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Diffstat (limited to 'src/devices/bus/s100/djdma.c')
-rw-r--r--src/devices/bus/s100/djdma.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/devices/bus/s100/djdma.c b/src/devices/bus/s100/djdma.c
new file mode 100644
index 00000000000..c0d93aed2f5
--- /dev/null
+++ b/src/devices/bus/s100/djdma.c
@@ -0,0 +1,127 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Morrow Designs Disk Jockey/DMA floppy controller board emulation
+
+**********************************************************************/
+
+#include "djdma.h"
+
+
+
+//**************************************************************************
+// MACROS/CONSTANTS
+//**************************************************************************
+
+#define Z80_TAG "14a"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type S100_DJDMA = &device_creator<s100_djdma_device>;
+
+
+//-------------------------------------------------
+// ROM( djdma )
+//-------------------------------------------------
+
+ROM_START( djdma )
+ ROM_REGION( 0x1000, Z80_TAG, 0 )
+ ROM_LOAD( "djdma 2.5 26c2.16d", 0x0000, 0x1000, CRC(71ff1924) SHA1(6907575954836364826b8fdef3c108bb93bf3d25) )
+
+ ROM_REGION( 0x500, "proms", 0 )
+ ROM_LOAD( "djdma2x.3d", 0x000, 0x200, CRC(f9b1648b) SHA1(1ebe6dc8ccfbfa6c7dc98cb65fbc9fa21e3b687f) )
+ ROM_LOAD( "dj-11c-a.11c", 0x200, 0x200, CRC(0c6c4af0) SHA1(8fdcd34e3d07add793ff9ba27c77af864e1731bb) )
+ ROM_LOAD( "dja-12b.12b", 0x400, 0x100, CRC(040044af) SHA1(d069dc0e6b680cb8848d165aff6681ed2d750961) )
+
+ ROM_REGION( 0x104, "plds", 0 )
+ ROM_LOAD( "djdma-2b.2b", 0x000, 0x104, CRC(d6925f2c) SHA1(1e58dfb7b8a2a5bbaa6589d4018042626fd5ceaf) ) // PAL16R4
+ ROM_LOAD( "djdma 2c 81d5.2c", 0x0000, 0x10, NO_DUMP ) // ?
+ROM_END
+
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const rom_entry *s100_djdma_device::device_rom_region() const
+{
+ return ROM_NAME( djdma );
+}
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( djdma_mem )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( djdma_mem, AS_PROGRAM, 8, s100_djdma_device )
+ AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("14a", 0)
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( djdma_io )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( djdma_io, AS_IO, 8, s100_djdma_device )
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// MACHINE_CONFIG_FRAGMENT( s100_djdma )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( s100_djdma )
+ MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_4MHz)
+ MCFG_CPU_PROGRAM_MAP(djdma_mem)
+ MCFG_CPU_IO_MAP(djdma_io)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor s100_djdma_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( s100_djdma );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// s100_djdma_device - constructor
+//-------------------------------------------------
+
+s100_djdma_device::s100_djdma_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, S100_DJDMA, "DJDMA", tag, owner, clock, "djdma", __FILE__),
+ device_s100_card_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void s100_djdma_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void s100_djdma_device::device_reset()
+{
+}