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PDP-10 Archives
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decuslib10-05
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43,50337/23/idsixb.mac
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COMMENT * SIMULA specification;
OPTIONS(/E:CODE,idsixbit);
TEXT PROCEDURE idsixbit(id6a,id6b); INTEGER id6a,id6b;
COMMENT Converts the two words id6a,id6b to a 12-character text (ASCII).
The result is Strip of this identifier.
;
!*;! MACRO-10 code !*;!
TITLE idsixbit
ENTRY idsixbit
SUBTTL SIMULA utility, Lars Enderin April 1976
;!*** Copyright 1976 by the Swedish Defence Research Institute. ***
;!*** Copying is allowed. ***
sall
search simmac,simmcr,simrpa
macinit
;! Local definitions ;!
id6a==4
id6b==5
result==2
bp==XWAC3
xret==XWAC5
len==XWAC6
idsixbit:
PROC
SKIPN id6a(XCB)
BRANCH CSEP
LI XWAC1,^d12
EXEC TXBL
Z
SETZ len,
LI bp,2(XWAC1) ;! Make byte pointer
HRLI bp,(POINT 7,)
L X1,id6a(XCB)
JSP xret,convert
L X1,id6b(XCB)
JSP xret,convert
SF len,ZTVLNG(,XWAC1)
STD XWAC1,result(XCB)
BRANCH CSEP
EPROC
convert:PROC
JUMPE X1,(xret)
LOOP
SETZ
LSHC 6
ADDI 40
IDPB bp
ADDI len,1
AS
JUMPN X1,TRUE
SA
BRANCH (xret)
EPROC
LIT
END;