source/src/vm/pc100/ioctrl.h

   1 /*
   2         NEC PC-100 Emulator 'ePC-100'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2008.07.14 -
   6
   7         [ i/o controller ]
   8 */
   9
  10 #ifndef _IOCTRL_H_
  11 #define _IOCTRL_H_
  12
  13 #include "../vm.h"
  14 #include "../../emu.h"
  15 #include "../device.h"
  16
  17 #define SIG_IOCTRL_RESET        0
  18
  19 class FIFO;
  20
  21 class IOCTRL : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_pic, *d_fdc, *d_beep, *d_pcm;
  25         const uint8_t* key_stat;
  26         const int32_t* mouse_stat;
  27
  28         bool caps, kana;
  29         FIFO* key_buf;
  30         uint32_t key_val, key_mouse;
  31         int key_prev;
  32         bool key_res, key_done;
  33         int register_id;
  34         uint8_t ts;
  35
  36         void update_key();
  37
  38 public:
  39         IOCTRL(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  40         {
  41                 set_device_name(_T("I/O Controller"));
  42         }
  43         ~IOCTRL() {}
  44
  45         // common functions
  46         void initialize();
  47         void release();
  48         void reset();
  49         void write_io8(uint32_t addr, uint32_t data);
  50         uint32_t read_io8(uint32_t addr);
  51         void event_callback(int event_id, int err);
  52         void write_signal(int id, uint32_t data, uint32_t mask);
  53         void decl_state();
  54         void save_state(FILEIO* state_fio);
  55         bool load_state(FILEIO* state_fio);
  56
  57         // unique functions
  58         void set_context_pic(DEVICE* device)
  59         {
  60                 d_pic = device;
  61         }
  62         void set_context_fdc(DEVICE* device)
  63         {
  64                 d_fdc = device;
  65         }
  66         void set_context_beep(DEVICE* device)
  67         {
  68                 d_beep = device;
  69         }
  70         void set_context_pcm(DEVICE* device)
  71         {
  72                 d_pcm = device;
  73         }
  74         void key_down(int code);
  75         void key_up(int code);
  76         bool get_caps_locked()
  77         {
  78                 return caps;
  79         }
  80         bool get_kana_locked()
  81         {
  82                 return kana;
  83         }
  84 };
  85
  86 #endif
  87