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-rw-r--r--src/devices/bus/m5/rom.cpp63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/devices/bus/m5/rom.cpp b/src/devices/bus/m5/rom.cpp
new file mode 100644
index 00000000000..bffd33df541
--- /dev/null
+++ b/src/devices/bus/m5/rom.cpp
@@ -0,0 +1,63 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+/***********************************************************************************************************
+
+
+ M5 cart emulation
+
+
+ ***********************************************************************************************************/
+
+
+#include "emu.h"
+#include "rom.h"
+
+
+//-------------------------------------------------
+// m5_rom_device - constructor
+//-------------------------------------------------
+
+const device_type M5_ROM_STD = &device_creator<m5_rom_device>;
+const device_type M5_ROM_RAM = &device_creator<m5_ram_device>;
+
+
+m5_rom_device::m5_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
+ : device_t(mconfig, type, name, tag, owner, clock, shortname, source),
+ device_m5_cart_interface( mconfig, *this )
+{
+}
+
+m5_rom_device::m5_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, M5_ROM_STD, "M5 Standard ROM Carts", tag, owner, clock, "m5_rom", __FILE__),
+ device_m5_cart_interface( mconfig, *this )
+{
+}
+
+
+m5_ram_device::m5_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : m5_rom_device(mconfig, M5_ROM_RAM, "M5 Expansion memory cart", tag, owner, clock, "m5_ram", __FILE__)
+{
+}
+
+
+/*-------------------------------------------------
+ mapper specific handlers
+ -------------------------------------------------*/
+
+READ8_MEMBER(m5_rom_device::read_rom)
+{
+ if (offset < m_rom_size)
+ return m_rom[offset];
+ else
+ return 0xff;
+}
+
+READ8_MEMBER(m5_ram_device::read_ram)
+{
+ return m_ram[offset];
+}
+
+WRITE8_MEMBER(m5_ram_device::write_ram)
+{
+ m_ram[offset] = data;
+}