In news:ciBEc.71695$sj4.22593@news-server.bigpond.net.au, Peter Watson <paw77@N_O_hotmail_S_P_A_M.com> typed: > I don't recognise the BASIC - what machine is it written for? Also, > am I right in saying that it is self-modifying code? It's Sinclair BASIC (really!), and no it's not :-) D.