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-rw-r--r--src/devices/bus/vboy/rom.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/devices/bus/vboy/rom.cpp b/src/devices/bus/vboy/rom.cpp
new file mode 100644
index 00000000000..587be158610
--- /dev/null
+++ b/src/devices/bus/vboy/rom.cpp
@@ -0,0 +1,61 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+/***********************************************************************************************************
+
+
+ Nintendo Virtual Boy cart emulation
+
+
+ ***********************************************************************************************************/
+
+
+#include "emu.h"
+#include "rom.h"
+
+
+//-------------------------------------------------
+// vboy_rom_device - constructor
+//-------------------------------------------------
+
+const device_type VBOY_ROM_STD = &device_creator<vboy_rom_device>;
+const device_type VBOY_ROM_EEPROM = &device_creator<vboy_eeprom_device>;
+
+
+vboy_rom_device::vboy_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_vboy_cart_interface( mconfig, *this )
+{
+}
+
+vboy_rom_device::vboy_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, VBOY_ROM_STD, "Nintendo Virtual Boy Carts", tag, owner, clock, "vboy_rom", __FILE__),
+ device_vboy_cart_interface( mconfig, *this )
+{
+}
+
+vboy_eeprom_device::vboy_eeprom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : vboy_rom_device(mconfig, VBOY_ROM_EEPROM, "Nintendo Virtual Boy Carts + EEPROM", tag, owner, clock, "vboy_eeprom", __FILE__)
+{
+}
+
+
+/*-------------------------------------------------
+ mapper specific handlers
+ -------------------------------------------------*/
+
+READ32_MEMBER(vboy_rom_device::read_cart)
+{
+ return m_rom[offset & m_rom_mask];
+}
+
+
+READ32_MEMBER(vboy_eeprom_device::read_eeprom)
+{
+ return m_eeprom[offset];
+}
+
+
+WRITE32_MEMBER(vboy_eeprom_device::write_eeprom)
+{
+ COMBINE_DATA(&m_eeprom[offset]);
+}