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 Robotics / RCX / legOS / *1863 (-5)
  Re: Floating ponts ??
 
(...) I can't check this out now, but keep e-mailing me until I do. -Kekoa kekoa@graphics.stanford.edu (23 years ago, 4-May-01, to lugnet.robotics.rcx.legos)
 
  Floating ponts ??
 
Hello everybody I am writing a program that uses floats, but I have some problems. If I write /******/ float p; p = 0.3; if(p == 0.4) do something; /******/ The if statement evaluates to true. Is there anything special I have to do to use floats in (...) (23 years ago, 3-May-01, to lugnet.robotics.rcx.legos)
 
  RE: LegOS bug - firmware unlock string not below CC00h in some circumstances
 
(...) Argh! This is so typical of many embedded projects that I have seen go sour over the years. It's due to not using the linker to full advantage. In my firmware, I declare the string in its own .text section (you can do this in inline assembler (...) (23 years ago, 29-Apr-01, to lugnet.robotics.rcx.legos)
 
  LegOS bug - firmware unlock string not below CC00h in some circumstances
 
Just thought I'd better report this... Firmdl3 is unable to download very large statically linked programs (with a .text segment greater than 4c00h bytes). Unlike previous size related bugs, this is *not* caused by firmdl, but rather by kmain.c. (...) (23 years ago, 28-Apr-01, to lugnet.robotics.rcx.legos)
 
  Re: C standard functions with legOS?
 
(...) As other people have pointed out, its not possible to use them straight off. I've written some floating point code for my own use to do conversions between rectangular (x,y) and polar (dist, bearing) calculations. The codes not documented I'm (...) (23 years ago, 27-Apr-01, to lugnet.robotics.rcx.legos)


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