In the disassemly window of CCS3.3.82 there are some instructions like ' .fphead n, l, W, BU, nobr, nosat, 0100101';
but i could not find the instrction in the file 'TMS320C64x/C64x+ DSP CPU and Instruction Set Reference Guide'.
what is the meaning of .fphead?
Please see this related thread. The C64x/C64x+ CPU Users Guide should have a similar section to the one referenced in that other thread.
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You probably are looking at a memory location that contains data instead of code, therefore the disassembly is trying to decode it using the most probable opcodes. In other words, the disasembled instruction has no useful meaning at this address.
The symbol .fphead means the Fetch Packet head (the start of a set of instructions to be decoded by the CPU).
The reason why this is displayed this way is because the disassembly window does not make any assumptions about the code in memory.
Hope this helps,
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