diff options
Diffstat (limited to 'src/mame/drivers/jazz.cpp')
-rw-r--r-- | src/mame/drivers/jazz.cpp | 276 |
1 files changed, 217 insertions, 59 deletions
diff --git a/src/mame/drivers/jazz.cpp b/src/mame/drivers/jazz.cpp index fbf1669a576..2aa45bb5ad9 100644 --- a/src/mame/drivers/jazz.cpp +++ b/src/mame/drivers/jazz.cpp @@ -13,7 +13,10 @@ * http://www.sensi.org/~alec/mips/mips-history.html * * TODO - * - everything (skeleton only) + * - make it boot Windows NT + * - big-endian support for RISC/os + * - EISA bus and slots + * - slotify and improve graphics board * * Unconfirmed parts lists from ARCSystem reference design (which appears to * be very similar or identical to the Jazz system) taken from: @@ -69,35 +72,110 @@ void jazz_state::machine_reset() void jazz_state::init_common() { - // map the configured ram - m_maincpu->space(AS_PROGRAM).install_ram(0, m_ram->mask(), m_ram->pointer()); + // map the configured ram and vram + m_cpu->space(0).install_ram(0x00000000, 0x00000000 | m_ram->mask(), m_ram->pointer()); + m_cpu->space(0).install_ram(0x40000000, 0x40000000 | m_vram->mask(), m_vram->pointer()); } void jazz_state::jazz_common_map(address_map &map) { map(0x1fc00000, 0x1fc3ffff).r(m_flash, FUNC(amd_28f020_device::read)); - // FIXME: lots of guesswork and assumptions here for now + map(0x40000000, 0x407fffff).ram().share("vram"); // local video memory + map(0x60000000, 0x6000013f).lr8("video_rom", + [](offs_t offset) + { + /* + * Board_Identifier, PROM_Stride, PROM_Width, PROM_Size + * 0=JazzVideoG300, 1=JazzVideoG364, 2=JazzVideoVxl, 0x10=MipsVideoG364, 0x11=MaximumJazzVideo (jazzvideog364 osc period == 123077, MipsVideoG364 = 200000) + * Test_Byte_0 - Test_Byte_3 + * VideoMemorySize, VideoControlSize + * CodeOffset, CodeSize + * ID string + */ + /* + static u8 const jazz_g364[] = + { + 0x01, 0x08, 0x01, 0x20, 'J', 'a', 'z', 'z', + 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x20, 0x00, + 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, + 'J', 'a', 'z', 'z', ' ', 'G', '3', '6', + '4', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }; + + static u8 const mips_g364[] = + { + 0x10, 0x08, 0x01, 0x20, 'J', 'a', 'z', 'z', + 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x20, 0x00, + 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, + 'M', 'i', 'p', 's', ' ', 'G', '3', '6', + '4', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }; + */ + + static u8 const bogus_g364[] = + { + 0x10, 0x00, 0x00, 0x00, 'J', 'a', 'z', 'z', + 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x20, 0x00, + 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, + 'M', 'i', 'p', 's', ' ', 'G', '3', '6', + '4', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }; + + return bogus_g364[offset]; + }).umask64(0xff); + + map(0x60080000, 0x60081fff).m(m_ramdac, FUNC(g364_device::map)); // local video control + map(0x60180000, 0x60180007).lw32("g364_reset", [this](u32 data) { m_ramdac->reset(); }); + map(0x80000000, 0x80000fff).m(m_mct_adr, FUNC(jazz_mct_adr_device::map)); - map(0x80001000, 0x80001fff).m(m_network, FUNC(dp83932c_device::map)); - //map(0x80002000, 0x80002fff).m(m_scsi, FUNC(ncr5390_device::map)).umask32(0x000000ff); - map(0x80003000, 0x80003fff).m(m_fdc, FUNC(n82077aa_device::map)); - //map(0x80004000, 0x80004fff).rw(m_rtc, FUNC(mc146818_device::read), FUNC(mc146818_device::write)); - //map(0x80005000, 0x80005fff).m() // keyboard/mouse - //map(0x80006000, 0x80006fff).m() // serial1 - //map(0x80007000, 0x80007fff).m() // serial2 - //map(0x80008000, 0x80008fff).m() // parallel - map(0x80009000, 0x80009fff).ram().share("nvram"); // unprotected? - map(0x8000a000, 0x8000afff).ram().share("nvram"); // protected? - map(0x8000b000, 0x8000bfff).ram().share("nvram"); // read-only? also sonic IO access? + + map(0x80001000, 0x800010ff).m(m_network, FUNC(dp83932c_device::map)).umask32(0x0000ffff); + map(0x80002000, 0x8000200f).m(m_scsi, FUNC(ncr53c94_device::map)); + map(0x80003000, 0x8000300f).m(m_fdc, FUNC(n82077aa_device::map)); + map(0x80004000, 0x80004007).lrw8("rtc", + [this](offs_t offset) { return m_rtc->read(1); }, + [this](offs_t offset, u8 data) { m_rtc->write(1, data); }).umask64(0xff); + map(0x80005000, 0x80005007).rw(m_kbdc, FUNC(at_keyboard_controller_device::data_r), FUNC(at_keyboard_controller_device::data_w)).umask64(0x00ff); + map(0x80005000, 0x80005007).rw(m_kbdc, FUNC(at_keyboard_controller_device::status_r), FUNC(at_keyboard_controller_device::command_w)).umask64(0xff00); + map(0x80006000, 0x80006007).rw(m_ace[0], FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w)); + map(0x80007000, 0x80007007).rw(m_ace[1], FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w)); + map(0x80008000, 0x80008007).rw(m_lpt, FUNC(pc_lpt_device::read), FUNC(pc_lpt_device::write)).umask64(0xffffffff); + map(0x80009000, 0x8000afff).ram().share("nvram"); // 9000-9fff unprotected/a000-afff protected? + map(0x8000b000, 0x8000b007).lr8("mac", [](offs_t offset) + { + // mac address and checksum + static u8 const mac[] = { 0x00, 0x00, 0x6b, 0x12, 0x34, 0x56, 0x00, 0xf7 }; + + return mac[offset]; + }); + // 3 4k pages of nvram: read/write, protected, read-only + // last page holds ethernet mac and checksum in bytes 0-7 + //map(0x8000c000, 0x8000cfff) // sound - map(0x8000d000, 0x8000dfff).noprw(); // dummy dma device? + //map(0x8000d000, 0x8000dfff).noprw(); // dummy dma device? + map(0x8000d600, 0x8000d607).nopw(); + + map(0x8000f000, 0x8000f007).lrw8( + "led", + [this]() { return m_led; }, + [this](u8 data) + { + logerror("led 0x%02x (%s)\n", data, machine().describe_context()); + m_led = data; + }).umask64(0xff); - map(0x8000f000, 0x8000f001).rw(FUNC(jazz_state::led_r), FUNC(jazz_state::led_w)); + // lots of byte data written to 800 + //map(0x800e0000, 0x800fffff).m() // dram config - //map(0x800e0000, 0x800e0000).rw(FUNC(jazz_state::dram_config_r), FUNC(jazz_state::dram_config_w)); + map(0x90000000, 0x90ffffff).m(m_isp, FUNC(i82357_device::map)); - map(0xe0800000, 0xe0bfffff).ram().share("vram"); // framebuffer? + //map(0x91000000, 0x91ffffff).m(); + //map(0x92000000, 0x92ffffff).m(); // EISA I/O ports? + //map(0x93000000, 0x93ffffff).m(); // EISA memory + + map(0xf0000000, 0xf0000007).r(m_mct_adr, FUNC(jazz_mct_adr_device::isr_r)).umask64(0xffff); + map(0xf0000000, 0xf0000007).rw(m_mct_adr, FUNC(jazz_mct_adr_device::imr_r), FUNC(jazz_mct_adr_device::imr_w)).umask64(0xffff0000); map(0xfff00000, 0xfff3ffff).r(m_flash, FUNC(amd_28f020_device::read)); // mirror? } @@ -108,42 +186,62 @@ static void jazz_scsi_devices(device_slot_interface &device) device.option_add("cdrom", NSCSI_CDROM); } +FLOPPY_FORMATS_MEMBER(jazz_state::floppy_formats) + FLOPPY_PC_FORMAT +FLOPPY_FORMATS_END + void jazz_state::jazz(machine_config &config) { - m_maincpu->set_addrmap(AS_PROGRAM, &jazz_state::jazz_common_map); + R4000(config, m_cpu, 50_MHz_XTAL); + m_cpu->set_addrmap(0, &jazz_state::jazz_common_map); - RAM(config, m_ram, 0); - m_ram->set_default_size("8M"); - m_ram->set_extra_options("16M,32M,64M,128M,256M"); + RAM(config, m_ram); + m_ram->set_default_size("16M"); + m_ram->set_extra_options("32M,64M,128M,256M"); m_ram->set_default_value(0); - // FIXME: may require big and little endian variants + RAM(config, m_vram); + m_vram->set_default_size("2M"); + m_vram->set_default_value(0); + + // local bus dma, timer and interrupt controller JAZZ_MCT_ADR(config, m_mct_adr, 0); + m_mct_adr->set_bus(m_cpu, 0); + m_mct_adr->out_int_dma_cb().set_inputline(m_cpu, INPUT_LINE_IRQ0); + m_mct_adr->out_int_device_cb().set_inputline(m_cpu, INPUT_LINE_IRQ1); + m_mct_adr->out_int_timer_cb().set_inputline(m_cpu, INPUT_LINE_IRQ4); + m_mct_adr->eisa_iack_cb().set(m_isp, FUNC(i82357_device::eisa_irq_ack)); // scsi bus and devices - NSCSI_BUS(config, m_scsibus, 0); + NSCSI_BUS(config, m_scsibus); + NSCSI_CONNECTOR(config, "scsi:0", jazz_scsi_devices, "harddisk"); + NSCSI_CONNECTOR(config, "scsi:1", jazz_scsi_devices, nullptr); + NSCSI_CONNECTOR(config, "scsi:2", jazz_scsi_devices, nullptr); + NSCSI_CONNECTOR(config, "scsi:3", jazz_scsi_devices, nullptr); + NSCSI_CONNECTOR(config, "scsi:4", jazz_scsi_devices, nullptr); + NSCSI_CONNECTOR(config, "scsi:5", jazz_scsi_devices, nullptr); + NSCSI_CONNECTOR(config, "scsi:6", jazz_scsi_devices, "cdrom"); - nscsi_connector &harddisk(NSCSI_CONNECTOR(config, "scsi:0", 0)); - jazz_scsi_devices(harddisk); - harddisk.set_default_option("harddisk"); - - nscsi_connector &cdrom(NSCSI_CONNECTOR(config, "scsi:6", 0)); - jazz_scsi_devices(cdrom); - cdrom.set_default_option("cdrom"); + // scsi host adapter + NSCSI_CONNECTOR(config, "scsi:7").option_set("ncr53c94", NCR53C94).clock(24_MHz_XTAL).machine_config( + [this](device_t *device) + { + ncr53c94_device &adapter = downcast<ncr53c94_device &>(*device); - jazz_scsi_devices(NSCSI_CONNECTOR(config, "scsi:1", 0)); - jazz_scsi_devices(NSCSI_CONNECTOR(config, "scsi:2", 0)); - jazz_scsi_devices(NSCSI_CONNECTOR(config, "scsi:3", 0)); - jazz_scsi_devices(NSCSI_CONNECTOR(config, "scsi:4", 0)); - jazz_scsi_devices(NSCSI_CONNECTOR(config, "scsi:5", 0)); + adapter.irq_handler_cb().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<5>));; + adapter.drq_handler_cb().set(m_mct_adr, FUNC(jazz_mct_adr_device::drq<0>)); - // scsi host adapter - nscsi_connector &adapter(NSCSI_CONNECTOR(config, "scsi:7", 0)); - adapter.option_add_internal("host", NCR53C90A); - adapter.set_default_option("host"); - adapter.set_fixed(true); + subdevice<jazz_mct_adr_device>(":mct_adr")->dma_r_cb<0>().set(adapter, FUNC(ncr53c94_device::dma_r)); + subdevice<jazz_mct_adr_device>(":mct_adr")->dma_w_cb<0>().set(adapter, FUNC(ncr53c94_device::dma_w)); + }); + // floppy controller and drive N82077AA(config, m_fdc, 24_MHz_XTAL); + m_fdc->intrq_wr_callback().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<1>)); + m_fdc->drq_wr_callback().set(m_mct_adr, FUNC(jazz_mct_adr_device::drq<1>)); + FLOPPY_CONNECTOR(config, "fdc:0", "35hd", FLOPPY_35_HD, true, jazz_state::floppy_formats).enable_sound(false); + m_mct_adr->dma_r_cb<1>().set(m_fdc, FUNC(n82077aa_device::dma_r)); + m_mct_adr->dma_w_cb<1>().set(m_fdc, FUNC(n82077aa_device::dma_w)); MC146818(config, m_rtc, 32.768_kHz_XTAL); @@ -151,52 +249,112 @@ void jazz_state::jazz(machine_config &config) AMD_28F020(config, m_flash); - // pc keyboard controller? + // pc keyboard connector pc_kbdc_device &kbdc(PC_KBDC(config, "pc_kbdc", 0)); - kbdc.out_clock_cb().set(m_kbdc, FUNC(at_keyboard_controller_device::kbd_clk_w)); - kbdc.out_data_cb().set(m_kbdc, FUNC(at_keyboard_controller_device::kbd_data_w)); + kbdc.out_clock_cb().set(m_kbdc, FUNC(ps2_keyboard_controller_device::kbd_clk_w)); + kbdc.out_data_cb().set(m_kbdc, FUNC(ps2_keyboard_controller_device::kbd_data_w)); // keyboard port pc_kbdc_slot_device &kbd(PC_KBDC_SLOT(config, "kbd", 0)); pc_at_keyboards(kbd); - kbd.set_default_option(STR_KBD_IBM_PC_AT_84); + kbd.set_default_option(STR_KBD_MICROSOFT_NATURAL); kbd.set_pc_kbdc_slot(&kbdc); - // at keyboard controller - AT_KEYBOARD_CONTROLLER(config, m_kbdc, 12_MHz_XTAL); - m_kbdc->hot_res().set_inputline(m_maincpu, INPUT_LINE_RESET); + // keyboard controller + PS2_KEYBOARD_CONTROLLER(config, m_kbdc, 12_MHz_XTAL); + //m_kbdc->hot_res().set_inputline(m_cpu, INPUT_LINE_RESET); + m_kbdc->hot_res().set([this](int state) { if (!state) m_cpu->reset(); }); m_kbdc->kbd_clk().set(kbdc, FUNC(pc_kbdc_device::clock_write_from_mb)); m_kbdc->kbd_data().set(kbdc, FUNC(pc_kbdc_device::data_write_from_mb)); - - G364(config, m_ramdac, 0); + m_kbdc->kbd_irq().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<6>));; + + //m_kbdc->mouse_clk().set(); + //m_kbdc->mouse_data().set(); + m_kbdc->mouse_irq().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<7>)); + + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); + m_screen->set_raw(78643200, 1280, 0, 1280, 1024, 0, 1024); + m_screen->set_screen_update("g364", FUNC(g364_device::screen_update)); + m_screen->screen_vblank().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<3>)); // maybe? + + G364(config, m_ramdac, 5_MHz_XTAL); // FIXME: guessed clock + m_ramdac->set_screen(m_screen); + m_ramdac->set_vram(m_vram); + + // WD16C552 (two 16550 + pc_lpt) + NS16550(config, m_ace[0], 4233600); + rs232_port_device &serial0(RS232_PORT(config, "serial0", default_rs232_devices, nullptr)); + + m_ace[0]->out_dtr_callback().set(serial0, FUNC(rs232_port_device::write_dtr)); + m_ace[0]->out_rts_callback().set(serial0, FUNC(rs232_port_device::write_rts)); + m_ace[0]->out_tx_callback().set(serial0, FUNC(rs232_port_device::write_txd)); + m_ace[0]->out_int_callback().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<8>)); + + serial0.cts_handler().set(m_ace[0], FUNC(ns16550_device::cts_w)); + serial0.dcd_handler().set(m_ace[0], FUNC(ns16550_device::dcd_w)); + serial0.dsr_handler().set(m_ace[0], FUNC(ns16550_device::dsr_w)); + serial0.ri_handler().set(m_ace[0], FUNC(ns16550_device::ri_w)); + serial0.rxd_handler().set(m_ace[0], FUNC(ns16550_device::rx_w)); + + NS16550(config, m_ace[1], 8_MHz_XTAL); + rs232_port_device &serial1(RS232_PORT(config, "serial1", default_rs232_devices, nullptr)); + + m_ace[1]->out_dtr_callback().set(serial1, FUNC(rs232_port_device::write_dtr)); + m_ace[1]->out_rts_callback().set(serial1, FUNC(rs232_port_device::write_rts)); + m_ace[1]->out_tx_callback().set(serial1, FUNC(rs232_port_device::write_txd)); + m_ace[1]->out_int_callback().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<9>)); + + serial1.cts_handler().set(m_ace[1], FUNC(ns16550_device::cts_w)); + serial1.dcd_handler().set(m_ace[1], FUNC(ns16550_device::dcd_w)); + serial1.dsr_handler().set(m_ace[1], FUNC(ns16550_device::dsr_w)); + serial1.ri_handler().set(m_ace[1], FUNC(ns16550_device::ri_w)); + serial1.rxd_handler().set(m_ace[1], FUNC(ns16550_device::rx_w)); + + PC_LPT(config, m_lpt, 0); + m_lpt->irq_handler().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<0>)); + + // TODO: sound, interrupt 2, drq 2(l) & 3(r) + + // buzzer + SPEAKER(config, "mono").front_center(); + SPEAKER_SOUND(config, m_buzzer); + m_buzzer->add_route(ALL_OUTPUTS, "mono", 0.50); + + DP83932C(config, m_network, 20_MHz_XTAL); + m_network->out_int_cb().set(m_mct_adr, FUNC(jazz_mct_adr_device::irq<4>)); + m_network->set_ram(RAM_TAG); + + I82357(config, m_isp, 14.318181_MHz_XTAL); + m_isp->out_rtc_cb().set(m_rtc, FUNC(mc146818_device::write)); + m_isp->out_int_cb().set_inputline(m_cpu, INPUT_LINE_IRQ2); + m_isp->out_nmi_cb().set_inputline(m_cpu, INPUT_LINE_IRQ3); + m_isp->out_spkr_cb().set(m_buzzer, FUNC(speaker_sound_device::level_w)); + + // TODO: 4 EISA slots } void jazz_state::mmr4000be(machine_config &config) { - R4000BE(config, m_maincpu, 50_MHz_XTAL); - jazz(config); - DP83932C_BE(config, m_network, 20_MHz_XTAL); + m_cpu->set_config(r4000_device::CONFIG_BE, r4000_device::CONFIG_BE); } void jazz_state::mmr4000le(machine_config &config) { - R4000LE(config, m_maincpu, 50_MHz_XTAL); - jazz(config); - DP83932C_LE(config, m_network, 20_MHz_XTAL); + m_cpu->set_config(0, r4000_device::CONFIG_BE); } ROM_START(mmr4000be) - ROM_REGION32_BE(0x40000, "flash", 0) + ROM_REGION64_BE(0x40000, "flash", 0) ROM_SYSTEM_BIOS(0, "riscos", "R4000 RISC/os PROM") ROMX_LOAD("riscos.bin", 0x00000, 0x40000, CRC(cea6bc8f) SHA1(3e47b4ad5d1a0c7aac649e6aef3df1bf86fc938b), ROM_BIOS(0)) ROM_END ROM_START(mmr4000le) - ROM_REGION32_LE(0x40000, "flash", 0) + ROM_REGION64_LE(0x40000, "flash", 0) ROM_SYSTEM_BIOS(0, "ntprom", "R4000 Windows NT PROM") ROMX_LOAD("ntprom.bin", 0x00000, 0x40000, CRC(d91018d7) SHA1(316de17820192c89b8ee6d9936ab8364a739ca53), ROM_BIOS(0)) ROM_END |