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PDP-10 Archives
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decuslib10-05
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43,50337/23/bitget.mac
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COMMENT * SIMULA specification;
OPTIONS(/E:QUICK,bitget);
BOOLEAN PROCEDURE bitget(w,n); INTEGER w,n;
COMMENT TRUE if bit 36-n in w is 1;
!*;! MACRO-10 code !*;!
TITLE bitget
ENTRY bitget
SUBTTL SIMULA utility, Lars Enderin Feb 1977
;!*** Copyright 1977 by the Swedish Defence Research Institute. ***
;!*** Copying is allowed. ***
sall
search simmac,simmcr,simrpa
macinit
;! Local definitions ;!
w==X0
n==X1
bitget: PROC
MOVSI n,(1B0)
ROT n,@1(XTAC)
SETZ
EXCH (XTAC)
TDNE n
SETOM (XTAC)
RETURN
EPROC
LIT
END;