Siemens CPU 412, Instruction Manual

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Forming the Ones and Twos Complements
85
S7-400 Instruction List
A5E00267845-01
Forming the Ones and Twos Complements
Instruc- Address
Description
Length
in
Execution Time in s
Instruc-
tion
Address
ID
Description
Length
in
Words
CPU 412 CPU 414 CPU 416 CPU 417
INVI Form the ones complement of
ACCU1-L 1 0.1 0.06 0.04 0.03
INVD Form the ones complement of
ACCU1 1 0.1 0.06 0.04 0.03
Status word for: INVI, INVD BR CC1 CC0 OV OS OR STA RLO /FC
Instruction evaluates: – – – – – – – – –
Instruction affects: – – – – – – – – –
NEGI Form the twos complement of
ACCU1-L (integer) 1 0.1 0.06 0.04 0.03
NEGD Form the twos complement of
ACCU1 (double integer) 1 0.1 0.06 0.04 0.03
Status word for: NEGI, NEGD BR CC1 CC0 OV OS OR STA RLO /FC
Instruction evaluates: – – – – – – – – –
Instruction affects: – Yes Yes Yes Yes – – – –