source/src/vm/tk80bs/keyboard.h

   1 /*
   2         NEC TK-80BS (COMPO BS/80) Emulator 'eTK-80BS'
   3         NEC TK-80 Emulator 'eTK-80'
   4         NEC TK-85 Emulator 'eTK-85'
   5
   6         Author : Takeda.Toshiya
   7         Date   : 2008.08.26 -
   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 class KEYBOARD : public DEVICE
  22 {
  23 private:
  24 #if defined(_TK80BS)
  25         DEVICE *d_pio_b, *d_cpu;
  26
  27         uint8_t prev_type, prev_brk, prev_kana;
  28         bool kana_lock;
  29         uint32_t kb_type;
  30 #endif
  31
  32         DEVICE *d_pio_t;
  33         const uint8_t* key_stat;
  34
  35         uint32_t column;
  36
  37         void update_tk80();
  38
  39 public:
  40         KEYBOARD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  41         {
  42                 set_device_name(_T("Keyboard"));
  43         }
  44         ~KEYBOARD() {}
  45
  46         // common functions
  47         void initialize();
  48         void reset();
  49         void write_signal(int id, uint32_t data, uint32_t mask);
  50         uint32_t get_intr_ack();
  51 #if defined(_TK80BS)
  52         uint32_t read_signal(int ch)
  53         {
  54                 return kb_type & 3;
  55         }
  56 #endif
  57         void decl_state();
  58         void save_state(FILEIO* state_fio);
  59         bool load_state(FILEIO* state_fio);
  60
  61         // unique functions
  62 #if defined(_TK80BS)
  63         void set_context_pio_b(DEVICE* device)
  64         {
  65                 d_pio_b = device;
  66         }
  67         void set_context_cpu(DEVICE* device)
  68         {
  69                 d_cpu = device;
  70         }
  71 #endif
  72         void set_context_pio_t(DEVICE* device)
  73         {
  74                 d_pio_t = device;
  75         }
  76         void key_down(int code);
  77         void key_up(int code);
  78         bool get_caps_locked()
  79         {
  80 //              return caps_lock;
  81                 return true;
  82         }
  83         bool get_kana_locked()
  84         {
  85 #if defined(_TK80BS)
  86                 return kana_lock;
  87 #else
  88                 return false;
  89 #endif
  90         }
  91 };
  92
  93 #endif
  94