381
Symbol Math Instructions Section 3-10
Description /L(431) divides the signed binary values in Dd and Dd+1 by those in Dr and
Dr+1 and outputs the result to R, R+1, R+2, and R+3. The quotient is output
to R and R+1 and the remainder is output to R+2 and R+3.
Flags
Precautions When the remainder of the result, R+3, R+2 is 0,the Error Flag will turn ON.
If as a result of the division, the content of R+1, R is 00000000 hex, the
Equals Flag will turn ON.
If as a result of the division, the content of the leftmost bit of R+1, R is 1, the
Negative Flag will turn ON.
Auxiliary Bit Area A0 to A958 A448 to A956
Timer Area T0000 to T4094 T0000 to T4092
Counter Area C0000 to C4094 C0000 to C4092
DM Area D0 to D32766 D0 to D32764
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants #00000000 to
#FFFFFFFF
(binary)
&0 to
&4294967295
(unsigned deci-
mal)
−2147483647 to
2147483647
(signed decimal)
#00000001 to
#FFFFFFFF
(binary)
&1 to
&4294967295
(unsigned deci-
mal)
−2147483648 to
−1, 1 to
2147483647
(signed decimal)
---
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 Dd Dr R
R + 1 RR + 3
R + 2
÷
Dd + 1 Dd
Dr + 1 Dr
Remainder
(Signed binary)
(Signed binary)
(Signed binary)
Quotient
Name Label Operation
Error Flag ER ON when the result is 0.
OFF in all other cases.
Equals Flag = ON when as a result of the division, R+1, R is 0.
OFF in all other cases.
Negative Flag N ON when the leftmost bit of the R+1, R is 1.
OFF in all other cases.
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