 | | pbForth & ROLL —John Hansen
| | | | (...) While testing my console the other day I kept getting pbForth to hang (or so it appeared). It turns out I was passing ROLL a number that caused it to do bad things. I'm wondering whether it should error out with "aborted stack underflow" or (...) (21 years ago, 6-Sep-03, to lugnet.robotics.rcx.pbforth)
| | | | | | | | | | RE: pbForth & ROLL —Ralph Hempel
| | | | | (...) John, As always, it depends. ROLL can sometimes be recovered gracefully, but not always. If you ROLL more than the stack depth, you'll shift some RAM that you probably don't want to shift - like the pbForth image itself. In that case, there's (...) (21 years ago, 6-Sep-03, to lugnet.robotics.rcx.pbforth)
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