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/*****************************************************************************
*
* includes/b2m.h
*
****************************************************************************/
#ifndef B2M_H_
#define B2M_H_
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/pic8259.h"
#include "machine/wd_fdc.h"
#include "sound/speaker.h"
#include "sound/wave.h"
class b2m_state : public driver_device
{
public:
b2m_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_speaker(*this, "speaker") { }
UINT8 m_b2m_8255_porta;
UINT8 m_b2m_video_scroll;
UINT8 m_b2m_8255_portc;
UINT8 m_b2m_video_page;
UINT8 m_b2m_drive;
UINT8 m_b2m_side;
UINT8 m_b2m_romdisk_lsb;
UINT8 m_b2m_romdisk_msb;
UINT8 m_b2m_color[4];
UINT8 m_b2m_localmachine;
UINT8 m_vblank_state;
required_device<cpu_device> m_maincpu;
/* devices */
fd1793_t *m_fdc;
device_t *m_pic;
required_device<speaker_sound_device> m_speaker;
DECLARE_READ8_MEMBER(b2m_keyboard_r);
DECLARE_WRITE8_MEMBER(b2m_palette_w);
DECLARE_READ8_MEMBER(b2m_palette_r);
DECLARE_WRITE8_MEMBER(b2m_localmachine_w);
DECLARE_READ8_MEMBER(b2m_localmachine_r);
DECLARE_DRIVER_INIT(b2m);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_b2m(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(b2m_vblank_interrupt);
DECLARE_WRITE_LINE_MEMBER(bm2_pit_out1);
DECLARE_WRITE8_MEMBER(b2m_8255_porta_w);
DECLARE_WRITE8_MEMBER(b2m_8255_portb_w);
DECLARE_WRITE8_MEMBER(b2m_8255_portc_w);
DECLARE_READ8_MEMBER(b2m_8255_portb_r);
DECLARE_WRITE8_MEMBER(b2m_ext_8255_portc_w);
DECLARE_READ8_MEMBER(b2m_romdisk_porta_r);
DECLARE_WRITE8_MEMBER(b2m_romdisk_portb_w);
DECLARE_WRITE8_MEMBER(b2m_romdisk_portc_w);
DECLARE_WRITE_LINE_MEMBER(b2m_pic_set_int_line);
void b2m_fdc_drq(bool state);
DECLARE_FLOPPY_FORMATS( b2m_floppy_formats );
IRQ_CALLBACK_MEMBER(b2m_irq_callback);
void b2m_postload();
};
/*----------- defined in machine/b2m.c -----------*/
extern const struct pit8253_config b2m_pit8253_intf;
extern const struct pic8259_interface b2m_pic8259_config;
extern const i8255_interface b2m_ppi8255_interface_1;
extern const i8255_interface b2m_ppi8255_interface_2;
extern const i8255_interface b2m_ppi8255_interface_3;
#endif
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