Cutler-Hammer D50 - Bit Conversion Instructions

54 D50 PLC User's Manual
Bit Conversion Instructions
Mnemonic Command Byte Word Description
BSET Bit Set
BSET
D =
N =
Set Nth bit of D to 1.
D ...... 01111100
N=5 1
BRST Bit Reset
BRST
D =
N =
Reset Nth bit of D to 0.
D ...... 01010100
N=3 0
BNOT Bit Not
BNOT
D =
N =
Reverse state of Nth bit of D.
D ...... 01110100
N=4
D ...... 01100100
BTST Bit Test
BTST
D =
N =
Set carry bit F1.8 to the state of the
Nth bit of D.
D ...... 01110100
N=6
F1.8
SUM Sum
SUM
D =
S =
Store the number of bits in S that are
1 in D.
S $00 01110100 4 ON(=1)s
D 0..0 00000100 D=4
SC Set Carry
SC
Set carry bit (F1.8) to 1.
1 F1.8
RC Reset Carry
RC
Reset carry bit (F1.8) to 0.
0 F1.8
CC Complement Carry
CC
Reverse carry bit (F1.8).
10
01
F1.8
F1.8
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