First round of requested code changes

src/ca65/main.c

@@ -335,6 +335,7 @@ static void SetSys (const char* Sys)
             break;
 
         case TGT_SYM1:
+            NewSymbol ("__SYM1__", 1);
             break;
 
         default:

src/cc65/main.c

@@ -291,6 +291,7 @@ static void SetSys (const char* Sys)
             break;
 
         case TGT_SYM1:
+            DefineNumericMacro ("__SYM1__", 1);
             break;
 
         default: