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-rw-r--r--src/devices/bus/a2bus/a2diskiing.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2diskiing.cpp b/src/devices/bus/a2bus/a2diskiing.cpp
new file mode 100644
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+++ b/src/devices/bus/a2bus/a2diskiing.cpp
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ a2diskii.c
+
+ Implementation of the Apple II Disk II controller card
+
+*********************************************************************/
+
+#include "emu.h"
+#include "imagedev/floppy.h"
+#include "formats/ap2_dsk.h"
+#include "a2diskiing.h"
+
+/***************************************************************************
+ PARAMETERS
+***************************************************************************/
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+const device_type A2BUS_DISKIING = &device_creator<a2bus_diskiing_device>;
+
+#define WOZFDC_TAG "wozfdc"
+#define DISKII_ROM_REGION "diskii_rom"
+
+static SLOT_INTERFACE_START( a2_floppies )
+ SLOT_INTERFACE( "525", FLOPPY_525_SD )
+SLOT_INTERFACE_END
+
+static MACHINE_CONFIG_FRAGMENT( diskiing )
+ MCFG_DEVICE_ADD(WOZFDC_TAG, DISKII_FDC, 1021800*2)
+ MCFG_FLOPPY_DRIVE_ADD("0", a2_floppies, "525", a2bus_diskiing_device::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("1", a2_floppies, "525", a2bus_diskiing_device::floppy_formats)
+MACHINE_CONFIG_END
+
+ROM_START( diskiing )
+ ROM_REGION(0x100, DISKII_ROM_REGION, 0)
+ ROM_LOAD( "341-0027-a.p5", 0x0000, 0x0100, CRC(ce7144f6) SHA1(d4181c9f046aafc3fb326b381baac809d9e38d16) ) /* 341-0027-a: 16-sector disk drive (older version), PROM P5 */
+ROM_END
+
+FLOPPY_FORMATS_MEMBER( a2bus_diskiing_device::floppy_formats )
+ FLOPPY_A216S_FORMAT, FLOPPY_RWTS18_FORMAT, FLOPPY_EDD_FORMAT
+FLOPPY_FORMATS_END
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor a2bus_diskiing_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( diskiing );
+}
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const rom_entry *a2bus_diskiing_device::device_rom_region() const
+{
+ return ROM_NAME( diskiing );
+}
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+a2bus_diskiing_device::a2bus_diskiing_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, A2BUS_DISKIING, "Apple Disk II NG controller", tag, owner, clock, "a2diskiing", __FILE__),
+ device_a2bus_card_interface(mconfig, *this),
+ m_wozfdc(*this, WOZFDC_TAG),
+ floppy0(*this, "0"),
+ floppy1(*this, "1")
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void a2bus_diskiing_device::device_start()
+{
+ // set_a2bus_device makes m_slot valid
+ set_a2bus_device();
+
+ m_rom = device().machine().root_device().memregion(this->subtag(DISKII_ROM_REGION).c_str())->base();
+}
+
+void a2bus_diskiing_device::device_reset()
+{
+ m_wozfdc->set_floppies(floppy0, floppy1);
+}
+
+/*-------------------------------------------------
+ read_c0nx - called for reads from this card's c0nx space
+-------------------------------------------------*/
+
+UINT8 a2bus_diskiing_device::read_c0nx(address_space &space, UINT8 offset)
+{
+ return m_wozfdc->read(space, offset);
+}
+
+
+/*-------------------------------------------------
+ write_c0nx - called for writes to this card's c0nx space
+-------------------------------------------------*/
+
+void a2bus_diskiing_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
+{
+ m_wozfdc->write(space, offset, data);
+}
+
+/*-------------------------------------------------
+ read_cnxx - called for reads from this card's cnxx space
+-------------------------------------------------*/
+
+UINT8 a2bus_diskiing_device::read_cnxx(address_space &space, UINT8 offset)
+{
+ return m_rom[offset];
+}