We have an old product with a Xilinx XC5206 on it that is now obsolete. We want to move the source code to a new chip, but the guy who wrote it not around anymore and we have these files and notes that say what they are but not what tool was used to work with them.
The project file has extension OPJ, is text based, and starts with the phrase "ExpressProject". I have attached it here but changed the extension to TXT so the system would allow it.
The source file has extension DSN and is binary. It is 750K so I'll upload it only if requested.
Can anyone tell me what tool I can use to open this file?