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#pragma once
#ifndef __OSI__
#define __OSI__
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "formats/basicdsk.h"
#include "imagedev/cassette.h"
#include "imagedev/flopdrv.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_cassette(*this, CASSETTE_TAG),
m_discrete(*this, DISCRETE_TAG),
m_ram(*this, RAM_TAG),
m_video_ram(*this, "video_ram"),
m_color_ram(*this, "color_ram"){ }
required_device<cpu_device> m_maincpu;
required_device<cassette_image_device> m_cassette;
optional_device<device_t> m_discrete;
required_device<ram_device> m_ram;
virtual void machine_start();
virtual void video_start();
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_READ_LINE_MEMBER( cassette_rx );
DECLARE_WRITE_LINE_MEMBER( cassette_tx );
/* keyboard state */
UINT8 m_keylatch;
/* video state */
int m_32;
int m_coloren;
required_shared_ptr<UINT8> m_video_ram;
optional_shared_ptr<UINT8> m_color_ram;
/* floppy state */
int m_fdc_index;
};
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_TAG)
{ }
required_device<device_t> m_beep;
virtual void machine_start();
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_floppy(*this, FLOPPY_0)
{ }
required_device<device_t> m_floppy;
virtual void machine_start();
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 );
};
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
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