mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-05-31 15:41:34 +00:00
96 lines
1.1 KiB
Forth
96 lines
1.1 KiB
Forth
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\ *** Block No. 0, Hexblock 0
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\\ Double words cas 10nov05
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This File contains definitions for 32Bit Math
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This definitions are already included in the volksFORTH Kernel:
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2! 2@ 2drop 2dup 2over 2swap d+ d. d.r
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d0= d< d= dabs dnegate
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\ *** Block No. 1, Hexblock 1
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\ 2constant 2rot 2variable d- d2/ ks 22 dez 87
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: 2constant Create , , does> 2@ ;
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: 2rot ( d1 d2 d3 -- d2 d3 d1 ) 5 roll 5 roll ;
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: 2variable Variable 2 allot ;
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: d- ( d1 d2 -- d3 ) dnegate d+ ;
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Code d2/ ( d1 -- d2 )
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A pop D sar A rcr A push Next end-code
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\ *** Block No. 2, Hexblock 2
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\ dmax dmin du< ks 22 dez 87
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: dmax ( d1 d2 -- d3 )
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2over 2over d< IF 2swap THEN 2drop ;
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: dmin ( d1 d2 -- d3 )
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2over 2over d< IF 2drop exit THEN 2swap 2drop ;
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: du< ( 32b1 32b2 -- f )
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rot 2dup = IF 2drop u< exit THEN u> -rot 2drop ;
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\ *** Block No. 3, Hexblock 3
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\ *** Block No. 4, Hexblock 4
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