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 namespace MZ5500 {
  22
  23 class KEYBOARD : public DEVICE
  24 {
  25 private:
  26         DEVICE *d_pio, *d_pic;
  27
  28         void drive();
  29         void process(int cmd);
  30
  31         const uint8_t *key_stat;
  32         const int32_t *mouse_stat;
  33         FIFO *key_buf, *rsp_buf;
  34         bool caps, kana, graph;
  35         int dk, srk;    // to cpu
  36         int dc, stc;    // from cpu
  37         int send, recv;
  38         int phase, timeout;
  39
  40 public:
  41         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  42         {
  43                 set_device_name(_T("Keyboard"));
  44         }
  45         ~KEYBOARD() {}
  46
  47         // common functions
  48         void initialize();
  49         void release();
  50         void reset();
  51         void write_signal(int id, uint32_t data, uint32_t mask);
  52         void event_frame();
  53         bool process_state(FILEIO* state_fio, bool loading);
  54
  55         // unique functions
  56         void set_context_pio(DEVICE* device)
  57         {
  58                 d_pio = device;
  59         }
  60         void set_context_pic(DEVICE* device)
  61         {
  62                 d_pic = device;
  63         }
  64         void key_down(int code);
  65         void key_up(int code);
  66         bool get_caps_locked()
  67         {
  68                 return caps;
  69         }
  70         bool get_kana_locked()
  71         {
  72                 return kana;
  73         }
  74 };
  75
  76 }
  77 #endif