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// license:BSD-3-Clause
// copyright-holders:Jean-Francois DEL NERO
/*********************************************************************
ef9364.h
Thomson EF9364 video controller
*********************************************************************/
#ifndef MAME_VIDEO_EF9364_H
#define MAME_VIDEO_EF9364_H
#pragma once
#include "emupal.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> ef9364_device
class ef9364_device : public device_t,
public device_memory_interface,
public device_video_interface
{
public:
static constexpr unsigned NB_OF_COLUMNS = 64;
static constexpr unsigned NB_OF_ROWS = 16;
static constexpr unsigned TXTPLANE_MAX_SIZE = NB_OF_COLUMNS * NB_OF_ROWS;
static constexpr unsigned MAX_TXTPLANES = 2;
// construction/destruction
ef9364_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration
template <typename T> void set_palette_tag(T &&tag) { m_palette.set_tag(std::forward<T>(tag)); }
void set_nb_of_pages(int nb_bitplanes) {
if (nb_bitplanes > 0 && nb_bitplanes <= 8)
{
nb_of_pages = nb_bitplanes;
}
}
void set_erase(uint8_t data) { erase_char = data; }
// device interface
void update_scanline(uint16_t scanline);
void set_color_entry( int index, uint8_t r, uint8_t g, uint8_t b );
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void char_latch_w(uint8_t data);
void command_w(uint8_t cmd);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_config_memory_interface overrides
virtual space_config_vector memory_space_config() const override;
// address space configurations
const address_space_config m_space_config;
// inline helper
private:
void set_video_mode(void);
void draw_border(uint16_t line);
void ef9364(address_map &map);
// internal state
required_region_ptr<uint8_t> m_charset;
address_space *m_textram;
uint8_t x_curs_pos;
uint8_t y_curs_pos;
uint8_t char_latch;
uint8_t erase_char;
uint8_t m_border[80]; //border color
rgb_t palette[2];
int nb_of_pages;
int bitplane_xres;
int bitplane_yres;
int vsync_scanline_pos;
int cursor_cnt;
int cursor_state;
uint32_t clock_freq;
bitmap_rgb32 m_screen_out;
required_device<palette_device> m_palette;
};
// device type definition
DECLARE_DEVICE_TYPE(EF9364, ef9364_device)
#endif // MAME_VIDEO_EF9364_H
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