summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/bbc/rom/dfs.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/bbc/rom/dfs.cpp')
-rw-r--r--src/devices/bus/bbc/rom/dfs.cpp63
1 files changed, 0 insertions, 63 deletions
diff --git a/src/devices/bus/bbc/rom/dfs.cpp b/src/devices/bus/bbc/rom/dfs.cpp
deleted file mode 100644
index 8a3aac6d588..00000000000
--- a/src/devices/bus/bbc/rom/dfs.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Nigel Barnes
-/***************************************************************************
-
- BBC Micro MRM E00 DFS emulation
-
- Comprises of 8K ROM and 2K/4K? RAM on a carrier board, with flying lead
- to RW line to enable writing to RAM.
-
-***************************************************************************/
-
-#include "emu.h"
-#include "dfs.h"
-
-
-//**************************************************************************
-// DEVICE DEFINITIONS
-//**************************************************************************
-
-DEFINE_DEVICE_TYPE(BBC_MRME00, bbc_mrme00_device, "bbc_mrme00", "BBC Micro MRM E00 DFS")
-
-//**************************************************************************
-// LIVE DEVICE
-//**************************************************************************
-
-//-------------------------------------------------
-// bbc_rom_device - constructor
-//-------------------------------------------------
-
-bbc_mrme00_device::bbc_mrme00_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, BBC_MRME00, tag, owner, clock)
- , device_bbc_rom_interface(mconfig, *this)
-{
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void bbc_mrme00_device::device_start()
-{
-}
-
-//-------------------------------------------------
-// read
-//-------------------------------------------------
-
-uint8_t bbc_mrme00_device::read(offs_t offset)
-{
- if (offset < get_rom_size())
- return get_rom_base()[offset & (get_rom_size() - 1)];
- else
- return get_ram_base()[offset & (get_ram_size() - 1)];
-}
-
-//-------------------------------------------------
-// write
-//-------------------------------------------------
-
-void bbc_mrme00_device::write(offs_t offset, uint8_t data)
-{
- get_ram_base()[offset & (get_ram_size() - 1)] = data;
-}