Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

468
Symbol Math Instructions Section 3-11
Description *B(424) multiplies the BCD content of Md and Mr and outputs the result to R,
R+1.
Flags
Precautions If Md and/or Mr are not BCD, an error will be generated and the Error Flag will
turn ON.
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 000000 is ON in the following example, D00100 and D00110 will
be multiplied as 4-digit BCD values and the result will be output to D00121
and D00120.
Constants #0000 to #9999
(BCD)
---
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
Area Md Mr R
R +1 R
(BCD)
(BCD)
(BCD)
×
Md
Mr
Name Label Operation
Error Flag ER ON when Md is not BCD.
ON when Mr is not BCD.
OFF in all other cases.
Equals Flag = ON when the result is 0.
OFF in all other cases.