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ä |
NOP
No operation
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ä |
Can
be used to fill in code areas to start
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instructions
on word boundaries
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ä |
Can
be used to control timing in a loop
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ä |
HLT
Halt, to stop execution until:
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ä |
A
pulse is sent to the reset line
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ä |
Or an
interrupt occurs
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ä |
Useful
for debugging
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ä |
LOCK
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ä |
Used
to synchronize operations when multiple
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processors
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ä |
Provides
support for semaphores that can be
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used
to provide mutual exclusion over
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hardware
resources
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