 &#39;O_o that worked&#33; It&#39;s on line 168. (In the edit.exe ...)<br><br>And about the &quot;ErrorTrap&quot;,  now I understand. Looking for the heap of Sonic 1 disassemblie, It&#39;s seems to be data for the gens.exe (or genesis...) Knows where find the instructions for each case. (That&#39;s it? If is, finally I understood it...)<br><br>[EDIT] (It&#39;s I never needed to do it when I program to normal computers processors, Like Pentium.) 