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 namespace PC6001 {
  27
  28 class SUB : public DEVICE
  29 {
  30 private:
  31         DEVICE *d_pio, *d_drec, *d_timer;
  32         const uint8_t* key_stat;
  33         int p1_out, p2_in;
  34         bool drec_in, rxrdy_in;
  35         bool update_key;
  36
  37         FILEIO* fio;
  38         bool rec, is_wav, is_p6t;
  39         _TCHAR rec_file_path[_MAX_PATH];
  40         int prev_command, baud, index;
  41         bool skip;
  42         uint8_t buffer[0x10000];
  43
  44 public:
  45         SUB(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  46         {
  47                 set_device_name(_T("Sub System"));
  48         }
  49         ~SUB() {}
  50
  51         // common functions
  52         void initialize();
  53         void release();
  54         void reset();
  55         void write_io8(uint32_t addr, uint32_t data);
  56         uint32_t read_io8(uint32_t addr);
  57         uint32_t get_intr_ack();
  58         void event_frame();
  59         void event_callback(int event_id, int err);
  60         void write_signal(int id, uint32_t data, uint32_t mask);
  61         bool process_state(FILEIO* state_fio, bool loading);
  62
  63         // unique functions
  64         void set_context_pio(DEVICE* device)
  65         {
  66                 d_pio = device;
  67         }
  68         void set_context_drec(DEVICE* device)
  69         {
  70                 d_drec = device;
  71         }
  72         void set_context_timer(DEVICE* device)
  73         {
  74                 d_timer = device;
  75         }
  76         bool rec_tape(const _TCHAR* file_path);
  77         void close_tape();
  78         bool is_tape_inserted()
  79         {
  80                 return rec;
  81         }
  82 };
  83
  84 }
  85 #endif