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Diffstat (limited to 'src/devices/bus/samcoupe/drive/floppy.cpp')
-rw-r--r--src/devices/bus/samcoupe/drive/floppy.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/devices/bus/samcoupe/drive/floppy.cpp b/src/devices/bus/samcoupe/drive/floppy.cpp
new file mode 100644
index 00000000000..4d37aeb35f6
--- /dev/null
+++ b/src/devices/bus/samcoupe/drive/floppy.cpp
@@ -0,0 +1,91 @@
+// license: GPL-2.0+
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Internal floppy drive for SAM Coupe
+
+***************************************************************************/
+
+#include "emu.h"
+#include "floppy.h"
+#include "formats/coupedsk.h"
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(SAM_FLOPPY, sam_floppy_device, "sam_floppy", "SAM Coupe Internal Floppy")
+
+FLOPPY_FORMATS_MEMBER( sam_floppy_device::floppy_formats )
+ FLOPPY_MGT_FORMAT
+FLOPPY_FORMATS_END
+
+static void samcoupe_floppies(device_slot_interface &device)
+{
+ device.option_add("35dd", FLOPPY_35_DD);
+}
+
+//-------------------------------------------------
+// device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void sam_floppy_device::device_add_mconfig(machine_config &config)
+{
+ WD1772(config, m_fdc, 24_MHz_XTAL / 3);
+ FLOPPY_CONNECTOR(config, "fdc:0", samcoupe_floppies, "35dd", sam_floppy_device::floppy_formats);
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// sam_floppy_device - constructor
+//-------------------------------------------------
+
+sam_floppy_device::sam_floppy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, SAM_FLOPPY, tag, owner, clock),
+ device_samcoupe_drive_interface(mconfig, *this),
+ m_fdc(*this, "fdc"),
+ m_drive(*this, "fdc:0")
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void sam_floppy_device::device_start()
+{
+}
+
+
+//**************************************************************************
+// IMPLEMENTATION
+//**************************************************************************
+
+uint8_t sam_floppy_device::read(offs_t offset)
+{
+ floppy_image_device *floppy = m_drive->get_device();
+
+ if (floppy)
+ floppy->ss_w(BIT(offset, 2));
+
+ m_fdc->set_floppy(floppy);
+
+ return m_fdc->read(offset & 0x03);
+}
+
+void sam_floppy_device::write(offs_t offset, uint8_t data)
+{
+ floppy_image_device *floppy = m_drive->get_device();
+
+ if (floppy)
+ floppy->ss_w(BIT(offset, 2));
+
+ m_fdc->set_floppy(floppy);
+
+ m_fdc->write(offset & 0x03, data);
+}