[Oberon] SystemV - Viewer Scroll

Tomas Kral thomas.kral at email.cz
Tue Mar 19 13:39:59 CET 2019

Joerg, Andreas,

> Forward scrolling: (single pass)
> Backward scrolling: second pass in forward direction.

Ah, this is the answer, then. Single (simpler) vs. double (more

The exercise is still worth doing, question is whether backward scroll
with its double pass will yield noticeably faster update in the end.

Tomas Kral <thomas.kral at email.cz>

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