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PDP-10 Archives
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BB-H580E-SB_1985
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clrnam.mac
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; UPD ID= 618 on 11/21/74 at 3:32 PM
TITLE CLRNAM FOR COBOL V12C
SUBTTL TAKE SOME ENTRIES OUT OF NAMTAB AL BLACKINGTON/CAM
SEARCH COPYRT
SALL
COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1974, 1985
;ALL RIGHTS RESERVED.
;
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
;ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
SEARCH P
%%P==:%%P
;EDITS
;V10*****************
;NAME DATE COMMENTS
;********************
TWOSEG
.COPYRIGHT ;Put standard copyright statement in REL file
RELOC 400000
ENTRY CLRNAM
;IF THIS IS CALLED FROM PHASE B, ALL ID & ED ENTRIES CLEARED,
; OTHERWISE ALL DD ENTRIES CLEARED.
CLRNAM: MOVEI CP,1 ;SET CP TO THE TYPE TO CLEAR
MOVE LN,PHASEN
CAIE LN,"B"
MOVEI CP,2
MOVN LN,NM12SZ ;CREATE
MOVSS LN ; <XWD -NM12SZ,NM2LOC>
HRR LN,NM2LOC ; *
HRRZ DT,NAMLOC ;SET DT TO TOP OF NAMTAB
CLRNM1: SKIPN TA,(LN) ;IS NEXT NM2TAB ENTRY EMPTY?
JRST CLRNM2 ;YES
ADD TA,DT ;NO--GET FIRST WORD OF NAMTAB ENTRY
MOVE TB,(TA)
TLZN TB,NAMRSV/1000000; IS IT A RESERVED WORD?
JRST CLRNM2 ;NO
LDB TC,[POINT 3,TB,11]; YES--IS IT ONE WE WANT?
IFN ANS68,<
CAME TC,CP
JRST CLRNM2 ;NO
>
IFN ANS74,<
CAMN TC,CP
JRST CLRNM3 ;YES
CAIN TC,6 ;IN NEW SET?
CAIE CP,2 ;AND PHASE C
JRST CLRNM2 ;NO
HLRZ TC,TB ;GET RESERVED WORD TOKEN
CAIE TC,LNGCO. ;LINAGE-COUNTER
JRST CLRNM2 ;NO
CLRNM3:>
SETZM 0(TA) ;YES--CLEAR FIRST
SETOM 1(TA) ; TWO WORDS OF NAMTAB
MOVEI TC,1 ;SET SIZE OF ITEM
HRLM TC,(LN) ; TO ONE
CLRNM2: AOBJN LN,CLRNM1 ;LOOP UNTIL ALL OF NM2TAB IS PASSED
POPJ PP,
EXTERNAL NM2LOC,NAMLOC,NM12SZ,PHASEN
END