Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 483

Symbol Math Instructions
Operand Specifications
Description
Flags
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
Indirect DM/EM
addresses in BCD
Constants
Data Registers
Index Registers
Indirect addressing
using Index Registers
–L(411) subtracts the binary values in Su and Su+1 from Mi and Mi+1 and
outputs the result to R, R+1. When the result is negative, it is output to R and
R+1 as a 2's complement.
Mi+1
Su+1
−
CY will turn
CY
ON when there
is a borrow.
Name Label
Error Flag ER
Equals Flag =
Carry Flag CY
Overflow Flag OF
Mi
CIO 0000 to CIO 6142
W000 to W510
H000 to H510
A000 to A958
T0000 to T4094
C0000 to C4094
D00000 to D32766
E00000 to E32766
En_00000 to En_32766
(n = 0 to C)
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
#00000000 to #FFFFFFFF
(binary)
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IR0 to IR15
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
(Signed binary)
Mi
(Signed binary)
Su
(Signed binary)
R+1 R
Operation
OFF
ON when the result is 0.
OFF in all other cases.
ON when the subtraction results in a borrow.
OFF in all other cases.
ON when the result of subtracting a negative number
from a positive number is in the range 80000000 to
FFFFFFFF hex.
OFF in all other cases.
Section 3-11
Su R
A448 to A958
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