Trailing-Edge
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PDP-10 Archives
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decus_20tap1_198111
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decus/20-0003/passtr.mac
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title PASSTR - string I/O for pascal
twoseg
search pasunv,monsym
extern getchr,illfn,getlnx,putlnx,putpgx,clofil,norchx
entry stset.,stwr.
reloc 400000
filbct==30 ;count left
filbpt==27 ;byte ptr
filfps==26 ;first position - for getindex only
strnt: exp 7b5,strget,strput,getlnx,putlnx,0,.+1
exp illfn,illfn,putpgx,illfn,illfn,cpopj,cpopj,cpopj
strget: sosge filbct(b)
jrst strend
ildb a,filbpt(b)
jumpe a,strget
jrst getchr
strput: sosge filbct(b)
jrst strend
move a,filcmp(b)
idpb a,filbpt(b)
cpopj: popj p,
stset.: movei a,0 ;normal eof
pushj p,stropn
jrst @filget(b)
stwr.: movei a,1 ;normal eof
;jrst stropn
stropn: movem a,fileof(b)
trc a,1
movem a,filbad(b)
move t,[xwd 1,norchx##] ;assume no lower case mapping
movem t,filcht(b)
skipe filclo(b) ;any closing needed?
pushj p, [ setz c, ;yes - do it
jrst clofil]
movei t,fl%fme ;allow format error
movem t, filflg(b)
hrri t,filr11(b)
hrli t,strnt+1
blt t,filr99(b) ;put in dispatch
popj p,
strend: move t,filbad(b)
movem t,fileof(b)
movem t,fileol(b)
setzm filcmp(b)
movei t,iox4
movem t,filerr(b)
popj p,
end