source/src/vm/ex80/cmt.h

   1 /*
   2         TOSHIBA EX-80 Emulator 'eEX-80'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2015.12.10-
   6
   7         [ cmt ]
   8 */
   9
  10 #ifndef _CMT_H_
  11 #define _CMT_H_
  12
  13 #include "../vm.h"
  14 #include "../../emu.h"
  15 #include "../device.h"
  16
  17 #define SIG_CMT_OUT     0
  18
  19 // max 256kbytes
  20 #define BUFFER_SIZE     0x40000
  21
  22 class CMT : public DEVICE
  23 {
  24 private:
  25         DEVICE* d_sio;
  26
  27         FILEIO* fio;
  28         bool play, rec;
  29         _TCHAR rec_file_path[_MAX_PATH];
  30         int bufcnt;
  31         uint8_t buffer[BUFFER_SIZE];
  32
  33         void release_tape();
  34
  35 public:
  36         CMT(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  37         {
  38                 set_device_name(_T("CMT I/F"));
  39         }
  40         ~CMT() {}
  41
  42         // common functions
  43         void initialize();
  44         void release();
  45         void reset();
  46         void write_signal(int id, uint32_t data, uint32_t mask);
  47         void decl_state();
  48         void save_state(FILEIO* state_fio);
  49         bool load_state(FILEIO* state_fio);
  50
  51         // unique functions
  52         void play_tape(const _TCHAR* file_path);
  53         void rec_tape(const _TCHAR* file_path);
  54         void close_tape();
  55         bool is_tape_inserted()
  56         {
  57                 return (play || rec);
  58         }
  59         void set_context_sio(DEVICE* device)
  60         {
  61                 d_sio = device;
  62         }
  63 };
  64
  65 #endif
  66