1 /* 2 * KCemu -- The emulator for the KC85 homecomputer series and much more. 3 * Copyright (C) 1997-2010 Torsten Paul 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 */ 19 20 #ifndef __kc_keyb0_h 21 #define __kc_keyb0_h 22 23 #include "kc/prefs/types.h" 24 25 #include "kc/cb.h" 26 #include "kc/pio.h" 27 #include "kc/keyboard.h" 28 29 class Keyboard0 : public Keyboard, public PIOCallbackInterface 30 { 31 private: 32 enum { 33 SHIFT_DELAY = 5 34 }; 35 36 kc_variant_t _variant; 37 38 private: 39 byte_t _ext; 40 byte_t _value; 41 byte_t _pio_value; 42 43 bool _control; 44 unsigned int _key; 45 unsigned int _keysym; 46 47 protected: 48 void init(void); 49 void keyboard_handler(void); 50 void keyboard_handler_rb(void); 51 void keyboard_handler_a2(void); 52 void keyboard_handler_default(void); 53 54 public: 55 Keyboard0(void); 56 virtual ~Keyboard0(void); 57 virtual void keyPressed(int keysym, int keycode); 58 virtual void keyReleased(int keysym, int keycode); 59 virtual void replayString(const char *text); 60 61 virtual void callback(void *data); 62 63 /* 64 * set value for keyboard output lines (coming from 65 * the B/D decoder chip 66 */ 67 virtual void set_value(byte_t value); 68 69 /* 70 * InterfaceCircuit 71 */ 72 virtual void reti(void); irqreq(void)73 virtual void irqreq(void) {} irqack()74 virtual word_t irqack() { return IRQ_NOT_ACK; } 75 virtual void reset(bool power_on = false); 76 77 /* 78 * PIOCallbackInterface 79 */ 80 virtual int callback_A_in(void); 81 virtual int callback_B_in(void); 82 virtual void callback_A_out(byte_t val); 83 virtual void callback_B_out(byte_t val); 84 }; 85 86 #endif /* __kc_keyb0_h */ 87