// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
video/apple2.h - Video handling for 8-bit Apple IIs
*********************************************************************/
#ifndef __A2_VIDEO__
#define __A2_VIDEO__
#include "emu.h"
class a2_video_device :
public device_t
{
public:
// construction/destruction
a2_video_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_PALETTE_INIT(apple2);
bool m_page2;
bool m_flash;
bool m_mix;
bool m_graphics;
bool m_hires;
bool m_dhires;
bool m_80col;
bool m_altcharset;
UINT16 *m_hires_artifact_map;
UINT16 *m_dhires_artifact_map;
UINT8 *m_ram_ptr, *m_aux_ptr, *m_char_ptr;
int m_char_size;
int m_sysconfig;
void text_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void text_update_orig(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void lores_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void dlores_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void hgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void hgr_update_tk2000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
void dhgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow);
protected:
virtual void device_reset();
virtual void device_start();
private:
void plot_text_character(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, UINT32 code, const UINT8 *textgfx_data, UINT32 textgfx_datalen, int fg, int bg);
void plot_text_character_orig(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, UINT32 code, const UINT8 *textgfx_data, UINT32 textgfx_datalen, int fg, int bg);
};
// device type definition
extern const device_type APPLE2_VIDEO;
#endif