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99 lines
2.9 KiB
Plaintext
99 lines
2.9 KiB
Plaintext
.TITLE SKIPS. PLM RUNTIME LIBRARY: SKIPB, ET AL.
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;-----------------------------------------------------------------------
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;
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; D I S C L A I M E R N O T I C E
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; ------------------- -----------
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;
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; This document and/or portions of the material and data furnished
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; herewith, was developed under sponsorship of the U. S. Government.
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; Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
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; University, nor their employees, nor their respective contractors,
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; subcontractors, or their employees, makes any warranty, express or
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; implied, or assumes any liability or responsibility for accuracy,
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; completeness or usefulness of any information, apparatus, product
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; or process disclosed, or represents that its use will not infringe
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; privately-owned rights. Mention of any product, its manufacturer,
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; or suppliers shall not, nor is it intended to, imply approval, dis-
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; approval, or fitness for any particular use. The U. S. and the
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; University at all times retain the right to use and disseminate same
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; for any purpose whatsoever. Such distribution shall be made by the
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; National Energy Software Center at the Argonne National Laboratory
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; and only subject to the distributee furnishing satisfactory proof
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; that he has a valid license from the Intel Corporation in effect.
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;
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;-----------------------------------------------------------------------
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.PSECT PLMRUN_CODE,RD,NOWRT,EXE,GBL,CON,LONG
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;
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; W = SKIPB(SOURCE,TARGET,COUNT)
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;
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SOURCE=4 ; POINTER.
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TARGET=8 ; BYTE OR WORD.
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COUNT=12 ; WORD.
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SKIPB.L::
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SKIPB.S::
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.ENTRY SKIPB.,^M<>
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SKPC TARGET(AP),COUNT(AP),@SOURCE(AP)
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BNEQ 1$
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DECW R0 ; ENTIRE STRING SKIPPED: RETURN 0FFFFH.
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RET
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1$: SUBW3 R0,COUNT(AP),R0 ; NON-MATCH FOUND: RETURN STRING INDEX.
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RET
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;
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; W = SKIPRB(SOURCE,TARGET,COUNT)
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;
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SKIPRB.L::
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SKIPRB.S::
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.ENTRY SKIPRB.,^M<R3>
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MOVZWL COUNT(AP),R0
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BEQL 3$ ; ENTIRE STRING SKIPPED IF LENGTH=0.
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ADDL3 R0,SOURCE(AP),R1
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MOVB TARGET(AP),R3
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2$: CMPB R3,-(R1)
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BNEQ 3$
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SOBGTR R0,2$
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3$: DECW R0 ; RETURN INDEX OF LAST NON-MATCH.
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RET ; (0FFFFH IF ALL MATCHED.)
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;
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; W = SKIPW(SOURCE,TARGET,COUNT)
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;
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SKIPW.L::
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SKIPW.S::
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.ENTRY SKIPW.,^M<R3>
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MOVZWL COUNT(AP),R0
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BEQL 3$ ; ENTIRE STRING SKIPPED IF LENGTH=0.
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MOVL SOURCE(AP),R1
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MOVW TARGET(AP),R3
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2$: CMPW R3,(R1)+
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BNEQ 4$
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SOBGTR R0,2$
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3$: DECW R0 ; ENTIRE STRING SKIPPED: RETURN 0FFFFH.
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RET
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4$: SUBW3 R0,COUNT(AP),R0 ; NON-MATCH FOUND: RETURN STRING INDEX.
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RET
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;
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; W = SKIPRW(SOURCE,TARGET,COUNT)
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;
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SKIPRW.L::
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SKIPRW.S::
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.ENTRY SKIPRW.,^M<R3>
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MOVZWL COUNT(AP),R0
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BEQL 3$ ; ENTIRE STRING SKIPPED IF LENGTH=0.
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ADDL3 R0,SOURCE(AP),R1
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ADDL2 R0,R1
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MOVW TARGET(AP),R3
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2$: CMPW R3,-(R1)
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BNEQ 3$
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SOBGTR R0,2$
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3$: DECW R0 ; RETURN INDEX OF LAST NON-MATCH.
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RET ; (0FFFFH IF ALL MATCHED.)
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.END
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