1 // license:BSD-3-Clause 2 // copyright-holders:Miodrag Milanovic 3 /***************************************************************************** 4 * 5 * includes/ut88.h 6 * 7 ****************************************************************************/ 8 #ifndef MAME_INCLUDES_UT88_H 9 #define MAME_INCLUDES_UT88_H 10 11 #pragma once 12 13 #include "cpu/i8085/i8085.h" 14 #include "sound/dac.h" 15 #include "machine/i8255.h" 16 #include "imagedev/cassette.h" 17 #include "machine/timer.h" 18 #include "emupal.h" 19 20 class ut88_common : public driver_device 21 { 22 public: ut88_common(const machine_config & mconfig,device_type type,const char * tag)23 ut88_common(const machine_config &mconfig, device_type type, const char *tag) 24 : driver_device(mconfig, type, tag) 25 , m_maincpu(*this, "maincpu") 26 , m_cassette(*this, "cassette") 27 , m_io_line0(*this, "LINE0") 28 , m_io_line1(*this, "LINE1") 29 , m_io_line2(*this, "LINE2") 30 { 31 } 32 33 protected: 34 uint8_t tape_r(); 35 36 required_device<cpu_device> m_maincpu; 37 required_device<cassette_image_device> m_cassette; 38 required_ioport m_io_line0; 39 required_ioport m_io_line1; 40 required_ioport m_io_line2; 41 }; 42 43 class ut88_state : public ut88_common 44 { 45 public: ut88_state(const machine_config & mconfig,device_type type,const char * tag)46 ut88_state(const machine_config &mconfig, device_type type, const char *tag) 47 : ut88_common(mconfig, type, tag) 48 , m_ppi(*this, "ppi") 49 , m_dac(*this, "dac") 50 , m_vram(*this, "videoram") 51 , m_rom(*this, "maincpu") 52 , m_ram(*this, "mainram") 53 , m_io_line3(*this, "LINE3") 54 , m_io_line4(*this, "LINE4") 55 , m_io_line5(*this, "LINE5") 56 , m_io_line6(*this, "LINE6") 57 , m_io_line7(*this, "LINE7") 58 , m_io_line8(*this, "LINE8") 59 , m_gfxdecode(*this, "gfxdecode") 60 , m_palette(*this, "palette") 61 { } 62 63 void ut88(machine_config &config); 64 65 private: 66 void machine_start() override; 67 void machine_reset() override; 68 uint8_t keyboard_r(offs_t offset); 69 void keyboard_w(offs_t offset, uint8_t data); 70 void sound_w(uint8_t data); 71 uint8_t ppi_portb_r(); 72 uint8_t ppi_portc_r(); 73 void ppi_porta_w(uint8_t data); 74 75 uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 76 77 void io_map(address_map &map); 78 void mem_map(address_map &map); 79 80 int m_keyboard_mask; 81 82 memory_passthrough_handler *m_rom_shadow_tap; 83 required_device<i8255_device> m_ppi; 84 required_device<dac_bit_interface> m_dac; 85 required_shared_ptr<uint8_t> m_vram; 86 required_region_ptr<u8> m_rom; 87 required_shared_ptr<u8> m_ram; 88 required_ioport m_io_line3; 89 required_ioport m_io_line4; 90 required_ioport m_io_line5; 91 required_ioport m_io_line6; 92 required_ioport m_io_line7; 93 required_ioport m_io_line8; 94 required_device<gfxdecode_device> m_gfxdecode; 95 required_device<palette_device> m_palette; 96 }; 97 98 class ut88mini_state : public ut88_common 99 { 100 public: ut88mini_state(const machine_config & mconfig,device_type type,const char * tag)101 ut88mini_state(const machine_config &mconfig, device_type type, const char *tag) 102 : ut88_common(mconfig, type, tag) 103 , m_proms(*this, "proms") 104 , m_digits(*this, "digit%u", 0U) 105 { } 106 107 void ut88mini(machine_config &config); 108 109 private: 110 void machine_start() override; 111 void machine_reset() override; 112 TIMER_DEVICE_CALLBACK_MEMBER(display_timer); 113 114 void io_map(address_map &map); 115 void mem_map(address_map &map); 116 117 uint8_t keyboard_r(); 118 void led_w(offs_t offset, uint8_t data); 119 120 required_memory_region m_proms; 121 122 int m_lcd_digit[6]; 123 output_finder<6> m_digits; 124 }; 125 126 127 #endif // MAME_INCLUDES_UT88_H 128