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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/***************************************************************************
Psion Organiser II series
****************************************************************************/
#ifndef MAME_INCLUDES_PSION_H
#define MAME_INCLUDES_PSION_H
#pragma once
#include "cpu/m6800/m6801.h"
#include "machine/nvram.h"
#include "machine/psion_pack.h"
#include "machine/timer.h"
#include "video/hd44780.h"
#include "sound/beep.h"
#include "emupal.h"
// ======================> psion_state
class psion_state : public driver_device
{
public:
psion_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_lcdc(*this, "hd44780")
, m_beep(*this, "beeper")
, m_pack1(*this, "pack1")
, m_pack2(*this, "pack2")
, m_nvram1(*this, "nvram1")
, m_nvram2(*this, "nvram2")
, m_nvram3(*this, "nvram3")
, m_sys_register(*this, "sys_register")
, m_stby_pwr(1)
, m_ram(*this, "ram")
, m_kb_lines(*this, "K%u", 1U)
{ }
void psion_2lines(machine_config &config);
void psion_4lines(machine_config &config);
void psionlam(machine_config &config);
void psioncm(machine_config &config);
void psionlz(machine_config &config);
void psionla(machine_config &config);
void psionp350(machine_config &config);
DECLARE_INPUT_CHANGED_MEMBER(psion_on);
protected:
required_device<hd6301x_cpu_device> m_maincpu;
required_device<hd44780_device> m_lcdc;
required_device<beep_device> m_beep;
required_device<datapack_device> m_pack1;
required_device<datapack_device> m_pack2;
required_device<nvram_device> m_nvram1;
required_device<nvram_device> m_nvram2;
optional_device<nvram_device> m_nvram3;
uint16_t m_kb_counter = 0;
uint8_t m_enable_nmi = 0;
optional_shared_ptr<uint8_t> m_sys_register;
uint8_t m_stby_pwr;
uint8_t m_pulse = 0;
// RAM/ROM banks
required_shared_ptr<uint8_t> m_ram;
std::unique_ptr<uint8_t[]> m_paged_ram;
uint8_t m_rom_bank = 0;
uint8_t m_ram_bank = 0;
uint8_t m_ram_bank_count = 0;
uint8_t m_rom_bank_count = 0;
required_ioport_array<7> m_kb_lines;
virtual void machine_start() override;
virtual void machine_reset() override;
void nvram_init(nvram_device &nvram, void *data, size_t size);
uint8_t kb_read();
void update_banks();
void port2_w(offs_t offset, uint8_t data, uint8_t ddr);
uint8_t port2_r();
uint8_t port5_r();
void port6_w(uint8_t data);
uint8_t port6_r();
void io_rw(uint16_t offset);
void io_w(offs_t offset, uint8_t data);
uint8_t io_r(offs_t offset);
void psion_palette(palette_device &palette) const;
TIMER_DEVICE_CALLBACK_MEMBER(nmi_timer);
HD44780_PIXEL_UPDATE(lz_pixel_update);
void psion_int_reg(address_map &map);
void psioncm_mem(address_map &map);
void psionla_mem(address_map &map);
void psionlam_mem(address_map &map);
void psionlz_mem(address_map &map);
void psionp350_mem(address_map &map);
};
class psion1_state : public psion_state
{
public:
psion1_state(const machine_config &mconfig, device_type type, const char *tag)
: psion_state(mconfig, type, tag)
{ }
void psion1(machine_config &config);
private:
virtual void machine_reset() override;
uint8_t reset_kb_counter_r();
uint8_t inc_kb_counter_r();
uint8_t switchoff_r();
HD44780_PIXEL_UPDATE(psion1_pixel_update);
void psion1_mem(address_map &map);
};
#endif // MAME_INCLUDES_PSION_H
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