mirror of
https://github.com/forth-ev/VolksForth.git
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52 lines
3.1 KiB
Forth
52 lines
3.1 KiB
Forth
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\ *** Block No. 0 Hexblock 0
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\\ Double words 11Nov86
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Dieses File enthaelt Worte fuer 32-Bit Objekte.
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Im Kern bereits enthalten sind:
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2@ 2! 2dup 2drop 2swap dnegate d+
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Hier werden definiert:
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2Variable 2Constant 2over d*
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\ *** Block No. 1 Hexblock 1
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\ 2over 2@ 2! 2Variable 2Constant UH 30Oct86
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: 2Variable Variable 2 allot ;
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: 2Constant Create , , does> 2@ ;
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Code 2over ( 32b1 32b2 -- 32b1 32b2 32b1 ) 7 H lxi
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SP dad M D mov H dcx M E mov D push
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H dcx M D mov H dcx M E mov D push Next end-code
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--> \\
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Code 2@ ( addr -- 32b ) H pop H push
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H inx H inx M E mov H inx M D mov H pop D push
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M E mov H inx M D mov D push Next end-code
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Code 2! ( 32b addr -- ) H pop
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D pop E M mov H inx D M mov H inx
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D pop E M mov H inx D M mov Next end-code
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\ *** Block No. 2 Hexblock 2
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\ d* d- 29Jun86
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: d* ( d1 d2 -- d1*d2 )
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rot 2over rot um* 2swap um* d+ 2swap um* d+ ;
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: d- ( d1 d2 -- d1-d2 ) dnegate d+ ;
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