// 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 void set_palette_tag(T &&tag) { m_palette.set_tag(std::forward(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); uint8_t videoram_r(offs_t offset) { return m_textram->read_byte(offset); } void videoram_w(offs_t offset, uint8_t data) { m_textram->write_byte(offset, data); } 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 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; required_device m_palette; }; // device type definition DECLARE_DEVICE_TYPE(EF9364, ef9364_device) #endif // MAME_VIDEO_EF9364_H