1 // license:BSD-3-Clause 2 // copyright-holders:Miodrag Milanovic 3 #ifndef MAME_INCLUDES_PK8000_H 4 #define MAME_INCLUDES_PK8000_H 5 6 #pragma once 7 8 #include "emupal.h" 9 10 class pk8000_base_state : public driver_device 11 { 12 public: pk8000_base_state(const machine_config & mconfig,device_type type,const char * tag)13 pk8000_base_state(const machine_config &mconfig, device_type type, const char *tag) 14 : driver_device(mconfig, type, tag) 15 , m_maincpu(*this, "maincpu") 16 { } 17 18 protected: 19 uint8_t _84_porta_r(); 20 void _84_porta_w(uint8_t data); 21 void _84_portc_w(uint8_t data); 22 23 uint8_t video_color_r(); 24 void video_color_w(uint8_t data); 25 uint8_t text_start_r(); 26 void text_start_w(uint8_t data); 27 uint8_t chargen_start_r(); 28 void chargen_start_w(uint8_t data); 29 uint8_t video_start_r(); 30 void video_start_w(uint8_t data); 31 uint8_t color_start_r(); 32 void color_start_w(uint8_t data); 33 uint8_t color_r(offs_t offset); 34 void color_w(offs_t offset, uint8_t data); 35 36 void pk8000_palette(palette_device &palette) const; 37 uint32_t video_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, uint8_t *videomem); 38 39 uint8_t m_text_start; 40 uint8_t m_chargen_start; 41 uint8_t m_video_start; 42 uint8_t m_color_start; 43 44 uint8_t m_video_mode; 45 uint8_t m_video_color; 46 uint8_t m_color[32]; 47 uint8_t m_video_enable; 48 required_device<cpu_device> m_maincpu; 49 }; 50 51 #endif // MAME_INCLUDES_PK8000_H 52