diff options
Diffstat (limited to 'src/mame/drivers/news_r3k.cpp')
-rw-r--r-- | src/mame/drivers/news_r3k.cpp | 524 |
1 files changed, 0 insertions, 524 deletions
diff --git a/src/mame/drivers/news_r3k.cpp b/src/mame/drivers/news_r3k.cpp deleted file mode 100644 index 20bae67c430..00000000000 --- a/src/mame/drivers/news_r3k.cpp +++ /dev/null @@ -1,524 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Patrick Mackinlay - -/* - * Sony NEWS R3000 systems. - * - * Sources: - * - https://github.com/robohack/ucb-csrg-bsd/blob/master/sys/news3400/ - * - * TODO: - * - lcd controller - * - screen params - * - floppy density/eject - * - centronics port - * - sound - * - other models, including slots/cards - */ - -#include "emu.h" - -#include "cpu/mips/mips1.h" - -// memory -#include "machine/ram.h" - -// various hardware -#include "machine/timekpr.h" -#include "machine/z80scc.h" -#include "machine/am79c90.h" -#include "machine/upd765.h" -#include "machine/dmac_0448.h" -#include "machine/news_hid.h" -#include "machine/cxd1185.h" - -// video -#include "screen.h" - -// audio -#include "sound/spkrdev.h" -#include "speaker.h" - -// busses and connectors -#include "machine/nscsi_bus.h" -#include "bus/nscsi/cd.h" -#include "bus/nscsi/hd.h" -#include "bus/rs232/rs232.h" - -#include "imagedev/floppy.h" -#include "formats/pc_dsk.h" - -#include "debugger.h" - -#define VERBOSE 0 -#include "logmacro.h" - -class news_r3k_state : public driver_device -{ -public: - news_r3k_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_lcd(*this, "lcd") - , m_hid(*this, "hid") - , m_scsi(*this, "scsi:7:cxd1185") - , m_serial(*this, "serial%u", 0U) - , m_scsibus(*this, "scsi") - , m_vram(*this, "vram") - , m_led(*this, "led%u", 0U) - { - } - -protected: - // driver_device overrides - virtual void machine_start() override; - virtual void machine_reset() override; - - // address maps - void cpu_map(address_map &map); - - // machine config - void common(machine_config &config); - -public: - void nws3260(machine_config &config); - - void init_common(); - -protected: - u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, rectangle const &cliprect); - - 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(void *ptr, 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<screen_device> m_lcd; - 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; - - required_shared_ptr<u32> m_vram; - output_finder<4> m_led; - - std::unique_ptr<u16[]> m_net_ram; - - emu_timer *m_itimer; - - u16 m_inten; - u16 m_intst; - u8 m_debug; - - bool m_int_state[4]; - bool m_lcd_enable; - bool m_lcd_dim; -}; - -void news_r3k_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)); - save_item(NAME(m_lcd_enable)); - save_item(NAME(m_lcd_dim)); - - m_itimer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(news_r3k_state::itimer), this)); - - for (bool &int_state : m_int_state) - int_state = false; - m_lcd_enable = false; - m_lcd_dim = false; - - m_inten = 0; - m_intst = 0; -} - -void news_r3k_state::machine_reset() -{ -} - -void news_r3k_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 news_r3k_state::cpu_map(address_map &map) -{ - map.unmap_value_high(); - - 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(0x18000000, 0x18ffffff).r(FUNC(news_r3k_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_state::inten_r), FUNC(news_r3k_state::inten_w)); - map(0x1fc80002, 0x1fc80003).r(FUNC(news_r3k_state::intst_r)); - map(0x1fc80004, 0x1fc80005).w(FUNC(news_r3k_state::intclr_w)); - map(0x1fc80006, 0x1fc80006).w(FUNC(news_r3k_state::itimer_w)); - // 1fcc0000 // cstrobe? - // 1fcc0002 // sccstatus0? - map(0x1fcc0003, 0x1fcc0003).rw(FUNC(news_r3k_state::debug_r), FUNC(news_r3k_state::debug_w)); - // 1fcc0007 // sccvect? - - 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(0x1ff60000, 0x1ff6001b).lw8([this](offs_t offset, u8 data) { LOG("crtc offset %x 0x%02x\n", offset, data); }, "lfbm_crtc_w"); // TODO: HD64646FS - 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 - -u32 news_r3k_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_state::inten_w(offs_t offset, u16 data, u16 mem_mask) -{ - COMBINE_DATA(&m_inten); - - int_check(); -} - -template <news_r3k_state::irq_number Number> void news_r3k_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_state::intclr_w(offs_t offset, u16 data, u16 mem_mask) -{ - m_intst &= ~(data & mem_mask); - - int_check(); -} - -void news_r3k_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_state::bus_error() -{ - if (!machine().side_effects_disabled()) - irq_w<BERR>(ASSERT_LINE); - - return 0; -} - -void news_r3k_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_state::itimer(void *ptr, s32 param) -{ - irq_w<TIMER>(ASSERT_LINE); -} - -void news_r3k_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_state::common(machine_config &config) -{ - R3000A(config, m_cpu, 20_MHz_XTAL, 32768, 32768); - m_cpu->set_addrmap(AS_PROGRAM, &news_r3k_state::cpu_map); - m_cpu->set_fpu(mips1_device_base::MIPS_R3010Av4); - - // 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"); - - DMAC_0448(config, m_dma, 0); - m_dma->set_bus(m_cpu, 0); - m_dma->out_int_cb().set(FUNC(news_r3k_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_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_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" - 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)); - }); - - SCREEN(config, m_lcd, SCREEN_TYPE_LCD); - m_lcd->set_raw(52416000, 1120, 0, 1120, 780, 0, 780); - m_lcd->set_screen_update(FUNC(news_r3k_state::screen_update)); - - NEWS_HID_HLE(config, m_hid); - m_hid->irq_out<news_hid_hle_device::KEYBOARD>().set(FUNC(news_r3k_state::irq_w<KBD>)); - m_hid->irq_out<news_hid_hle_device::MOUSE>().set(FUNC(news_r3k_state::irq_w<MOUSE>)); -} - -void news_r3k_state::nws3260(machine_config &config) -{ - common(config); -} - -ROM_START(nws3260) - ROM_REGION32_BE(0x20000, "eprom", 0) - ROM_SYSTEM_BIOS(0, "nws3260", "NWS-3260 v2.0A") - 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 - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP(1991, nws3260, 0, 0, nws3260, nws3260, news_r3k_state, init_common, "Sony", "NWS-3260", MACHINE_NO_SOUND) |