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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
ColecoVision standard cartridge emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "std.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type COLECOVISION_STANDARD = &device_creator<colecovision_standard_cartridge_device>;
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// colecovision_standard_cartridge_device - constructor
//-------------------------------------------------
colecovision_standard_cartridge_device::colecovision_standard_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, COLECOVISION_STANDARD, "ColecoVision standard cartridge", tag, owner, clock, "colecovision_standard", __FILE__),
device_colecovision_cartridge_interface(mconfig, *this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void colecovision_standard_cartridge_device::device_start()
{
}
//-------------------------------------------------
// read - cartridge data read
//-------------------------------------------------
UINT8 colecovision_standard_cartridge_device::bd_r(address_space &space, offs_t offset, UINT8 data, int _8000, int _a000, int _c000, int _e000)
{
if (!_8000 || !_a000 || !_c000 || !_e000)
{
if (offset < m_rom_size)
data = m_rom[offset];
else
data = 0xff;
}
return data;
}
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