source/src/vm/mz5500/keyboard.h

   1 /*
   2         SHARP MZ-5500 Emulator 'EmuZ-5500'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2008.04.10 -
   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_INPUT      0
  18
  19 class FIFO;
  20
  21 class KEYBOARD : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_pio, *d_pic;
  25
  26         void drive();
  27         void process(int cmd);
  28
  29         const uint8_t *key_stat;
  30         const int32_t *mouse_stat;
  31         FIFO *key_buf, *rsp_buf;
  32         bool caps, kana, graph;
  33         int dk, srk;    // to cpu
  34         int dc, stc;    // from cpu
  35         int send, recv;
  36         int phase, timeout;
  37
  38 public:
  39         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  40         {
  41                 set_device_name(_T("Keyboard"));
  42         }
  43         ~KEYBOARD() {}
  44
  45         // common functions
  46         void initialize();
  47         void release();
  48         void reset();
  49         void write_signal(int id, uint32_t data, uint32_t mask);
  50         void event_frame();
  51         bool process_state(FILEIO* state_fio, bool loading);
  52
  53         // unique functions
  54         void set_context_pio(DEVICE* device)
  55         {
  56                 d_pio = device;
  57         }
  58         void set_context_pic(DEVICE* device)
  59         {
  60                 d_pic = device;
  61         }
  62         void key_down(int code);
  63         void key_up(int code);
  64         bool get_caps_locked()
  65         {
  66                 return caps;
  67         }
  68         bool get_kana_locked()
  69         {
  70                 return kana;
  71         }
  72 };
  73
  74 #endif