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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***********************************************************************************************************
M5 cart emulation
***********************************************************************************************************/
#include "emu.h"
#include "rom.h"
//-------------------------------------------------
// m5_rom_device - constructor
//-------------------------------------------------
DEFINE_DEVICE_TYPE(M5_ROM_STD, m5_rom_device, "m5_rom", "M5 Standard ROM Carts")
DEFINE_DEVICE_TYPE(M5_ROM_RAM, m5_ram_device, "m5_ram", "M5 Expansion memory cart")
m5_rom_device::m5_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, type, tag, owner, clock)
, device_m5_cart_interface(mconfig, *this)
{
}
m5_rom_device::m5_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: m5_rom_device(mconfig, M5_ROM_STD, tag, owner, clock)
{
}
m5_ram_device::m5_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: m5_rom_device(mconfig, M5_ROM_RAM, tag, owner, clock)
{
}
/*-------------------------------------------------
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;
}
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