Shuffle Accumulators; Figure 13-8.Shuffle Accumulators - Lucent Technologies DSP1617 Information Manual

DSP1611/17/18/27/28/29 DIGITAL SIGNAL PROCESSOR
Bit Manipulation Unit
13.2 Software View

13.2.6 Shuffle Accumulators

The shuffle instruction exchanges data between one or both of the main accumulators and one of the two alternate
accumulators. The contents of accumulator aD are replaced with the contents of alternate accumulator aaT, and
the contents of aaT are replaced with the contents of accumulator aS. aD and aS can be the same or different.
Figure 13-8 shows the shuffle instruction. Flags (described
the value written into aD.
SOURCE ACCUMULATOR
DESTINATION ACCUMULATOR
13-8
(continued)
aS
aD
Figure 13-8. Shuffle Accumulators
DRAFT COPY
Section 13.2.2, Shifting Operations) are set based on
36
aaT
ALTERNATE
ACCUMULATOR
36
Information Manual
April 1998
5-4217
Lucent Technologies Inc.