Subject:
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Re: Firmware file version?
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 16 Dec 2000 15:17:21 GMT
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Viewed:
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488 times
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Hello again,
Does anyone know what the checksum is for downloading firm0328.lgo (the
checksum to pass to the RCX begin-download call)?
I've been doing some experimenting with firmware downloading. While my
code comes up with 0xc278 with firm0309.lgo (the correct value), something
isn't working with firm0328.lgo. It'd help to know what the "right"
checksum is so I can see what's going wrong in the code.
Thanks again, :)
Greg Betzel
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Message has 2 Replies:
 | | RE: Firmware file version?
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| (...) Way back when, I think I remember Dave Baum posting a note to the effect that the firmware checksum calculation stops around 0xCC00, which is where the firmware variables live. The old firmware was smaller than this, but the new firmware image (...) (24 years ago, 16-Dec-00, to lugnet.robotics)
| | | RE: Firmware file version?
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| (...) The new firmware is a lot larger. The last address in the old fw file is 0xBFFO, and in the new file it's 0xE160. More than a little past 0xCC0. :) I wonder what Lego does to make the download work.... Greg Betzel (24 years ago, 16-Dec-00, to lugnet.robotics)
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Message is in Reply To:
| | Firmware file version?
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| Is there a way to get the version # out of an RCX firmware file? Namely, the files firm0309.lgo or firm0328.lgo. I'd hate to rely only on the file's name. It'd be nice if one could reliably get the version, without having to download the file into (...) (24 years ago, 26-Nov-00, to lugnet.robotics)
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