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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Atari Portfolio HPC-104 Memory Expander Plus emulation
**********************************************************************/
#ifndef MAME_BUS_POFO_HPC104_H
#define MAME_BUS_POFO_HPC104_H
#pragma once
#include "exp.h"
#include "bus/pofo/ccm.h"
#include "machine/nvram.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pofo_hpc104_device
class pofo_hpc104_device : public device_t,
public device_portfolio_expansion_slot_interface,
public device_nvram_interface
{
public:
// construction/destruction
pofo_hpc104_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
pofo_hpc104_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const 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(offs_t offset, uint8_t data, bool iom, bool bcom, bool ncc1) override;
virtual void nwri_w(offs_t offset, uint8_t data, bool iom, bool bcom, bool ncc1) override;
virtual WRITE_LINE_MEMBER( iint_w ) override { m_exp->iint_w(state); }
private:
required_device<portfolio_memory_card_slot_device> m_ccm;
required_device<portfolio_expansion_slot_device> m_exp;
optional_shared_ptr<uint8_t> m_nvram;
required_ioport m_io_sw1;
bool m_sw1;
bool m_ncc1_out;
};
// ======================> pofo_hpc104_2_device
class pofo_hpc104_2_device : public pofo_hpc104_device
{
public:
// construction/destruction
pofo_hpc104_2_device(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
DECLARE_DEVICE_TYPE(POFO_HPC104, pofo_hpc104_device)
DECLARE_DEVICE_TYPE(POFO_HPC104_2, pofo_hpc104_2_device)
#endif // MAME_BUS_POFO_HPC104_H
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