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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Atari Portfolio HPC-104 Memory Expander Plus emulation
**********************************************************************/
#pragma once
#ifndef __HPC104__
#define __HPC104__
#include "emu.h"
#include "exp.h"
#include "bus/pofo/ccm.h"
#include "machine/nvram.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> hpc104_t
class hpc104_t : public device_t,
public device_portfolio_expansion_slot_interface,
public device_nvram_interface
{
public:
// construction/destruction
hpc104_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source);
hpc104_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_nvram_interface overrides
virtual void nvram_default() override { }
virtual void nvram_read(emu_file &file) override { if (m_nvram != nullptr) { file.read(m_nvram, m_nvram.bytes()); } }
virtual void nvram_write(emu_file &file) override { if (m_nvram != nullptr) { file.write(m_nvram, m_nvram.bytes()); } }
// device_portfolio_expansion_slot_interface overrides
virtual bool nmd1() override { return m_ccm->cdet_r(); }
virtual uint8_t nrdi_r(address_space &space, offs_t offset, uint8_t data, bool iom, bool bcom, bool ncc1) override;
virtual void nwri_w(address_space &space, offs_t offset, uint8_t data, bool iom, bool bcom, bool ncc1) override;
private:
required_device<portfolio_memory_card_slot_t> m_ccm;
required_device<portfolio_expansion_slot_t> m_exp;
optional_shared_ptr<uint8_t> m_nvram;
required_ioport m_io_sw1;
bool m_sw1;
bool m_ncc1_out;
};
// ======================> hpc104_2_t
class hpc104_2_t : public hpc104_t
{
public:
// construction/destruction
hpc104_2_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
};
// device type definition
extern const device_type HPC104;
extern const device_type HPC104_2;
#endif
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