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GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-129
4
Non-nested JUMP:
——————————————————————— —————————>> ???????
Nested JUMP:
——————————————————————— ———N—————>> ???????
Caution
To avoid creating an endless loop with forward and backward JUMP
instructions, a backward JUMP must contain a way to make it conditional.
Example:
In the following examples, whenever JUMP TEST1 is active, power flow is transferred to LABEL
TEST1.
Example of a non-nested JUMP:
|%I0001
|——| |——————————————————————————————————————————————————————————————————>>TEST1
|
Example of a nested JUMP:
|%I0001
|——| |———————————————————————————————————————————————————————————————N——>>TEST1
|