source/src/vm/mycomz80a/keyboard.h

   1 /*
   2         Japan Electronics College MYCOMZ-80A Emulator 'eMYCOMZ-80A'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2009.05.18-
   6
   7         [ keyboard ]
   8 */
   9
  10 #ifndef _KEYBOARD_H_
  11 #define _KEYBOARD_H_
  12
  13 #include "../vm.h"
  14 #include "../../emu.h"
  15 #include "../device.h"
  16
  17 class FIFO;
  18
  19 class KEYBOARD : public DEVICE
  20 {
  21 private:
  22         DEVICE *d_cpu, *d_pio1, *d_pio2;
  23
  24         FIFO* key_buf;
  25         const uint8_t* key_stat;
  26         int key_code;
  27         bool kana;
  28         int event_cnt;
  29
  30 public:
  31         KEYBOARD(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  32         {
  33                 set_device_name(_T("Keyboard"));
  34         }
  35         ~KEYBOARD() {}
  36
  37         // common functions
  38         void initialize();
  39         void release();
  40         void reset();
  41         void event_frame();
  42         void decl_state();
  43         void save_state(FILEIO* state_fio);
  44         bool load_state(FILEIO* state_fio);
  45
  46         // unique functions
  47         void set_context_cpu(DEVICE* device)
  48         {
  49                 d_cpu = device;
  50         }
  51         void set_context_pio1(DEVICE* device)
  52         {
  53                 d_pio1 = device;
  54         }
  55         void set_context_pio2(DEVICE* device)
  56         {
  57                 d_pio2 = device;
  58         }
  59         void key_down(int code);
  60         void key_up(int code);
  61         bool get_caps_locked()
  62         {
  63 //              return caps;
  64                 return true;
  65         }
  66         bool get_kana_locked()
  67         {
  68                 return kana;
  69         }
  70 };
  71
  72 #endif
  73