Add dump of AppleCD 150 [DBWBP]

scripts/src/bus.lua

@@ -2466,6 +2466,8 @@ end
 
 if (BUSES["NSCSI"]~=null) then
 	files {
+		MAME_DIR .. "src/devices/bus/nscsi/applecd.cpp",
+		MAME_DIR .. "src/devices/bus/nscsi/applecd.h",
 		MAME_DIR .. "src/devices/bus/nscsi/cd.cpp",
 		MAME_DIR .. "src/devices/bus/nscsi/cd.h",
 		MAME_DIR .. "src/devices/bus/nscsi/cdd2000.cpp",

src/devices/bus/nscsi/applecd.cpp

@@ -0,0 +1,92 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/*******************************************************************************
+
+    Skeleton device for Apple external CD-ROM drives.
+
+    PCB: 1-631-957-15
+
+    Microcontrollers:
+    - Intel S80C31-1
+    - Mitsubishi M37450M8-452FP © SONY '91
+
+    Memories:
+    - National NMC27C256Q (or BQ) 32,768x8 EEPROM (for 80C31)
+    - Sony CXK5864BM-12L 8,192x8 Static RAM (x2)
+      (one near EEPROM, one between LC8951 and M37450M8)
+    - Fujitsu MB81464-12 65,536x4 Dynamic RAM (x2: for CXD1184)
+    - Fujitsu MB81C79A-45 8,192x9 Static RAM (for LC8951)
+    - Sony CXK5816MS-12L 2,048x8 Static RAM (near CXD1135)
+
+    Other major digital ICs:
+    - Sony CXD1180AQ SCSI Controller
+    - Sony CXD1184Q
+    - Sanyo LC8951 CD-ROM Error Correction & Host Interface Processor
+    - Sony CXD1135Q
+
+    Linear ICs:
+    - Toshiba TC9154AP Dual Volume Control
+    - Burr-Brown PCM67U Dual Audio DAC
+    - Sony CXA1182Q-Z CD Servo Signal Processor
+    - Sony CXA1081M
+    - Toshiba TA8406P Dual Power Operational Amplifier (x3)
+
+    XTALs: 12A KSS2A (80C31?), 20A KSS2A (CXD1184), D167 (LC8951?)
+
+*******************************************************************************/
+
+#include "emu.h"
+#include "applecd.h"
+
+#include "cpu/mcs51/mcs51.h"
+#include "cpu/m6502/m3745x.h"
+#include "machine/ncr5380n.h"
+
+DEFINE_DEVICE_TYPE(APPLECD150, applecd150_device, "aplcd150", "AppleCD 150")
+
+applecd150_device::applecd150_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: device_t(mconfig, APPLECD150, tag, owner, clock)
+	, nscsi_slot_card_interface(mconfig, *this, "scsic")
+{
+}
+
+void applecd150_device::device_start()
+{
+}
+
+void applecd150_device::prog_map(address_map &map)
+{
+	map(0x0000, 0x7fff).rom().region("eeprom", 0);
+}
+
+void applecd150_device::ext_map(address_map &map)
+{
+	map(0xc020, 0xc027).m("scsic", FUNC(cxd1180_device::map));
+}
+
+void applecd150_device::device_add_mconfig(machine_config &config)
+{
+	i80c31_device &mcu1(I80C31(config, "mcu1", 12_MHz_XTAL));
+	mcu1.set_addrmap(AS_PROGRAM, &applecd150_device::prog_map);
+	mcu1.set_addrmap(AS_IO, &applecd150_device::ext_map);
+
+	M37450(config, "mcu2", 16.9344_MHz_XTAL / 2).set_disable();
+
+	CXD1180(config, "scsic").irq_handler().set_inputline("mcu1", MCS51_INT1_LINE);
+
+	//LC8951(config, "cdintf", 16.9344_MHz_XTAL);
+}
+
+ROM_START(aplcd150)
+	ROM_REGION(0x8000, "eeprom", 0)
+	ROM_LOAD("apl_1.8g_1289.ic303", 0x0000, 0x8000, CRC(54ebf81f) SHA1(e4cd656e2a433229543e874a29f1567758170fc6))
+
+	ROM_REGION(0x4000, "mcu2", 0)
+	ROM_LOAD("m37450m8-452fp.ic201", 0x0000, 0x4000, NO_DUMP)
+ROM_END
+
+const tiny_rom_entry *applecd150_device::device_rom_region() const
+{
+	return ROM_NAME(aplcd150);
+}
+

src/devices/bus/nscsi/applecd.h

@@ -0,0 +1,30 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_BUS_NSCSI_APPLECD_H
+#define MAME_BUS_NSCSI_APPLECD_H
+
+#pragma once
+
+#include "machine/nscsi_bus.h"
+
+class applecd150_device : public device_t, public nscsi_slot_card_interface
+{
+public:
+	applecd150_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 prog_map(address_map &map);
+	void ext_map(address_map &map);
+};
+
+DECLARE_DEVICE_TYPE(APPLECD150, applecd150_device)
+
+#endif // MAME_BUS_NSCSI_APPLECD_H

src/devices/bus/nscsi/devices.cpp

@@ -3,6 +3,7 @@
 
 #include "emu.h"
 
+#include "bus/nscsi/applecd.h"
 #include "bus/nscsi/cd.h"
 #include "bus/nscsi/cdd2000.h"
 #include "bus/nscsi/cdrn820s.h"
@@ -21,4 +22,5 @@ void default_scsi_devices(device_slot_interface &device)
 	device.option_add("cdrn820s", CDRN820S);
 	device.option_add("cdd2000", CDD2000);
 	device.option_add("smoc501", SMOC501);
+	device.option_add("aplcd150", APPLECD150);
 };