FreeCalypso > hg > freecalypso-tools
annotate doc/DSP-ROM-dump @ 842:9da5fb3f42dd
fc-tmsync aur-all command implemented
| author | Mychaela Falconia <falcon@freecalypso.org> | 
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| date | Sat, 31 Jul 2021 09:06:30 +0000 | 
| parents | 9354a4f83fe8 | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 1 A pair of little ad hoc programs has been been added to FreeCalypso host tools | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 2 for the purpose of dumping the Calypso chip's internal DSP mask ROM. These two | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 3 programs are the dspdump target utility (see Target-utils) and the fc-dspromdump | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 4 front end host tool built in the loadtools suite. This addition is being | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 5 documented here for the sake of completeness, but it is not expected that anyone | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 6 will ever need to use these DSP ROM dump tools. Instead our fc-dspromdump tool | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 7 was written so it could be run exactly 3 times: | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 8 | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 9 * Our new tool was run once against a common DSP 3606 target to verify that it | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 10 produces exactly the same output as the old tool implemented a decade ago by | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 11 our political rivals over at OsmocomBB, the dsp-rom-3606-dump.txt output that | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 12 has been published on our FTP site since 2017. The test result is yes, our | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 13 new tool produces exactly the same dump output when run against the same DSP | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 14 ROM version. | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 15 | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 16 * Our fc-dspromdump tool was then run two more times against less common DSP ROM | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 17 versions: it was run on a D-Sample C05 board and an FCDEV3B-751774 board, | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 18 producing our newly published dumps of Calypso DSP ROM versions 3311 and 3416, | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 19 respectively. | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 20 | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 21 We have now collected and published all 3 DSP ROM versions that are known to | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 22 have been featured in the evolutionary history of our beloved Calypso chip: | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 23 3311, 3416 and 3606. Because our target-utils and loadtools frameworks are | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 24 quite specific to Calypso and there are no other Calypso DSP ROM versions | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 25 besides the 3 which we've already collected and published, it is unlikely that | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 26 anyone else will need to run our DSP ROM dump tools as they stand. But if | 
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9354a4f83fe8
doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 27 anyone is interested in exploring some other TI DBB chips that came before or | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 28 after Calypso and is prepared to do the necessary work, our DSP ROM dump tools | 
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doc/DSP-ROM-dump article written
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 29 might have some use as a starting point. | 
