Move Numerics (Mvn) - RCA 70/46 Reference Manual

Move Numerics
(MVN)
General Description
Format
(55)
Condition Code
Interrupt Action
Logical
Instructions
• The low-order four bits of each byte in the source operand specified by
the second address (BdD
2 )
are placed into the low-order four bits of the
corresponding byte of the destination operand specified by the first address
(B1/D 1 ) .
Dl
L
o
7 8
15 16 19 20 31 32 35 36
47
• Unchanged.
• Address error:
Addressing.
Protection.
Notes •
1. The numerics are not changed or checked for validity.
2. The operand specified by the second address is not altered, unless
operands overlap.
3. Processing is from left to right.
4. The high-order four bits of the source and destination operand bytes
are not altered.
5. The operand fields may overlap in any way and may be variable
in length.
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