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Data Movement Instructions Section 3-8
Description MVN(022) inverts the bits in S and transfers the result to D. The content of S
is left unchanged.
Flags
Example When CIO 000000 is ON in the following example, the status of the bits in
CIO 0100 is inverted and the result is copied to D00100.
3-8-3 DOUBLE MOVE: MOVL(498)
Purpose Transfers two words of data to the specified words.
Ladder Symbol
Variations
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047, IR0 to –2048 to +2047, IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –) IR0 to, –(– –) IR15
Area S D
Destination word
Bit status
inverted.
Source word
Name Label Operation
Error Flag ER OFF
Equals Flag = ON if the content of D is 0000 after execution.
OFF in all other cases.
Negative Flag N ON if the leftmost bit of D is 1 after execution.
OFF in all other cases.
S
D
MOVL(498)
S: First source word
D: First destination word
Variations Executed Each Cycle for ON Condition MOVL(498)
Executed Once for Upward Differentiation @MOVL(498)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported