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Diffstat (limited to 'src/mame/sony/news_r3k.cpp')
-rw-r--r--src/mame/sony/news_r3k.cpp651
1 files changed, 651 insertions, 0 deletions
diff --git a/src/mame/sony/news_r3k.cpp b/src/mame/sony/news_r3k.cpp
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index 00000000000..0204d4a8795
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+++ b/src/mame/sony/news_r3k.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+/*
+ * Sony NEWS R3000 single-processor systems.
+ *
+ * Sources:
+ * - https://github.com/robohack/ucb-csrg-bsd/blob/master/sys/news3400/
+ * - https://www.mmcc.it/resources/docs/NWS-3410_3460_ServiceManual_MMCC.PDF
+ * - https://www.mmcc.it/resources/docs/Sony_NEWS_NWS-3260_ROM_Monitor_User_Guide_r2.pdf
+ * - http://bitsavers.org/pdf/sony/news/Sony_NEWS_Technical_Manual_3ed_199103.pdf
+ *
+ * TODO:
+ * - LCD controller
+ * - screen timing parameters
+ * - floppy density/eject
+ * - Centronics port
+ * - sound
+ * - other models, including slots/cards
+ */
+
+#include "emu.h"
+
+#include "dmac_0448.h"
+#include "news_hid.h"
+
+#include "bus/nscsi/cd.h"
+#include "bus/nscsi/hd.h"
+#include "bus/rs232/rs232.h"
+#include "cpu/mips/mips1.h"
+#include "imagedev/floppy.h"
+#include "machine/am79c90.h"
+#include "machine/cxd1185.h"
+#include "machine/nscsi_bus.h"
+#include "machine/ram.h"
+#include "machine/timekpr.h"
+#include "machine/upd765.h"
+#include "machine/z80scc.h"
+#include "sound/spkrdev.h"
+
+#include "screen.h"
+#include "speaker.h"
+
+#define VERBOSE 0
+#include "logmacro.h"
+
+
+namespace {
+
+class news_r3k_base_state : public driver_device
+{
+public:
+ news_r3k_base_state(machine_config const &mconfig, device_type type, char const *tag)
+ : driver_device(mconfig, type, tag)
+ , m_cpu(*this, "cpu")
+ , m_ram(*this, "ram")
+ , m_dma(*this, "dma")
+ , m_rtc(*this, "rtc")
+ , m_scc(*this, "scc")
+ , m_net(*this, "net")
+ , m_fdc(*this, "fdc")
+ , m_hid(*this, "hid")
+ , m_scsi(*this, "scsi:7:cxd1185")
+ , m_serial(*this, "serial%u", 0U)
+ , m_scsibus(*this, "scsi")
+ , m_led(*this, "led%u", 0U)
+ {
+ }
+
+protected:
+ // driver_device overrides
+ virtual void machine_start() override ATTR_COLD;
+ virtual void machine_reset() override ATTR_COLD;
+
+ // address maps
+ void cpu_map(address_map &map) ATTR_COLD;
+
+ // machine config
+ void common(machine_config &config);
+
+public:
+ void init_common();
+
+protected:
+ void inten_w(offs_t offset, u16 data, u16 mem_mask);
+ u16 inten_r() { return m_inten; }
+ u16 intst_r() { return m_intst; }
+ void intclr_w(offs_t offset, u16 data, u16 mem_mask);
+
+ enum irq_number : unsigned
+ {
+ EXT3 = 0,
+ EXT1 = 1,
+ SLOT3 = 2,
+ SLOT1 = 3,
+ DMA = 4,
+ LANCE = 5,
+ SCC = 6,
+ BEEP = 7,
+ CBSY = 8,
+ CFLT = 9,
+ MOUSE = 10,
+ KBD = 11,
+ TIMER = 12,
+ BERR = 13,
+ ABORT = 14,
+ PERR = 15,
+ };
+ template <irq_number Number> void irq_w(int state);
+ void int_check();
+
+ u32 bus_error();
+ void itimer_w(u8 data);
+ void itimer(s32 param);
+ u8 debug_r() { return m_debug; }
+ void debug_w(u8 data);
+
+ // devices
+ required_device<r3000a_device> m_cpu;
+ required_device<ram_device> m_ram;
+ required_device<dmac_0448_device> m_dma;
+ required_device<m48t02_device> m_rtc;
+ required_device<z80scc_device> m_scc;
+ required_device<am7990_device> m_net;
+ required_device<upd72067_device> m_fdc;
+
+ required_device<news_hid_hle_device> m_hid;
+ required_device<cxd1185_device> m_scsi;
+
+ required_device_array<rs232_port_device, 2> m_serial;
+ required_device<nscsi_bus_device> m_scsibus;
+
+ output_finder<4> m_led;
+
+ std::unique_ptr<u16[]> m_net_ram;
+
+ emu_timer *m_itimer = nullptr;
+
+ u16 m_inten = 0;
+ u16 m_intst = 0;
+ u8 m_debug = 0;
+
+ bool m_int_state[4]{};
+};
+
+class nws3260_state : public news_r3k_base_state
+{
+public:
+ nws3260_state(machine_config const &mconfig, device_type type, char const *tag)
+ : news_r3k_base_state(mconfig, type, tag)
+ , m_lcd(*this, "lcd")
+ , m_vram(*this, "vram")
+ {
+ }
+
+ void nws3260(machine_config &config);
+
+protected:
+ virtual void machine_start() override ATTR_COLD;
+
+ void nws3260_map(address_map &map) ATTR_COLD;
+ u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, rectangle const &cliprect);
+
+ required_device<screen_device> m_lcd;
+ required_shared_ptr<u32> m_vram;
+
+ bool m_lcd_enable = false;
+ bool m_lcd_dim = false;
+};
+
+class news_r3k_desktop_state : public news_r3k_base_state
+{
+public:
+ static constexpr feature_type unemulated_features() { return feature::GRAPHICS; }
+
+ news_r3k_desktop_state(machine_config const &mconfig, device_type type, char const *tag)
+ : news_r3k_base_state(mconfig, type, tag)
+ {
+ }
+
+ void nws3410(machine_config &config);
+ void nws3720(machine_config &config);
+
+protected:
+ void desktop_cpu_map(address_map &map) ATTR_COLD;
+};
+
+void nws3260_state::machine_start()
+{
+ news_r3k_base_state::machine_start();
+
+ save_item(NAME(m_lcd_enable));
+ save_item(NAME(m_lcd_dim));
+ m_lcd_enable = false;
+ m_lcd_dim = false;
+}
+
+void news_r3k_base_state::machine_start()
+{
+ m_led.resolve();
+
+ m_net_ram = std::make_unique<u16[]>(8192);
+ save_pointer(NAME(m_net_ram), 8192);
+
+ save_item(NAME(m_inten));
+ save_item(NAME(m_intst));
+ save_item(NAME(m_debug));
+ save_item(NAME(m_int_state));
+
+ m_itimer = timer_alloc(FUNC(news_r3k_base_state::itimer), this);
+
+ for (bool &int_state : m_int_state)
+ int_state = false;
+
+ m_inten = 0;
+ m_intst = 0;
+}
+
+void news_r3k_base_state::machine_reset()
+{
+}
+
+void news_r3k_base_state::init_common()
+{
+ // map the configured ram
+ m_cpu->space(0).install_ram(0x00000000, m_ram->mask(), m_ram->pointer());
+
+ // HACK: hardwire the rate until fdc is better understood
+ m_fdc->set_rate(500000);
+
+ // HACK: signal floppy density?
+ m_scsi->port_w(0x02);
+}
+
+void nws3260_state::nws3260_map(address_map &map)
+{
+ cpu_map(map);
+ map(0x10000000, 0x101fffff).rom().region("krom", 0);
+ map(0x10000000, 0x10000003).lw32([this] (u32 data) { m_lcd_enable = bool(data); }, "lcd_enable_w");
+ map(0x10100000, 0x10100003).lw32([this] (u32 data) { m_lcd_dim = BIT(data, 0); }, "lcd_dim_w");
+ map(0x10200000, 0x1021ffff).ram().share("vram").mirror(0xa0000000);
+ map(0x1ff60000, 0x1ff6001b).lw8([this] (offs_t offset, u8 data) { LOG("crtc offset %x 0x%02x\n", offset, data); }, "lfbm_crtc_w"); // TODO: HD64646FS
+}
+
+void news_r3k_desktop_state::desktop_cpu_map(address_map &map)
+{
+ cpu_map(map);
+
+ // LCD framebuffer memory regions - without bus errors, the framebuffer probe logic in NEWS-OS will think there is an LCD attached
+ // While this doesn't break anything, it does cause the device to be exposed when it isn't present.
+ map(0x10000000, 0x1021ffff).r(FUNC(news_r3k_desktop_state::bus_error));
+ map(0x1ff50000, 0x1ff6001b).r(FUNC(news_r3k_desktop_state::bus_error));
+}
+
+void news_r3k_base_state::cpu_map(address_map &map)
+{
+ map.unmap_value_high();
+
+ map(0x18000000, 0x18ffffff).r(FUNC(news_r3k_base_state::bus_error));
+
+ map(0x1fc00000, 0x1fc1ffff).rom().region("eprom", 0);
+ //map(0x1fc40004, 0x1fc40007).w().umask32(0xff); ??
+ // 1fc40007 // power/reboot/PARK?
+ map(0x1fc80000, 0x1fc80001).rw(FUNC(news_r3k_base_state::inten_r), FUNC(news_r3k_base_state::inten_w));
+ map(0x1fc80002, 0x1fc80003).r(FUNC(news_r3k_base_state::intst_r));
+ map(0x1fc80004, 0x1fc80005).w(FUNC(news_r3k_base_state::intclr_w));
+ map(0x1fc80006, 0x1fc80006).w(FUNC(news_r3k_base_state::itimer_w));
+ // 1fcc0000 // cstrobe?
+ // 1fcc0002 // sccstatus0?
+ map(0x1fcc0003, 0x1fcc0003).rw(FUNC(news_r3k_base_state::debug_r), FUNC(news_r3k_base_state::debug_w));
+ map(0x1fcc0007, 0x1fcc0007).lr8([this] () { return m_scc->m1_r(); }, "sccvect_r");
+
+ map(0x1fd00000, 0x1fd00007).m(m_hid, FUNC(news_hid_hle_device::map));
+ map(0x1fd40000, 0x1fd40003).noprw(); // FIXME: ignore buzzer for now
+
+ map(0x1fe00000, 0x1fe0000f).m(m_dma, FUNC(dmac_0448_device::map));
+ map(0x1fe00100, 0x1fe0010f).m(m_scsi, FUNC(cxd1185_device::map));
+ map(0x1fe00200, 0x1fe00203).m(m_fdc, FUNC(upd72067_device::map));
+ map(0x1fe00300, 0x1fe00300).lr8([] () { return 0xff; }, "sound_r"); // HACK: disable sound
+ //map(0x1fe00300, 0x1fe00307); // sound
+ map(0x1fe40000, 0x1fe40003).portr("SW2");
+ //map(0x1fe70000, 0x1fe9ffff).ram(); // ??
+ map(0x1fe80000, 0x1fe800ff).rom().region("idrom", 0).mirror(0x0003ff00);
+ map(0x1fec0000, 0x1fec0003).rw(m_scc, FUNC(z80scc_device::ab_dc_r), FUNC(z80scc_device::ab_dc_w));
+
+ map(0x1ff40000, 0x1ff407ff).rw(m_rtc, FUNC(m48t02_device::read), FUNC(m48t02_device::write));
+
+ map(0x1ff80000, 0x1ff80003).rw(m_net, FUNC(am7990_device::regs_r), FUNC(am7990_device::regs_w));
+ map(0x1ffc0000, 0x1ffc3fff).lrw16(
+ [this] (offs_t offset) { return m_net_ram[offset]; }, "net_ram_r",
+ [this] (offs_t offset, u16 data, u16 mem_mask) { COMBINE_DATA(&m_net_ram[offset]); }, "net_ram_w");
+}
+
+static INPUT_PORTS_START(nws3260)
+ PORT_START("SW2")
+ // TODO: other combinations of switches 1-3 may be valid
+ PORT_DIPNAME(0x07000000, 0x02000000, "Display") PORT_DIPLOCATION("SW2:1,2,3")
+ PORT_DIPSETTING(0x00000000, "Console")
+ PORT_DIPSETTING(0x02000000, "LCD")
+ PORT_DIPNAME(0x08000000, 0x00000000, "Boot Device") PORT_DIPLOCATION("SW2:4")
+ PORT_DIPSETTING(0x00000000, "Disk")
+ PORT_DIPSETTING(0x08000000, "Network")
+ PORT_DIPNAME(0x10000000, 0x00000000, "Automatic Boot") PORT_DIPLOCATION("SW2:5")
+ PORT_DIPSETTING(0x00000000, DEF_STR(Off))
+ PORT_DIPSETTING(0x10000000, DEF_STR(On))
+ PORT_DIPNAME(0x20000000, 0x00000000, "Diagnostic Mode") PORT_DIPLOCATION("SW2:6")
+ PORT_DIPSETTING(0x00000000, DEF_STR(Off))
+ PORT_DIPSETTING(0x20000000, DEF_STR(On))
+ // TODO: not completely clear what this switch does
+ PORT_DIPNAME(0x40000000, 0x00000000, "RAM") PORT_DIPLOCATION("SW2:7")
+ PORT_DIPSETTING(0x00000000, "Enabled")
+ PORT_DIPSETTING(0x40000000, "Disabled")
+ PORT_DIPNAME(0x80000000, 0x00000000, "Console Baud") PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING(0x00000000, "9600")
+ PORT_DIPSETTING(0x80000000, "1200")
+
+ PORT_START("SW3")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START(nws_r3k_desktop)
+ PORT_START("SW2")
+ PORT_DIPNAME(0x07000000, 0x02000000, "Console") PORT_DIPLOCATION("SW2:1,2,3")
+ PORT_DIPSETTING(0x00000000, "Serial")
+ PORT_DIPSETTING(0x02000000, "NWB-252/NWB-253") // NWB-252 (color) or NWB-253 (monochrome) NWS-3400 series bitmap board
+ PORT_DIPSETTING(0x07000000, "NWB-514/NWB-251") // NWB-514 (monochrome) or NWB-251 (color) expansion framebuffer
+ PORT_DIPNAME(0x08000000, 0x00000000, "Boot Device") PORT_DIPLOCATION("SW2:4")
+ PORT_DIPSETTING(0x00000000, "Disk")
+ PORT_DIPSETTING(0x08000000, "Network")
+ PORT_DIPNAME(0x10000000, 0x00000000, "Automatic Boot") PORT_DIPLOCATION("SW2:5")
+ PORT_DIPSETTING(0x00000000, DEF_STR(Off))
+ PORT_DIPSETTING(0x10000000, DEF_STR(On))
+ PORT_DIPNAME(0x20000000, 0x00000000, "Diagnostic Mode") PORT_DIPLOCATION("SW2:6")
+ PORT_DIPSETTING(0x00000000, DEF_STR(Off))
+ PORT_DIPSETTING(0x20000000, DEF_STR(On))
+ PORT_DIPNAME(0x40000000, 0x00000000, "RAM") PORT_DIPLOCATION("SW2:7") // Controls "No Memory Mode" for testing, forces monitor to use RTC RAM instead
+ PORT_DIPSETTING(0x00000000, "Enabled")
+ PORT_DIPSETTING(0x40000000, "Disabled")
+ PORT_DIPNAME(0x80000000, 0x00000000, "Console Baud") PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING(0x00000000, "9600")
+ PORT_DIPSETTING(0x80000000, "1200")
+INPUT_PORTS_END
+
+u32 nws3260_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, rectangle const &cliprect)
+{
+ if (!m_lcd_enable)
+ return 0;
+
+ rgb_t const black = rgb_t::black();
+ rgb_t const white = m_lcd_dim ? rgb_t(191, 191, 191) : rgb_t::white();
+
+ u32 const *pixel_pointer = m_vram;
+
+ for (int y = screen.visible_area().min_y; y <= screen.visible_area().max_y; y++)
+ {
+ for (int x = screen.visible_area().min_x; x <= screen.visible_area().max_x; x += 32)
+ {
+ u32 const pixel_data = *pixel_pointer++;
+
+ for (unsigned i = 0; i < 32; i++)
+ bitmap.pix(y, x + i) = BIT(pixel_data, 31 - i) ? black : white;
+ }
+ }
+
+ return 0;
+}
+
+void news_r3k_base_state::inten_w(offs_t offset, u16 data, u16 mem_mask)
+{
+ COMBINE_DATA(&m_inten);
+
+ int_check();
+}
+
+template <news_r3k_base_state::irq_number Number> void news_r3k_base_state::irq_w(int state)
+{
+ LOG("irq number %d state %d\n", Number, state);
+
+ if (state)
+ m_intst |= 1U << Number;
+ else
+ m_intst &= ~(1U << Number);
+
+ int_check();
+}
+
+void news_r3k_base_state::intclr_w(offs_t offset, u16 data, u16 mem_mask)
+{
+ m_intst &= ~(data & mem_mask);
+
+ int_check();
+}
+
+void news_r3k_base_state::int_check()
+{
+ // TODO: assume 44422222 11100000
+ static int const int_line[] = { INPUT_LINE_IRQ0, INPUT_LINE_IRQ1, INPUT_LINE_IRQ2, INPUT_LINE_IRQ4 };
+ static u16 const int_mask[] = { 0x001f, 0x00e0, 0x1f00, 0xe000 };
+
+ for (unsigned i = 0; i < std::size(m_int_state); i++)
+ {
+ bool const int_state = m_intst & m_inten & int_mask[i];
+
+ if (m_int_state[i] != int_state)
+ {
+ m_int_state[i] = int_state;
+ m_cpu->set_input_line(int_line[i], int_state);
+ }
+ }
+}
+
+u32 news_r3k_base_state::bus_error()
+{
+ if (!machine().side_effects_disabled())
+ irq_w<BERR>(ASSERT_LINE);
+
+ return 0;
+}
+
+void news_r3k_base_state::itimer_w(u8 data)
+{
+ LOG("itimer_w 0x%02x (%s)\n", data, machine().describe_context());
+
+ // TODO: assume 0xff stops the timer
+ u8 const ticks = data + 1;
+
+ m_itimer->adjust(attotime::from_ticks(ticks, 800), 0, attotime::from_ticks(ticks, 800));
+}
+
+void news_r3k_base_state::itimer(s32 param)
+{
+ irq_w<TIMER>(ASSERT_LINE);
+}
+
+void news_r3k_base_state::debug_w(u8 data)
+{
+ /*
+ * The low four bits of this register control the diagnostic LEDs labelled 1-4
+ * with bit 0 correspondig to LED #1, and a 0 value enabling the LED. A non-
+ * exhaustive list of diagnostic codes produced by the PROM follows:
+ *
+ * 4321 Stage
+ * ...x EPROM checksum
+ * ..x. NVRAM test (byte)
+ * ..xx NVRAM test (word)
+ * .x.. NVRAM test (dword)
+ * .x.x read dip-switch SW2
+ * .xx. write test 0x1fe70000-1fe9ffff?
+ * .xxx address decode
+ * x... NVRAM test (dword)
+ * x..x RAM sizing
+ * x.x. inventory/boot
+ *
+ */
+ LOG("debug_w 0x%02x (%s)\n", data, machine().describe_context());
+
+ for (unsigned i = 0; i < 4; i++)
+ if (BIT(data, i + 4))
+ m_led[i] = BIT(data, i);
+
+ m_debug = data;
+}
+
+static void news_scsi_devices(device_slot_interface &device)
+{
+ device.option_add("harddisk", NSCSI_HARDDISK);
+ device.option_add("cdrom", NSCSI_CDROM);
+}
+
+void news_r3k_base_state::common(machine_config &config)
+{
+ DMAC_0448(config, m_dma, 0);
+ m_dma->set_bus(m_cpu, 0);
+ m_dma->out_int_cb().set(FUNC(news_r3k_base_state::irq_w<DMA>));
+ m_dma->dma_r_cb<1>().set(m_fdc, FUNC(upd72067_device::dma_r));
+ m_dma->dma_w_cb<1>().set(m_fdc, FUNC(upd72067_device::dma_w));
+ // TODO: channel 2 audio
+ // TODO: channel 3 video
+
+ M48T02(config, m_rtc);
+
+ SCC85C30(config, m_scc, 4.9152_MHz_XTAL);
+ m_scc->out_int_callback().set(FUNC(news_r3k_base_state::irq_w<SCC>));
+
+ // scc channel A
+ RS232_PORT(config, m_serial[0], default_rs232_devices, nullptr);
+ m_serial[0]->cts_handler().set(m_scc, FUNC(z80scc_device::ctsa_w));
+ m_serial[0]->dcd_handler().set(m_scc, FUNC(z80scc_device::dcda_w));
+ m_serial[0]->rxd_handler().set(m_scc, FUNC(z80scc_device::rxa_w));
+ m_scc->out_rtsa_callback().set(m_serial[0], FUNC(rs232_port_device::write_rts));
+ m_scc->out_txda_callback().set(m_serial[0], FUNC(rs232_port_device::write_txd));
+
+ // scc channel B
+ RS232_PORT(config, m_serial[1], default_rs232_devices, nullptr);
+ m_serial[1]->cts_handler().set(m_scc, FUNC(z80scc_device::ctsb_w));
+ m_serial[1]->dcd_handler().set(m_scc, FUNC(z80scc_device::dcdb_w));
+ m_serial[1]->rxd_handler().set(m_scc, FUNC(z80scc_device::rxb_w));
+ m_scc->out_rtsb_callback().set(m_serial[1], FUNC(rs232_port_device::write_rts));
+ m_scc->out_txdb_callback().set(m_serial[1], FUNC(rs232_port_device::write_txd));
+
+ AM7990(config, m_net);
+ m_net->intr_out().set(FUNC(news_r3k_base_state::irq_w<LANCE>)).invert();
+ m_net->dma_in().set([this](offs_t offset) { return m_net_ram[offset >> 1]; });
+ m_net->dma_out().set([this](offs_t offset, u16 data, u16 mem_mask) { COMBINE_DATA(&m_net_ram[offset >> 1]); });
+
+ UPD72067(config, m_fdc, 16_MHz_XTAL);
+ m_fdc->intrq_wr_callback().set(m_dma, FUNC(dmac_0448_device::irq<1>));
+ m_fdc->drq_wr_callback().set(m_dma, FUNC(dmac_0448_device::drq<1>));
+ FLOPPY_CONNECTOR(config, "fdc:0", "35hd", FLOPPY_35_HD, true, floppy_image_device::default_pc_floppy_formats).enable_sound(false);
+
+ // scsi bus and devices
+ NSCSI_BUS(config, m_scsibus);
+ // inquiry content for hard disk is "HITACHI DK312C CS01"
+ // HD CHDs will be treated as MO disks using the inquiry content "SONY SMO-C501 1.00"
+ // The CHS for converting a raw MO dump for 282MByte per side disks is 18678,1,31 per NEWS-OS 4's disktab file
+ NSCSI_CONNECTOR(config, "scsi:0", news_scsi_devices, "harddisk");
+ NSCSI_CONNECTOR(config, "scsi:1", news_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:2", news_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:3", news_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:4", news_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:5", news_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:6", news_scsi_devices, nullptr);
+
+ // scsi host adapter
+ NSCSI_CONNECTOR(config, "scsi:7").option_set("cxd1185", CXD1185).clock(16_MHz_XTAL).machine_config(
+ [this] (device_t *device)
+ {
+ cxd1185_device &adapter = downcast<cxd1185_device &>(*device);
+
+ adapter.irq_out_cb().set(m_dma, FUNC(dmac_0448_device::irq<0>));
+ adapter.drq_out_cb().set(m_dma, FUNC(dmac_0448_device::drq<0>));
+ adapter.port_out_cb().set(
+ [this] (u8 data)
+ {
+ LOG("floppy %s\n", BIT(data, 0) ? "mount" : "eject");
+ });
+
+ subdevice<dmac_0448_device>(":dma")->dma_r_cb<0>().set(adapter, FUNC(cxd1185_device::dma_r));
+ subdevice<dmac_0448_device>(":dma")->dma_w_cb<0>().set(adapter, FUNC(cxd1185_device::dma_w));
+ });
+
+ NEWS_HID_HLE(config, m_hid);
+ m_hid->irq_out<news_hid_hle_device::KEYBOARD>().set(FUNC(news_r3k_base_state::irq_w<KBD>));
+ m_hid->irq_out<news_hid_hle_device::MOUSE>().set(FUNC(news_r3k_base_state::irq_w<MOUSE>));
+
+ SOFTWARE_LIST(config, "software_list").set_original("sony_news").set_filter("RISC,NWS3000");
+}
+
+void nws3260_state::nws3260(machine_config &config)
+{
+ R3000A(config, m_cpu, 20_MHz_XTAL, 32768, 32768);
+ m_cpu->set_fpu(mips1_device_base::MIPS_R3010Av4);
+ m_cpu->set_addrmap(AS_PROGRAM, &nws3260_state::nws3260_map);
+
+ // 3 banks of 4x30-pin SIMMs with parity, first bank is soldered
+ RAM(config, m_ram);
+ m_ram->set_default_size("16M");
+ // TODO: confirm each bank supports 4x1M or 4x4M
+ m_ram->set_extra_options("4M,8M,12M,20M,24M,32M,36M,48M");
+ common(config);
+
+ // Integrated LCD panel
+ SCREEN(config, m_lcd, SCREEN_TYPE_LCD);
+ m_lcd->set_raw(52416000, 1120, 0, 1120, 780, 0, 780);
+ m_lcd->set_screen_update(FUNC(nws3260_state::screen_update));
+}
+
+void news_r3k_desktop_state::nws3410(machine_config &config)
+{
+ R3000A(config, m_cpu, 20_MHz_XTAL, 65536, 65536);
+ m_cpu->set_fpu(mips1_device_base::MIPS_R3010Av4);
+ m_cpu->set_addrmap(AS_PROGRAM, &news_r3k_desktop_state::desktop_cpu_map);
+
+ // Per the service manual, one or more NWA-029 4MB expansion kits can be used to increase from the base 8M up to 16M
+ RAM(config, m_ram);
+ m_ram->set_default_size("8M");
+ m_ram->set_extra_options("12M,16M");
+ common(config);
+
+ m_serial[0]->set_default_option("terminal"); // No framebuffer emulation yet
+}
+
+void news_r3k_desktop_state::nws3720(machine_config &config)
+{
+ R3000A(config, m_cpu, 20_MHz_XTAL, 65536, 65536);
+ m_cpu->set_fpu(mips1_device_base::MIPS_R3010Av4);
+ m_cpu->set_addrmap(AS_PROGRAM, &news_r3k_desktop_state::desktop_cpu_map);
+
+ // 16MB expandable to 128MB (unknown increments)
+ RAM(config, m_ram);
+ m_ram->set_default_size("16M");
+ m_ram->set_extra_options("128MB");
+ common(config);
+
+ m_serial[0]->set_default_option("terminal"); // No framebuffer emulation yet
+}
+
+ROM_START(nws3260)
+ ROM_REGION32_BE(0x20000, "eprom", 0)
+ ROM_SYSTEM_BIOS(0, "nws3260", "SONY NET WORK STATION R3000 Monitor Release 2.0A")
+ ROMX_LOAD("mpu-16__ver.2.0a__1990_sony.ic64", 0x00000, 0x20000, CRC(61222991) SHA1(076fab0ad0682cd7dacc7094e42efe8558cbaaa1), ROM_BIOS(0))
+
+ // 2 x MB834200A-20 (4Mb mask ROM)
+ ROM_REGION32_BE(0x200000, "krom", ROMREGION_ERASEFF)
+ ROM_LOAD64_WORD("051_aa.ic109", 0x00000, 0x80000, CRC(1411cbcb) SHA1(793394cd3919034f85bfb015d6d3c504f83b6626))
+ ROM_LOAD64_WORD("052_aa.ic110", 0x00004, 0x80000, CRC(df0f39da) SHA1(076881da022a3fe6731de0ead217285293c25dc7))
+
+ /*
+ * This is probably a 4-bit device: only the low 4 bits in each location
+ * are used, and are merged together into bytes when copied into RAM, with
+ * the most-significant bits at the lower address. The sum of resulting
+ * big-endian 32-bit words must be zero.
+ *
+ * offset purpose
+ * 0x00 magic number (0x0f 0x0f)
+ * 0x10 ethernet mac address (low 4 bits of 12 bytes)
+ * 0x28 machine identification (low 4 bits of 8 bytes)
+ * 0x60 model number (null-terminated string)
+ */
+ ROM_REGION32_BE(0x100, "idrom", 0)
+ ROM_LOAD("idrom.bin", 0x000, 0x100, CRC(17a3d9c6) SHA1(d300e6908210f540951211802c38ad7f8037aa15) BAD_DUMP)
+ROM_END
+
+ROM_START(nws3410)
+ ROM_REGION32_BE(0x20000, "eprom", 0)
+ ROM_SYSTEM_BIOS(0, "nws3410", "SONY NET WORK STATION R3000 Monitor Release 2.0")
+ ROMX_LOAD("sony_nws-3410_mpu-12_v2_rom.bin", 0x00000, 0x20000, CRC(48a726c4) SHA1(5c6e9e6bccaaa3d63bc136355a436c17c49c9876), ROM_BIOS(0))
+
+ ROM_REGION32_BE(0x100, "idrom", 0)
+ ROM_LOAD("idrom.bin", 0x000, 0x100, CRC(661e2516) SHA1(f0dca34174747321dad6f48c466e1c549b797d2e) BAD_DUMP)
+ROM_END
+
+ROM_START(nws3720)
+ ROM_REGION32_BE(0x20000, "eprom", 0)
+ ROM_SYSTEM_BIOS(0, "nws3720", "SONY NET WORK STATION R3000 Monitor Release 2.0A")
+ ROMX_LOAD("sony_nws-3720.bin", 0x00000, 0x20000, CRC(61222991) SHA1(076fab0ad0682cd7dacc7094e42efe8558cbaaa1), ROM_BIOS(0))
+
+ ROM_REGION32_BE(0x100, "idrom", 0)
+ ROM_LOAD("idrom.bin", 0x000, 0x100, CRC(6ec5860e) SHA1(612d2c2f149b34551b5fd9392dd6f9b1612417b5) BAD_DUMP)
+ROM_END
+
+} // anonymous namespace
+
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
+COMP(1991, nws3260, 0, 0, nws3260, nws3260, nws3260_state, init_common, "Sony", "NWS-3260", MACHINE_NO_SOUND)
+COMP(1991, nws3410, 0, 0, nws3410, nws_r3k_desktop, news_r3k_desktop_state, init_common, "Sony", "NWS-3410", MACHINE_NO_SOUND)
+COMP(1991, nws3720, 0, 0, nws3720, nws_r3k_desktop, news_r3k_desktop_state, init_common, "Sony", "NWS-3720", MACHINE_NO_SOUND)