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·sbroff
brx
mem.x (address)
CORE INSTRUCTIONS
A signed, 16-bit, immediate, relative branch offset.
A function that computes the target address by shifting the offset
(either
lbroff
or
sbroff)
left by two bits, sign-extending it to 32 bits,
and adding the result to the current instruction pointer plus four.
The resulting target address may lie anywhere within the address
space.
The contents of the memory location indicated by
address
with a
size of x.
The comments regarding optimum performance that appear in the subsections
Program-
ming
Notes are recommendations only. If these recommendations are not followed, the
i860 microprocessor automatically waits the necessary number of clocks to satisfy inter-
nal hardware requirements.
5-2
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