Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 488

Binary Calculation Instructions
7-22-3 BINARY MULTIPLY – MLB(52)
Limitations
Description
Flags
7-22-4 BINARY DIVIDE – DVB(53)
Limitations
Description
470
Ladder Symbols
MLB(52) @MLB(52)
Md
Mr
R
DM 6144 to DM 6655 cannot be used for R.
MLB(52) cannot be used to multiply signed binary data.
When the execution condition is OFF, MLB(52) is not executed. When the
execution condition is ON, MLB(52) multiplies the content of Md by the contents
of Mr, places the rightmost four digits of the result in R, and places the leftmost
four digits in R+1.
Indirectly addressed DM word is non-existent. (Content of *DM word is
ER:
not BCD, or the DM area boundary has been exceeded.)
EQ: ON when the result is 0.
Ladder Symbols
DVB(53) @DVB(53)
Dd
Dr
R
DM 6144 to DM 6655 cannot be used for R.
DVB(53) cannot be used to divide signed binary data.
When the execution condition is OFF, DVB(53) is not executed. When the
execution condition is ON, DVB(53) divides the content of Dd by the content of
Dr and the result is placed in R and R+1: the quotient in R, the remainder in R+1.
Dr
Md: Multiplicand word (binary)
IR, SR, AR, DM, HR, TC, LR, #
Mr: Multiplier word (binary)
Md
IR, SR, AR, DM, HR, TC, LR, #
Mr
R
Md
X
Mr
R +1 R
Dd: Dividend word (binary)
IR, SR, AR, DM, HR, TC, LR, #
Dd
IR, SR, AR, DM, HR, TC, LR, #
Dr
R
Quotient Remainder
R R + 1
Dd
Section 7-22
Operand Data Areas
R: First result word
IR, SR, AR, DM, HR LR
Operand Data Areas
Dr: Divisor word (binary)
R: First result word
IR, SR, AR, DM, HR LR