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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
video/apple2.h - Video handling for 8-bit Apple IIs
*********************************************************************/
#ifndef __A2_VIDEO__
#define __A2_VIDEO__
class a2_video_device :
public device_t
{
public:
// construction/destruction
a2_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t 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;
bool m_an2;
std::unique_ptr<uint16_t[]> m_hires_artifact_map;
std::unique_ptr<uint16_t[]> m_dhires_artifact_map;
uint8_t *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_ultr(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 text_update_jplus(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() override;
virtual void device_start() override;
private:
void plot_text_character(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen, int fg, int bg);
void plot_text_character_ultr(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen, int fg, int bg);
void plot_text_character_orig(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen, int fg, int bg);
void plot_text_character_jplus(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen, int fg, int bg);
};
// device type definition
extern const device_type APPLE2_VIDEO;
#endif
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