source/src/vm/mz2500/keyboard.h

   1 /*
   2         SHARP MZ-80B Emulator 'EmuZ-80B'
   3         SHARP MZ-2200 Emulator 'EmuZ-2200'
   4         SHARP MZ-2500 Emulator 'EmuZ-2500'
   5
   6         Author : Takeda.Toshiya
   7         Date   : 2006.12.01 -
   8
   9         [ keyboard ]
  10 */
  11
  12 #ifndef _KEYBOARD_H_
  13 #define _KEYBOARD_H_
  14
  15 #include "../vm.h"
  16 #include "../../emu.h"
  17 #include "../device.h"
  18
  19 #define SIG_KEYBOARD_COLUMN     0
  20
  21 class KEYBOARD : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_pio_i, *d_pio;        // i8255, z80pio
  25
  26         // keyboard
  27         const uint8* key_stat;
  28         uint8 keys[16];
  29         uint8 column;
  30         void create_keystat();
  31
  32 public:
  33         KEYBOARD(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  34         ~KEYBOARD() {}
  35
  36         // common functions
  37         void initialize();
  38         void write_signal(int id, uint32 data, uint32 mask);
  39         void event_frame();
  40         void save_state(FILEIO* state_fio);
  41         bool load_state(FILEIO* state_fio);
  42
  43         // unique function
  44         void set_context_pio_i(DEVICE* device)
  45         {
  46                 d_pio_i = device;
  47         }
  48         void set_context_pio(DEVICE* device)
  49         {
  50                 d_pio = device;
  51         }
  52 };
  53
  54 #endif
  55