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https://github.com/forth-ev/VolksForth.git
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86 lines
5.4 KiB
Plaintext
86 lines
5.4 KiB
Plaintext
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0 \\ Double words cas 10nov05
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2 This File contains definitions for 32Bit Math
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4 This definitions are already included in the volksFORTH Kernel:
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6 2! 2@ 2drop 2dup 2over 2swap d+ d. d.r
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7 d0= d< d= dabs dnegate
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0 \ 2constant 2rot 2variable d- d2/ ks 22 dez 87
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2 : 2constant Create , , does> 2@ ;
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4 : 2rot ( d1 d2 d3 -- d2 d3 d1 ) 5 roll 5 roll ;
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6 : 2variable Variable 2 allot ;
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8 : d- ( d1 d2 -- d3 ) dnegate d+ ;
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10 Code d2/ ( d1 -- d2 )
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11 A pop D sar A rcr A push Next end-code
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0 \ dmax dmin du< ks 22 dez 87
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2 : dmax ( d1 d2 -- d3 )
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3 2over 2over d< IF 2swap THEN 2drop ;
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5 : dmin ( d1 d2 -- d3 )
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6 2over 2over d< IF 2drop exit THEN 2swap 2drop ;
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7
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8 : du< ( 32b1 32b2 -- f )
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9 rot 2dup = IF 2drop u< exit THEN u> -rot 2drop ;
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