Instruction List
B-44
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.32 Rotate Instructions
Rotation of the contents of ACCU1 to the left or right by the specified number of
places. If an address ID is not specified, rotate by the number specified in
ACCU2-LL.
In-
struc-
tion
Address
ID
Description
Length
in
Words
Typical Execution Time in
s
RLD Rotate the contents of ACCU1 to the left 1 3.3
RLD 0 to 32 3.4
RRD Rotate the contents of ACCU1 to the right 1 3.5
RRD 0 to 32 3.5
Status word for: RLD, RRD BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – Yes Yes Yes – – – – –
RLDA Rotate the contents of ACCU1 one bit posi-
tion to the left through condition code bit
CC 1
1.9
RRDA Rotate the contents of ACCU1 one bit posi-
tion to the right through condition code bit
CC 1
1.9
Status word for: RLDA, RRDA BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – Yes 0 0 – – – – –
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