diff options
Diffstat (limited to 'src/mame/drivers/segac2.cpp')
-rw-r--r-- | src/mame/drivers/segac2.cpp | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/src/mame/drivers/segac2.cpp b/src/mame/drivers/segac2.cpp index 5da9d8f151a..0613bb24b40 100644 --- a/src/mame/drivers/segac2.cpp +++ b/src/mame/drivers/segac2.cpp @@ -563,7 +563,7 @@ WRITE8_MEMBER(segac2_state::prot_w) m_sp_palbase = new_sp_palbase; m_bg_palbase = new_bg_palbase; recompute_palette_tables(); - if (LOG_PALETTE) logerror("Set palbank: %d/%d (scan=%d)\n", m_bg_palbase, m_sp_palbase, m_screen->vpos()); + if (LOG_PALETTE && m_screen) logerror("Set palbank: %d/%d (scan=%d)\n", m_bg_palbase, m_sp_palbase, m_screen->vpos()); } } @@ -1542,15 +1542,16 @@ WRITE_LINE_MEMBER(segac2_state::vdp_lv4irqline_callback_c2) } -MACHINE_CONFIG_START(segac2_state::segac) - +void segac2_state::segac(machine_config &config) +{ /* basic machine hardware */ - MCFG_DEVICE_ADD("maincpu", M68000, XL2_CLOCK/6) - MCFG_DEVICE_PROGRAM_MAP(main_map) - MCFG_DEVICE_IRQ_ACKNOWLEDGE_DRIVER(md_base_state,genesis_int_callback) + M68000(config, m_maincpu, XL2_CLOCK/6); + m_maincpu->set_addrmap(AS_PROGRAM, &segac2_state::main_map); + m_maincpu->set_irq_acknowledge_callback(FUNC(md_base_state::genesis_int_callback)); MCFG_MACHINE_START_OVERRIDE(segac2_state,segac2) MCFG_MACHINE_RESET_OVERRIDE(segac2_state,segac2) + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_1); // borencha requires 0xff fill or there is no sound (it lacks some of the init code of the borench set) sega_315_5296_device &io(SEGA_315_5296(config, "io", XL2_CLOCK/6)); // clock divider guessed @@ -1564,36 +1565,36 @@ MACHINE_CONFIG_START(segac2_state::segac) io.out_ph_callback().set(FUNC(segac2_state::io_porth_w)); /* video hardware */ - MCFG_DEVICE_ADD("gen_vdp", SEGA315_5313, XL2_CLOCK, "maincpu") - MCFG_SEGA315_5313_IS_PAL(false) - MCFG_SEGA315_5313_SND_IRQ_CALLBACK(WRITELINE(*this, segac2_state, vdp_sndirqline_callback_c2)); - MCFG_SEGA315_5313_LV6_IRQ_CALLBACK(WRITELINE(*this, segac2_state, vdp_lv6irqline_callback_c2)); - MCFG_SEGA315_5313_LV4_IRQ_CALLBACK(WRITELINE(*this, segac2_state, vdp_lv4irqline_callback_c2)); - MCFG_SEGA315_5313_ALT_TIMING(1); - MCFG_VIDEO_SET_SCREEN("megadriv") - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5) - - MCFG_TIMER_DEVICE_ADD_SCANLINE("scantimer", "gen_vdp", sega315_5313_device, megadriv_scanline_timer_callback_alt_timing, "megadriv", 0, 1) - - MCFG_SCREEN_ADD("megadriv", RASTER) - MCFG_SCREEN_REFRESH_RATE(60) - MCFG_SCREEN_SIZE(512, 262) - MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 0, 28*8-1) - MCFG_SCREEN_UPDATE_DRIVER(segac2_state, screen_update_segac2_new) - MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(*this, segac2_state, screen_vblank_megadriv)) - - MCFG_PALETTE_ADD("palette", 2048*3) + SEGA315_5313(config, m_vdp, XL2_CLOCK, m_maincpu); + m_vdp->set_is_pal(false); + m_vdp->snd_irq().set(FUNC(segac2_state::vdp_sndirqline_callback_c2)); + m_vdp->lv6_irq().set(FUNC(segac2_state::vdp_lv6irqline_callback_c2)); + m_vdp->lv4_irq().set(FUNC(segac2_state::vdp_lv4irqline_callback_c2)); + m_vdp->set_alt_timing(1); + m_vdp->set_screen("megadriv"); + m_vdp->add_route(ALL_OUTPUTS, "mono", 0.5); + + TIMER(config, "scantimer").configure_scanline("gen_vdp", FUNC(sega315_5313_device::megadriv_scanline_timer_callback_alt_timing), "megadriv", 0, 1); + + screen_device &screen(SCREEN(config, "megadriv", SCREEN_TYPE_RASTER)); + screen.set_refresh_hz(60); + screen.set_size(512, 262); + screen.set_visarea(0, 32*8-1, 0, 28*8-1); + screen.set_screen_update(FUNC(segac2_state::screen_update_segac2_new)); + screen.screen_vblank().set(FUNC(segac2_state::screen_vblank_megadriv)); + + PALETTE(config, m_palette).set_entries(2048*3); MCFG_VIDEO_START_OVERRIDE(segac2_state,segac2_new) /* sound hardware */ SPEAKER(config, "mono").front_center(); - MCFG_DEVICE_ADD("ymsnd", YM3438, XL2_CLOCK/7) - MCFG_YM2612_IRQ_HANDLER(WRITELINE(*this, segac2_state, segac2_irq2_interrupt)) - MCFG_SOUND_ROUTE(0, "mono", 0.50) + ym3438_device &ymsnd(YM3438(config, "ymsnd", XL2_CLOCK/7)); + ymsnd.irq_handler().set(FUNC(segac2_state::segac2_irq2_interrupt)); + ymsnd.add_route(0, "mono", 0.50); /* right channel not connected */ -MACHINE_CONFIG_END +} void segac2_state::segac2(machine_config &config) |