// license:BSD-3-Clause
// copyright-holders:Curt Coder, Robbbert, Wilbert Pol
#pragma once
#ifndef __OSI__
#define __OSI__
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "formats/basicdsk.h"
#include "imagedev/cassette.h"
#include "imagedev/floppy.h"
#include "machine/6850acia.h"
#include "machine/6821pia.h"
#include "machine/ram.h"
#include "sound/discrete.h"
#include "sound/beep.h"
#define SCREEN_TAG "screen"
#define M6502_TAG "m6502"
#define DISCRETE_TAG "discrete"
#define X1 3932160
#define UK101_X1 XTAL_8MHz
#define OSI600_VIDEORAM_SIZE 0x400
#define OSI630_COLORRAM_SIZE 0x400
class sb2m600_state : public driver_device
{
public:
sb2m600_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, M6502_TAG),
m_acia_0(*this, "acia_0"),
m_cassette(*this, "cassette"),
m_discrete(*this, DISCRETE_TAG),
m_ram(*this, RAM_TAG),
m_video_ram(*this, "video_ram"),
m_color_ram(*this, "color_ram"),
m_io_row0(*this, "ROW0"),
m_io_row1(*this, "ROW1"),
m_io_row2(*this, "ROW2"),
m_io_row3(*this, "ROW3"),
m_io_row4(*this, "ROW4"),
m_io_row5(*this, "ROW5"),
m_io_row6(*this, "ROW6"),
m_io_row7(*this, "ROW7"),
m_io_sound(*this, "Sound"),
m_io_reset(*this, "Reset"),
m_beeper(*this, "beeper")
{
}
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER( keyboard_r );
DECLARE_WRITE8_MEMBER( keyboard_w );
DECLARE_WRITE8_MEMBER( ctrl_w );
DECLARE_WRITE_LINE_MEMBER( cassette_tx );
DECLARE_WRITE_LINE_MEMBER( write_cassette_clock );
void floppy_index_callback(floppy_image_device *floppy, int state);
DECLARE_PALETTE_INIT(osi630);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void machine_start() override;
virtual void video_start() override;
enum
{
TIMER_SETUP_BEEP
};
required_device<cpu_device> m_maincpu;
required_device<acia6850_device> m_acia_0;
required_device<cassette_image_device> m_cassette;
optional_device<discrete_sound_device> m_discrete;
required_device<ram_device> m_ram;
required_shared_ptr<UINT8> m_video_ram;
optional_shared_ptr<UINT8> m_color_ram;
required_ioport m_io_row0;
required_ioport m_io_row1;
required_ioport m_io_row2;
required_ioport m_io_row3;
required_ioport m_io_row4;
required_ioport m_io_row5;
required_ioport m_io_row6;
required_ioport m_io_row7;
required_ioport m_io_sound;
required_ioport m_io_reset;
optional_device<beep_device> m_beeper;
/* floppy state */
int m_fdc_index;
/* keyboard state */
UINT8 m_keylatch;
/* video state */
int m_32;
int m_coloren;
UINT8 *m_p_chargen;
};
class c1p_state : public sb2m600_state
{
public:
c1p_state(const machine_config &mconfig, device_type type, const char *tag) :
sb2m600_state(mconfig, type, tag),
m_beep(*this, "beeper")
{
}
required_device<beep_device> m_beep;
virtual void machine_start() override;
DECLARE_WRITE8_MEMBER( osi630_ctrl_w );
DECLARE_WRITE8_MEMBER( osi630_sound_w );
DECLARE_DRIVER_INIT(c1p);
};
class c1pmf_state : public c1p_state
{
public:
c1pmf_state(const machine_config &mconfig, device_type type, const char *tag) :
c1p_state(mconfig, type, tag),
m_floppy0(*this, "floppy0"),
m_floppy1(*this, "floppy1")
{ }
DECLARE_READ8_MEMBER( osi470_pia_pa_r );
DECLARE_WRITE8_MEMBER( osi470_pia_pa_w );
DECLARE_WRITE8_MEMBER( osi470_pia_pb_w );
DECLARE_WRITE_LINE_MEMBER( osi470_pia_cb2_w );
protected:
virtual void machine_start() override;
private:
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
};
class uk101_state : public sb2m600_state
{
public:
uk101_state(const machine_config &mconfig, device_type type, const char *tag) :
sb2m600_state(mconfig, type, tag)
{
}
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE8_MEMBER( keyboard_w );
};
/* ---------- defined in video/osi.c ---------- */
MACHINE_CONFIG_EXTERN( osi600_video );
MACHINE_CONFIG_EXTERN( uk101_video );
MACHINE_CONFIG_EXTERN( osi630_video );
#endif