version 1.5, 2004/12/27 20:05:53
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version 1.6, 2004/12/28 17:27:24
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Line 79
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Line 79
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restore-cursor >r 2dup swap type r> ; |
restore-cursor >r 2dup swap type r> ; |
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: <u8ins> ( max span addr pos1 u8char -- max span addr pos2 ) |
: <u8ins> ( max span addr pos1 u8char -- max span addr pos2 ) |
>r >string over r@ u8len + swap move 2dup chars + r@ swap u8!+ drop |
>r 2over r@ u8len + u< IF rdrop bell EXIT THEN |
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>string over r@ u8len + swap move 2dup chars + r@ swap u8!+ drop |
r> u8len >r rot r@ chars + -rot r> chars + ; |
r> u8len >r rot r@ chars + -rot r> chars + ; |
: (u8ins) ( max span addr pos1 u8char -- max span addr pos2 ) |
: (u8ins) ( max span addr pos1 u8char -- max span addr pos2 ) |
<u8ins> .all .rest ; |
<u8ins> .all .rest ; |
: u8back ( max span addr pos1 -- max span addr pos2 f ) |
: u8back ( max span addr pos1 -- max span addr pos2 f ) |
dup IF over + u8<< over - 0 max .all .rest |
dup IF over + u8<< over - 0 max .all .rest |
ELSE #bell emit THEN 0 ; |
ELSE bell THEN 0 ; |
: u8forw ( max span addr pos1 -- max span addr pos2 f ) |
: u8forw ( max span addr pos1 -- max span addr pos2 f ) |
2 pick over <> IF over + u8@+ u8emit over - ELSE #bell emit THEN 0 ; |
2 pick over <> IF over + u8@+ u8emit over - ELSE bell THEN 0 ; |
: (u8del) ( max span addr pos1 -- max span addr pos2 ) |
: (u8del) ( max span addr pos1 -- max span addr pos2 ) |
over + dup u8<< tuck - >r over - |
over + dup u8<< tuck - >r over - |
>string over r@ + -rot move |
>string over r@ + -rot move |
Line 97
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Line 98
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: <u8del> ( max span addr pos1 -- max span addr pos2 0 ) |
: <u8del> ( max span addr pos1 -- max span addr pos2 0 ) |
2 pick over <> |
2 pick over <> |
IF u8forw drop (u8del) .all 2 spaces .rest |
IF u8forw drop (u8del) .all 2 spaces .rest |
ELSE #bell emit THEN 0 ; |
ELSE bell THEN 0 ; |
: u8eof 2 pick over or 0= IF bye ELSE <u8del> THEN ; |
: u8eof 2 pick over or 0= IF bye ELSE <u8del> THEN ; |
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: u8first-pos ( max span addr pos1 -- max span addr 0 0 ) |
: u8first-pos ( max span addr pos1 -- max span addr 0 0 ) |