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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/***************************************************************************
HP 1LL3-0005 GPU emulation.
***************************************************************************/
#ifndef MAME_VIDEO_HP1LL3_H
#define MAME_VIDEO_HP1LL3_H
#pragma once
///*************************************************************************
// TYPE DEFINITIONS
///*************************************************************************
// ======================> hp1ll3_device
class hp1ll3_device : public device_t, public device_video_interface
{
public:
// construction/destruction
hp1ll3_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// Configuration
// Set VRAM size (in kw). Parameter must be <= 128 and it must be a power of 2.
void set_vram_size(unsigned kw) { m_vram_size = kw * 1024; }
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
struct Point
{
uint16_t x, y;
};
struct Rectangle
{
Point origin;
Point size;
};
void command(int command);
uint16_t get_pix_addr(uint16_t x, uint16_t y) const;
inline void point(int x, int y, bool pix, const uint16_t masks[]);
void get_font(uint16_t& font_data, uint16_t& font_height) const;
void label(uint8_t chr, int width);
void line(int x_from, int y_from, int x_to, int y_to);
void wr_video(uint16_t addr, uint16_t v);
uint16_t rd_video(uint16_t addr) const;
static void get_rop_masks(uint16_t rop, uint16_t masks[]);
static uint16_t apply_rop(uint16_t old_pix, uint16_t new_pix, uint16_t glob_mask, const uint16_t masks[]);
void rmw_rop(uint16_t addr, uint16_t new_pix, uint16_t glob_mask, const uint16_t masks[]);
void clip_coord(int size_1, int &p1, int origin_clip, int size_clip, int &origin_2, int &size_2) const;
bool bitblt(uint16_t src_base_addr, unsigned src_width, unsigned src_height, Point src_p,
const Rectangle &clip_rect, const Rectangle &dst_rect, uint16_t rop, bool use_m_org = true);
void rowbltpos(unsigned p1_pix, unsigned p2_pix, int width, const uint16_t masks[]);
void rowbltneg(unsigned p1_pix, unsigned p2_pix, int width, const uint16_t masks[]);
void fill(const Rectangle &fill_rect, uint16_t pattern_no);
uint16_t get_pattern_addr(uint16_t pattern_no) const;
void draw_cursor();
void draw_sprite();
void draw_cursor_sprite();
void set_pen_pos(Point p);
void set_sprite_pos(Point p);
void disable_cursor();
void disable_sprite();
Rectangle get_window() const;
Rectangle get_screen() const;
void get_hv_timing(bool vertical, unsigned& total, unsigned& active) const;
void apply_conf();
uint16_t m_conf[11], m_input[2], m_io_word;
int m_rd_ptr, m_wr_ptr, m_memory_ptr;
int m_command, m_horiz_pix_total, m_vert_pix_total;
uint16_t m_sad;
uint16_t m_org;
uint16_t m_dad;
uint16_t m_rr;
uint16_t m_fad;
uint16_t m_udl;
bool m_enable_video, m_enable_cursor, m_enable_sprite;
uint16_t m_cursor_x, m_cursor_y, m_saved_x;
uint16_t m_cursor_pattern;
uint16_t m_cursor_offset;
uint16_t m_sprite_x, m_sprite_y;
uint16_t m_sprite_pattern;
struct {
uint16_t width, height, org_x, org_y;
} m_window;
std::unique_ptr<uint16_t[]> m_videoram;
unsigned m_vram_size;
uint16_t m_ram_addr_mask;
uint16_t m_rw_win_x, m_rw_win_y;
uint8_t m_rw_win_off;
bool m_busy;
bitmap_ind16 m_bitmap;
};
// device type definition
DECLARE_DEVICE_TYPE(HP1LL3, hp1ll3_device)
#endif // MAME_VIDEO_HP1LL3_H
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