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author Curt Coder <curtcoder@mail.com>2013-10-20 15:35:36 +0000
committer Curt Coder <curtcoder@mail.com>2013-10-20 15:35:36 +0000
commit9d32b2dd7415603186c2585353880a33e574170a (patch)
tree2830a467108fd3c71d14ff55b87f2b956d603902 /src/emu/bus/s100/nsmdsad.c
parentc49b925dfe49da32d3c2da4dcef513978fe3b74c (diff)
(MESS) s100: Moved under emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/s100/nsmdsad.c')
-rw-r--r--src/emu/bus/s100/nsmdsad.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/emu/bus/s100/nsmdsad.c b/src/emu/bus/s100/nsmdsad.c
new file mode 100644
index 00000000000..00aa0b47cbd
--- /dev/null
+++ b/src/emu/bus/s100/nsmdsad.c
@@ -0,0 +1,125 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ North Star MICRO-DISK System MDS-A-D (Double Density) emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "nsmdsad.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type S100_MDS_AD = &device_creator<s100_mds_ad_device>;
+
+
+//-------------------------------------------------
+// ROM( mds_ad )
+//-------------------------------------------------
+
+ROM_START( mds_ad )
+ ROM_REGION( 0x100, "dsel", 0 )
+ ROM_LOAD( "dsel.11c", 0x000, 0x100, NO_DUMP ) // 82S129
+
+ ROM_REGION( 0x100, "dpgm", 0 )
+ ROM_LOAD( "dpgm.9d", 0x000, 0x100, CRC(7aafa134) SHA1(bf1552c4818f30473798af4f54e65e1957e0db48) )
+
+ ROM_REGION( 0x100, "dwe", 0 )
+ ROM_LOAD( "dwe.4c", 0x000, 0x100, NO_DUMP ) // 82S129
+ROM_END
+
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const rom_entry *s100_mds_ad_device::device_rom_region() const
+{
+ return ROM_NAME( mds_ad );
+}
+
+
+//-------------------------------------------------
+// SLOT_INTERFACE( mds_ad_floppies )
+//-------------------------------------------------
+
+static SLOT_INTERFACE_START( mds_ad_floppies )
+ SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) // Shugart SA-400
+SLOT_INTERFACE_END
+
+
+//-------------------------------------------------
+// MACHINE_CONFIG_FRAGMENT( mds_ad )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( mds_ad )
+ MCFG_FLOPPY_DRIVE_ADD("floppy0", mds_ad_floppies, "525dd", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("floppy1", mds_ad_floppies, "525dd", floppy_image_device::default_floppy_formats)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor s100_mds_ad_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( mds_ad );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// s100_mds_ad_device - constructor
+//-------------------------------------------------
+
+s100_mds_ad_device::s100_mds_ad_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, S100_MDS_AD, "MDS-A-D", tag, owner, clock, "nsmdsad", __FILE__),
+ device_s100_card_interface(mconfig, *this),
+ m_floppy0(*this, "floppy0"),
+ m_floppy1(*this, "floppy1"),
+ m_dsel_rom(*this, "dsel"),
+ m_dpgm_rom(*this, "dpgm"),
+ m_dwe_rom(*this, "dwe")
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void s100_mds_ad_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void s100_mds_ad_device::device_reset()
+{
+}
+
+
+//-------------------------------------------------
+// s100_smemr_r - memory read
+//-------------------------------------------------
+
+UINT8 s100_mds_ad_device::s100_smemr_r(address_space &space, offs_t offset)
+{
+ return 0;
+}