337
Data Movement Instructions Section 3-8
Description MVNL(499) inverts the bits in S+1 and S and transfers the result to D+1 and
D. The contents of S+1 and S are left unchanged.
Flags
Examples When CIO 000000 is ON in the following example, the status of the bits in
D00101 and D00100 are inverted and the result is copied to D00201 and
D00200. (The original contents of D00101 and D00100 are left unchanged.)
3-8-5 MOVE BIT: MOVB(082)
Purpose Transfers the specified bit.
Ladder Symbol
Data Registers ---
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
S DS+1 D+1
Bit status
inverted.
Name Label Operation
Error Flag ER OFF
Equals Flag = ON if the contents of D+1 and D are 0000 0000 after exe-
cution.
OFF in all other cases.
Negative Flag N ON if the leftmost bit of D+1 is 1 after execution.
OFF in all other cases.
S
C
D
MOVB(082)
S: Source word or data
C: Control word
D: Destination word
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