++; } } return 0; } WRITE8_MEMBER(ron_state::output_w) { m_nmi_enable = (data & 0x10) == 0x10; if (!m_nmi_enable) m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE); if(data & 0xef) printf("%02x\n",data); } uint8_t ron_state::read_mux(bool which,bool side) { uint8_t base_port = which == true ? 4 : 0; //uint8_t i,res; // printf("%02x\n", m_mux_data); //res = 0;//ioport("COINS")->read(); for(uint8_t i=0;i<4;i++) { if((~m_mux_data) & (1 << i)) return (side == true ? m_mj_ports2[i+base_port] : m_mj_ports1[i+base_port])->read(); } // TODO: check me return machine().rand(); } READ8_MEMBER(ron_state::p1_mux_r) { uint8_t res = offset == 0 ? (m_in0->read() & 0xcc) : (m_in1->read() & 0xfc); return read_mux(offset,false) | res; } READ8_MEMBER(ron_state::p2_mux_r) { uint8_t res = (offset == 0 ? m_in2 : m_in3)->read(); res &= 0xec; return (read_mux(offset,true) & 0x13) | res; } WRITE8_MEMBER(ron_state::mux_w) { m_mux_data = data; } WRITE8_MEMBER(ron_state::sound_cmd_w) { m_sound_command = data; m_audiocpu->set_input_line(INPUT_LINE_RESET, BIT(data, 7) ? CLEAR_LINE : ASSERT_LINE); } void ron_state::ron_map(address_map &map) { map(0x0000, 0x4fff).rom(); map(0x8000, 0x83ff).ram().share("vram"); map(0x8400, 0x87ff).ram(); map(0x8800, 0x8bff).ram().share("cram"); map(0x8c00, 0x8fff).ram(); } void ron_state::ron_io(address_map &map) { map.global_mask(0xff); map.unmap_value_high(); map(0x00, 0x01).r(FUNC(ron_state::p1_mux_r)); map(0x02, 0x03).r(FUNC(ron_state::p2_mux_r)); map(0x03, 0x03).w(FUNC(ron_state::mux_w)); map(0x07, 0x07).w(FUNC(ron_state::sound_cmd_w)); map(0x0a, 0x0a).w(FUNC(ron_state::output_w)); } void ron_state::ron_audio_map(address_map &map) { map(0x0000, 0x0fff).rom(); } void ron_state::ron_audio_io(address_map &map) { } static INPUT_PORTS_START( ron ) PORT_START("IN0") PORT_DIPNAME( 0x04, 0x04, "2-Players Mode" ) PORT_DIPSETTING( 0x04, "Versus" ) PORT_DIPSETTING( 0x00, "Alternates" ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN1") PORT_DIPNAME( 0x04, 0x04, "IN1" ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN2") PORT_DIPNAME( 0x04, 0x04, "2P Coinage" ) // how many credits per 2p mode PORT_DIPSETTING( 0x04, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN3") PORT_DIPNAME( 0x04, 0x04, "IN3" ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("PL1_1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_A ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_E ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_I ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_M ) PORT_PLAYER(1) PORT_START("PL1_2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_B ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_F ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_J ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_N ) PORT_PLAYER(1) PORT_START("PL1_3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_C ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_G ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_K ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_CHI ) PORT_PLAYER(1) PORT_START("PL1_4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_D ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_H ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_L ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_PON ) PORT_PLAYER(1) PORT_START("PL1_5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_KAN ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 ) PORT_START("PL1_6") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_REACH ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_START("PL1_7") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("PL1_8") PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("PL2_1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_A ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_E ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_I ) PORT_PLAYER(2) PORT_START("PL2_2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_B ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_F ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_J ) PORT_PLAYER(2) PORT_START("PL2_3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_C ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_G ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_K ) PORT_PLAYER(2) PORT_START("PL2_4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_D ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_H ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_L ) PORT_PLAYER(2) PORT_START("PL2_5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_M ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_KAN ) PORT_PLAYER(2) PORT_START("PL2_6") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_N ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_REACH ) PORT_PLAYER(2) PORT_START("PL2_7") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_CHI ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) PORT_PLAYER(2) PORT_START("PL2_8") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_PON ) PORT_PLAYER(2) PORT_BIT( 0x12, IP_ACTIVE_LOW, IPT_UNKNOWN ) INPUT_PORTS_END static const gfx_layout charlayout_1bpp = { 8,8, RGN_FRAC(1,1), 1, { RGN_FRAC(0,1) }, { STEP8(0,1) }, { STEP8(0,8) }, 8*8 }; static const gfx_layout charlayout_2bpp = { 8,8, RGN_FRAC(1,2), 2, { RGN_FRAC(0,2),RGN_FRAC(1,2) }, { STEP8(0,1) }, { STEP8(0,8) }, 8*8 }; static GFXDECODE_START( gfx_ron ) GFXDECODE_ENTRY( "gfx1", 0, charlayout_1bpp, 0, 1 ) GFXDECODE_ENTRY( "gfx2", 0, charlayout_2bpp, 4, 1 ) GFXDECODE_END void ron_state::machine_start() { save_item(NAME(m_sound_command)); } void ron_state::machine_reset() { m_sound_command = 0x80; } void ron_state::ron_palette(palette_device &palette) const { // TODO: proms? palette.set_pen_color(0, rgb_t(pal1bit(0), pal1bit(0), pal1bit(0))); palette.set_pen_color(1, rgb_t(pal1bit(1), pal1bit(1), pal1bit(1))); palette.set_pen_color(2, rgb_t(pal1bit(0), pal1bit(0), pal1bit(0))); palette.set_pen_color(3, rgb_t(pal1bit(0), pal1bit(0), pal1bit(0))); palette.set_pen_color(4, rgb_t(pal1bit(0), pal1bit(0), pal1bit(0))); palette.set_pen_color(5, rgb_t(pal1bit(1), pal1bit(1), pal1bit(0))); palette.set_pen_color(6, rgb_t(pal1bit(0), pal1bit(0), pal1bit(1))); palette.set_pen_color(7, rgb_t(pal1bit(1), pal1bit(1), pal1bit(1))); } WRITE_LINE_MEMBER(ron_state::vblank_irq) { if (state && m_nmi_enable) m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE); } READ8_MEMBER(ron_state::audio_cmd_r) { return m_sound_command << 3; } WRITE8_MEMBER(ron_state::audio_p1_w) { //address_space &space = m_audiocpu->space(AS_PROGRAM); //printf("p1 %02x %d\n",data,m_ay_address_sel); //machine().debug_break(); if(m_ay_address_sel == true) m_ay->address_w(data); else m_ay->data_w(data); } WRITE8_MEMBER(ron_state::audio_p2_w) { // TODO: guesswork, presumably f/f based // p2 ff // p2 3f if(data == 0xff) m_ay_address_sel = false; // p2 5f // p2 3f // p2 3f if(data == 0x5f) m_ay_address_sel = true; m_prev_p2 = data; //printf("p2 %02x\n",data); // machine().debug_break(); } READ_LINE_MEMBER(ron_state::audio_t1_r) { // TODO: what controls this? return !BIT(m_sound_command, 6); } WRITE8_MEMBER(ron_state::ay_pa_w) { } void ron_state::ron(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, MAIN_CLOCK); m_maincpu->set_addrmap(AS_PROGRAM, &ron_state::ron_map); m_maincpu->set_addrmap(AS_IO, &ron_state::ron_io); I8035(config, m_audiocpu, SOUND_CLOCK); m_audiocpu->set_addrmap(AS_PROGRAM, &ron_state::ron_audio_map); m_audiocpu->set_addrmap(AS_IO, &ron_state::ron_audio_io); m_audiocpu->set_t0_clk_cb("aysnd", FUNC(device_t::set_unscaled_clock_int)); m_audiocpu->p2_in_cb().set(FUNC(ron_state::audio_cmd_r)); m_audiocpu->p1_out_cb().set(FUNC(ron_state::audio_p1_w)); m_audiocpu->p2_out_cb().set(FUNC(ron_state::audio_p2_w)); m_audiocpu->t1_in_cb().set(FUNC(ron_state::audio_t1_r)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_screen_update(FUNC(ron_state::screen_update)); screen.set_raw(VIDEO_CLOCK, 320, 0, 256, 264, 0, 240); screen.set_palette("palette"); screen.screen_vblank().set(FUNC(ron_state::vblank_irq)); GFXDECODE(config, m_gfxdecode, "palette", gfx_ron); PALETTE(config, "palette", FUNC(ron_state::ron_palette), 8); //PALETTE(config, "palette", FUNC(ron_state::ron_palette), 512, 32); /* sound hardware */ SPEAKER(config, "mono").front_center(); AY8910(config, m_ay, 0); // T0 CLK from I8035 (not verified) m_ay->add_route(ALL_OUTPUTS, "mono", 0.30); m_ay->port_a_write_callback().set(FUNC(ron_state::ay_pa_w)); } /*************************************************************************** Machine driver(s) ***************************************************************************/ ROM_START( ron2 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) ROM_LOAD( "r0__1.9h", 0x000000, 0x001000, CRC(82a55ad4) SHA1(96ff9da1d2c57bc916f3341416ed4eb4144a16eb) ) ROM_LOAD( "r0__2.9k", 0x001000, 0x001000, CRC(6b654f8b) SHA1(145e7ea8c65c72b3858d22d3ce4c1a75672c9ed4) ) ROM_LOAD( "r0__3.9l", 0x002000, 0x001000, CRC(6a8c1ef0) SHA1(9300a54102ca096fbf3d5056ede782fba0f5f970) ) ROM_LOAD( "r0__4.9n", 0x003000, 0x001000, CRC(86340522) SHA1(0175dda90e9e4798e9f2ab7a0ab97aa397ca18b8) ) ROM_LOAD( "r0__5.8h", 0x004000, 0x001000, CRC(3a28ad40) SHA1(872ced2d7515850cd86b84c81b14f200093746ad) ) ROM_REGION( 0x10000, "audiocpu", ROMREGION_ERASE00 ) ROM_LOAD( "r0_mu.4a", 0x0000, 0x000800, CRC(3491d8d5) SHA1(0aa0581350f4b3b81f3fa1f7c55a9bfb1f2c5f3b) ) ROM_LOAD( "r0_v0.4c", 0x0800, 0x000800, CRC(4160eb7f) SHA1(1756937378cbabb2229129b794d8c5d955252ed4) ) ROM_REGION( 0x0800, "gfx1", ROMREGION_ERASE00 ) ROM_LOAD( "r0__b.4k", 0x0000, 0x0800, CRC(8a61cdde) SHA1(0a38573ed644f1ed897443187f5cb61a6eb499b2) ) ROM_REGION( 0x1000, "gfx2", ROMREGION_ERASE00 ) ROM_LOAD( "r0_a1.4n", 0x0000, 0x0800, CRC(2d6276f4) SHA1(432b7fe0a1f1e9fdc9e276bcf27f74a5aec6c940) ) ROM_LOAD( "r0_a2.4l", 0x0800, 0x0800, CRC(2fe4a54f) SHA1(bb1d109851677ede58f875eff2588f60f979864e) ) ROM_REGION( 0x040, "unk_proms", ROMREGION_ERASE00 ) // unknown, near sound roms ROM_LOAD( "82s123_1.6b", 0x000, 0x020, CRC(bd9bb647) SHA1(aad83eb295107cdc7ee96d78e81b0621ac351398) ) ROM_LOAD( "82s123_2.6c", 0x020, 0x020, CRC(439109d6) SHA1(f0d79048bb27a63c641296b3b1b81f513df9b33d) ) ROM_REGION( 0x020, "color_prom", ROMREGION_ERASE00 ) ROM_LOAD( "82s123_5.1n", 0x000, 0x020, CRC(869784fa) SHA1(4bd0f26961d0bb54edb5eab5708d34468721d4c4) ) ROM_REGION( 0x200, "clut_proms", ROMREGION_ERASE00 ) ROM_LOAD( "82s129_3.2n", 0x000, 0x100, CRC(018ab2a0) SHA1(039c574d8fd3c1a8e9eca6a7c79fe92e8496b157) ) ROM_LOAD( "82s129_4.2m", 0x100, 0x100, CRC(f3c05d59) SHA1(bd48963aa9f2bedaa0c1fd031d7c93089161d1d9) ) ROM_END GAME( 1981, ron2, 0, ron, ron, ron_state, empty_init, ROT270, "Sanritsu", "Futari Mahjong Ron II", MACHINE_IMPERFECT_SOUND | MACHINE_WRONG_COLORS )