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17 lines
462 B
Plaintext
17 lines
462 B
Plaintext
: MOVEW ( src dst u -- )
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( u ) 0 DO
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SWAP DUP I 1 LSHIFT + A@ ( dst src x )
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ROT TUCK I 1 LSHIFT + ( src dst x dst )
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A! ( src dst )
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LOOP 2DROP ;
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: PREV 3 - DUP @ - ;
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: [entry] ( w -- )
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C@+ ( w+1 len ) TUCK MOVE, ( len )
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( write prev value )
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H@ CURRENT @ - ,
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C, ( write size )
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H@ CURRENT ! ;
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: (entry) WORD [entry] ;
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: CREATE (entry) 2 ( cellWord ) C, ;
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: VARIABLE CREATE 2 ALLOT ;
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