Data Movement Instructions
Digit Designator
Flags
5-18-10 TRANSFER BITS – XFRB(––)
Limitations
Digit number: 3 2 1 0
The following show examples of the data movements for various values of Di.
Di: 0010
S
0
1
2
3
Di: 0031
S
0
1
2
3
ER:
At least one of the rightmost three digits of Di is not between 0 and 3.
Indirectly addressed EM/DM word is non-existent.
(Content of *EM/*DM word is not BCD, or the EM/DM area boundary
has been exceeded.)
Ladder Symbols
XFRB(−−)
@XFRB(−−)
C
S
D
The specified source bits must be in the same data area.
The specified destination bits must be in the same data area.
DM 6144 to DM 6655 cannot be used for D.
First digit in S (0 to 3)
Number of digits (0 to 3)
0: 1 digit
1: 2 digits
2: 3 digits
3: 4 digits
First digit in D (0 to 3)
Not used. (Set to 0.)
D
0
1
2
3
D
0
1
2
3
Operand Data Areas
C: Control word
IR, SR, AR, DM, EM, TIM/CNT, HR, LR, #
C
S: First source word
S
IR, SR, AR, DM, EM, TIM/CNT, HR, LR
D
D: First destination word
IR, SR, AR, DM, EM, HR, LR
Section 5-18
Di: 0030
S
D
0
0
1
1
2
2
3
3
Di: 0023
S
D
0
0
1
1
2
2
3
3
279
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