<!--QuoteBegin-Weird Person+Mar 20 2005, 04:19 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><b>QUOTE</b> (Weird Person @ Mar 20 2005, 04:19 AM)</td></tr><tr><td id='QUOTE'><!--QuoteEBegin--> Downloading the Sonic 1 Disassemblie, I tried change some things, but I Have a problem... Always I compile sonic 1 Disassemblie, that damn Red Screen appears... I Tried search a routine like the checksum routine in drx&#39;s 68k Asm Guide,  but ALWAYS that red screen appears... I Want make roms from scratch, but the problem is that red screen... somebody can help me in this checksum problem?<br><br>And a piece of Sonic 1 Disassemblie&#39;s code is Weird:<br><br><!--c1--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><b>CODE</b> </td></tr><tr><td id='CODE'><!--ec1--><br>ErrorTrap&#58; &nbsp;	<br> &nbsp;nop	<br><br>loc_202&#58;<br> &nbsp;nop	<br> &nbsp;bra.s	ErrorTrap<br><!--c2--></td></tr></table><div class='postcolor'><!--ec2--><br><br>It&#39;s seems to be a infinite loop no? <!--QuoteEnd--> </td></tr></table><div class='postcolor'> <!--QuoteEEnd--><br> You could use a tool such as Esrael&#39;s Checksum Fixer to solve the red screen problem. It can be found in the ESE program or as a completely seperate tool. They can both be found here:<br><br><a href='http://www.projectnemesis.ibforums.com/esrael/' target='_blank'>http://www.projectnemesis.ibforums.com/esrael/</a> 