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The Original Shareware 1.1
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The Original Shareware (WeMake CDs)(Volume 1.1)(CDs, Inc)(1993).iso
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fpc103.zip
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BOOKMARK.SEQ
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1988-03-01
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\ BOOKMARK.SEQ Mark your place in a file, to come back to.
comment:
Jerry Modrow had a bright idea that it would be nice to be able to
mark your place in a file, such that you could go back to that place
at a later time after having done a VIEW. This is an implimentation
of that concept.
comment;
5 constant #marks
create markhandles #marks b/hcb * allot
create marklines #marks 2* allot
: clr_marks ( --- ) \ Clear the Book Marks
markhandles #marks 0
do dup clr-hcb b/hcb +
loop drop
marklines #marks 2* erase ;
clr_marks \ Initialize Book Marks to empty
: mark_init ( --- ) \ Clear Book Marks at Cold Start time
defers initstuff
clr_marks ;
' mark_init is initstuff
: makemarkset ( n1 --- ) \ Creates the Set Mark words
dup #marks >= abort" No more room to create marks!"
create ,
does> @ dup 2* marklines + loadline @ swap !
b/hcb * markhandles + shndl @ swap b/hcb cmove ;
0 makemarkset m1 \ Three Book Marks for now
1 makemarkset m2
2 makemarkset m3
3 makemarkset m4
4 makemarkset m5
: returntomark ( n1 --- ) \ Creates the Back to Mark words
dup #marks >= abort" No more room to create marks!"
create ,
does> @ dup b/hcb * markhandles +
dup >hndle @ 0 < abort" No Mark to return to."
$hopen abort" Error going back to Mark!"
2* marklines + @ loadline ! ;
0 returntomark bm1 \ Three Back to Mark words
1 returntomark bm2
2 returntomark bm3
3 returntomark bm4
4 returntomark bm5