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#pragma once
#ifndef __PHC25__
#define __PHC25__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "imagedev/cassette.h"
#include "machine/ram.h"
#include "machine/ctronics.h"
#include "video/mc6847.h"
#include "sound/ay8910.h"
#define SCREEN_TAG "screen"
#define Z80_TAG "z80"
#define AY8910_TAG "ay8910"
#define MC6847_TAG "mc6847"
#define CENTRONICS_TAG "centronics"
#define PHC25_VIDEORAM_SIZE 0x1800
class phc25_state : public driver_device
{
public:
phc25_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_centronics(*this, CENTRONICS_TAG),
m_cassette(*this, CASSETTE_TAG),
m_video_ram(*this, "video_ram")
{ }
required_device<cpu_device> m_maincpu;
required_device<mc6847_base_device> m_vdg;
required_device<centronics_device> m_centronics;
required_device<cassette_image_device> m_cassette;
virtual void video_start();
DECLARE_READ8_MEMBER( port40_r );
DECLARE_WRITE8_MEMBER( port40_w );
DECLARE_READ8_MEMBER( video_ram_r );
static UINT8 ntsc_char_rom_r(running_machine &machine, UINT8 ch, int line);
static UINT8 pal_char_rom_r(running_machine &machine, UINT8 ch, int line);
/* video state */
required_shared_ptr<UINT8> m_video_ram;
UINT8 *m_char_rom;
};
#endif
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