summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/news_68k.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/news_68k.cpp')
-rw-r--r--src/mame/drivers/news_68k.cpp474
1 files changed, 0 insertions, 474 deletions
diff --git a/src/mame/drivers/news_68k.cpp b/src/mame/drivers/news_68k.cpp
deleted file mode 100644
index e5629c29186..00000000000
--- a/src/mame/drivers/news_68k.cpp
+++ /dev/null
@@ -1,474 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Patrick Mackinlay
-
-/*
- * Sony NEWS M68K systems.
- *
- * Sources:
- * - http://wiki.netbsd.org/ports/news68k/
- *
- * TODO:
- * - mouse/keyboard
- * - graphics/slots
- */
-
-#include "emu.h"
-
-#include "cpu/m68000/m68000.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_0266.h"
-#include "machine/news_hid.h"
-#include "machine/ncr5380.h"
-
-// video
-#include "screen.h"
-#include "video/bt45x.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 "machine/input_merger.h"
-#include "imagedev/floppy.h"
-#include "formats/pc_dsk.h"
-
-#include "debugger.h"
-
-#define VERBOSE 0
-#include "logmacro.h"
-
-#define GRAPHICS 0
-
-class news_68k_state : public driver_device
-{
-public:
- news_68k_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_scsi(*this, "scsi:7:cxd1180")
- , m_hid(*this, "hid")
- , m_serial(*this, "serial%u", 0U)
- , m_irq5(*this, "irq5")
- , m_irq7(*this, "irq7")
- , m_sw1(*this, "SW1")
- , m_eprom(*this, "eprom")
- , m_led(*this, "led%u", 0U)
-#if GRAPHICS
- , m_screen(*this, "screen")
- , m_ramdac(*this, "ramdac")
- , m_vram(*this, "vram")
-#endif
- {
- }
-
- void nws1580(machine_config &config);
- void init_common();
-
-protected:
- // driver_device overrides
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
- // address maps
- void cpu_map(address_map &map);
- void cpu_autovector_map(address_map &map);
-
- // machine config
- void common(machine_config &config);
-
- enum irq_number : unsigned
- {
- IPIRQ1 = 0,
- IPIRQ3 = 1,
- LANCE = 2,
- VME4 = 3,
- VME2 = 4,
- FDC = 5,
- PRINTER = 6,
- SCSI = 7,
- };
- template <irq_number Number> void irq_w(int state);
- void int_check();
-
- void timer(void *ptr, s32 param);
- void timer_w(u8 data);
-
- u32 bus_error_r();
-
-#if GRAPHICS
- u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, rectangle const &cliprect) { return 0; }
-#endif
-
-private:
- // devices
- required_device<m68030_device> m_cpu;
- required_device<ram_device> m_ram;
- required_device<dmac_0266_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<cxd1180_device> m_scsi;
- required_device<news_hid_hle_device> m_hid;
-
- required_device_array<rs232_port_device, 2> m_serial;
-
- required_device<input_merger_device> m_irq5;
- required_device<input_merger_device> m_irq7;
- required_ioport m_sw1;
-
- required_region_ptr<u32> m_eprom;
- std::unique_ptr<u16[]> m_net_ram;
- output_finder<2> m_led;
-
-#if GRAPHICS
- required_device<screen_device> m_screen;
- required_device<bt458_device> m_ramdac;
- required_device<ram_device> m_vram;
-#endif
-
- emu_timer *m_timer;
-
- u8 m_intst;
- u8 m_parity_vector;
- bool m_int_state[2];
- bool m_scc_irq_state;
- bool m_parity_irq_state;
-};
-
-void news_68k_state::machine_start()
-{
- m_led.resolve();
-
- m_net_ram = std::make_unique<u16[]>(8192);
-
- m_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(news_68k_state::timer), this));
-
- m_intst = 0;
- for (bool &int_state : m_int_state)
- int_state = false;
-
- m_scc_irq_state = false;
- m_parity_irq_state = false;
-}
-
-void news_68k_state::machine_reset()
-{
- // eprom is mapped at 0 after reset
- m_cpu->space(0).install_rom(0x00000000, 0x0000ffff, m_eprom);
-}
-
-void news_68k_state::init_common()
-{
- // HACK: hardwire the rate
- m_fdc->set_rate(500000);
-}
-
-void news_68k_state::cpu_map(address_map &map)
-{
- map(0xe0000000, 0xe000ffff).rom().region("eprom", 0);
-
- // 0xe0c40000 // centronics
- map(0xe0c80000, 0xe0c80003).m(m_fdc, FUNC(upd72067_device::map));
- map(0xe0c80100, 0xe0c80100).rw(m_fdc, FUNC(upd72067_device::dma_r), FUNC(upd72067_device::dma_w));
- map(0xe0cc0000, 0xe0cc0007).m(m_scsi, FUNC(ncr5380_device::map));
-
- map(0xe0d00000, 0xe0d00007).m(m_hid, FUNC(news_hid_hle_device::map_68k));
- map(0xe0d40000, 0xe0d40003).rw(m_scc, FUNC(z80scc_device::ab_dc_r), FUNC(z80scc_device::ab_dc_w));
- map(0xe0d80000, 0xe0d807ff).rw(m_rtc, FUNC(m48t02_device::read), FUNC(m48t02_device::write));
- map(0xe0dc0000, 0xe0dc0000).lw8([this](u8 data) { m_led[0] = BIT(data, 0); m_led[1] = BIT(data, 1); }, "led_w");
-
- map(0xe0e00000, 0xe0e03fff).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");
- map(0xe0e80000, 0xe0e80017).m(m_dma, FUNC(dmac_0266_device::map));
- // e0ec0000 // sound board
- map(0xe0f00000, 0xe0f00003).rw(m_net, FUNC(am7990_device::regs_r), FUNC(am7990_device::regs_w));
- // e0f40000
- //map(0xe0f40000, 0xe0f40000).lr8([]() { return 0xfb; }, "scc_ridsr_r");
-
- map(0xe1000000, 0xe1000000).w(FUNC(news_68k_state::timer_w));
- map(0xe1080000, 0xe1080000).lw8([this](u8 data) { LOG("parity check enable 0x%02x\n", data); }, "parity_check_enable_w");
- map(0xe1180000, 0xe1180000).lw8([this](u8 data) { m_cpu->set_input_line(INPUT_LINE_IRQ2, bool(data)); }, "irq2_w");
- map(0xe1200000, 0xe1200000).lw8([this](u8 data) { m_cpu->space(0).install_ram(0, m_ram->mask(), 0xc0000000, m_ram->pointer()); }, "ram_enable");
- map(0xe1280000, 0xe1280000).lw8([this](u8 data) { m_cpu->set_input_line(INPUT_LINE_IRQ1, bool(data)); }, "ast_w");
- map(0xe1300000, 0xe1300000).lw8([this](u8 data) { LOG("cache enable 0x%02x (%s)\n", data, machine().describe_context()); }, "cache_enable_w");
- // 0xe1380000 // power on/off
- map(0xe1900000, 0xe1900000).lw8([this](u8 data) { LOG("cache clear 0x%02x\n", data); }, "cache_clear_w");
- map(0xe1a00000, 0xe1a00000).lw8([this](u8 data) { LOG("parity interrupt clear 0x%02x\n", data); }, "parity_interrupt_clear_w");
- // 0xe1b00000 // fdc vfo external/internal
- map(0xe1c00000, 0xe1c000ff).rom().region("idrom", 0);
- map(0xe1c00100, 0xe1c00103).lr8([this]() { return u8(m_sw1->read()); }, "sw1_r");
- // HACK: disable fdc irq for NetBSD
- map(0xe1c00200, 0xe1c00200).lrw8([this]() { return m_intst; }, "intst_r", [this](u8 data) { irq_w<FDC>(0); m_parity_vector = data; }, "parity_vector_w");
-
- // external I/O
- map(0xf0000000, 0xffffffff).r(FUNC(news_68k_state::bus_error_r));
-#if GRAPHICS
- // POPC
- //map(0xf0fc0000, 0xf0fc0003).unmaprw();
- // f0fc0000 & 0x40 == 0x00 -> popm
- // f0fc0000 & 0xc0 == 0xc0 -> popc
- map(0xf0fc0000, 0xf0fc0001).lr16([]() {return 0x00c0; }, "popc_probe"); // lower 2 bits give busy state
- map(0xf0fc4000, 0xf0fc4007).m(m_ramdac, FUNC(bt458_device::map)).umask32(0x00ff00ff);
-
- //map(0xf0fc0000, 0xf10bffff).rom().region("krom", 0);
-#endif
-
- // 0xf0c30000 expansion lance #1
- // 0xf0c20000 lance #1 memory
- // 0xf0c38000 lance #1 etherid
- // 0xf0c70000 expansion lance #2
- // 0xf0c60000 lance #2 memory
- // 0xf0c78000 lance #2 etherid
-
- // 0xf0d04000 isdn?
-
- // 0xf0f00000 nwb512_base
- // 0xf0fc0000 nwb512krom_base
- // 0xf0700000 nwb225_base
- // 0xf0600000 nwb225krom_base
-}
-
-void news_68k_state::cpu_autovector_map(address_map &map)
-{
- map(0xfffffff3, 0xfffffff3).lr8(NAME([]() { return m68000_base_device::autovector(1); }));
- map(0xfffffff5, 0xfffffff5).lr8(NAME([]() { return m68000_base_device::autovector(2); }));
- map(0xfffffff7, 0xfffffff7).lr8(NAME([]() { return m68000_base_device::autovector(3); }));
- map(0xfffffff9, 0xfffffff9).lr8(NAME([]() { return m68000_base_device::autovector(4); }));
- map(0xfffffffb, 0xfffffffb).lr8(NAME([this]() { return m_scc_irq_state ? m_scc->m1_r() : m68000_base_device::autovector(5); }));
- map(0xfffffffd, 0xfffffffd).lr8(NAME([]() { return m68000_base_device::autovector(6); }));
- map(0xffffffff, 0xffffffff).lr8(NAME([this]() { return m_parity_irq_state ? m_parity_vector : m68000_base_device::autovector(7); }));
-}
-
-template <news_68k_state::irq_number Number> void news_68k_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_68k_state::int_check()
-{
- // TODO: assume 43334443, masking?
- static int const int_line[] = { INPUT_LINE_IRQ3, INPUT_LINE_IRQ4 };
- static u8 const int_mask[] = { 0x71, 0x8e };
-
- for (unsigned i = 0; i < std::size(m_int_state); i++)
- {
- bool const int_state = m_intst & 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);
- }
- }
-}
-
-void news_68k_state::timer_w(u8 data)
-{
- LOG("timer_w 0x%02x\n", data);
-
- if (data)
- m_timer->adjust(attotime::from_hz(100));
- else
- m_cpu->set_input_line(INPUT_LINE_IRQ6, CLEAR_LINE);
-}
-
-void news_68k_state::timer(void *ptr, s32 param)
-{
- m_cpu->set_input_line(INPUT_LINE_IRQ6, ASSERT_LINE);
-}
-
-u32 news_68k_state::bus_error_r()
-{
- if (!machine().side_effects_disabled())
- m_cpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
-
- return 0;
-}
-
-static void news_scsi_devices(device_slot_interface &device)
-{
- device.option_add("harddisk", NSCSI_HARDDISK);
- device.option_add("cdrom", NSCSI_CDROM);
-}
-
-void news_68k_state::common(machine_config &config)
-{
- M68030(config, m_cpu, 50_MHz_XTAL / 2);
- m_cpu->set_addrmap(AS_PROGRAM, &news_68k_state::cpu_map);
- m_cpu->set_addrmap(m68000_base_device::AS_CPU_SPACE, &news_68k_state::cpu_autovector_map);
-
- // 16 SIMM slots for RAM arranged as two groups of 8 slots, with each bank
- // corresponding to a pair of slots in each group; first bank soldered in
- RAM(config, m_ram);
- m_ram->set_default_size("8M");
- // TODO: assume only 1M modules are supported
- m_ram->set_extra_options("4M,12M,16M");
- m_ram->set_default_value(0);
-
- M48T02(config, m_rtc);
-
- DMAC_0266(config, m_dma, 0);
- m_dma->set_bus(m_cpu, 0);
-
- INPUT_MERGER_ANY_HIGH(config, m_irq5);
- m_irq5->output_handler().set_inputline(m_cpu, INPUT_LINE_IRQ5);
-
- SCC85C30(config, m_scc, 3993600);
- m_scc->out_int_callback().set(
- [this](int state)
- {
- m_scc_irq_state = bool(state);
- m_irq5->in_w<2>(state);
- });
-
- // scc channel A
- RS232_PORT(config, m_serial[0], default_rs232_devices, GRAPHICS ? nullptr : "terminal");
- 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_68k_state::irq_w<LANCE>)).invert();
- m_net->dma_in().set([this](offs_t offset) { return m_net_ram[(offset >> 1) & 0x1fff]; });
- m_net->dma_out().set([this](offs_t offset, u16 data, u16 mem_mask) { COMBINE_DATA(&m_net_ram[(offset >> 1) & 0x1fff]); });
-
- INPUT_MERGER_ANY_HIGH(config, m_irq7);
- m_irq7->output_handler().set_inputline(m_cpu, INPUT_LINE_IRQ7);
-
- UPD72067(config, m_fdc, 16_MHz_XTAL);
- m_fdc->intrq_wr_callback().set(FUNC(news_68k_state::irq_w<FDC>));
- m_fdc->drq_wr_callback().set(m_irq7, FUNC(input_merger_device::in_w<0>));
- 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, "scsi");
-
- /*
- * CDC WREN V HH 94221-5 (5.25" half-height SCSI-1 single-ended)
- * 1544 cylinders, 5 heads, 52 sectors/cylinder, ~170MiB formatted
- *
- * Vendor Product Rev. Vendor-specific
- * CDC 94221-5 5457 00018715
- */
- 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("cxd1180", CXD1180).machine_config(
- [this](device_t *device)
- {
- cxd1180_device &adapter = downcast<cxd1180_device &>(*device);
-
- adapter.irq_handler().set(*this, FUNC(news_68k_state::irq_w<SCSI>));
- adapter.irq_handler().append(m_dma, FUNC(dmac_0266_device::eop_w));
- adapter.drq_handler().set(m_dma, FUNC(dmac_0266_device::req_w));
-
- subdevice<dmac_0266_device>(":dma")->dma_r_cb().set(adapter, FUNC(cxd1180_device::dma_r));
- subdevice<dmac_0266_device>(":dma")->dma_w_cb().set(adapter, FUNC(cxd1180_device::dma_w));
- });
-
- NEWS_HID_HLE(config, m_hid);
-
-#if GRAPHICS
- m_hid->irq_out<news_hid_hle_device::KEYBOARD>().set(m_irq5, FUNC(input_merger_device::in_w<0>));
- m_hid->irq_out<news_hid_hle_device::MOUSE>().set(m_irq5, FUNC(input_merger_device::in_w<1>));
-
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- m_screen->set_raw(64.0_MHz_XTAL, 1024, 0, 1024, 768, 0, 768);
- m_screen->set_screen_update(FUNC(news_68k_state::screen_update));
-
- // AM81C458-80JC
- BT458(config, m_ramdac, 64.0_MHz_XTAL);
-
- // 32 x MB81461-12 (256Kbit ZIP VRAM)
- RAM(config, m_vram);
- m_vram->set_default_size("1MiB");
- m_vram->set_default_value(0);
-#endif
-}
-
-void news_68k_state::nws1580(machine_config &config)
-{
- common(config);
-}
-
-static INPUT_PORTS_START(nws15x0)
- PORT_START("SW1")
- PORT_DIPNAME(0x07, 0x07, "Display") PORT_DIPLOCATION("SW1:1,2,3")
- PORT_DIPSETTING(0x07, "Console")
- PORT_DIPSETTING(0x06, "NWB-512")
- PORT_DIPSETTING(0x03, "NWB-225A")
- PORT_DIPSETTING(0x00, "Autoselect")
-
- PORT_DIPNAME(0x08, 0x08, "Boot Device") PORT_DIPLOCATION("SW1:4")
- PORT_DIPSETTING(0x08, "SCSI")
- PORT_DIPSETTING(0x00, "Floppy")
-
- PORT_DIPNAME(0x10, 0x10, "Automatic Boot") PORT_DIPLOCATION("SW1:5")
- PORT_DIPSETTING(0x10, DEF_STR(Off))
- PORT_DIPSETTING(0x00, DEF_STR(On))
-
- PORT_DIPNAME(0x20, 0x20, "Diagnostic Mode") PORT_DIPLOCATION("SW1:6")
- PORT_DIPSETTING(0x20, DEF_STR(Off))
- PORT_DIPSETTING(0x00, DEF_STR(On))
-
- PORT_DIPUNUSED_DIPLOC(0xc0, 0xc0, "SW1:7,8")
-INPUT_PORTS_END
-
-ROM_START(nws1580)
- ROM_REGION32_BE(0x10000, "eprom", 0)
- ROM_SYSTEM_BIOS(0, "nws1580", "NWS-1580 v1.3")
- ROMX_LOAD("pws-1500__ver_1.3__8906.bin", 0x00000, 0x10000, CRC(76395ad9) SHA1(c2ae00218c23cef6519a4d7c74ac2c552790dfd4), ROM_BIOS(0))
-
- // MB7114 256x4 TTL PROM
- ROM_REGION32_BE(0x100, "idrom", 0)
- ROM_LOAD("n1580_50093.ic63", 0x000, 0x100, CRC(a7f293d6) SHA1(21deffed69e07af515ffc5511bdbf73a2a4c14fb))
-
- // 2 x HN62321BP (128K x 8-bit mask ROM)
- ROM_REGION32_BE(0x100000, "krom", ROMREGION_ERASEFF)
- ROM_LOAD64_BYTE("aa1.ic14", 0x00000, 0x20000, CRC(db274954) SHA1(4bc9b8a862ce9bdbf43c70f84921253876e21e58))
- ROM_LOAD64_BYTE("aa2.ic15", 0x00001, 0x20000, CRC(0d7686c7) SHA1(b0be18166b4690518e6a11ea194cc1c7a1ea6347))
-ROM_END
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
-COMP(1988, nws1580, 0, 0, nws1580, nws15x0, news_68k_state, init_common, "Sony", "NWS-1580", MACHINE_NOT_WORKING)