version 1.11, 2006/03/25 18:37:16
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version 1.12, 2006/03/26 22:54:20
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Line 23 require ./io.fs
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Line 23 require ./io.fs
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\ : xon $11 emit ; |
\ : xon $11 emit ; |
\ : xoff $13 emit ; |
\ : xoff $13 emit ; |
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Variable eof |
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Variable echo -1 echo ! |
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: accept ( adr len -- len ) |
: accept ( adr len -- len ) |
( xon ) over + over ( start end pnt ) |
( xon ) over + over ( start end pnt ) eof off |
BEGIN |
BEGIN |
key dup #del = IF drop #bs THEN |
key dup #del = IF drop #bs THEN |
dup bl u< |
dup bl u< |
IF dup #cr = over #lf = or IF space drop nip swap - ( xoff ) EXIT THEN |
IF |
#bs = IF 3 pick over <> over 0> and |
dup #cr = over #lf = or IF |
IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN |
echo @ IF space THEN drop nip swap - ( xoff ) EXIT THEN |
ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN |
dup #eof = IF eof on THEN |
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#bs = IF 3 pick over <> over 0> and |
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IF 1 chars - |
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echo @ IF #bs emit bl emit #bs emit THEN |
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ELSE echo @ IF bell THEN THEN THEN |
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ELSE >r 2dup <> IF r> |
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echo @ IF dup emit THEN |
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over c! char+ ELSE r> drop bell THEN |
THEN |
THEN |
AGAIN ; |
AGAIN ; |
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