...TEMP=TEMP2 I've also realised that the RISC OS 5/32bit fix will stop the game from using two screen banks, introducing flicker. Fixing that will need this change to !RunImage (which shouldn't cause any problems on earlier machines...
http://www.acornarcade.com/articles/Oldschool_Reviews_-_LASER/index1156.html
...The X_TRADER platform is used by Futures Commission Merchants (FCMs), proprietary traders, money-center banks, introducing brokers, market makers, hedge fund managers, commodity trading advisors (CTAs), personal investors and corporations...
http://www.tradingtechnologies.com/xtrader-pro.aspx