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e83d5073ba
When reaching the end of the buffer when typing in IBUF or FBUF, stop typing instead of overflowing.
11 lines
443 B
Plaintext
11 lines
443 B
Plaintext
: pos! ( newpos -- ) EDPOS @ PREVPOS !
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DUP 0< IF DROP 0 THEN 1023 MIN EDPOS ! ;
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: setpos ( -- ) EDPOS @ 64 /MOD
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3 + ( header ) SWAP 3 + ( gutter ) SWAP AT-XY ;
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: cmv ( n -- , char movement ) acc@ * EDPOS @ + pos! ;
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: buftype ( buf ln -- )
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3 OVER AT-XY C< DUP 0xd = IF 2DROP DROP EXIT THEN
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( buf ln c ) 63 nspcs SWAP 4 SWAP AT-XY ( buf c )
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SWAP DUP _zbuf C!+ DUP 63 + SWAP DO
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C< DUP 0x0d = IF LEAVE THEN i C! LOOP ;
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