// license:BSD-3-Clause // copyright-holders:Sandro Ronco /*************************************************************************** VTech Laser PC4 ****************************************************************************/ #ifndef MAME_INCLUDES_PC4_H #define MAME_INCLUDES_PC4_H #pragma once #include "sound/beep.h" #include "emupal.h" class pc4_state : public driver_device { public: pc4_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_beep(*this, "beeper"), m_region_charset(*this, "charset"), m_rombank(*this, "rombank") { } void pc4(machine_config &config); protected: virtual void machine_start() override; TIMER_CALLBACK_MEMBER(clear_busy_flag); TIMER_CALLBACK_MEMBER(blink_tick); private: uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void beep_w(uint8_t data); void bank_w(uint8_t data); uint8_t kb_r(offs_t offset); //LCD controller void update_ac(); void set_busy_flag(uint16_t usec); void lcd_control_w(uint8_t data); uint8_t lcd_control_r(); void lcd_data_w(uint8_t data); uint8_t lcd_data_r(); void lcd_offset_w(uint8_t data); void pc4_palette(palette_device &palette) const; void pc4_io(address_map &map); void pc4_mem(address_map &map); emu_timer *m_blink_timer = nullptr; emu_timer *m_busy_timer = nullptr; uint8_t m_busy_flag = 0; uint8_t m_ddram[0xa0]{}; uint8_t m_cgram[0x40]{}; int16_t m_ac = 0; uint8_t m_ac_mode = 0; uint8_t m_data_bus_flag = 0; int16_t m_cursor_pos = 0; uint8_t m_display_on = 0; uint8_t m_cursor_on = 0; uint8_t m_blink_on = 0; uint8_t m_shift_on = 0; int8_t m_disp_shift = 0; int8_t m_direction = 0; uint8_t m_blink = 0; required_device m_maincpu; required_device m_beep; required_memory_region m_region_charset; required_memory_bank m_rombank; ioport_port *io_port[8]; }; #endif // MAME_INCLUDES_PC4_H