Appendix AInstruction Set
543
Name, mnemonic, variations,
and symbol
PageOperand data
areas
Function
DOUBLE LOGICAL AND
ANDL, jANDL
(134)
ANDL I
1
I
2
R
Logically ANDs the contents of I
1
and I
1
+1
with the contents of I
2
and I
2
+1 and sets the
bits in the result words (R and R+1) if the
corresponding bits in the input words are both
ON.
I
1
:
CIO
G
A
T/C
#
DM
I
2
:
CIO
G
A
T/C
#
DM
R:
CIO
G
A
DM
344
DOUBLE LOGICAL OR
ORWL, jORWL
(135)
ORWL I
1
I
2
R
Logically ORs the contents of I
1
and I
1
+1 with
the contents of I
2
and I
2
+1 and sets the bits in
the result words (R and R+1) when one or
both of the corresponding bits in the input
words are ON.
I
1
:
CIO
G
A
T/C
#
DM
I
2
:
CIO
G
A
T/C
#
DM
R:
CIO
G
A
DM
345
DOUBLE EXCLUSIVE OR
XORL, jXORL
(136)
XORL I
1
I
2
R
Exclusively ORs the contents of I
1
and I
1
+1
with the contents of I
2
and I
2
+1 and sets the
bits in the result words (R and R+1) when the
corresponding bits in input words differ in
status.
I
1
:
CIO
G
A
T/C
#
DM
I
2
:
CIO
G
A
T/C
#
DM
R:
CIO
G
A
DM
346
DOUBLE EXCLUSIVE NOR
XNRL, jXNRL
(137)
XNRL I
1
I
2
R
Exclusively NORs the contents of I
1
and I
1
+1
with the contents of I
2
and I
2
+1 and sets the
bits in the result words (R and R+1) when the
corresponding bits in both input words have
the same status.
I
1
:
CIO
G
A
T/C
#
DM
I
2
:
CIO
G
A
T/C
#
DM
R:
CIO
G
A
DM
346
COMPLEMENT
COM, jCOM
(138)
COM Wd
Inverts the bit status of one word (Wd) of data,
changing 0s to 1s and 1s to 0s.
Wd Wd
Wd:
CIO
G
A
DM
DR
IR
347
DOUBLE COMPLEMENT
COML, jCOML
(139)
COML Wd
Inverts the bit status of two consecutive words
of data (Wd and Wd+1), changing 0s to 1s and
1s to 0s.
Wd and Wd+1 Wd and Wd+1
Wd:
CIO
G
A
DM
348
SQUARE ROOT
ROOT, jROOT
(140)
ROOT Sq R
Computes the square root of an 8-digit BCD
value (Sq and Sq+1) and outputs the
truncated 4-digit integer result to the specified
result word (R). Sq and Sq+1 must be in the
same data area.
Sq+1 Sq
R
Sq:
CIO
G
A
T/C
#
DM
R:
CIO
G
A
DM
DR
IR
323
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