> Does anyone have some source codes that show (clearly) the use of some sprite > routines, random number routines , or line drawing routine....not the > the actual routines but seeing them implemented in real programs On ticalc.org, in the zshell/programs/routines directory, or something like that, there is a line.asm program which uses line drawing. You may also find the other routines in there. Ben shakal@ns.net