// license:BSD-3-Clause // copyright-holders:Sandro Ronco /*************************************************************************** VTech Laser PC4 ****************************************************************************/ #pragma once #ifndef _PC4_H_ #define _PC4_H_ #include "sound/beep.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") { } required_device m_maincpu; required_device m_beep; UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); virtual void machine_start() override; DECLARE_WRITE8_MEMBER( beep_w ); DECLARE_WRITE8_MEMBER( bank_w ); DECLARE_READ8_MEMBER( kb_r ); //LCD controller void update_ac(void); void set_busy_flag(UINT16 usec); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; DECLARE_WRITE8_MEMBER(lcd_control_w); DECLARE_READ8_MEMBER(lcd_control_r); DECLARE_WRITE8_MEMBER(lcd_data_w); DECLARE_READ8_MEMBER(lcd_data_r); DECLARE_WRITE8_MEMBER( lcd_offset_w ); static const device_timer_id BUSY_TIMER = 0; static const device_timer_id BLINKING_TIMER = 1; emu_timer *m_blink_timer; emu_timer *m_busy_timer; UINT8 m_busy_flag; UINT8 m_ddram[0xa0]; UINT8 m_cgram[0x40]; INT16 m_ac; UINT8 m_ac_mode; UINT8 m_data_bus_flag; INT16 m_cursor_pos; UINT8 m_display_on; UINT8 m_cursor_on; UINT8 m_blink_on; UINT8 m_shift_on; INT8 m_disp_shift; INT8 m_direction; UINT8 m_blink; DECLARE_PALETTE_INIT(pc4); protected: required_memory_region m_region_charset; required_memory_bank m_rombank; ioport_port *io_port[8]; }; #endif // _PC4_H_