diff options
Diffstat (limited to 'src/mame/drivers/sms.cpp')
-rw-r--r-- | src/mame/drivers/sms.cpp | 155 |
1 files changed, 70 insertions, 85 deletions
diff --git a/src/mame/drivers/sms.cpp b/src/mame/drivers/sms.cpp index 9bee323b0ab..436e5c82351 100644 --- a/src/mame/drivers/sms.cpp +++ b/src/mame/drivers/sms.cpp @@ -263,15 +263,15 @@ DC00 - Selection buttons #2, 9-16 (R) #define MASTER_CLOCK_PAL 53203425.0 /* 12 * subcarrier freq. (4.43361875MHz) */ -void sms_state::sms1_mem(address_map &map) +void sms1_state::sms1_mem(address_map &map) { - map(0x0000, 0xbfff).w(FUNC(sms_state::write_cart)); - map(0x0000, 0x3fff).r(FUNC(sms_state::read_0000)); - map(0x4000, 0x7fff).r(FUNC(sms_state::read_4000)); - map(0x8000, 0xbfff).r(FUNC(sms_state::read_8000)); - map(0xc000, 0xfff7).rw(FUNC(sms_state::read_ram), FUNC(sms_state::write_ram)); - map(0xfff8, 0xfffb).rw(FUNC(sms_state::sms_sscope_r), FUNC(sms_state::sms_sscope_w)); /* 3-D glasses */ - map(0xfffc, 0xffff).rw(FUNC(sms_state::sms_mapper_r), FUNC(sms_state::sms_mapper_w)); /* Bankswitch control */ + map(0x0000, 0xbfff).w(FUNC(sms1_state::write_cart)); + map(0x0000, 0x3fff).r(FUNC(sms1_state::read_0000)); + map(0x4000, 0x7fff).r(FUNC(sms1_state::read_4000)); + map(0x8000, 0xbfff).r(FUNC(sms1_state::read_8000)); + map(0xc000, 0xfff7).rw(FUNC(sms1_state::read_ram), FUNC(sms1_state::write_ram)); + map(0xfff8, 0xfffb).rw(FUNC(sms1_state::sscope_r), FUNC(sms1_state::sscope_w)); /* 3-D glasses */ + map(0xfffc, 0xffff).rw(FUNC(sms1_state::sms_mapper_r), FUNC(sms1_state::sms_mapper_w)); /* Bankswitch control */ } void sms_state::sms_mem(address_map &map) @@ -361,22 +361,22 @@ void sms_state::smsj_io(address_map &map) // It seems the mirrors for I/O ports $3E/$3F also don't seem to exist on the // Game Gear. Leaving the mirrors breaks 'gloc' (it freezes after 1st stage). -void sms_state::gg_io(address_map &map) +void gamegear_state::gg_io(address_map &map) { map.global_mask(0xff); map.unmap_value_high(); - map(0x00, 0x00).r(FUNC(sms_state::gg_input_port_00_r)); - map(0x01, 0x05).rw(FUNC(sms_state::gg_sio_r), FUNC(sms_state::gg_sio_w)); - map(0x06, 0x06).w(FUNC(sms_state::gg_psg_stereo_w)); - map(0x3e, 0x3e).w(FUNC(sms_state::sms_mem_control_w)); - map(0x3f, 0x3f).w(FUNC(sms_state::sms_io_control_w)); - map(0x40, 0x7f).r(FUNC(sms_state::sms_count_r)).w(m_vdp, FUNC(sega315_5124_device::psg_w)); + map(0x00, 0x00).r(FUNC(gamegear_state::gg_input_port_00_r)); + map(0x01, 0x05).rw(FUNC(gamegear_state::gg_sio_r), FUNC(gamegear_state::gg_sio_w)); + map(0x06, 0x06).w(FUNC(gamegear_state::gg_psg_stereo_w)); + map(0x3e, 0x3e).w(FUNC(gamegear_state::sms_mem_control_w)); + map(0x3f, 0x3f).w(FUNC(gamegear_state::sms_io_control_w)); + map(0x40, 0x7f).r(FUNC(gamegear_state::sms_count_r)).w(m_vdp, FUNC(sega315_5124_device::psg_w)); map(0x80, 0x80).mirror(0x3e).rw(m_vdp, FUNC(sega315_5124_device::data_read), FUNC(sega315_5124_device::data_write)); map(0x81, 0x81).mirror(0x3e).rw(m_vdp, FUNC(sega315_5124_device::control_read), FUNC(sega315_5124_device::control_write)); - map(0xc0, 0xc0).r(FUNC(sms_state::sms_input_port_dc_r)); - map(0xc1, 0xc1).r(FUNC(sms_state::sms_input_port_dd_r)); - map(0xdc, 0xdc).r(FUNC(sms_state::sms_input_port_dc_r)); - map(0xdd, 0xdd).r(FUNC(sms_state::sms_input_port_dd_r)); + map(0xc0, 0xc0).r(FUNC(gamegear_state::sms_input_port_dc_r)); + map(0xc1, 0xc1).r(FUNC(gamegear_state::sms_input_port_dd_r)); + map(0xdc, 0xdc).r(FUNC(gamegear_state::sms_input_port_dc_r)); + map(0xdd, 0xdd).r(FUNC(gamegear_state::sms_input_port_dd_r)); } @@ -564,7 +564,7 @@ void sms_state::screen_sms_ntsc_raw_params(screen_device &screen, X &&pixelclock } template <typename X> -void sms_state::screen_gg_raw_params(screen_device &screen, X &&pixelclock) +void gamegear_state::screen_gg_raw_params(screen_device &screen, X &&pixelclock) { screen.set_raw(std::forward<X>(pixelclock), sega315_5124_device::WIDTH, @@ -596,32 +596,29 @@ void sms_state::sms2_ntsc(machine_config &config) } -void sms_state::sms1_ntsc(machine_config &config) +void sms1_state::sms1_ntsc(machine_config &config) { sms_ntsc_base(config); - m_maincpu->set_addrmap(AS_PROGRAM, &sms_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses + m_maincpu->set_addrmap(AS_PROGRAM, &sms1_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses /* video hardware */ SCREEN(config, m_main_scr, SCREEN_TYPE_RASTER); screen_sms_ntsc_raw_params(*m_main_scr, XTAL(10'738'635)/2); - m_main_scr->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_main_scr->set_screen_update(FUNC(sms1_state::screen_update_sms)); SCREEN(config, m_left_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Left LCD screen_sms_ntsc_raw_params(*m_left_lcd, XTAL(10'738'635)/2); - m_left_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1_left)); + m_left_lcd->set_screen_update(FUNC(sms1_state::screen_update_left)); SCREEN(config, m_right_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Right LCD screen_sms_ntsc_raw_params(*m_right_lcd, XTAL(10'738'635)/2); - m_right_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1_right)); + m_right_lcd->set_screen_update(FUNC(sms1_state::screen_update_right)); - m_main_scr->screen_vblank().set(FUNC(sms_state::screen_vblank_sms1)); + m_main_scr->screen_vblank().set(FUNC(sms1_state::sscope_vblank)); config.set_default_layout(layout_sms1); - MCFG_VIDEO_START_OVERRIDE(sms_state,sms1) - MCFG_VIDEO_RESET_OVERRIDE(sms_state,sms1) - SEGA315_5124(config, m_vdp, XTAL(10'738'635)); m_vdp->set_screen(m_main_scr); m_vdp->set_is_pal(false); @@ -690,32 +687,29 @@ void sms_state::sms2_pal(machine_config &config) m_has_bios_full = true; } -void sms_state::sms1_pal(machine_config &config) +void sms1_state::sms1_pal(machine_config &config) { sms_pal_base(config); - m_maincpu->set_addrmap(AS_PROGRAM, &sms_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses + m_maincpu->set_addrmap(AS_PROGRAM, &sms1_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses /* video hardware */ SCREEN(config, m_main_scr, SCREEN_TYPE_RASTER); screen_sms_pal_raw_params(*m_main_scr, MASTER_CLOCK_PAL/10); - m_main_scr->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_main_scr->set_screen_update(FUNC(sms1_state::screen_update_sms)); SCREEN(config, m_left_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Left LCD screen_sms_pal_raw_params(*m_left_lcd, MASTER_CLOCK_PAL/10); - m_left_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_left_lcd->set_screen_update(FUNC(sms1_state::screen_update_left)); SCREEN(config, m_right_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Right LCD screen_sms_pal_raw_params(*m_right_lcd, MASTER_CLOCK_PAL/10); - m_right_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_right_lcd->set_screen_update(FUNC(sms1_state::screen_update_right)); - m_main_scr->screen_vblank().set(FUNC(sms_state::screen_vblank_sms1)); + m_main_scr->screen_vblank().set(FUNC(sms1_state::sscope_vblank)); config.set_default_layout(layout_sms1); - MCFG_VIDEO_START_OVERRIDE(sms_state,sms1) - MCFG_VIDEO_RESET_OVERRIDE(sms_state,sms1) - SEGA315_5124(config, m_vdp, MASTER_CLOCK_PAL/5); m_vdp->set_screen(m_main_scr); m_vdp->set_is_pal(true); @@ -762,32 +756,29 @@ void sms_state::sms3_paln(machine_config &config) m_has_bios_full = true; } -void sms_state::sms1_paln(machine_config &config) +void sms1_state::sms1_paln(machine_config &config) { sms_paln_base(config); - m_maincpu->set_addrmap(AS_PROGRAM, &sms_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses + m_maincpu->set_addrmap(AS_PROGRAM, &sms1_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses /* video hardware */ SCREEN(config, m_main_scr, SCREEN_TYPE_RASTER); screen_sms_pal_raw_params(*m_main_scr, MASTER_CLOCK_PALN/2); - m_main_scr->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_main_scr->set_screen_update(FUNC(sms1_state::screen_update_sms)); SCREEN(config, m_left_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Left LCD screen_sms_pal_raw_params(*m_left_lcd, MASTER_CLOCK_PALN/2); - m_left_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_left_lcd->set_screen_update(FUNC(sms1_state::screen_update_left)); SCREEN(config, m_right_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Right LCD screen_sms_pal_raw_params(*m_right_lcd, MASTER_CLOCK_PALN/2); - m_right_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_right_lcd->set_screen_update(FUNC(sms1_state::screen_update_right)); - m_main_scr->screen_vblank().set(FUNC(sms_state::screen_vblank_sms1)); + m_main_scr->screen_vblank().set(FUNC(sms1_state::sscope_vblank)); config.set_default_layout(layout_sms1); - MCFG_VIDEO_START_OVERRIDE(sms_state,sms1) - MCFG_VIDEO_RESET_OVERRIDE(sms_state,sms1) - SEGA315_5124(config, m_vdp, MASTER_CLOCK_PALN); m_vdp->set_screen(m_main_scr); m_vdp->set_is_pal(true); @@ -835,33 +826,30 @@ void sms_state::sms3_br(machine_config &config) m_has_bios_full = true; } -void sms_state::sms1_br(machine_config &config) +void sms1_state::sms1_br(machine_config &config) { sms_br_base(config); - m_maincpu->set_addrmap(AS_PROGRAM, &sms_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses + m_maincpu->set_addrmap(AS_PROGRAM, &sms1_state::sms1_mem); // This adds the SegaScope handlers for 3-D glasses /* video hardware */ // PAL-M height/width parameters are the same of NTSC screens. SCREEN(config, m_main_scr, SCREEN_TYPE_RASTER); screen_sms_ntsc_raw_params(*m_main_scr, MASTER_CLOCK_PALM/2); - m_main_scr->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_main_scr->set_screen_update(FUNC(sms1_state::screen_update_sms)); SCREEN(config, m_left_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Left LCD screen_sms_ntsc_raw_params(*m_left_lcd, MASTER_CLOCK_PALM/2); - m_left_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_left_lcd->set_screen_update(FUNC(sms1_state::screen_update_left)); SCREEN(config, m_right_lcd, SCREEN_TYPE_LCD); // This is needed for SegaScope Right LCD screen_sms_ntsc_raw_params(*m_right_lcd, MASTER_CLOCK_PALM/2); - m_right_lcd->set_screen_update(FUNC(sms_state::screen_update_sms1)); + m_right_lcd->set_screen_update(FUNC(sms1_state::screen_update_right)); - m_main_scr->screen_vblank().set(FUNC(sms_state::screen_vblank_sms1)); + m_main_scr->screen_vblank().set(FUNC(sms1_state::sscope_vblank)); config.set_default_layout(layout_sms1); - MCFG_VIDEO_START_OVERRIDE(sms_state,sms1) - MCFG_VIDEO_RESET_OVERRIDE(sms_state,sms1) - SEGA315_5124(config, m_vdp, MASTER_CLOCK_PALM); m_vdp->set_screen(m_main_scr); m_vdp->set_is_pal(false); // PAL-M has same line count of NTSC @@ -892,11 +880,11 @@ void sms_state::sms2_kr(machine_config &config) m_has_jpn_sms_cart_slot = true; } -void sms_state::sms1_kr(machine_config &config) +void sms1_state::sms1_kr(machine_config &config) { sms1_ntsc(config); - m_maincpu->set_addrmap(AS_IO, &sms_state::smskr_io); + m_maincpu->set_addrmap(AS_IO, &sms1_state::smskr_io); // need to replace the cartridge slot with the Japanese version, so to // keep the usual media order, remove and reinsert all of them. @@ -909,7 +897,7 @@ void sms_state::sms1_kr(machine_config &config) SOFTWARE_LIST(config, "cart_list2").set_original("sg1000"); - m_vdp->n_csync().set(FUNC(sms_state::sms_n_csync_callback)); + m_vdp->n_csync().set(FUNC(sms1_state::rapid_n_csync_callback)); m_has_bios_full = false; m_has_bios_2000 = true; @@ -917,11 +905,11 @@ void sms_state::sms1_kr(machine_config &config) m_has_jpn_sms_cart_slot = true; } -void sms_state::smsj(machine_config &config) +void sms1_state::smsj(machine_config &config) { sms1_kr(config); - m_maincpu->set_addrmap(AS_IO, &sms_state::smsj_io); + m_maincpu->set_addrmap(AS_IO, &sms1_state::smsj_io); YM2413(config, m_ym, XTAL(10'738'635)/3); // if this output gain is changed, the gain set when unmute the output need @@ -931,11 +919,11 @@ void sms_state::smsj(machine_config &config) m_is_smsj = true; } -void sms_state::sg1000m3(machine_config &config) +void sms1_state::sg1000m3(machine_config &config) { sms1_ntsc(config); - m_maincpu->set_addrmap(AS_IO, &sms_state::sg1000m3_io); + m_maincpu->set_addrmap(AS_IO, &sms1_state::sg1000m3_io); // Remove and reinsert all media slots, as done with the sms1_kr config, // and also replace the expansion slot with the SG-1000 version. @@ -957,22 +945,19 @@ void sms_state::sg1000m3(machine_config &config) m_has_jpn_sms_cart_slot = true; } -void sms_state::gamegear(machine_config &config) +void gamegear_state::gamegear(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, MASTER_CLOCK_GG/9); - m_maincpu->set_addrmap(AS_PROGRAM, &sms_state::sms_mem); - m_maincpu->set_addrmap(AS_IO, &sms_state::gg_io); + m_maincpu->set_addrmap(AS_PROGRAM, &gamegear_state::sms_mem); + m_maincpu->set_addrmap(AS_IO, &gamegear_state::gg_io); config.m_minimum_quantum = attotime::from_hz(60); /* video hardware */ SCREEN(config, m_main_scr, SCREEN_TYPE_LCD); screen_gg_raw_params(*m_main_scr, MASTER_CLOCK_GG/6); - m_main_scr->set_screen_update(FUNC(sms_state::screen_update_gamegear)); - - MCFG_VIDEO_START_OVERRIDE(sms_state,gamegear) - MCFG_VIDEO_RESET_OVERRIDE(sms_state,gamegear) + m_main_scr->set_screen_update(FUNC(gamegear_state::screen_update_gamegear)); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); @@ -983,7 +968,7 @@ void sms_state::gamegear(machine_config &config) m_vdp->set_screen(m_main_scr); m_vdp->set_is_pal(false); m_vdp->n_int().set_inputline(m_maincpu, 0); - m_vdp->vblank().set(FUNC(sms_state::gg_pause_callback)); + m_vdp->vblank().set(FUNC(gamegear_state::gg_pause_callback)); m_vdp->add_route(0, "lspeaker", 1.00); m_vdp->add_route(1, "rspeaker", 1.00); @@ -994,14 +979,14 @@ void sms_state::gamegear(machine_config &config) GG_EXT_PORT(config, m_port_gg_ext, gg_ext_port_devices, nullptr); m_port_gg_ext->set_screen_tag(m_main_scr); - m_port_gg_ext->th_input_handler().set(FUNC(sms_state::gg_ext_th_input)); + m_port_gg_ext->th_input_handler().set(FUNC(gamegear_state::gg_ext_th_input)); m_is_gamegear = true; m_has_bios_0400 = true; m_has_pwr_led = true; } -void sms_state::gamegeaj(machine_config &config) +void gamegear_state::gamegeaj(machine_config &config) { gamegear(config); m_ioctrl_region_is_japan = true; @@ -1255,22 +1240,22 @@ ROM_END ***************************************************************************/ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -CONS( 1985, sg1000m3, sms, 0, sg1000m3, sg1000m3, sms_state, empty_init, "Sega", "Mark III", MACHINE_SUPPORTS_SAVE ) -CONS( 1986, sms1, sms, 0, sms1_ntsc, sms1, sms_state, empty_init, "Sega", "Master System I", MACHINE_SUPPORTS_SAVE ) -CONS( 1986, sms1pal, sms, 0, sms1_pal, sms1, sms_state, empty_init, "Sega", "Master System I (PAL)" , MACHINE_SUPPORTS_SAVE ) +CONS( 1985, sg1000m3, sms, 0, sg1000m3, sg1000m3, sms1_state, empty_init, "Sega", "Mark III", MACHINE_SUPPORTS_SAVE ) +CONS( 1986, sms1, sms, 0, sms1_ntsc, sms1, sms1_state, empty_init, "Sega", "Master System I", MACHINE_SUPPORTS_SAVE ) +CONS( 1986, sms1pal, sms, 0, sms1_pal, sms1, sms1_state, empty_init, "Sega", "Master System I (PAL)" , MACHINE_SUPPORTS_SAVE ) CONS( 1986, smssdisp, sms, 0, sms_sdisp, smssdisp, smssdisp_state, empty_init, "Sega", "Master System Store Display Unit", MACHINE_SUPPORTS_SAVE ) -CONS( 1987, smsj, sms, 0, smsj, smsj, sms_state, empty_init, "Sega", "Master System (Japan)", MACHINE_SUPPORTS_SAVE ) +CONS( 1987, smsj, sms, 0, smsj, smsj, sms1_state, empty_init, "Sega", "Master System (Japan)", MACHINE_SUPPORTS_SAVE ) CONS( 1990, sms, 0, 0, sms2_ntsc, sms, sms_state, empty_init, "Sega", "Master System II", MACHINE_SUPPORTS_SAVE ) CONS( 1990, smspal, sms, 0, sms2_pal, sms, sms_state, empty_init, "Sega", "Master System II (PAL)", MACHINE_SUPPORTS_SAVE ) -CONS( 1989, sms1krfm, sms, 0, smsj, smsj, sms_state, empty_init, "Samsung", "Gam*Boy I (Korea) (FM)", MACHINE_SUPPORTS_SAVE ) -CONS( 19??, sms1kr, sms, 0, sms1_kr, smsj, sms_state, empty_init, "Samsung", "Gam*Boy I (Korea)", MACHINE_SUPPORTS_SAVE ) +CONS( 1989, sms1krfm, sms, 0, smsj, smsj, sms1_state, empty_init, "Samsung", "Gam*Boy I (Korea) (FM)", MACHINE_SUPPORTS_SAVE ) +CONS( 19??, sms1kr, sms, 0, sms1_kr, smsj, sms1_state, empty_init, "Samsung", "Gam*Boy I (Korea)", MACHINE_SUPPORTS_SAVE ) CONS( 1991, smskr, sms, 0, sms2_kr, sms, sms_state, empty_init, "Samsung", "Gam*Boy II (Korea)", MACHINE_SUPPORTS_SAVE ) -CONS( 1989, sms1br, sms, 0, sms1_br, sms1, sms_state, empty_init, "Tec Toy", "Master System I (Brazil)", MACHINE_SUPPORTS_SAVE ) -CONS( 1991, sms2br, sms, 0, sms1_br, sms1, sms_state, empty_init, "Tec Toy", "Master System II (Brazil)", MACHINE_SUPPORTS_SAVE ) +CONS( 1989, sms1br, sms, 0, sms1_br, sms1, sms1_state, empty_init, "Tec Toy", "Master System I (Brazil)", MACHINE_SUPPORTS_SAVE ) +CONS( 1991, sms2br, sms, 0, sms1_br, sms1, sms1_state, empty_init, "Tec Toy", "Master System II (Brazil)", MACHINE_SUPPORTS_SAVE ) CONS( 1992, smsbr, sms, 0, sms3_br, sms, sms_state, empty_init, "Tec Toy", "Master System III Compact (Brazil)", MACHINE_SUPPORTS_SAVE ) -CONS( 19??, sms1paln, sms, 0, sms1_paln, sms1, sms_state, empty_init, "Tec Toy", "Master System I (PAL-N)", MACHINE_SUPPORTS_SAVE ) -CONS( 19??, sms2paln, sms, 0, sms1_paln, sms1, sms_state, empty_init, "Tec Toy", "Master System II (PAL-N)", MACHINE_SUPPORTS_SAVE ) +CONS( 19??, sms1paln, sms, 0, sms1_paln, sms1, sms1_state, empty_init, "Tec Toy", "Master System I (PAL-N)", MACHINE_SUPPORTS_SAVE ) +CONS( 19??, sms2paln, sms, 0, sms1_paln, sms1, sms1_state, empty_init, "Tec Toy", "Master System II (PAL-N)", MACHINE_SUPPORTS_SAVE ) CONS( 19??, smspaln, sms, 0, sms3_paln, sms, sms_state, empty_init, "Tec Toy", "Master System III Compact (PAL-N)", MACHINE_SUPPORTS_SAVE ) -CONS( 1991, gamegear, 0, sms, gamegear, gg, sms_state, empty_init, "Sega", "Game Gear (Europe/America)", MACHINE_SUPPORTS_SAVE ) -CONS( 1990, gamegeaj, gamegear, 0, gamegeaj, gg, sms_state, empty_init, "Sega", "Game Gear (Japan)", MACHINE_SUPPORTS_SAVE ) +CONS( 1991, gamegear, 0, sms, gamegear, gg, gamegear_state, empty_init, "Sega", "Game Gear (Europe/America)", MACHINE_SUPPORTS_SAVE ) +CONS( 1990, gamegeaj, gamegear, 0, gamegeaj, gg, gamegear_state, empty_init, "Sega", "Game Gear (Japan)", MACHINE_SUPPORTS_SAVE ) |