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 Robotics / RCX / pbFORTH / 282
    Checksum download of text to RCX —Ernst de Ridder
   I wrote a simple addition to pbforth that allows it to receive text with a checksum across every line. Every line is ACK/NAK-ed and if necessary resent. Timeouts are not implemented. Now, the main word looks like this: : PBX-RECEIVE ( -- ) BEGIN (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.pbforth)  
   
        RE: Checksum download of text to RCX —Ralph Hempel
   (...) This is a neat idea, Ernst. I think it would be a good addition to the pbForth system if we can allow the user to use it for text uploads and then switch to normal mode for interactive use. (...) I'll have to think about this a bit.. (...) (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.pbforth)
   
        Re: Checksum download of text to RCX —Ernst de Ridder
   (...) would (...) Can do... Currently a line is transmitted as <text>NL<checksum>, so a checksummed line can already be distinguished from a non-checksummed, CR-terminated line. Adding a line header (any objections against STX?) is more failsafe, of (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.pbforth)
 

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