Add dump and skeleton device for Conner Peripherals CD-2024 hard disk [Bitsavers]

scripts/src/bus.lua

@@ -481,6 +481,8 @@ if (BUSES["ATA"]~=null) then
 		MAME_DIR .. "src/devices/bus/ata/atapicdr.h",
 		MAME_DIR .. "src/devices/bus/ata/atapihle.cpp",
 		MAME_DIR .. "src/devices/bus/ata/atapihle.h",
+		MAME_DIR .. "src/devices/bus/ata/cp2024.cpp",
+		MAME_DIR .. "src/devices/bus/ata/cp2024.h",
 		MAME_DIR .. "src/devices/bus/ata/cr589.cpp",
 		MAME_DIR .. "src/devices/bus/ata/cr589.h",
 		MAME_DIR .. "src/devices/bus/ata/gdrom.cpp",

src/devices/bus/ata/atadev.cpp

@@ -10,6 +10,7 @@
 #include "atadev.h"
 
 #include "atapicdr.h"
+#include "cp2024.h"
 #include "idehd.h"
 #include "px320a.h"
 
@@ -71,4 +72,5 @@ void ata_devices(device_slot_interface &device)
 	device.option_add("cdrom", ATAPI_CDROM);
 	device.option_add("px320a", PX320A);
 	device.option_add("cf", ATA_CF);
+	device.option_add("cp2024", CP2024);
 }

src/devices/bus/ata/cp2024.cpp

@@ -0,0 +1,101 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/*******************************************************************************
+
+    Skeleton device for Conner Peripherals CP-2024 2.5″ IDE hard disk drive.
+
+    Codename: "Kato"
+    ICs: Linear Technology LT1072 (DIP8)
+         Cirrus Logic SH110-00PC (PLCC28)
+         Cirrus Logic CL-SH265-25QC-C (QFP100)
+         Microchip 27C256-20/L (PLCC32)
+         Motorola SC80566FN (PLCC52)
+         Texas Instruments LS01 (SOP14)
+         S-MOS 61100-003 (QFP64)
+         Cirrus Logic 61094-4 (PLCC44)
+         LSI Logic(?) 61089-003 (PLCC52)
+
+*******************************************************************************/
+
+#include "emu.h"
+#include "cp2024.h"
+#include "cpu/mc68hc11/mc68hc11.h"
+
+DEFINE_DEVICE_TYPE(CP2024, cp2024_device, "cp2024", "Conner Peripherals CP-2024 hard disk")
+
+cp2024_device::cp2024_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: device_t(mconfig, CP2024, tag, owner, clock)
+	, device_ata_interface(mconfig, *this)
+{
+}
+
+void cp2024_device::device_start()
+{
+}
+
+
+u16 cp2024_device::read_dma()
+{
+	return 0;
+}
+
+u16 cp2024_device::read_cs0(offs_t offset, u16 mem_mask)
+{
+	return 0;
+}
+
+u16 cp2024_device::read_cs1(offs_t offset, u16 mem_mask)
+{
+	return 0;
+}
+
+void cp2024_device::write_dma(u16 data)
+{
+}
+
+void cp2024_device::write_cs0(offs_t offset, u16 data, u16 mem_mask)
+{
+}
+
+void cp2024_device::write_cs1(offs_t offset, u16 data, u16 mem_mask)
+{
+}
+
+WRITE_LINE_MEMBER(cp2024_device::write_dmack)
+{
+}
+
+WRITE_LINE_MEMBER(cp2024_device::write_csel)
+{
+}
+
+WRITE_LINE_MEMBER(cp2024_device::write_dasp)
+{
+}
+
+WRITE_LINE_MEMBER(cp2024_device::write_pdiag)
+{
+}
+
+
+void cp2024_device::mcu_map(address_map &map)
+{
+	//map(0x0000, 0x00ff).m("sh265", FUNC(cl_sh265_device::map));
+	map(0x8000, 0xffff).rom().region("eprom", 0);
+}
+
+void cp2024_device::device_add_mconfig(machine_config &config)
+{
+	mc68hc11a1_device &mcu(MC68HC11A1(config, "mcu", 10'000'000)); // clock unknown
+	mcu.set_addrmap(AS_PROGRAM, &cp2024_device::mcu_map);
+}
+
+ROM_START(cp2024)
+	ROM_REGION(0x8000, "eprom", 0)
+	ROM_LOAD("27c256.bin", 0x0000, 0x8000, CRC(574b5904) SHA1(79bccc33835ba01fc4eb33fb4d412a691e7790c2))
+ROM_END
+
+const tiny_rom_entry *cp2024_device::device_rom_region() const
+{
+	return ROM_NAME(cp2024);
+}

src/devices/bus/ata/cp2024.h

@@ -0,0 +1,40 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_BUS_ATA_CP2024_H
+#define MAME_BUS_ATA_CP2024_H
+
+#pragma once
+
+#include "atadev.h"
+
+class cp2024_device : public device_t, public device_ata_interface
+{
+public:
+	cp2024_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;
+
+	virtual u16 read_dma() override;
+	virtual u16 read_cs0(offs_t offset, u16 mem_mask = 0xffff) override;
+	virtual u16 read_cs1(offs_t offset, u16 mem_mask = 0xffff) override;
+	virtual void write_dma(u16 data) override;
+	virtual void write_cs0(offs_t offset, u16 data, u16 mem_mask = 0xffff) override;
+	virtual void write_cs1(offs_t offset, u16 data, u16 mem_mask = 0xffff) override;
+	virtual DECLARE_WRITE_LINE_MEMBER(write_dmack) override;
+	virtual DECLARE_WRITE_LINE_MEMBER(write_csel) override;
+	virtual DECLARE_WRITE_LINE_MEMBER(write_dasp) override;
+	virtual DECLARE_WRITE_LINE_MEMBER(write_pdiag) override;
+
+private:
+	void mcu_map(address_map &map);
+};
+
+DECLARE_DEVICE_TYPE(CP2024, cp2024_device)
+
+#endif // MAME_BUS_ATA_CP2024_H