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463
Symbol Math Instructions
Section 3-11
Flags
Precautions
When *L(421) is executed, the Error Flag will turn OFF.
If as a result of the multiplication, the content of R, R+1, R+2, R+3 is 0000
hex, the Equals Flag will turn ON.
If as a result of the multiplication, the content of the leftmost bit of R+1 is 1,
the Negative Flag will turn ON.
Examples
When CIO 000000 is ON in the following example, D00100, D00110, D00111,
and D00110 will be multiplied as 8-digit signed hexadecimal values and the
result will be output to D00121 and D00120.
3-11-19 UNSIGNED BINARY MULTIPLY: *U(422)
Purpose
Multiplies 4-digit unsigned hexadecimal data and/or constants.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
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.
*U(422)
R
Md
Mr
Md
: Multiplicand word
Mr
: Multiplier word
R
: Result word
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 0000 to CIO 6143
CIO 0000 to
CIO 6142
Work Area
W000 to W511
W000 to W510
Holding Bit Area
H000 to H511
H000 to H510
Auxiliary Bit Area
A000 to A959
A448 to A958
Timer Area
T0000 to T4095
T0000 to T4094
Содержание SYSMAC CS Series
Страница 2: ......
Страница 4: ...iv ...
Страница 30: ...xxx ...
Страница 186: ...146 List of Instructions by Function Code Section 2 4 ...
Страница 194: ...154 3 35 4 MOVE BIT MOVBC 568 1273 3 35 5 BIT COUNTER BCNTC 621 1275 3 35 6 GET VARIABLE ID GETID 286 1277 ...
Страница 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Страница 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Страница 1392: ...1352 ASCII Code Table Appendix A ...
Страница 1404: ...1364 Revision History ...