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decuslib10-05
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43,50337/23/sixbit.mac
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COMMENT * SIMULA specification;
OPTIONS(/E:QUICK,sixbit);
INTEGER PROCEDURE sixbit(t); text t;
COMMENT Convert at most 6 characters from t to sixbit;
!*;! MACRO-10 code !*;!
TITLE sixbit
ENTRY sixbit
SUBTTL SIMULA utility, Lars Enderin Oct 1977
;!*** Copyright 1977 by the Swedish Defence Research Institute. ***
;!*** Copying is allowed. ***
sall
search simmac,simmcr,simrpa
macinit
;! Local definitions ;!
t==<result==XWAC1>
sixbit: PROC
EXCH XWAC1,(XTAC)
EXCH XWAC2,1(XTAC)
JUMPE XWAC1,L9
LF ,ZTVSP(,XWAC1)
IF JUMPE FALSE
THEN IDIVI 5
ADD [POINT 7,2
POINT 7,2,6
POINT 7,2,13
POINT 7,2,20
POINT 7,2,27](X1)
ST X1
ELSE
L X1,[POINT 7,2]
FI
ADDI X1,(XWAC1)
SETZ XWAC1,
L XIAC,[POINT 6,XWAC1]
LF XWAC2,ZTVLNG(,XWAC1)
CAILE XWAC2,6
LI XWAC2,6
SETZ XWAC1,
LOOP
ILDB X1
SUBI 40
CAIL 100
SUBI 40
SKIPGE
SETZ
IDPB XIAC
AS
SOJG XWAC2,TRUE
SA
L9():! EXCH XWAC2,1(XTAC)
EXCH XWAC1,(XTAC)
RET
EPROC
LIT
END;