212
Comparison Instructions Section 3-6
Summary of Input Comparison Instructions
The following table shows the function codes, mnemonics, names, and func-
tions of the 72 input comparison instructions. (For one-word comparisons
C1=S
1
and C2=S
2
; for double comparisons C1=S
1
+1, S
1
and C2=S
2
+1, S
2
.)
Code Mnemonic Name Function
300 LD= LOAD EQUAL True if
C1 = C2
AND= AND EQUAL
OR= OR EQUAL
301 LD=L LOAD DOUBLE EQUAL
AND=L AND DOUBLE EQUAL
OR=L OR DOUBLE EQUAL
302 LD=S LOAD SIGNED EQUAL
AND=S AND SIGNED EQUAL
OR=S OR SIGNED EQUAL
303 LD=SL LOAD DOUBLE SIGNED EQUAL
AND=SL AND DOUBLE SIGNED EQUAL
OR=SL OR DOUBLE SIGNED EQUAL
305 LD<> LOAD NOT EQUAL True if
C1 ≠ C2
AND<> AND NOT EQUAL
OR<> OR NOT EQUAL
306 LD<>L LOAD DOUBLE NOT EQUAL
AND<>L AND DOUBLE NOT EQUAL
OR<>L OR DOUBLE NOT EQUAL
307 LD<>S LOAD SIGNED NOT EQUAL
AND<>S AND SIGNED NOT EQUAL
OR<>S OR SIGNED NOT EQUAL
308 LD<>SL LOAD DOUBLE SIGNED NOT EQUAL
AND<>SL AND DOUBLE SIGNED NOT EQUAL
OR<>SL OR DOUBLE SIGNED NOT EQUAL
310 LD< LOAD LESS THAN True if
C1 < C2
AND< AND LESS THAN
OR< OR LESS THAN
311 LD<L LOAD DOUBLE LESS THAN
AND<L AND DOUBLE LESS THAN
OR<L OR DOUBLE LESS THAN
312 LD<S LOAD SIGNED LESS THAN
AND<S AND SIGNED LESS THAN
OR<S OR SIGNED LESS THAN
313 LD<SL LOAD DOUBLE SIGNED LESS THAN
AND<SL AND DOUBLE SIGNED LESS THAN
OR<SL OR DOUBLE SIGNED LESS THAN
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