On 22 Aug 2003 at 22:28, Angelboy wrote: > Same here, for further understanding of how the processor works. http://e-www.motorola.com/webapp/sps/site/prod_summary.jsp?code=MC68000 Look for title "Reference Manual". What you are interested in are most likely in Programmer's Reference Manual and errata. Also, a bit further down the page there's small text file "Optimizing 680X0 Applications". Jorma