Omron CJ - REFERENCE MANUAL 10-2009 Reference Manual page 404

3. Instructions
*B/*BL
Instruction
BCD MULTIPLY
DOUBLE BCD MULTIPLY
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
*B: Multiplicand word
Md
*BL: First multiplicand word
*B: Multiplier word
Mr
*BL: First multiplier word
R First result word
Operand Specifications
Area
CIO WR HR
Md, Mr
*B OK OK OK
R
Md, Mr
*BL OK OK OK
R
Flags
Name
Error Flag ER
Equals Flag =
366
Mnemonic Variations
*B @*B
*BL @*BL
*B
*B(424)
Md Md: Multiplicand word
Mr Mr: Multiplier word
R R: Result word
Block program areas Step program areas
OK OK
Description
Word addresses
AR T C DM EM
OK OK OK OK OK
OK OK OK OK OK
Label
• ON when Md is not BCD.
• ON when Mr is not BCD.
• OFF in all other cases.
• ON when the result is 0.
• OFF in all other cases.
Function
code
Multiplies 4-digit (single-word) BCD data and/or
424
constants.
Multiplies 8-digit (double-word) BCD data and/or
425
constants.
Subroutines
OK
Data type
*B *BL
WORD DWORD
WORD DWORD
DWORD LWORD
Indirect
DM/EM Registers
Con-
addresses
stants
@DM *DM
DR
@EM *EM
OK OK
OK OK
--- ---
OK
OK OK ---
---
Operation
*B
• ON when Md and/or Md+1 are not BCD.
• ON when Mr and/or Mr +1 are not BCD.
• OFF in all other cases.
• ON when the result is 0.
• OFF in all other cases.
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Function
*BL
*BL(425)
Md Md: 1st multiplicand word
Mr Mr: 1st multiplier word
R R: 1st result word
SFC action or
Interrupt tasks
transition programs
OK OK
Size
*B *BL
1 2
1 2
2 4
Pulse
TK CF
bits
Indirect
IR
using IR
--- OK --- --- ---
--- OK --- --- ---
*BL
TR
bits
---
---