| | Re: command framing as seen from kernel/program.lrkey_handler
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(...) Just to be more certain we're understanding each other, if that's ok, I'll mention that ... 1) Newbie that I am, I have no clue how frequently brickos switches on bit masks. I wonder if only to decode xD2 RemoteCommand. 2) Using log2(xx & -xx) (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.legos)
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| | Re: command framing as seen from kernel/program.lrkey_handler
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"Pat LaVarre" <ppaatt@aol.com> wrote in message news:H9n64q.B2p@lugnet.com... (...) I dunno, haven't found one yet, though. (...) choice (...) Touché. Yes, tables, overlooked that. (...) the (...) expensive (...) I think that smaller code size is (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
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| | Re: command framing as seen from kernel/program.lrkey_handler
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(...) Mmmmm. I am curious, if that's ok. To get log2(xx) in O(1) time we could fetch (p[xx & -xx]) i.e. fetch our choice of the bytes at offset x 0 1 2 4 8 10 20 40 80 from some p we like. Merely standard C can't easily express that old idea without (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
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| | Re: command framing as seen from kernel/program.lrkey_handler
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(...) (URL) The missing (key & -key) might interest people who haven't used log2 & - to (...) number (...) and (...) log2(key (...) If I'm interpreting your shorthand correctly: there's no fast way to execute log2() on the H8 (i.e. no O(1) (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
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| | command framing as seen from kernel/program.lrkey_handler
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(...) Thanks for the tip, in reply here is a perhaps stunningly ignorant walkthru of how brickos frames standard commands, viewed by the newbie Me from kernel/program.lrkey_handler. The missing (key & -key) might interest people who haven't used (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
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| | brickOS in an Operating Systems Classroom
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***...*** * brickOS in an Operating Systems Classroom * ***...*** Hi. I just want to report on a little project we did here at East Carolina University last semester. Although we never posted to this newsgroup for help, we need to thank you all for (...) (22 years ago, 31-Jan-03, to lugnet.robotics.rcx.legos)
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| | make compiling error
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When I try to compile my program I get this error: /course/cs148/bin/h8...hi-hms-gcc -O2 -fno-builtin - fomit-frame-pointer -Wall -I. -I/course/cs148/include -c sound.c /course/cs148/bin/h8...chi-hms-ld -T /course/cs148/lib/brickOS.lds -relax (...) (22 years ago, 31-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: [ brickos-Patches-668115 ] Make brickOS work with up-to-date Binutils
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(...) https://sourceforge....5&group_id =58151 (...) Any comments on this? It would be nice to have this issue fixed in CVS. Max. (22 years ago, 30-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: RCXTTY-Variable Problem, calling ./firmdl3 ../boot/brickOS.srec
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Absolutly, Thanks :-) (...) whether (...) setup. (...) something (...) newConf2 (...) a (...) _WIN32 (...) (22 years ago, 30-Jan-03, to lugnet.robotics.rcx.legos)
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| | Problem with dll putting a program on the RCX.
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I have determined that the problem I had with uploading a program to the RCX is a bug in either the dll program or the kernel of version brickos-0.2.6.09.newConf2. I setup and compiled version legOS-0.2.5 without any problems, compiled and uploaded (...) (22 years ago, 29-Jan-03, to lugnet.robotics.rcx.legos)
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