// license:BSD-3-Clause // copyright-holders:Tim Schuerewegen /*************************************************************************** Hitachi HD66421 LCD Controller (c) 2001-2007 Tim Schuerewegen ***************************************************************************/ #ifndef MAME_VIDEO_HD66421_H #define MAME_VIDEO_HD66421_H #pragma once ///************************************************************************* // INTERFACE CONFIGURATION MACROS ///************************************************************************* #define MCFG_HD66421_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, HD66421, 0) ///************************************************************************* // TYPE DEFINITIONS ///************************************************************************* // ======================> hd66421_device class hd66421_device : public device_t, public device_memory_interface { public: static constexpr unsigned WIDTH = 160; static constexpr unsigned HEIGHT = 100; // construction/destruction hd66421_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_READ8_MEMBER( reg_idx_r ); DECLARE_WRITE8_MEMBER( reg_idx_w ); DECLARE_READ8_MEMBER( reg_dat_r ); DECLARE_WRITE8_MEMBER( reg_dat_w ); uint32_t update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); protected: // device-level overrides virtual void device_start() override; virtual void device_add_mconfig(machine_config &config) 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 uint8_t readbyte(offs_t address); inline void writebyte(offs_t address, uint8_t data); void plot_pixel(bitmap_ind16 &bitmap, int x, int y, uint32_t color); private: uint8_t m_cmd, m_reg[32]; int m_x, m_y; required_device m_palette; void hd66421(address_map &map); DECLARE_PALETTE_INIT(hd66421); }; // device type definition DECLARE_DEVICE_TYPE(HD66421, hd66421_device) #endif // MAME_VIDEO_HD66421_H