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// license:BSD-3-Clause
// copyright-holders:tim lindner
/***************************************************************************
ram.cpp
Code for emulating the Radio Shack 16K RAM Cartridge
***************************************************************************/
#include "emu.h"
#include "ram.h"
// #include "machine/ram.h"
// #define VERBOSE (LOG_GENERAL )
#include "logmacro.h"
//**************************************************************************
// TYPE DECLARATIONS
//**************************************************************************
namespace
{
// ======================> mc10_pak_device
class mc10_pak_ram_device :
public device_t,
public device_mc10cart_interface
{
public:
// construction/destruction
mc10_pak_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// device-level overrides
virtual void device_start() override;
private:
memory_share_creator<u8> m_share;
};
};
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE_PRIVATE(MC10_PAK_RAM, device_mc10cart_interface, mc10_pak_ram_device, "mc10pakram", "Radio Shack 16K RAM Cartridge")
//-------------------------------------------------
// mc10_pak_device - constructor
//-------------------------------------------------
mc10_pak_ram_device::mc10_pak_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, MC10_PAK_RAM, tag, owner, clock)
, device_mc10cart_interface(mconfig, *this)
, m_share(*this, "ext_ram", 1024*16, ENDIANNESS_BIG)
{
}
//**************************************************************************
// MACHINE FRAGMENTS AND ADDRESS MAPS
//**************************************************************************
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void mc10_pak_ram_device::device_start()
{
owning_slot().memspace().install_ram(0x5000, 0x8fff, &m_share[0]);
}
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