// license:BSD-3-Clause
// copyright-holders:Curt Coder
#ifndef MAME_INCLUDES_XEROX820_H
#define MAME_INCLUDES_XEROX820_H
#pragma once
#include "bus/scsi/sa1403d.h"
#include "bus/rs232/rs232.h"
#include "cpu/z80/z80.h"
#include "machine/z80daisy.h"
#include "cpu/i86/i86.h"
#include "machine/com8116.h"
#include "machine/ram.h"
#include "bus/scsi/scsi.h"
#include "bus/scsi/scsihd.h"
#include "machine/timer.h"
#include "machine/wd_fdc.h"
#include "machine/x820kb.h"
#include "machine/z80pio.h"
#include "machine/z80ctc.h"
#include "machine/z80dart.h"
#include "sound/spkrdev.h"
#include "sound/beep.h"
#include "imagedev/snapquik.h"
#define SCREEN_TAG "screen"
#define Z80_TAG "u46"
#define Z80PIO_KB_TAG "u105"
#define Z80PIO_GP_TAG "u101"
#define Z80PIO_RD_TAG "u8"
#define Z80SIO_TAG "u96"
#define Z80CTC_TAG "u99"
#define FD1771_TAG "u109"
#define FD1797_TAG "u109"
#define COM8116_TAG "u76"
#define I8086_TAG "i8086"
#define SASIBUS_TAG "sasi"
#define RS232_A_TAG "rs232a"
#define RS232_B_TAG "rs232b"
#define KEYBOARD_TAG "kb"
#define XEROX820_VIDEORAM_SIZE 0x1000
#define XEROX820_VIDEORAM_MASK 0x0fff
class xerox820_state : public driver_device
{
public:
xerox820_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_kbpio(*this, Z80PIO_KB_TAG),
m_ctc(*this, Z80CTC_TAG),
m_sio(*this, Z80SIO_TAG),
m_fdc(*this, FD1771_TAG),
m_ram(*this, RAM_TAG),
m_palette(*this, "palette"),
m_floppy0(*this, FD1771_TAG":0"),
m_floppy1(*this, FD1771_TAG":1"),
m_kb(*this, KEYBOARD_TAG),
m_rom(*this, Z80_TAG),
m_char_rom(*this, "chargen"),
m_video_ram(*this, "video_ram"),
m_fdc_irq(0),
m_fdc_drq(0),
m_8n5(0),
m_400_460(0)
{ }
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER( fdc_r );
DECLARE_WRITE8_MEMBER( fdc_w );
DECLARE_WRITE8_MEMBER( scroll_w );
//DECLARE_WRITE8_MEMBER( x120_system_w );
DECLARE_READ8_MEMBER( kbpio_pa_r );
DECLARE_WRITE8_MEMBER( kbpio_pa_w );
DECLARE_READ8_MEMBER( kbpio_pb_r );
DECLARE_WRITE_LINE_MEMBER( fr_w );
DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
DECLARE_QUICKLOAD_LOAD_MEMBER(xerox820);
TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
void mk83(machine_config &config);
void xerox820(machine_config &config);
void mk83_mem(address_map &map);
void xerox820_io(address_map &map);
void xerox820_mem(address_map &map);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_device<z80pio_device> m_kbpio;
required_device<z80ctc_device> m_ctc;
required_device<z80sio0_device> m_sio;
required_device<wd_fdc_device_base> m_fdc;
required_device<ram_device> m_ram;
required_device<palette_device> m_palette;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<xerox_820_keyboard_device> m_kb;
required_memory_region m_rom;
required_memory_region m_char_rom;
required_shared_ptr<uint8_t> m_video_ram;
virtual void bankswitch(int bank);
void update_nmi();
/* video state */
uint8_t m_scroll; /* vertical scroll */
uint8_t m_framecnt;
int m_ncset2; /* national character set */
int m_vatt; /* X120 video attribute */
int m_lowlite; /* low light attribute */
int m_chrom; /* character ROM index */
/* floppy state */
bool m_fdc_irq; /* interrupt request */
bool m_fdc_drq; /* data request */
int m_8n5; /* 5.25" / 8" drive select */
int m_400_460; /* double sided disk detect */
};
class bigboard_state : public xerox820_state
{
public:
bigboard_state(const machine_config &mconfig, device_type type, const char *tag)
: xerox820_state(mconfig, type, tag)
, m_beeper(*this, "beeper")
{ }
DECLARE_WRITE8_MEMBER( kbpio_pa_w );
void bigboard(machine_config &config);
protected:
virtual void machine_reset() override;
TIMER_CALLBACK_MEMBER(bigboard_beepoff);
required_device<beep_device> m_beeper;
bool m_bit5;
};
class xerox820ii_state : public xerox820_state
{
public:
xerox820ii_state(const machine_config &mconfig, device_type type, const char *tag) :
xerox820_state(mconfig, type, tag),
m_speaker(*this, "speaker"),
m_sasibus(*this, SASIBUS_TAG)
{
}
DECLARE_WRITE8_MEMBER( bell_w );
DECLARE_WRITE8_MEMBER( slden_w );
DECLARE_WRITE8_MEMBER( chrom_w );
DECLARE_WRITE8_MEMBER( lowlite_w );
DECLARE_WRITE8_MEMBER( sync_w );
DECLARE_WRITE8_MEMBER( rdpio_pb_w );
DECLARE_WRITE_LINE_MEMBER( rdpio_pardy_w );
void xerox168(machine_config &config);
void xerox820ii(machine_config &config);
void xerox168_mem(address_map &map);
void xerox820ii_io(address_map &map);
void xerox820ii_mem(address_map &map);
protected:
virtual void machine_reset() override;
void bankswitch(int bank) override;
required_device<speaker_sound_device> m_speaker;
required_device<scsi_port_device> m_sasibus;
};
#endif // MAME_INCLUDES_XEROX820_H