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The digits of Di are set as shown below.
Specifies the first digit to receive converted data
16-to-4: 0 to 3
256-to-8: 0 or 1
Number of digits to be converted
16-to-4: 0 to 3 (1 to 4 digits)
256-to-8: 0 or 1 (1 or 2 digits)
Encoding bit
0: Leftmost bit
1: Rightmost bit
Process
0: 16-to-4
1: 256-to-8
Digit number:
3
2
1
0
Some example Di values and the word-to-digit conversions that they produce
are shown below for 16-bit conversion.
0
1
2
3
R
Di: 0011
S
S + 1
0
1
2
3
S
S + 1
S + 2
S + 3
Di: 0030
R
S
S + 1
S + 2
S + 3
0
1
2
3
Di: 0032
R
Di: 0013
0
1
2
3
S
S + 1
R
Some example Di values and the digit-to-word conversions that they produce
are shown below for 256-bit conversion.
0
1
R
R + 1
etc.
R+15
R+16
R+17
etc.
R+31
S
Di: 1011
Di: 1010
0
1
R
R + 1
etc.
R+15
R+16
R+17
etc.
R+31
S
The rightmost two digits of Di must each be between 0 and 3.
All source words must be in the same data area. DMPX(111) requires either 4 or
32 source words, depending on the type of conversion performed.
Note Refer to page 101 for general precautions on operand data areas.
Flags
ER (A50003):
Content of
*
DM word is not BCD when set for BCD.
Improper digit designator.
Content of a source word is 0.
Digit Designator
Precautions
Conversion Instructions
Section 5-17
Содержание CVM1D
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