54
Instruction Functions Section 2-2
DOUBLE BCD
SUBTRACT
WITH CARRY
–BCL
@–BCL
417
Output
Required
457
SIGNED BINARY
MULTIPLY
*
@*
420
Output
Required
459
DOUBLE
SIGNED BINARY
MULTIPLY
*L
@*L
421
Output
Required
461
UNSIGNED
BINARY
MULTIPLY
*U
@*U
422
Output
Required
463
DOUBLE
UNSIGNED
BINARY
MULTIPLY
*UL
@*UL
423
Output
Required
465
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
−BCL(417)
Mi
Su
R
Mi: 1st minuend
word
Su: 1st
subtrahend word
R: 1st result word
R+1
CY
RCY
(BCD)
(BCD)
(BCD)
−
Mi +1
Su+1
Mi
Su
Subtracts 8-digit (double-word) BCD data and/or constants with the
Carry Flag (CY).
CY will turn ON
when there is a
borrow.
*(420)
R
Md
Mr
Md: Multiplicand
word
Mr: Multiplier
word
R: Result word
R +1 R
Md
Mr
Multiplies 4-digit signed hexadecimal data and/or constants.
(Signed binary)
(Signed binary)
(Signed binary)
×
Md
Mr
Md: 1st
multiplicand word
Mr: 1st multiplier
word
R: 1st result word
*L(421)
R
R + 1 RR + 3 R + 2
×
Md + 1
Mr + 1
Md
Mr
(Signed binary)
(Signed binary)
(Signed binary)
Multiplies 8-digit signed hexadecimal data and/or constants.
*U(422)
R
Md
Mr
Md: Multiplicand
word
Mr: Multiplier
word
R: Result word
R +1 R
×
Md
Mr
Multiplies 4-digit unsigned hexadecimal data and/or constants.
(Unsigned binary)
(Unsigned binary)
(Unsigned binary)
*UL(423)
R
Md
Mr
Md: 1st
multiplicand word
Mr: 1st multiplier
word
R: 1st result word
R + 1 RR + 3 R + 2
Md + 1
Mr + 1
Md
Mr
(Unsigned binary)
(Unsigned binary)
(Unsigned binary)
Multiplies 8-digit unsigned hexadecimal data and/or constants.
×
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