source/src/vm/jx/keyboard.h

   1 /*
   2         IBM Japan Ltd PC/JX Emulator 'eJX'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2011.05.10-
   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_TIMER      0
  18
  19 class FIFO;
  20
  21 class KEYBOARD : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_cpu, *d_pio, *d_pit;
  25
  26         FIFO* key_buf;
  27 #ifndef KEYBOARD_HACK
  28         uint64_t send_data;
  29         int send_count;
  30 #endif
  31         bool key_latched;
  32
  33         uint8_t nmi_reg;
  34
  35 public:
  36         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  37         {
  38                 set_device_name(_T("Keyboard"));
  39         }
  40         ~KEYBOARD() {}
  41
  42         // common functions
  43         void initialize();
  44         void release();
  45         void reset();
  46         void write_io8(uint32_t addr, uint32_t data);
  47         uint32_t read_io8(uint32_t addr);
  48         void event_callback(int event_id, int err);
  49         void write_signal(int id, uint32_t data, uint32_t mask);
  50         bool process_state(FILEIO* state_fio, bool loading);
  51
  52         // unique functions
  53         void set_context_cpu(DEVICE* device)
  54         {
  55                 d_cpu = device;
  56         }
  57         void set_context_pio(DEVICE* device)
  58         {
  59                 d_pio = device;
  60         }
  61         void set_context_pit(DEVICE* device)
  62         {
  63                 d_pit = device;
  64         }
  65         void key_down(int code);
  66         void key_up(int code);
  67 };
  68
  69 #endif
  70