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Instruction
Mnemonic
SIGNED
*
BINARY MUL-
TIPLY
DOUBLE
*L
SIGNED
BINARY MUL-
TIPLY
BCD MULTI-
*B
PLY
DOUBLE BCD
*BL
MULTIPLY
SIGNED
/
BINARY
DIVIDE
DOUBLE
/L
SIGNED
BINARY
DIVIDE
BCD DIVIDE
/B
CP1E CPU Unit Software User's Manual(W480)
Variations
Symbol/Operand
@
*(420)
Md
Mr
R
Md: Multiplicand word
Mr: Multiplier word
R: Result word
@
*L(421)
Md
Mr
R
Md: 1st multiplicand word
Mr: 1st multiplier word
R: 1st result word
@
*B(424)
Md
Mr
R
Md: Multiplicand word
Mr: Multiplier word
R: Result word
@
*BL(425)
Md
Mr
R
Md: 1st multiplicand word
Mr: 1st multiplier word
R: 1st result word
@
/(430)
Dd
Dr
R
Dd: Dividend word
Dr: Divisor word
R: Result word
@
/L(431)
Dd
Dr
R
Dd: 1st dividend word
Dr: 1st divisor word
R: 1st result word
@
/B(434)
Dd
Dr
R
Dd: Dividend word
Dr: Divisor word
R: Result word
Function
Multiplies 4-digit signed hexadecimal data and/or constants.
(Signed binary)
Md
(Signed binary)
Mr
(Signed binary)
R +1
R
Multiplies 8-digit signed hexadecimal data and/or constants.
Md + 1
Mr + 1
R + 3
R + 2
R + 1
Multiplies 4-digit (single-word) BCD data and/or constants.
(BCD)
Md
(BCD)
Mr
(BCD)
R +1
R
Multiplies 8-digit (double-word) BCD data and/or constants.
Md + 1
Mr + 1
R + 3
R + 2
R + 1
Divides 4-digit (single-word) signed hexadecimal data and/or con-
stants.
(Signed binary)
Dd
÷
(Signed binary)
Dr
(Signed binary)
R +1
R
Remainder
Quotient
Divides 8-digit (double-word) signed hexadecimal data and/or con-
stants.
Dd + 1
÷
Dr + 1
R + 3
R + 2
R + 1
Remainder
Quotient
Divides 4-digit (single-word) BCD data and/or constants.
(BCD)
Dd
(BCD)
÷
Dr
(BCD)
R +1
R
Remainder
Quotient
Appendices
Md
(Signed binary)
(Signed binary)
Mr
(Signed binary)
R
(BCD)
Md
(BCD)
Mr
R
(BCD)
(Signed binary)
Dd
Dr
(Signed binary)
R
(Signed binary)
A-21
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