int a=50;
void main()
{
   __out ++a;
}

3

   top:top top sqmain

.  _a:50

_main:
   dec sp; ?+11; sp ?+7; ?+6; sp ?+2; 0
   ?+6; sp ?+2; bp 0
   bp; sp bp

   inc _a
   _a (-1)

   sp; bp sp
   ?+8; sp ?+4; bp; 0 bp; inc sp
   ?+8; sp ?+4; ?+7; 0 ?+3; Z Z 0

sqmain:
   dec sp; ?+11; sp ?+7; ?+6; sp ?+2; 0
   ?+6; sp ?+2; ?+2 0 _main; . ?; inc sp

   Z Z (-1)

. inc:-1 Z:0 dec:1 ax:0 bp:0 sp:-sp

Root (mg_18_2.hsq:6)
   Declaration (mg_18_2.hsq:1)
      Keyword [int] (mg_18_2.hsq:1)
      Declarator [=] (mg_18_2.hsq:1)
         Id [a] (mg_18_2.hsq:1)
         Const [50] (mg_18_2.hsq:1)
   Function:0 [main] (mg_18_2.hsq:2)
      Keyword [void] (mg_18_2.hsq:2)
      Param-type-list (mg_18_2.hsq:2)
      Block (mg_18_2.hsq:3)
         OperatorIO [__out] (mg_18_2.hsq:4)
            Unary [++] (mg_18_2.hsq:4)
               Variable [a] (mg_18_2.hsq:4) =:1