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author AJR <ajrhacker@users.noreply.github.com>2019-04-14 18:18:12 -0400
committer AJR <ajrhacker@users.noreply.github.com>2019-04-14 18:22:18 -0400
commite01935498f6a857e7d206c292b671e1bfab46838 (patch)
tree7f9e1c0bf4fa7b300435d44c9e050e2829c133a4 /src/devices/bus
parent003423aedbc7aed48b89cc5a6f575d50477aac74 (diff)
Add skeleton device for UltraStor Ultra-14F SCSI controller [Metropoli BBS Archive]
Diffstat (limited to 'src/devices/bus')
-rw-r--r--src/devices/bus/isa/isa_cards.cpp2
-rw-r--r--src/devices/bus/isa/ultra14f.cpp81
-rw-r--r--src/devices/bus/isa/ultra14f.h40
3 files changed, 123 insertions, 0 deletions
diff --git a/src/devices/bus/isa/isa_cards.cpp b/src/devices/bus/isa/isa_cards.cpp
index 5b0c2315f38..cd49ea82c19 100644
--- a/src/devices/bus/isa/isa_cards.cpp
+++ b/src/devices/bus/isa/isa_cards.cpp
@@ -42,6 +42,7 @@
#include "bt54x.h"
#include "dcb.h"
#include "ultra12f.h"
+#include "ultra14f.h"
// sound
#include "adlib.h"
@@ -189,4 +190,5 @@ void pc_isa16_cards(device_slot_interface &device)
device.option_add("bt545s", BT545S);
device.option_add("dcb", NOVELL_DCB);
device.option_add("ultra12f", ULTRA12F);
+ device.option_add("ultra14f", ULTRA14F);
}
diff --git a/src/devices/bus/isa/ultra14f.cpp b/src/devices/bus/isa/ultra14f.cpp
new file mode 100644
index 00000000000..52c3aa8ad83
--- /dev/null
+++ b/src/devices/bus/isa/ultra14f.cpp
@@ -0,0 +1,81 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***************************************************************************
+
+ UltraStor Ultra 14F AT Bus Fast SCSI-2 Bus Master Controller
+
+***************************************************************************/
+
+#include "emu.h"
+#include "ultra14f.h"
+
+#include "cpu/m68000/m68000.h"
+#include "machine/ncr5390.h"
+#include "machine/nscsi_bus.h"
+#include "machine/nscsi_hd.h"
+
+DEFINE_DEVICE_TYPE(ULTRA14F, ultra14f_device, "ultra14f", "Ultra-14F SCSI Host Adapter")
+
+ultra14f_device::ultra14f_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, ULTRA14F, tag, owner, clock)
+ , device_isa16_card_interface(mconfig, *this)
+ , m_uscpu(*this, "uscpu")
+ , m_fdc(*this, "fdc")
+ , m_bios(*this, "bios")
+{
+}
+
+void ultra14f_device::device_start()
+{
+}
+
+void ultra14f_device::uscpu_map(address_map &map)
+{
+ map(0x000000, 0x007fff).rom().region("firmware", 0);
+ map(0x00e000, 0x00e00f).m("scsi:7:scsic", FUNC(ncr53cf94_device::map));
+ map(0x3f8000, 0x3fffff).ram();
+}
+
+static void u14f_scsi_devices(device_slot_interface &device)
+{
+ device.option_add("harddisk", NSCSI_HARDDISK);
+ device.option_add_internal("scsic", NCR53CF94); // Emulex FAS216 or similar custom-marked as USC060-6-40B
+}
+
+void ultra14f_device::scsic_config(device_t *device)
+{
+ device->set_clock(40_MHz_XTAL);
+ downcast<ncr53cf94_device &>(*device).irq_handler_cb().set_inputline(m_uscpu, M68K_IRQ_1);
+}
+
+void ultra14f_device::device_add_mconfig(machine_config &config)
+{
+ M68008FN(config, m_uscpu, 40_MHz_XTAL / 10); // custom-marked as USC080-5-10A
+ m_uscpu->set_addrmap(AS_PROGRAM, &ultra14f_device::uscpu_map);
+
+ NSCSI_BUS(config, "scsi");
+ NSCSI_CONNECTOR(config, "scsi:0", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:1", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:2", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:3", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:4", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:5", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:6", u14f_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:7", u14f_scsi_devices, "scsic", true)
+ .set_option_machine_config("scsic", [this] (device_t *device) { scsic_config(device); });
+
+ DP8473(config, m_fdc, 24_MHz_XTAL); // custom-marked as USC020-1-24
+}
+
+ROM_START(ultra14f)
+ ROM_REGION(0x8000, "firmware", 0)
+ ROM_LOAD("28004.006", 0x0000, 0x8000, CRC(489a872e) SHA1(692faaf945856b3888be5d8778f5643e51711ee2))
+
+ ROM_REGION(0x4000, "bios", 0) // "Date : 01/07/93 Version 2.01"
+ ROM_LOAD("38004.005", 0x0000, 0x4000, CRC(0d9d831d) SHA1(9c1539f8473f8330be323e728e7aabccc77542d0))
+ROM_END
+
+const tiny_rom_entry *ultra14f_device::device_rom_region() const
+{
+ return ROM_NAME(ultra14f);
+}
diff --git a/src/devices/bus/isa/ultra14f.h b/src/devices/bus/isa/ultra14f.h
new file mode 100644
index 00000000000..9661e24a4b3
--- /dev/null
+++ b/src/devices/bus/isa/ultra14f.h
@@ -0,0 +1,40 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***************************************************************************
+
+ UltraStor Ultra 14F AT Bus Fast SCSI-2 Bus Master Controller
+
+***************************************************************************/
+
+#ifndef MAME_BUS_ISA_ULTRA14F_H
+#define MAME_BUS_ISA_ULTRA14F_H
+
+#pragma once
+
+#include "isa.h"
+#include "machine/upd765.h"
+
+class ultra14f_device : public device_t, public device_isa16_card_interface
+{
+public:
+ ultra14f_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+ static constexpr feature_type unemulated_features() { return feature::DISK; }
+
+protected:
+ virtual void device_start() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ void uscpu_map(address_map &map);
+ void scsic_config(device_t *device);
+
+ required_device<cpu_device> m_uscpu;
+ required_device<upd765_family_device> m_fdc;
+ required_region_ptr<u8> m_bios;
+};
+
+DECLARE_DEVICE_TYPE(ULTRA14F, ultra14f_device)
+
+#endif // MAME_BUS_ISA_ULTRA14F_H