1 // license:BSD-3-Clause 2 // copyright-holders:Miodrag Milanovic 3 /***************************************************************************** 4 * 5 * includes/busicom.h 6 * 7 ****************************************************************************/ 8 9 #ifndef MAME_INCLUDES_BUSICOM_H 10 #define MAME_INCLUDES_BUSICOM_H 11 12 #pragma once 13 14 #include "cpu/mcs40/mcs40.h" 15 #include "machine/timer.h" 16 #include "emupal.h" 17 18 class busicom_state : public driver_device 19 { 20 public: busicom_state(const machine_config & mconfig,device_type type,const char * tag)21 busicom_state(const machine_config &mconfig, device_type type, const char *tag) 22 : driver_device(mconfig, type, tag) 23 , m_maincpu(*this, "maincpu") 24 , m_palette(*this, "palette") 25 , m_input_lines(*this, "LINE%u", 0) 26 { 27 } 28 29 void busicom(machine_config &config); 30 31 protected: 32 virtual void machine_start() override; 33 virtual void machine_reset() override; 34 35 private: 36 uint8_t keyboard_r(); 37 uint8_t printer_r(); 38 void shifter_w(uint8_t data); 39 void printer_w(uint8_t data); 40 void status_w(uint8_t data); 41 void printer_ctrl_w(uint8_t data); 42 void busicom_palette(palette_device &palette) const; 43 uint32_t screen_update_busicom(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 44 TIMER_DEVICE_CALLBACK_MEMBER(timer_callback); 45 uint8_t get_bit_selected(uint32_t val,int num); 46 47 void busicom_mem(address_map &map); 48 void busicom_mp(address_map &map); 49 void busicom_rom(address_map &map); 50 void busicom_rp(address_map &map); 51 void busicom_stat(address_map &map); 52 53 uint8_t m_drum_index; 54 uint16_t m_keyboard_shifter; 55 uint32_t m_printer_shifter; 56 uint8_t m_timer; 57 uint8_t m_printer_line[11][17]; 58 uint8_t m_printer_line_color[11]; 59 60 required_device<i4004_cpu_device> m_maincpu; 61 required_device<palette_device> m_palette; 62 required_ioport_array<10> m_input_lines; 63 }; 64 65 #endif // MAME_INCLUDES_BUSICOM_H 66