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 namespace MZ2500 {
  22
  23 class KEYBOARD : public DEVICE
  24 {
  25 private:
  26         DEVICE *d_pio_i, *d_pio;        // i8255, z80pio
  27
  28         // keyboard
  29         const uint8_t* key_stat;
  30         uint8_t keys[16];
  31         uint8_t column;
  32         void create_keystat();
  33
  34 public:
  35         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  36         {
  37                 set_device_name(_T("Keyboard"));
  38         }
  39         ~KEYBOARD() {}
  40
  41         // common functions
  42         void initialize();
  43         void write_signal(int id, uint32_t data, uint32_t mask);
  44         void event_frame();
  45         bool process_state(FILEIO* state_fio, bool loading);
  46
  47         // unique function
  48         void set_context_pio_i(DEVICE* device)
  49         {
  50                 d_pio_i = device;
  51         }
  52         void set_context_pio(DEVICE* device)
  53         {
  54                 d_pio = device;
  55         }
  56 };
  57
  58 }
  59 #endif
  60