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#pragma once
#ifndef __IQ151_GRAFIK_H__
#define __IQ151_GRAFIK_H__
#include "emu.h"
#include "iq151.h"
#include "machine/i8255.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> iq151_grafik_device
class iq151_grafik_device :
public device_t,
public device_iq151cart_interface
{
public:
// construction/destruction
iq151_grafik_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
// ppi8255 callback
DECLARE_WRITE8_MEMBER(x_write);
DECLARE_WRITE8_MEMBER(y_write);
DECLARE_WRITE8_MEMBER(control_w);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// iq151cart_interface overrides
virtual void io_read(offs_t offset, UINT8 &data);
virtual void io_write(offs_t offset, UINT8 data);
virtual void video_update(bitmap_ind16 &bitmap, const rectangle &cliprect);
private:
required_device<i8255_device> m_ppi8255;
UINT8 * m_videoram;
UINT8 m_posx; // horizontal position
UINT8 m_posy; // vertical position
UINT8 m_all; // 0: bit mode 1: byte mode
UINT8 m_pen;
UINT8 m_fast;
UINT8 m_ev; // enable video out
UINT8 m_ex;
UINT8 m_sel; // enable vram access
};
// device type definition
extern const device_type IQ151_GRAFIK;
#endif /* __IQ151_GRAFIK_H__ */
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