Instruction Set
Name, mnemonic, variations,
and symbol
DOUBLE BINARY SUBTRACT
SBBL, jSBBL
(085)
SBBL
Mi
Su
DOUBLE BINARY MULTIPLY
MLBL, jMLBL
(086)
MLBL Md
Mr
DOUBLE BINARY DIVIDE
DVBL, jDVBL
(087)
DVBL
Dd
Dr
INCREMENT BCD
INC, jINC
(090)
INC
Wd
DECREMENT BCD
DEC, jDEC
(091)
DEC
Wd
INCREMENT BINARY
INCB, jINCB
(092)
INCB
Wd
536
Subtracts both the 8-digit hexadecimal
subtrahend and the content of CY from an
8-digit hexadecimal minuend and outputs the
result to the specified result words. All words
for any one operand must be in the same data
R
area. The Carry Flag will be set to indicate a
negative result.
–
–
CY
Multiplies the 8-digit hexadecimal multiplicand
and 8-digit hexadecimal multiplier and outputs
the result to the specified result words. All
words for any one operand must be in the
same data area.
R
X
R+3
R+2
Divides the 8-digit hexadecimal dividend by an
8-digit hexadecimal divisor and outputs the
result to the specified result words. All words
for any one operand must be in the same data
area.
R
Quotient
Remainder
Increments the value of a 4-digit BCD word
(Wd) by one, without affecting carry (CY).
Decrements the value of a 4-digit BCD word
(Wd) by one, without affecting carry (CY).
Increments the value of a 4-digit hexadecimal
word (Wd) by one, without affecting carry
(CY).
Function
Mi+1
Mi
Su+1
Su
CY
R+ 1
R
Md+1
Md
Mr+1
Md
R+1
R
Dd+1
Dd
Dr+1
Dr
R+1
R
R+3
R+2
Appendix A
Operand data
Page
areas
Mi:
Su:
R:
268
CIO
CIO
CIO
G
G
G
A
A
A
T/C
T/C
DM
#
#
DR
DM
DM
IR
Md:
Mr:
R:
269
CIO
CIO
CIO
G
G
G
A
A
A
T/C
T/C
DM
#
#
DM
DM
Dd:
Dr:
R:
270
CIO
CIO
CIO
G
G
G
A
A
A
T/C
T/C
DM
#
#
DM
DM
Wd:
314
CIO
G
A
DM
DR
IR
Wd:
314
CIO
G
A
DM
DR
IR
Wd:
315
CIO
G
A
DM
DR
IR