390
Symbol Math Instructions
Section 3-11
Operand Specifications
Description
–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.
Flags
Area
Mi
Su
R
CIO Area
CIO 0000 to CIO 6142
Work Area
W000 to W510
Holding Bit Area
H000 to H510
Auxiliary Bit Area
A000 to A958
A448 to A958
Timer Area
T0000 to T4094
Counter Area
C0000 to C4094
DM Area
D00000 to D32766
EM Area without bank
E00000 to E32766
EM Area with bank
En_00000 to En_32766
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants
#00000000 to #FFFFFFFF
(binary)
---
Data Registers
---
Index Registers
IR0 to IR15
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
Mi+1
Su+1
R+1
CY
−
Mi
Su
R
(Signed binary)
(Signed binary)
(Signed binary)
CY will turn
ON when there
is a borrow.
Name
Label
Operation
Error Flag
ER
OFF
Equals Flag
=
ON when the result is 0.
OFF in all other cases.
Carry Flag
CY
ON when the subtraction results in a borrow.
OFF in all other cases.
Overflow Flag
OF
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.
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...