377
Symbol Math Instructions Section 3-10
If as a result of the multiplication, the content of R, R+1 is 0000 hex, the
Equals Flag will turn ON.
Examples When CIO 0.00 is ON in the following example, D100 and D110 will be multi-
plied as 4-digit BCD values and the result will be output to D121 and D120.
3-10-22 DOUBLE BCD MULTIPLY: *BL(425)
Purpose Multiplies 8-digit (double-word) BCD data and/or constants.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
0.00
D100
D110
D120
*BL(425)
R
Md
Mr
Md: 1st multiplicand word
Mr: 1st multiplier word
R: 1st result word
Variations Executed Each Cycle for ON Condition *BL(425)
Executed Once for Upward Differentiation @*BL(425)
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 6142 CIO 0 to
CIO 6140
Work Area W0 to W510 W0 to W508
Holding Bit Area H0 to H510 H0 to H508
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 #99999999 (BCD) ---
Data Registers ---
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