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  1.  
  2. #include <stdlib.h>
  3. #include <stdio.h>
  4.  
  5. #define X
  6.  
  7. enum {
  8.     MAX = 0x40
  9. };
  10.  
  11. typedef unsigned char uchar;
  12.  
  13. uchar dec2[] =      
  14.                     X
  15.                     X
  16.                  X X X X
  17.                    X X
  18.                   X   X                 
  19.                    "*"
  20.                   ">>>"
  21.                  ">>>O>"
  22.                 ">O<O>o@"
  23.                "O>o>o>>O@"
  24.               ">>@<O>o<@>>"
  25.              "@O>o@O<o<@<<@"
  26.             "O<<<o>>>@O<<<o<"
  27.            "o<O<@>>>O>>>o>@>>"
  28.           ">>>O>o@O<<o@<O>o@>>"
  29.          "O<<<<o@O<<<<<o>o>>@O<"
  30.         "o<<O@>>>>>O<<<<o@O<o@><"
  31.        "<<<<<<<@>O<o>>>@>O>>>>>>o"
  32.       ">@O>>o<@O>>o@<O>>>o<o>>@O<<"
  33.      "o>>>>>@<<O>o<o>>@>>>>O>o@<O>>"
  34.     "o>>@O<<<<o@O>>o><><<>><<>>><><@"
  35.                    ;;;
  36.                    ;;;
  37.                    ;;;
  38.  
  39. int main(void)
  40. {
  41.     uchar reg[MAX] = {0};
  42.     uchar *prg = dec2;
  43.     uchar *p = reg;
  44.  
  45.     while (*prg) {
  46.         if (p < reg || p >= reg + MAX) {
  47.             fprintf(stderr, "Bad address.\n");
  48.             exit(1);
  49.         }
  50.  
  51.         switch (*prg) {
  52.         case 'O':   p++;                    break;
  53.         case 'o':   p--;                    break;
  54.         case '>':   (*p)++;                 break;
  55.         case '<':   (*p)--;                 break;
  56.         case '@':   printf("%d\n", *p);     break;
  57.         }
  58.  
  59.         prg++;
  60.     }
  61.  
  62.     return 0;
  63. }
  64.  
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https://ideone.com/GIFYnu
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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