source/src/vm/pc6001/sub.h

   1 /*
   2         NEC PC-6001 Emulator 'yaPC-6001'
   3         NEC PC-6001mkII Emulator 'yaPC-6201'
   4         NEC PC-6001mkIISR Emulator 'yaPC-6401'
   5         NEC PC-6601 Emulator 'yaPC-6601'
   6         NEC PC-6601SR Emulator 'yaPC-6801'
   7
   8         Author : Takeda.Toshiya
   9         Date   : 2014.05.24-
  10
  11         [ sub cpu ]
  12 */
  13
  14 #ifndef _SUB_H_
  15 #define _SUB_H_
  16
  17 #include "../vm.h"
  18 #include "../../emu.h"
  19 #include "../device.h"
  20
  21 #define SIG_SUB_DATAREC 0
  22 #define SIG_SUB_RXRDY   1
  23
  24 class FILEIO;
  25
  26 class SUB : public DEVICE
  27 {
  28 private:
  29         DEVICE *d_pio, *d_drec, *d_timer;
  30         const uint8* key_stat;
  31         int p1_out, p2_in;
  32         bool drec_in, rxrdy_in;
  33         bool update_key;
  34
  35         FILEIO* fio;
  36         bool rec, is_wav, is_p6t;
  37         _TCHAR rec_file_path[_MAX_PATH];
  38         int prev_command, baud, index;
  39         bool skip;
  40         uint8 buffer[0x10000];
  41
  42 public:
  43         SUB(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  44         ~SUB() {}
  45
  46         // common functions
  47         void initialize();
  48         void release();
  49         void reset();
  50         void write_io8(uint32 addr, uint32 data);
  51         uint32 read_io8(uint32 addr);
  52         uint32 intr_ack();
  53         void event_frame();
  54         void event_callback(int event_id, int err);
  55         void write_signal(int id, uint32 data, uint32 mask);
  56         void save_state(FILEIO* state_fio);
  57         bool load_state(FILEIO* state_fio);
  58
  59         // unique functions
  60         void set_context_pio(DEVICE* device)
  61         {
  62                 d_pio = device;
  63         }
  64         void set_context_drec(DEVICE* device)
  65         {
  66                 d_drec = device;
  67         }
  68         void set_context_timer(DEVICE* device)
  69         {
  70                 d_timer = device;
  71         }
  72         bool rec_tape(const _TCHAR* file_path);
  73         void close_tape();
  74         bool tape_inserted()
  75         {
  76                 return rec;
  77         }
  78 };
  79 #endif