     G.    /
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    訡 /뢮 ஦ ᮡ묨 ﬨ,  -
騬   /뢮  ६ 믮 ணࠬ.
 ᫮ ⢨ ஫ /뢮 ( ⨢ -
 I-४⨢ ) 訡 /뢮 ਢ  -
⠭ ணࠬ  뤠 ᫥饣 ᮮ饭  訡:

Ŀ
   I/O error NN, PC=addr                   
   Program aborted                         


     NN -   訡 /뢮,  addr  
⮣    ணࠬ,     訡.

     ᨢ ﭨ ஫ 訡 /뢮: {$I-}
訡 /뢮    ਢ  ⠭ ணࠬ.  
⮣  쭥訥 樨 /뢮   ਮ-
   ,  १ 訡筮 樨 /-
  㤥 ஠஢   ⠭⭮ 㭪樨 IO-
RESULT. ᫨ ᫥  訡  ⪠ 믮-
  /뢮  맮 㭪樨 IORESULT,   -
  訡,   "" ணࠬ.

     ਢ  祭  ᮮ饭   訡  묨
ࠬ  ᭨⥫ ⥪⮬.     , 
  16-묨.

  ⥪ ᮮ饭              ॢ ⥪  ਨ
---------------------              ----------------------------
01  File does not exist              .  䠩-
                                       RESET, ERASE, RENAME,
                                   EXECUTE  CHAIN    ᮮ-
                                         -
                                    䠩.
02  File not open for input            . 1)
                                   ⪠   (।⢮
                                   READ   READLN)  䠩  
                                   ।⥫쭮 맮  RE-
                                   SET  REWRITE;  2) ⪠
                                    ⥪⮢ 䠩,  -
                                   ⮢   REWRI-
                                   TE,  ᫥⥫쭮  ⮩;
                                   3) ⪠   -
                                    ன⢠ LST: , -
                                   ஥ ।祭 ⮫쪮 
                                   뢮.
03  File not open for output             뢮.
                                   1) ⪠   (।-
                                   ⢮ WRITE    WRITELN)  
                                   䠩     ।⥫쭮
                                   맮 RESET  REWRITE; 2)
                                   ⪠     ⥪⮢
                                   䠩, ⮢  ࠡ-
                                      RESET;  3)  -
                                   ⪠     ᪮
                                   ன⢮ KBD:  ,   ஥
                                   ᪠ ⮫쪮 ⥭.


  ⥪ ᮮ饭              ॢ ⥪  ਨ
---------------------              ----------------------------
04  File not open                    .   -
                                   ⪠ 㯠   (   
                                   BLOCKREAD  BLOCKWRITE)  
                                   䠩    ।⥫쭮
                                   맮 RESET  REWRITE.
10  Error in numeric format        訡  ଠ ᫠.
                                   ப, ⠭  ⥪-
                                   ⮢ 䠩   ᫮ -
                                   ६,    㤮⢮
                                   ᮮ⢥饬   ᫮
                                   ଠ (.  ࠧ "᫠"
                                    4).
20  Operation not allowed            ⨬ 
    on a logical device            ᪮ ன⢠.  -
                                    ⪠ 맮 -
                                    ERASE, RENAME, CHAIN 
                                   EXECUTE  䠩, 祭-
                                      ᪮ ன-
                                   ⢮.
21  Not allowed in direct mode     ⨬  ०  -
                                   ।⢥     ᯮ.
                                   ணࠬ, ᯮ   
                                   ।⢥      ०
                                   (.. ணࠬ,  ⨢-
                                     Run  ࠭-
                                    M-樨 ), 
                                    ᪠ 㣨 ண-
                                   ࠬ       楤
                                   CHAIN  EXECUTE.
22  Assign to std files not        믮 ASSIGN    ⠭-
    allowed                         䠩 饭.
90  Record length mismatch         몮  .
                                     䠩  -
                                         䠩-
                                   ,   ⠥  
                                   ⮩ ६ 易.
91  Seek beyond end of file          । 䠩.
99  Unexpected end of file           䠩.  1)
                                    ⥭ ⥪⮢  䠩
                                   䨧᪨  䠩 -
                                   㦥  ⮣,  ⨫-
                                     EOF (CTRL-Z); 2) 
                                   । 䠩     뫠
                                   ᤥ ⪠ ⥭ ᫥
                                    䠩;  3)   楤
                                   READ  BLOCKREAD  ᬮ
                                    । ᥪ 
                                   । 䠩.  -
                                   , - 稫   䠩-
                                   ,     ( 砥
                                   BLOCKREAD)  ⠥  -
                                    ᫥ 䨧᪮ EOF.




  ⥪ ᮮ饭              ॢ ⥪  ਨ
---------------------              ----------------------------
F0  Disk write error               訡   .   
                                   ⪥ ७     䠩
                                     .  -
                                    ந   
                                   뢮 WRITE,       WRITELN,
                                   BLOCKWRITE   FLUSH,  
                                   ⠪ 訡  맢 
                                   樨 READ, READLN  CLO-
                                   SE, ᪮    뢠
                                   ஦  .
F1  Directory is full              ४਩ .   -
                                   ⠥ 믮    REWRITE
                                    ண 䠩, 
                                    ᪮   ४ਨ  
                                    .
F2  File size overflow             ९ ࠧ 䠩.
                                    ⪠  (
                                    WRITE)    -
                                   ஬, ॢ騬 65535,  
                                   । 䠩.
F3  Too many open files            誮    䠩-
                                   .
FF  File disappeared                祧. 뫠 ᤥ -
                                   ⪠    (   
                                   CLOSE) 䠩,  ண   㦥
                                     ४ਨ ᪠.  
                                    ந - -
                                    ᬥ ᪠.
