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Dear fishcow, You are right, this is the way to tell code composer which memory is used and with what function. However the simulator in Code Composer v4.10 for the C3x/4x ( i.e. the Code Composer Studio look a like), doesn't support every memory location in the memory map. For example if I change the memory to 0x00000000 - 0xfffffffff RAM, so the entire memory range is read/write RAM. Then viewing the memory map at e.g. location 0xffff0000 reports BAD at all locations and it also doesn't allow you to change the value at that location. While viewing location 0x80000000 shows a usable memory region. This means (unless I am doing something wrong) that only some specific memory regions are allowed to be used in the C3x/4x version 4.10 of the Code Composer. Kind regards Paul Kamphuis ------ Paul Kamphuis DSP engineer www.jive.nl Joint Institute for VLBI in Europe Phone : +31-521-596535 Radiosterrenwacht Dwingeloo or : +31-521-596500 Postbus 2 Fax : +31-521-597332 7990 AA DWINGELOO, the Netherlands PLEASE NOTE: In the near future "" may be the only proper address, old addresses in your aliases could fail. >>> clear_bright <> 03/31/00 03:12am >>> Please try like follow: click Option/Memory Map change the program memory to be: 0x0000-0xffff EXRAM change the data memory to be : 0x0000-0x7fff RAM 0x8000-0xffff EXRAM may you lucky, fishcow |