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author Patrick Mackinlay <pmackinlay@hotmail.com>2021-01-15 17:00:19 +0700
committer Patrick Mackinlay <pmackinlay@hotmail.com>2021-01-15 17:00:19 +0700
commit8ccfa3762caaa99292391a8523f6ea53788a3f47 (patch)
tree80285c889d851f5eabc285cf47208f02a357d544
parentf30d070f88e95bd83adaaed2eedfc9301e9ef824 (diff)
New machines marked as NOT_WORKING
--- NEC EWS4800/310 [Plamen Mihaylov, Patrick Mackinlay]
-rw-r--r--scripts/target/mame/mess.lua1
-rw-r--r--src/mame/drivers/ews4800.cpp184
-rw-r--r--src/mame/mame.lst3
3 files changed, 188 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 0669f3c1dac..51161745726 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3021,6 +3021,7 @@ files {
createMESSProjects(_target, _subtarget, "nec")
files {
MAME_DIR .. "src/mame/drivers/apc.cpp",
+ MAME_DIR .. "src/mame/drivers/ews4800.cpp",
MAME_DIR .. "src/mame/drivers/hh_ucom4.cpp",
MAME_DIR .. "src/mame/drivers/pce.cpp",
MAME_DIR .. "src/mame/includes/pce.h",
diff --git a/src/mame/drivers/ews4800.cpp b/src/mame/drivers/ews4800.cpp
new file mode 100644
index 00000000000..4a5cf010fee
--- /dev/null
+++ b/src/mame/drivers/ews4800.cpp
@@ -0,0 +1,184 @@
+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+/*
+ * NEC EWS4800 systems.
+ *
+ * Sources:
+ * - http://www.jira-net.or.jp/vm/data/1993090101/1993090101knr/4-1-14.pdf
+ * - http://wiki.netbsd.org/ports/ews4800mips/
+ *
+ * TODO:
+ * - everything
+ */
+
+#include "emu.h"
+
+// processors and memory
+#include "cpu/mips/r4000.h"
+#include "machine/ram.h"
+
+// i/o devices
+#include "machine/z80scc.h"
+#include "machine/am79c90.h"
+#include "machine/timekpr.h"
+#include "machine/ncr5390.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 "debugger.h"
+
+#define LOG_GENERAL (1U << 0)
+
+#define VERBOSE 0
+#include "logmacro.h"
+
+namespace {
+
+class ews4800_state : public driver_device
+{
+public:
+ ews4800_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_rtc(*this, "rtc")
+ , m_scc(*this, "scc%u", 0U)
+ , m_scsibus(*this, "scsi")
+ , m_scsi(*this, "scsi:7:ncr53c96")
+ , m_net(*this, "net")
+ {
+ }
+
+ // machine config
+ void ews4800_310(machine_config &config);
+
+ void init();
+
+protected:
+ // driver_device overrides
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+
+ // address maps
+ void cpu_map(address_map &map);
+
+ u16 lance_r(offs_t offset, u16 mem_mask = 0xffff);
+ void lance_w(offs_t offset, u16 data, u16 mem_mask = 0xffff);
+
+private:
+ // processors and memory
+ required_device<r4000_device> m_cpu;
+ required_device<ram_device> m_ram;
+
+ // i/o devices
+ required_device<m48t02_device> m_rtc;
+ required_device_array<z80scc_device, 2> m_scc;
+ required_device<nscsi_bus_device> m_scsibus;
+ required_device<ncr53c94_device> m_scsi;
+ required_device<am7990_device> m_net;
+};
+
+void ews4800_state::machine_start()
+{
+}
+
+void ews4800_state::machine_reset()
+{
+}
+
+void ews4800_state::init()
+{
+ // map the configured ram
+ m_cpu->space(0).install_ram(0x00000000, m_ram->mask(), m_ram->pointer());
+}
+
+
+void ews4800_state::cpu_map(address_map &map)
+{
+ map(0x1fc00000, 0x1fcfffff).rom().region("eprom", 0);
+}
+
+u16 ews4800_state::lance_r(offs_t offset, u16 mem_mask)
+{
+ return 0;
+}
+
+void ews4800_state::lance_w(offs_t offset, u16 data, u16 mem_mask)
+{
+}
+
+static void ews4800_scsi_devices(device_slot_interface &device)
+{
+ device.option_add("harddisk", NSCSI_HARDDISK);
+ device.option_add("cdrom", NSCSI_CDROM);
+}
+
+/*
+ * irq function
+ * 1 fdd, printer
+ * 2 ethernet, scsi
+ * 3 vme?
+ * 4 serial
+ * 5 clock
+ */
+void ews4800_state::ews4800_310(machine_config &config)
+{
+ R4000(config, m_cpu, 40_MHz_XTAL);
+ m_cpu->set_addrmap(AS_PROGRAM, &ews4800_state::cpu_map);
+
+ // 8 SIMM slots
+ RAM(config, m_ram);
+ m_ram->set_default_size("16M");
+ m_ram->set_extra_options("80M,144M");
+ m_ram->set_default_value(0);
+
+ // scsi bus and devices
+ NSCSI_BUS(config, m_scsibus);
+ NSCSI_CONNECTOR(config, "scsi:0", ews4800_scsi_devices, "harddisk");
+ NSCSI_CONNECTOR(config, "scsi:1", ews4800_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:2", ews4800_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:3", ews4800_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:4", ews4800_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:5", ews4800_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:6", ews4800_scsi_devices, nullptr);
+
+ // scsi host adapter (NCR53C96)
+ NSCSI_CONNECTOR(config, "scsi:7").option_set("ncr53c96", NCR53C94).clock(24_MHz_XTAL).machine_config(
+ [this](device_t *device)
+ {
+ ncr53c94_device &adapter = downcast<ncr53c94_device &>(*device);
+
+ adapter.set_busmd(ncr53c94_device::busmd_t::BUSMD_1);
+ //adapter.irq_handler_cb()
+ //adapter.drq_handler_cb()
+ });
+
+ // ethernet
+ AM7990(config, m_net);
+ //m_net->intr_out()
+ m_net->dma_in().set(FUNC(ews4800_state::lance_r));
+ m_net->dma_out().set(FUNC(ews4800_state::lance_w));
+
+ // mouse on channel A, keyboard on channel B?
+ SCC85230(config, m_scc[0], 4.915200_MHz_XTAL); // TODO: clock unconfirmed
+ SCC85230(config, m_scc[1], 4.915200_MHz_XTAL); // TODO: clock unconfirmed
+
+ M48T02(config, m_rtc);
+}
+
+ROM_START(ews4800_310)
+ ROM_REGION64_BE(0x100000, "eprom", 0)
+ ROM_SYSTEM_BIOS(0, "ews4800_310", "ews4800_310")
+ ROMX_LOAD("g8ppg__0100.a01f2", 0x00000, 0x80000, CRC(a1e25ce7) SHA1(cfc5e2b203bf6018b04980deeee43afa202dea7c), ROM_BIOS(0))
+ ROMX_LOAD("g8ppg__0200.a01f", 0x80000, 0x80000, CRC(d610f20d) SHA1(f8476bf91111b8023ff7984e5e9a8575e48ed5df), ROM_BIOS(0))
+ROM_END
+
+} // anonymous namespace
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
+COMP(1993, ews4800_310, 0, 0, ews4800_310, 0, ews4800_state, init, "NEC", "EWS4800/310", MACHINE_IS_SKELETON)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index f5aefdef7b8..2d0757f993c 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -13353,6 +13353,9 @@ eva24 //
@source:evmbug.cpp
evmbug //
+@source:ews4800.cpp
+ews4800_310 // NEC EWS4800/310
+
@source:excali64.cpp
excali64 //