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Symbol Math Instructions
Description
Flags
Precautions
Examples
468
Area
Constants
Data Registers
Index Registers
Indirect addressing
using Index Registers
*B(424) multiplies the BCD content of Md and Mr and outputs the result to R,
R+1.
Md
×
Mr
R +1
R
Name
Label
Error Flag
ER
Equals Flag
=
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.
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.
Md
#0000 to #9999
(BCD)
DR0 to DR15
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,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
(BCD)
(BCD)
(BCD)
Operation
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.
Section 3-11
Mr
R
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