373
Symbol Math Instructions Section 3-10
Variations
Applicable Program Areas
Operand Specifications
Description *U(420) multiplies the binary values in Md and Mr and outputs the result to R,
R+1.
Flags
Precautions When *U(422) is executed, the Error Flag will turn OFF.
Variations Executed Each Cycle for ON Condition *U(422)
Executed Once for Upward Differentiation @*U(422)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area Md Mr R
CIO Area CIO 0 to CIO 6143 CIO 0 to
CIO 6142
Work Area W0 to W511 W0 to W510
Holding Bit Area H0 to H511 H0 to H510
Auxiliary Bit Area A0 to A959 A448 to A958
Timer Area T0000 to T4095 T0000 to T4094
Counter Area C0000 to C4095 C0000 to C4094
DM Area D0 to D32767 D0 to D32766
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants #0000 to #FFFF (binary)
&0 to &65535 (unsigned decimal)
---
Data Registers DR0 to DR15 ---
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
R + 1 R
Md
Mr
(Unsigned binary)
(Unsigned binary)
(Unsigned binary)
×
Name Label Operation
Error Flag ER OFF
Equals Flag = ON when the result is 0.
OFF in all other cases.
Negative Flag N ON when the leftmost bit of the result is 1.
OFF in all other cases.
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