// license:? // copyright-holders:Daniel Coulom,Sandro Ronco /********************************************************************* ef9345.h Thomson EF9345 video controller *********************************************************************/ #pragma once #ifndef __EF9345_H__ #define __EF9345_H__ #define MCFG_EF9345_ADD(_tag, _config) \ MCFG_DEVICE_ADD(_tag, EF9345, 0) \ MCFG_DEVICE_CONFIG(_config) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> ef9345_device class ef9345_device : public device_t, public device_memory_interface, public device_video_interface { public: // construction/destruction ef9345_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device interface DECLARE_READ8_MEMBER( data_r ); DECLARE_WRITE8_MEMBER( data_w ); void update_scanline(UINT16 scanline); UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); // device_config_memory_interface overrides virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const; // address space configurations const address_space_config m_space_config; // inline helper inline UINT16 indexram(UINT8 r); inline UINT16 indexrom(UINT8 r); inline void inc_x(UINT8 r); inline void inc_y(UINT8 r); private: void set_busy_flag(int period); void draw_char_40(UINT8 *c, UINT16 x, UINT16 y); void draw_char_80(UINT8 *c, UINT16 x, UINT16 y); void set_video_mode(void); void init_accented_chars(void); UINT8 read_char(UINT8 index, UINT16 addr); UINT8 get_dial(UINT8 x, UINT8 attrib); void zoom(UINT8 *pix, UINT16 n); UINT16 indexblock(UINT16 x, UINT16 y); void bichrome40(UINT8 type, UINT16 address, UINT8 dial, UINT16 iblock, UINT16 x, UINT16 y, UINT8 c0, UINT8 c1, UINT8 insert, UINT8 flash, UINT8 hided, UINT8 negative, UINT8 underline); void quadrichrome40(UINT8 c, UINT8 b, UINT8 a, UINT16 x, UINT16 y); void bichrome80(UINT8 c, UINT8 a, UINT16 x, UINT16 y); void makechar(UINT16 x, UINT16 y); void draw_border(UINT16 line); void makechar_16x40(UINT16 x, UINT16 y); void makechar_24x40(UINT16 x, UINT16 y); void makechar_12x80(UINT16 x, UINT16 y); void ef9345_exec(UINT8 cmd); // internal state static const device_timer_id BUSY_TIMER = 0; static const device_timer_id BLINKING_TIMER = 1; memory_region *m_charset; address_space *m_videoram; UINT8 m_bf; //busy flag UINT8 m_char_mode; //40 or 80 chars for line UINT8 m_acc_char[0x2000]; //accented chars UINT8 m_registers[8]; //registers R0-R7 UINT8 m_state; //status register UINT8 m_tgs,m_mat,m_pat,m_dor,m_ror; //indirect registers UINT8 m_border[80]; //border color UINT16 m_block; //current memory block UINT16 m_ram_base[4]; //index of ram charset UINT8 m_blink; //cursor status UINT8 m_last_dial[40]; //last chars dial (for determinate the zoom position) UINT8 m_latchc0; //background color latch UINT8 m_latchm; //hided atribute latch UINT8 m_latchi; //insert atribute latch UINT8 m_latchu; //underline atribute latch bitmap_rgb32 m_screen_out; // timers emu_timer *m_busy_timer; emu_timer *m_blink_timer; }; // device type definition extern const device_type EF9345; #endif