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14 lines
578 B
Plaintext
14 lines
578 B
Plaintext
: _blen ( buf -- length of str in buf )
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DUP BEGIN C@+ 0x20 < UNTIL -^ 1- ;
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: _rbufsz ( size of linebuf to the right of curpos )
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EDPOS @ 64 MOD 63 -^ ;
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: i COMPILE I ; IMMEDIATE ( save overshadowed )
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: _I ( I without _pln and _type. used in VE )
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_rbufsz IBUF _blen 2DUP > IF
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TUCK - ( ilen chars-to-move )
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SWAP EDPOS @ _cpos 2DUP + ( ctm ilen a a+ilen )
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3 PICK MOVE- ( ctm ilen ) NIP ( ilen )
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ELSE DROP 1+ ( ilen becomes rbuffsize+1 ) THEN
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DUP IBUF EDPOS @ _cpos ROT MOVE ( ilen ) EDPOS +! BLK!! ;
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: I IBUF _type _I EDPOS @ 64 / _pln ;
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