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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/***************************************************************************
Psion Organiser II series
****************************************************************************/
#pragma once
#ifndef MAME_INCLUDES_PSION_H
#define MAME_INCLUDES_PSION_H
#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"){ }
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<hd63701_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;
uint8_t m_enable_nmi;
optional_shared_ptr<uint8_t> m_sys_register;
uint8_t m_tcsr_value;
uint8_t m_stby_pwr;
uint8_t m_pulse;
uint8_t m_port2_ddr; // datapack i/o ddr
uint8_t m_port2; // datapack i/o data bus
uint8_t m_port6_ddr; // datapack control lines ddr
uint8_t m_port6; // datapack control lines
// RAM/ROM banks
required_shared_ptr<uint8_t> m_ram;
std::unique_ptr<uint8_t[]> m_paged_ram;
uint8_t m_rom_bank;
uint8_t m_ram_bank;
uint8_t m_ram_bank_count;
uint8_t m_rom_bank_count;
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();
DECLARE_WRITE8_MEMBER( hd63701_int_reg_w );
DECLARE_READ8_MEMBER( hd63701_int_reg_r );
void io_rw(address_space &space, uint16_t offset);
DECLARE_WRITE8_MEMBER( io_w );
DECLARE_READ8_MEMBER( io_r );
DECLARE_PALETTE_INIT(psion);
TIMER_DEVICE_CALLBACK_MEMBER(nmi_timer);
HD44780_PIXEL_UPDATE(lz_pixel_update);
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;
DECLARE_READ8_MEMBER( reset_kb_counter_r );
DECLARE_READ8_MEMBER( inc_kb_counter_r );
DECLARE_READ8_MEMBER( switchoff_r );
HD44780_PIXEL_UPDATE(psion1_pixel_update);
void psion1_mem(address_map &map);
};
#endif // MAME_INCLUDES_PSION_H
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