// license:BSD-3-Clause
// copyright-holders:Curt Coder
#ifndef __MC1000__
#define __MC1000__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "imagedev/cassette.h"
#include "video/mc6845.h"
#include "video/mc6847.h"
#include "sound/ay8910.h"
#include "bus/centronics/ctronics.h"
#include "machine/rescap.h"
#include "machine/ram.h"
#define SCREEN_TAG "screen"
#define Z80_TAG "u13"
#define AY8910_TAG "u21"
#define MC6845_TAG "mc6845"
#define MC6847_TAG "u19"
#define CENTRONICS_TAG "centronics"
#define MC1000_MC6845_VIDEORAM_SIZE 0x800
#define MC1000_MC6847_VIDEORAM_SIZE 0x1800
class mc1000_state : public driver_device
{
public:
mc1000_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_vdg(*this, MC6847_TAG),
m_crtc(*this, MC6845_TAG),
m_centronics(*this, CENTRONICS_TAG),
m_cassette(*this, "cassette"),
m_ram(*this, RAM_TAG),
m_rom(*this, Z80_TAG),
m_mc6845_video_ram(*this, "mc6845_vram"),
m_mc6847_video_ram(*this, "mc6847_vram"),
m_y0(*this, "Y0"),
m_y1(*this, "Y1"),
m_y2(*this, "Y2"),
m_y3(*this, "Y3"),
m_y4(*this, "Y4"),
m_y5(*this, "Y5"),
m_y6(*this, "Y6"),
m_y7(*this, "Y7"),
m_joya(*this, "JOYA"),
m_joyb(*this, "JOYB"),
m_modifiers(*this, "MODIFIERS"),
m_joyakeymap(*this, "JOYAKEYMAP"),
m_joybkeymap(*this, "JOYBKEYMAP")
{ }
required_device<cpu_device> m_maincpu;
required_device<mc6847_base_device> m_vdg;
optional_device<mc6845_device> m_crtc;
required_device<centronics_device> m_centronics;
required_device<cassette_image_device> m_cassette;
required_device<ram_device> m_ram;
required_memory_region m_rom;
required_shared_ptr<UINT8> m_mc6845_video_ram;
required_shared_ptr<UINT8> m_mc6847_video_ram;
required_ioport m_y0;
required_ioport m_y1;
required_ioport m_y2;
required_ioport m_y3;
required_ioport m_y4;
required_ioport m_y5;
required_ioport m_y6;
required_ioport m_y7;
required_ioport m_joya;
required_ioport m_joyb;
required_ioport m_modifiers;
required_ioport m_joyakeymap;
required_ioport m_joybkeymap;
virtual void machine_start() override;
virtual void machine_reset() override;
DECLARE_READ8_MEMBER( printer_r );
DECLARE_WRITE8_MEMBER( printer_w );
DECLARE_WRITE8_MEMBER( mc6845_ctrl_w );
DECLARE_WRITE8_MEMBER( mc6847_attr_w );
DECLARE_WRITE_LINE_MEMBER( fs_w );
DECLARE_WRITE_LINE_MEMBER( hs_w );
DECLARE_READ8_MEMBER( videoram_r );
DECLARE_WRITE8_MEMBER( keylatch_w );
DECLARE_READ8_MEMBER( keydata_r );
DIRECT_UPDATE_MEMBER(mc1000_direct_update_handler);
void bankswitch();
/* cpu state */
int m_ne555_int;
/* memory state */
int m_rom0000;
int m_mc6845_bank;
int m_mc6847_bank;
/* keyboard state */
int m_keylatch;
/* video state */
int m_hsync;
int m_vsync;
UINT8 m_mc6847_attr;
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
int m_centronics_busy;
DECLARE_DRIVER_INIT(mc1000);
TIMER_DEVICE_CALLBACK_MEMBER(ne555_tick);
};
#endif