2020-10-28 18:06:58 -04:00
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: BLK! ( -- )
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BLK> @ BLK!* @ EXECUTE
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0 BLKDTY ! ;
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: FLUSH BLKDTY @ IF BLK! THEN ;
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: BLK@ ( n -- )
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DUP BLK> @ = IF DROP EXIT THEN
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FLUSH DUP BLK> ! BLK@* @ EXECUTE ;
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: BLK!! 1 BLKDTY ! ;
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: WIPE BLK( 1024 0 FILL BLK!! ;
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: WIPED? ( -- f )
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1 ( f ) BLK) BLK( DO
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I C@ IF DROP 0 ( f ) LEAVE THEN LOOP ;
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: COPY ( src dst -- )
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FLUSH SWAP BLK@ BLK> ! BLK! ;
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