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/***************************************************************************
Psion Organiser II series
****************************************************************************/
#pragma once
#ifndef _PSION_H_
#define _PSION_H_
#include "cpu/m6800/m6800.h"
#include "machine/psion_pack.h"
#include "video/hd44780.h"
#include "sound/beep.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_sys_register(*this, "sys_register"),
m_ram(*this, "ram"){ }
required_device<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;
UINT16 m_kb_counter;
UINT8 m_enable_nmi;
optional_shared_ptr<UINT8> m_sys_register;
UINT8 m_tcsr_value;
UINT8 m_stby_pwr;
UINT8 m_pulse;
UINT8 m_port2_ddr; // datapack i/o ddr
UINT8 m_port2; // datapack i/o data bus
UINT8 m_port6_ddr; // datapack control lines ddr
UINT8 m_port6; // datapack control lines
// RAM/ROM banks
required_shared_ptr<UINT8> m_ram;
UINT8 *m_paged_ram;
UINT8 m_rom_bank;
UINT8 m_ram_bank;
UINT8 m_ram_bank_count;
UINT8 m_rom_bank_count;
virtual void machine_start();
virtual void machine_reset();
UINT8 kb_read(running_machine &machine);
void update_banks(running_machine &machine);
DECLARE_WRITE8_MEMBER( hd63701_int_reg_w );
DECLARE_READ8_MEMBER( hd63701_int_reg_r );
void io_rw(address_space &space, UINT16 offset);
DECLARE_WRITE8_MEMBER( io_w );
DECLARE_READ8_MEMBER( io_r );
virtual void palette_init();
DECLARE_INPUT_CHANGED_MEMBER(psion_on);
TIMER_DEVICE_CALLBACK_MEMBER(nmi_timer);
static HD44780_PIXEL_UPDATE(lz_pixel_update);
};
#endif // _PSION_H_
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