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Diffstat (limited to 'src/mame/drivers/nes.cpp')
-rw-r--r-- | src/mame/drivers/nes.cpp | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/src/mame/drivers/nes.cpp b/src/mame/drivers/nes.cpp deleted file mode 100644 index b2aacb90e2a..00000000000 --- a/src/mame/drivers/nes.cpp +++ /dev/null @@ -1,380 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Brad Oliver,Fabio Priuli -/*************************************************************************** - - nes.c - - Driver file to handle emulation of the Nintendo Entertainment System (Famicom). - - MESS driver by Brad Oliver (bradman@pobox.com), NES sound code by Matt Conte. - Based in part on the old xNes code, by Nicolas Hamel, Chuck Mason, Brad Oliver, - Richard Bannister and Jeff Mitchell. - -***************************************************************************/ - -#include "emu.h" -#include "includes/nes.h" - -#include "cpu/m6502/n2a03.h" -#include "softlist.h" -#include "speaker.h" - - -WRITE8_MEMBER(nes_state::nes_vh_sprite_dma_w) -{ - m_ppu->spriteram_dma(space, data); -} - -void nes_state::nes_map(address_map &map) -{ - map(0x0000, 0x07ff).ram().mirror(0x1800); /* RAM */ - map(0x2000, 0x3fff).rw(m_ppu, FUNC(ppu2c0x_device::read), FUNC(ppu2c0x_device::write)); /* PPU registers */ - map(0x4014, 0x4014).w(FUNC(nes_state::nes_vh_sprite_dma_w)); /* stupid address space hole */ - map(0x4016, 0x4016).rw(FUNC(nes_state::nes_in0_r), FUNC(nes_state::nes_in0_w)); /* IN0 - input port 1 */ - map(0x4017, 0x4017).r(FUNC(nes_state::nes_in1_r)); /* IN1 - input port 2 */ - // 0x4100-0x5fff -> LOW HANDLER defined on a pcb base - // 0x6000-0x7fff -> MID HANDLER defined on a pcb base - // 0x8000-0xffff -> HIGH HANDLER defined on a pcb base -} - -static INPUT_PORTS_START( nes ) - // input devices go through slot options -INPUT_PORTS_END - -static INPUT_PORTS_START( famicom ) - // input devices go through slot options - PORT_START("FLIPDISK") /* fake key */ - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Change Disk Side") PORT_CODE(KEYCODE_SPACE) -INPUT_PORTS_END - - -void nes_state::nes(machine_config &config) -{ - /* basic machine hardware */ - n2a03_device &maincpu(N2A03(config, m_maincpu, NTSC_APU_CLOCK)); - maincpu.set_addrmap(AS_PROGRAM, &nes_state::nes_map); - - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_refresh_hz(60.0988); - // This isn't used so much to calulate the vblank duration (the PPU code tracks that manually) but to determine - // the number of cycles in each scanline for the PPU scanline timer. Since the PPU has 20 vblank scanlines + 2 - // non-rendering scanlines, we compensate. This ends up being 2500 cycles for the non-rendering portion, 2273 - // cycles for the actual vblank period. - m_screen->set_vblank_time(ATTOSECONDS_IN_USEC((113.66/(NTSC_APU_CLOCK.dvalue()/1000000)) * - (ppu2c0x_device::VBLANK_LAST_SCANLINE_NTSC-ppu2c0x_device::VBLANK_FIRST_SCANLINE+1+2))); - m_screen->set_size(32*8, 262); - m_screen->set_visarea(0*8, 32*8-1, 0*8, 30*8-1); - m_screen->set_screen_update(FUNC(nes_state::screen_update_nes)); - m_screen->screen_vblank().set(FUNC(nes_state::screen_vblank_nes)); - - PPU_2C02(config, m_ppu); - m_ppu->set_cpu_tag(m_maincpu); - m_ppu->int_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - maincpu.add_route(ALL_OUTPUTS, "mono", 0.90); - - NES_CONTROL_PORT(config, m_ctrl1, nes_control_port1_devices, "joypad"); - NES_CONTROL_PORT(config, m_ctrl2, nes_control_port2_devices, "joypad"); - m_ctrl1->set_screen_tag(m_screen); - m_ctrl2->set_screen_tag(m_screen); - - NES_CART_SLOT(config, m_cartslot, NTSC_APU_CLOCK, nes_cart, nullptr); - SOFTWARE_LIST(config, "cart_list").set_original("nes"); - SOFTWARE_LIST(config, "ade_list").set_original("nes_ade"); // Camerica/Codemasters Aladdin Deck Enhancer mini-carts - SOFTWARE_LIST(config, "ntb_list").set_original("nes_ntbrom"); // Sunsoft Nantettate! Baseball mini-carts - SOFTWARE_LIST(config, "kstudio_list").set_original("nes_kstudio"); // Bandai Karaoke Studio expansion carts - SOFTWARE_LIST(config, "datach_list").set_original("nes_datach"); // Bandai Datach Joint ROM System mini-carts -} - -void nes_state::nespal(machine_config &config) -{ - nes(config); - /* basic machine hardware */ - m_maincpu->set_clock(PAL_APU_CLOCK); - - PPU_2C07(config.replace(), m_ppu); - m_ppu->set_cpu_tag(m_maincpu); - m_ppu->int_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); - - m_cartslot->set_clock(PAL_APU_CLOCK); - - /* video hardware */ - m_screen->set_refresh_hz(50.0070); - m_screen->set_vblank_time(ATTOSECONDS_IN_USEC((106.53/(PAL_APU_CLOCK.dvalue()/1000000)) * - (ppu2c0x_device::VBLANK_LAST_SCANLINE_PAL-ppu2c0x_device::VBLANK_FIRST_SCANLINE+1+2))); - m_screen->set_size(32*8, 312); - m_screen->set_visarea(0*8, 32*8-1, 0*8, 30*8-1); -} - -void nes_state::famicom(machine_config &config) -{ - nes(config); - NES_CONTROL_PORT(config.replace(), m_ctrl1, fc_control_port1_devices, "joypad"); - NES_CONTROL_PORT(config.replace(), m_ctrl2, fc_control_port2_devices, "joypad"); - NES_CONTROL_PORT(config, m_exp, fc_expansion_devices, nullptr); - m_ctrl1->set_screen_tag(m_screen); - m_ctrl2->set_screen_tag(m_screen); - m_exp->set_screen_tag(m_screen); - - SOFTWARE_LIST(config, "flop_list").set_original("famicom_flop"); - SOFTWARE_LIST(config, "cass_list").set_original("famicom_cass"); -} - -void nes_state::nespalc(machine_config &config) -{ - nespal(config); - m_maincpu->set_clock(PALC_APU_CLOCK); - m_maincpu->set_addrmap(AS_PROGRAM, &nes_state::nes_map); - - /* UMC 6538 and friends -- extends time for rendering dummy scanlines */ - PPU_PALC(config.replace(), m_ppu); - m_ppu->set_cpu_tag(m_maincpu); - m_ppu->int_callback().set_inputline("maincpu", INPUT_LINE_NMI); - - m_cartslot->set_clock(PALC_APU_CLOCK); - - /* video hardware */ - m_screen->set_refresh_hz(50.0070); - m_screen->set_vblank_time(ATTOSECONDS_IN_USEC((113.66/(PALC_APU_CLOCK.dvalue()/1000000)) * - (ppu2c0x_device::VBLANK_LAST_SCANLINE_PAL-ppu2c0x_device::VBLANK_FIRST_SCANLINE_PALC+1+2))); -} - -void nes_state::famipalc(machine_config &config) -{ - nespalc(config); - NES_CONTROL_PORT(config.replace(), m_ctrl1, fc_control_port1_devices, "joypad"); - NES_CONTROL_PORT(config.replace(), m_ctrl2, fc_control_port2_devices, "joypad"); - NES_CONTROL_PORT(config, m_exp, fc_expansion_devices, nullptr); - m_ctrl1->set_screen_tag(m_screen); - m_ctrl2->set_screen_tag(m_screen); - m_exp->set_screen_tag(m_screen); - - SOFTWARE_LIST(config, "cass_list").set_original("famicom_cass"); -} - -void nes_state::suborkbd(machine_config &config) -{ - famipalc(config); - /* TODO: emulate the parallel port bus! */ - m_exp->set_default_option("subor_keyboard"); - m_exp->set_fixed(true); -} - -void nes_state::setup_disk(nes_disksys_device *slot) -{ - if (slot) - { - address_space &space = m_maincpu->space(AS_PROGRAM); - - // Set up memory handlers - space.install_read_handler(0x4020, 0x40ff, read8sm_delegate(FUNC(nes_disksys_device::read_ex), (nes_disksys_device *)slot)); - space.install_write_handler(0x4020, 0x40ff, write8sm_delegate(FUNC(nes_disksys_device::write_ex), (nes_disksys_device *)slot)); - space.install_read_handler(0x4100, 0x5fff, read8sm_delegate(FUNC(device_nes_cart_interface::read_l), (device_nes_cart_interface *)slot)); - space.install_write_handler(0x4100, 0x5fff, write8sm_delegate(FUNC(device_nes_cart_interface::write_l), (device_nes_cart_interface *)slot)); - space.install_read_handler(0x6000, 0x7fff, read8sm_delegate(FUNC(nes_disksys_device::read_m), (nes_disksys_device *)slot)); - space.install_write_handler(0x6000, 0x7fff, write8sm_delegate(FUNC(nes_disksys_device::write_m), (nes_disksys_device *)slot)); - space.install_read_handler(0x8000, 0xffff, read8sm_delegate(FUNC(nes_disksys_device::read_h), (nes_disksys_device *)slot)); - space.install_write_handler(0x8000, 0xffff, write8sm_delegate(FUNC(nes_disksys_device::write_h), (nes_disksys_device *)slot)); - - slot->vram_alloc(0x2000); - slot->prgram_alloc(0x8000); - - slot->pcb_start(machine(), m_ciram.get(), false); - m_ppu->space(AS_PROGRAM).install_readwrite_handler(0, 0x1fff, read8sm_delegate(FUNC(device_nes_cart_interface::chr_r),(device_nes_cart_interface *)slot), write8sm_delegate(FUNC(device_nes_cart_interface::chr_w),(device_nes_cart_interface *)slot)); - m_ppu->space(AS_PROGRAM).install_readwrite_handler(0x2000, 0x3eff, read8sm_delegate(FUNC(device_nes_cart_interface::nt_r),(device_nes_cart_interface *)slot), write8sm_delegate(FUNC(device_nes_cart_interface::nt_w),(device_nes_cart_interface *)slot)); - m_ppu->set_scanline_callback(ppu2c0x_device::scanline_delegate(FUNC(device_nes_cart_interface::scanline_irq),(device_nes_cart_interface *)slot)); - m_ppu->set_hblank_callback(ppu2c0x_device::hblank_delegate(FUNC(nes_disksys_device::hblank_irq),(nes_disksys_device *)slot)); - m_ppu->set_latch(ppu2c0x_device::latch_delegate(FUNC(device_nes_cart_interface::ppu_latch),(device_nes_cart_interface *)slot)); - } -} - -MACHINE_START_MEMBER( nes_state, fds ) -{ - m_ciram = std::make_unique<uint8_t[]>(0x800); - m_io_disksel = ioport("FLIPDISK"); - setup_disk(m_disk); - - // register saves - save_item(NAME(m_last_frame_flip)); - save_pointer(NAME(m_ciram), 0x800); -} - -MACHINE_RESET_MEMBER( nes_state, fds ) -{ - // Reset the mapper variables - m_disk->pcb_reset(); - - // the rest is the same as for nes/famicom/dendy - m_maincpu->reset(); -} - -void nes_state::fds(machine_config &config) -{ - famicom(config); - - MCFG_MACHINE_START_OVERRIDE(nes_state, fds) - MCFG_MACHINE_RESET_OVERRIDE(nes_state, fds) - - config.device_remove("nes_slot"); - NES_DISKSYS(config, "disk", 0); - - config.device_remove("cart_list"); - config.device_remove("cass_list"); - config.device_remove("ade_list"); - config.device_remove("ntb_list"); - config.device_remove("kstudio_list"); - config.device_remove("datach_list"); -} - -MACHINE_START_MEMBER( nes_state, famitwin ) -{ - // start the base nes stuff - machine_start(); - - // if there is no cart inserted, setup the disk expansion instead - if (!m_cartslot->exists()) - { - setup_disk(m_disk); - - // replace the famicom disk ROM with the famicom twin one (until we modernize the floppy drive) - m_maincpu->space(AS_PROGRAM).install_read_bank(0xe000, 0xffff, "ftbios"); - membank("ftbios")->set_base(machine().root_device().memregion("maincpu")->base() + 0xe000); - } -} - -MACHINE_RESET_MEMBER( nes_state, famitwin ) -{ - // Reset the mapper variables. Will also mark the char-gen ram as dirty - m_cartslot->pcb_reset(); - // if there is no cart inserted, initialize the disk expansion instead - if (!m_cartslot->exists()) - m_disk->pcb_reset(); - - // the rest is the same as for nes/famicom/dendy - m_maincpu->reset(); -} - -void nes_state::famitwin(machine_config &config) -{ - famicom(config); - - MCFG_MACHINE_START_OVERRIDE( nes_state, famitwin ) - MCFG_MACHINE_RESET_OVERRIDE( nes_state, famitwin ) - - m_cartslot->set_must_be_loaded(false); - - NES_DISKSYS(config, "disk", 0); -} - - - -ROM_START( nes ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( nespal ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( famicom ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -#define rom_fds rom_famicom - -ROM_START( famitwin ) - ROM_REGION( 0x10000, "maincpu", 0 ) /* Main RAM */ - ROM_LOAD( "rp2c33a-02.bin", 0xe000, 0x2000, CRC(4df24a6c) SHA1(e4e41472c454f928e53eb10e0509bf7d1146ecc1) ) // "Famicom" logo instead of Nintendo logo -ROM_END - -ROM_START( m82 ) - ROM_REGION( 0x14000, "maincpu", 0 ) /* Main RAM + program banks */ - /* Banks to be mapped at 0xe000? More investigations needed... */ - ROM_LOAD( "m82_v1_0.bin", 0x10000, 0x4000, CRC(7d56840a) SHA1(cbd2d14fa073273ba58367758f40d67fd8a9106d) ) -ROM_END - -ROM_START( m82p ) - /* same as m82 */ - ROM_REGION( 0x14000, "maincpu", 0 ) /* Main RAM + program banks */ - /* Banks to be mapped at 0xe000? More investigations needed... */ - ROM_LOAD( "m82_v1_0.bin", 0x10000, 0x4000, CRC(7d56840a) SHA1(cbd2d14fa073273ba58367758f40d67fd8a9106d) ) -ROM_END - -// see http://www.disgruntleddesigner.com/chrisc/drpcjr/index.html -// and http://www.disgruntleddesigner.com/chrisc/drpcjr/DrPCJrMemMap.txt -ROM_START( drpcjr ) - ROM_REGION( 0x18000, "maincpu", 0 ) /* Main RAM + program banks */ - /* 4 banks to be mapped in 0xe000-0xffff (or 8 banks to be mapped in 0xe000-0xefff & 0xf000-0xffff). - Banks selected by writing at 0x4180 */ - ROM_LOAD("drpcjr_bios.bin", 0x10000, 0x8000, CRC(c8fbef89) SHA1(2cb0a817b31400cdf27817d09bae7e69f41b062b) ) // bios vers. 1.0a - // Not sure if we should support this: hacked version 1.5a by Chris Covell with bugfixes and GameGenie support -// ROM_LOAD("drpcjr_v1_5_gg.bin", 0x10000, 0x8000, CRC(98f2033b) SHA1(93c114da787a19279d1a46667c2f69b49e25d4f1) ) -ROM_END - -ROM_START( iq501 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( iq502 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( dendy ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( dendy2 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( gchinatv ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -ROM_START( sb486 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) /* Main RAM */ -ROM_END - -/*************************************************************************** - - Game driver(s) - -***************************************************************************/ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME - -// Nintendo Entertainment System hardware -CONS( 1985, nes, 0, 0, nes, nes, nes_state, empty_init, "Nintendo", "Nintendo Entertainment System / Famicom (NTSC)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1987, nespal, nes, 0, nespal, nes, nes_state, empty_init, "Nintendo", "Nintendo Entertainment System (PAL)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -// M82 Display Unit -// supports up to twelve cartridge slots -CONS( 198?, m82, nes, 0, nes, nes, nes_state, empty_init, "Nintendo", "M82 Display Unit (NTSC)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) -CONS( 198?, m82p, nes, 0, nespal, nes, nes_state, empty_init, "Nintendo", "M82 Display Unit (PAL)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) - -// Famicom hardware -CONS( 1983, famicom, 0, nes, famicom, famicom, nes_state, init_famicom, "Nintendo", "Famicom", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1983, fds, famicom, 0, fds, famicom, nes_state, init_famicom, "Nintendo", "Famicom (w/ Disk System add-on)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1986, famitwin, famicom, 0, famitwin, famicom, nes_state, init_famicom, "Sharp", "Famicom Twin", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) - -// Clone hardware -// Many knockoffs using derivatives of the UMC board design, later incorporated into single CMOS chips, were manufactured before and past the end of the Famicom's timeline. - -// !! PAL clones documented here !! -// Famicom-based -CONS( 1992, iq501, 0, nes, famipalc, nes, nes_state, init_famicom, "Micro Genius", "IQ-501", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1992, iq502, 0, nes, famipalc, nes, nes_state, init_famicom, "Micro Genius", "IQ-502", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1992, dendy, iq501, 0, famipalc, nes, nes_state, init_famicom, "Steepler", "Dendy Classic 1", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 1992, dendy2, iq502, 0, famipalc, nes, nes_state, init_famicom, "Steepler", "Dendy Classic 2", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) -CONS( 198?, gchinatv, 0, nes, famipalc, nes, nes_state, init_famicom, "Golden China", "Golden China TV Game", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) - -// Subor/Xiao Ba Wang hardware and derivatives -// These clones implement a keyboard and a parallel port for printing from a word processor. Later models have mice, PS/2 ports, serial ports and a floppy drive. -CONS( 1993, sb486, 0, nes, suborkbd, nes, nes_state, init_famicom, "Subor", "SB-486", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) - -// !! NTSC clones documented here !! -// Famicom-based -// Bung hardware -// Mice, keyboard, etc, including a floppy drive that allows you to run games with a selection of 4 internal "mappers" available on the system. -CONS( 1996, drpcjr, 0, nes, famicom, famicom, nes_state, init_famicom, "Bung", "Doctor PC Jr", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |