summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/nscsi/cdd2000.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/nscsi/cdd2000.cpp')
-rw-r--r--src/devices/bus/nscsi/cdd2000.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/devices/bus/nscsi/cdd2000.cpp b/src/devices/bus/nscsi/cdd2000.cpp
new file mode 100644
index 00000000000..36f6a7df82c
--- /dev/null
+++ b/src/devices/bus/nscsi/cdd2000.cpp
@@ -0,0 +1,54 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/*******************************************************************************
+
+ Skeleton device for Philips CDD2000/HP4020 CD-R.
+
+*******************************************************************************/
+
+#include "emu.h"
+#include "bus/nscsi/cdd2000.h"
+#include "cpu/mc68hc11/mc68hc11.h"
+#include "machine/ncr5390.h"
+
+DEFINE_DEVICE_TYPE(CDD2000, cdd2000_device, "cdd2000", "Philips CDD2000 CD-R")
+
+cdd2000_device::cdd2000_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, CDD2000, tag, owner, clock)
+ , nscsi_slot_card_interface(mconfig, *this, "scsic")
+ , m_cdcpu(*this, "cdcpu")
+{
+}
+
+void cdd2000_device::device_start()
+{
+}
+
+void cdd2000_device::mem_map(address_map &map)
+{
+ map(0x0400, 0x040f).m("scsic", FUNC(ncr53cf94_device::map));
+ // 0x0800, 0x080f is another device
+ map(0x1000, 0xffff).rom().region("flash", 0x31000); // TODO: banking
+ map(0x2000, 0x3fff).ram();
+}
+
+void cdd2000_device::device_add_mconfig(machine_config &config)
+{
+ MC68HC11(config, m_cdcpu, 8'000'000); // type and clock are total guesses
+ m_cdcpu->set_addrmap(AS_PROGRAM, &cdd2000_device::mem_map);
+
+ NCR53CF94(config, "scsic", 25'000'000); // type and clock guessed
+}
+
+ROM_START(cdd2000)
+ ROM_REGION(0x40000, "flash", 0)
+ ROM_SYSTEM_BIOS(0, "v126", "Firmware v1.26")
+ ROMX_LOAD("cdd2_126.bin", 0x00000, 0x40000, CRC(8a9f0f85) SHA1(efc6c696b12af7d29fcc37c641bc5879517d6fd8), ROM_BIOS(0)) // 9F9E checksum
+ ROM_SYSTEM_BIOS(1, "v125", "Firmware v1.25")
+ ROMX_LOAD("cdd2_125.bin", 0x00000, 0x40000, CRC(17f1c04a) SHA1(882be4ed5daf70a686929fffcb66fa95b431bbe2), ROM_BIOS(1)) // A29B checksum
+ROM_END
+
+const tiny_rom_entry *cdd2000_device::device_rom_region() const
+{
+ return ROM_NAME(cdd2000);
+}