source/src/vm/msx/keyboard.h

   1 /*
   2         ASCII MSX1 Emulator 'yaMSX1'
   3         ASCII MSX2 Emulator 'yaMSX2'
   4         Pioneer PX-7 Emulator 'ePX-7'
   5
   6         Author : tanam
   7         Date   : 2013.06.29-
   8
   9         modified by Takeda.Toshiya
  10
  11         [ keyboard ]
  12 */
  13
  14 #ifndef _KEYBOARD_H_
  15 #define _KEYBOARD_H_
  16
  17 #include "../vm.h"
  18 #include "../../emu.h"
  19 #include "../device.h"
  20
  21 #define SIG_KEYBOARD_COLUMN     0
  22
  23 namespace MSX {
  24
  25 class KEYBOARD : public DEVICE
  26 {
  27 private:
  28 //      DEVICE *d_cpu, *d_pio;
  29         DEVICE *d_pio;
  30
  31         const uint8_t* key_stat;
  32         uint8_t column;
  33 //      bool break_pressed;
  34
  35         void update_keyboard();
  36
  37 public:
  38         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  39         {
  40                 set_device_name(_T("Keyboard"));
  41         }
  42         ~KEYBOARD() {}
  43
  44         // common functions
  45         void initialize();
  46         void event_frame();
  47         void write_signal(int id, uint32_t data, uint32_t mask);
  48         bool process_state(FILEIO* state_fio, bool loading);
  49
  50         // unique functions
  51 //      void set_context_cpu(DEVICE* device)
  52 //      {
  53 //              d_cpu = device;
  54 //      }
  55         void set_context_pio(DEVICE* device)
  56         {
  57                 d_pio = device;
  58         }
  59 };
  60
  61 }
  62 #endif