162 lines
3.9 KiB
C++
162 lines
3.9 KiB
C++
#pragma once
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#ifndef __OSI__
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#define __OSI__
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#include "emu.h"
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#include "cpu/m6502/m6502.h"
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#include "formats/basicdsk.h"
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#include "imagedev/cassette.h"
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#include "imagedev/flopdrv.h"
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#include "machine/6850acia.h"
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#include "machine/6821pia.h"
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#include "machine/ram.h"
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#include "sound/discrete.h"
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#include "sound/beep.h"
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#define SCREEN_TAG "screen"
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#define M6502_TAG "m6502"
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#define DISCRETE_TAG "discrete"
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#define X1 3932160
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#define UK101_X1 XTAL_8MHz
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#define OSI600_VIDEORAM_SIZE 0x400
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#define OSI630_COLORRAM_SIZE 0x400
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class sb2m600_state : public driver_device
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{
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public:
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sb2m600_state(const machine_config &mconfig, device_type type, const char *tag) :
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driver_device(mconfig, type, tag),
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m_maincpu(*this, M6502_TAG),
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m_acia_0(*this, "acia_0"),
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m_cassette(*this, "cassette"),
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m_discrete(*this, DISCRETE_TAG),
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m_ram(*this, RAM_TAG),
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m_video_ram(*this, "video_ram"),
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m_color_ram(*this, "color_ram"),
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m_io_row0(*this, "ROW0"),
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m_io_row1(*this, "ROW1"),
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m_io_row2(*this, "ROW2"),
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m_io_row3(*this, "ROW3"),
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m_io_row4(*this, "ROW4"),
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m_io_row5(*this, "ROW5"),
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m_io_row6(*this, "ROW6"),
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m_io_row7(*this, "ROW7"),
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m_io_sound(*this, "Sound"),
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m_io_reset(*this, "Reset"),
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m_beeper(*this, "beeper")
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{
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}
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UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_READ8_MEMBER( keyboard_r );
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DECLARE_WRITE8_MEMBER( keyboard_w );
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DECLARE_WRITE8_MEMBER( ctrl_w );
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DECLARE_WRITE_LINE_MEMBER( cassette_tx );
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DECLARE_WRITE_LINE_MEMBER( write_cassette_clock );
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DECLARE_WRITE_LINE_MEMBER(osi470_index_callback);
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DECLARE_PALETTE_INIT(osi630);
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protected:
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
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virtual void machine_start();
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virtual void video_start();
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enum
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{
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TIMER_SETUP_BEEP
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};
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required_device<cpu_device> m_maincpu;
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required_device<acia6850_device> m_acia_0;
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required_device<cassette_image_device> m_cassette;
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optional_device<discrete_sound_device> m_discrete;
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required_device<ram_device> m_ram;
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required_shared_ptr<UINT8> m_video_ram;
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optional_shared_ptr<UINT8> m_color_ram;
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required_ioport m_io_row0;
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required_ioport m_io_row1;
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required_ioport m_io_row2;
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required_ioport m_io_row3;
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required_ioport m_io_row4;
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required_ioport m_io_row5;
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required_ioport m_io_row6;
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required_ioport m_io_row7;
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required_ioport m_io_sound;
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required_ioport m_io_reset;
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optional_device<beep_device> m_beeper;
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/* floppy state */
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int m_fdc_index;
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/* keyboard state */
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UINT8 m_keylatch;
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/* video state */
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int m_32;
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int m_coloren;
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UINT8 *m_p_chargen;
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};
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class c1p_state : public sb2m600_state
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{
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public:
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c1p_state(const machine_config &mconfig, device_type type, const char *tag) :
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sb2m600_state(mconfig, type, tag),
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m_beep(*this, "beeper")
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{
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}
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required_device<beep_device> m_beep;
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virtual void machine_start();
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DECLARE_WRITE8_MEMBER( osi630_ctrl_w );
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DECLARE_WRITE8_MEMBER( osi630_sound_w );
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DECLARE_DRIVER_INIT(c1p);
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};
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class c1pmf_state : public c1p_state
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{
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public:
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c1pmf_state(const machine_config &mconfig, device_type type, const char *tag)
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: c1p_state(mconfig, type, tag),
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m_floppy(*this, FLOPPY_0)
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{ }
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required_device<legacy_floppy_image_device> m_floppy;
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virtual void machine_start();
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DECLARE_READ8_MEMBER( osi470_pia_pa_r );
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DECLARE_WRITE8_MEMBER( osi470_pia_pa_w );
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DECLARE_WRITE8_MEMBER( osi470_pia_pb_w );
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DECLARE_WRITE_LINE_MEMBER( osi470_pia_cb2_w );
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};
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class uk101_state : public sb2m600_state
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{
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public:
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uk101_state(const machine_config &mconfig, device_type type, const char *tag) :
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sb2m600_state(mconfig, type, tag)
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{
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}
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UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_WRITE8_MEMBER( keyboard_w );
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};
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/* ---------- defined in video/osi.c ---------- */
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MACHINE_CONFIG_EXTERN( osi600_video );
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MACHINE_CONFIG_EXTERN( uk101_video );
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MACHINE_CONFIG_EXTERN( osi630_video );
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#endif
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