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Discussion Groups | FPGA-CPU | issue: xsoc\Xsoc.pdf generates "File does not begin with %PDF-"
This list is for discussion of the design and implementation of field-programmable gate array based processors and integrated systems. It is also for discussion and community support of the XSOC Project (see http://www.fpgacpu.org/xsoc).
issue: xsoc\Xsoc.pdf generates "File does not begin with %PDF-" - Dan Crowl - Mar 16 23:12:00 2000
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Nice piece of work, Jan, thanks. trivial issues: a. Downloaded the distribution to NT4 system and installed, compiled and simulated the demos [no board yet] according to _Getting Started.._procedure with only one incident: "-Wl ignored" reported by lcc-xr16 on p.7, step 1. b. the file xsoc\xsoc.pdf appears as an Acrobat file, though it really isn't ( -- might confuse some): [project] name=xsoc netlist=d:\xsoc\xsoc\xsoc.alb contents=xsoc date=02/23/100 time=10:44:48 version=3.1.4.05.99q generics=MAX Type=XILINX8 . . . c. Ghostview cannot read the \doc *.pdf files because it sees them as being encrypted. /Dan Crowl ------------------------------- Daniel M Crowl RETICOM (541) 347-3413 |
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Re: issue: xsoc\Xsoc.pdf generates"File does not begin with %PDF-" - Jan Gray, Gray Research LLC - Mar 17 11:40:00 2000
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Dan, thank you very much for your feedback. > trivial issues: > a. Downloaded the distribution to NT4 system and installed, compiled and > simulated the demos [no board yet] according to _Getting > Started.._procedure with only one incident: "-Wl ignored" reported by > lcc-xr16 on p.7, step 1. Interesting. I think you must have typed lcc -v -o gr.hex -Wl -lst=gr.lst gr.o glyphs.o [1] instead of lcc -v -o gr.hex -Wl-lst=gr.lst gr.o glyphs.o The lcc-xr16 argument -W[pfal]arg is used to pass specific arguments to the preprocessor, compiler, assembler, or linker (respectively). The argument -Wl-lst=gr.lst was supposed to pass -lst=gr.lst to the 'linker', xr16. In using [1] above, I expected you to get a compiler usage error on "-lst=gr.lst", but you did not. That's because I forgot that "unrecognized options are taken to be linker options". So the -Wl prefix is extraneous. I will update the next revision of the Guide to read simply lcc -v -o gr.hex -lst=gr.lst gr.o glyphs.o Much better. Thanks. > b. the file xsoc\xsoc.pdf appears as an Acrobat file, though it really > isn't ( -- might confuse some): Yes, it certainly is confusing. It is regrettable that Xilinx/Aldec has not moved to a different file name extension for Foundation project files, given the widespread use of Acrobat by engineers. The README notes that XSOC.PDF is not an Acrobat file but lots of folks are still going to trip over it anyway. I gets me from time to time! Besides adding a further note in the Documentation section in the Guide I don't know how to better avoid the confusion, short of renaming the project the X_NOT_ACROBAT_XSOC.PDF. :-) > c. Ghostview cannot read the \doc *.pdf files because it sees > them as being > encrypted. In Acrobat I had set the Security option to disallow changes to the document, but it did not occur to me that it would preclude reading the documents in certain environments. In the next update I will clear the Security options. Thanks again for your helpful observations. Jan Gray / Gray Research LLC |
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