source/src/vm/sc3000/keyboard.h

   1 /*
   2         SEGA SC-3000 Emulator 'eSC-3000'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2010.08.17-
   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 #define SIG_KEYBOARD_COLUMN     0
  18
  19 class KEYBOARD : public DEVICE
  20 {
  21 private:
  22         DEVICE *d_cpu, *d_pio;
  23
  24         uint8* key_stat;
  25         uint32* joy_stat;
  26         uint8 column;
  27         bool break_pressed;
  28
  29         void update_keyboard();
  30
  31 public:
  32         KEYBOARD(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  33         ~KEYBOARD() {}
  34
  35         // common functions
  36         void initialize();
  37         void event_frame();
  38         void write_signal(int id, uint32 data, uint32 mask);
  39         void save_state(FILEIO* state_fio);
  40         bool load_state(FILEIO* state_fio);
  41
  42         // unique functions
  43         void set_context_cpu(DEVICE* device)
  44         {
  45                 d_cpu = device;
  46         }
  47         void set_context_pio(DEVICE* device)
  48         {
  49                 d_pio = device;
  50         }
  51 };
  52
  53 #endif