Thinking Forth by Leo Brodie

Author:Leo Brodie [Brodie, Leo]
Language: eng
Format: epub, pdf
Published: 2013-02-16T05:00:00+00:00

2. load the entire section in which the screen appears,

or

3. load the entire remainder of the application.

The use of THRU seems to give you the greatest control.

Some people consider the arrow to be useful for letting definitions cross screen boundaries. In fact --> is the only way to compile a high-level (colon) definition that occupies more than one screen, because --> is “immediate.” But it’s never good style to let a colon definition cross screen boundaries. (They should never be that long!)

On the other hand, an extremely complicated and time-critical piece of assembler coding might occupy several sequential screens. In this case, though, normal LOADing will do just as well, since the assembler does not use compilation mode, and therefore does not require immediacy.

Finally, the arrow wastes an extra line of each source screen. We don’t recommend it.

– –> vs. THRU 143

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