279
Data Movement Instructions
Section 5-18
Digit Designator
The following show examples of the data movements for various values of Di.
Flags
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.)
5-18-10 TRANSFER BITS – XFRB(––)
Limitations
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.)
Digit number: 3 2 1 0
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
S
Di: 0031
Di: 0023
Di: 0030
Di: 0010
S
S
S
0
1
2
3
D
0
1
2
3
D
0
1
2
3
D
0
1
2
3
D
C
: Control word
IR, SR, AR, DM, EM, TIM/CNT, HR, LR, #
S
:
First source word
IR, SR, AR, DM, EM, TIM/CNT, HR, LR
Ladder Symbols
Operand Data Areas
D
:
First destination word
IR, SR, AR, DM, EM, HR, LR
XFRB(
−−
)
C
S
D
@XFRB(
−−
)
C
S
D
