VolksForth/sources/cpm/DOUBLE.FB.src
Carsten Strotmann 3dd6197fbf CPM Source files
2020-06-20 18:59:14 +02:00

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0 \\ Double words 11Nov86
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2 Dieses File enthaelt Worte fuer 32-Bit Objekte.
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4 Im Kern bereits enthalten sind:
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6 2@ 2! 2dup 2drop 2swap dnegate d+
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8 Hier werden definiert:
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10 2Variable 2Constant 2over d*
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0 \ 2over 2@ 2! 2Variable 2Constant UH 30Oct86
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2 : 2Variable Variable 2 allot ;
3 : 2Constant Create , , does> 2@ ;
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5 Code 2over ( 32b1 32b2 -- 32b1 32b2 32b1 ) 7 H lxi
6 SP dad M D mov H dcx M E mov D push
7 H dcx M D mov H dcx M E mov D push Next end-code
8 --> \\
9 Code 2@ ( addr -- 32b ) H pop H push
10 H inx H inx M E mov H inx M D mov H pop D push
11 M E mov H inx M D mov D push Next end-code
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13 Code 2! ( 32b addr -- ) H pop
14 D pop E M mov H inx D M mov H inx
15 D pop E M mov H inx D M mov Next end-code
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0 \ d* d- 29Jun86
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2 : d* ( d1 d2 -- d1*d2 )
3 rot 2over rot um* 2swap um* d+ 2swap um* d+ ;
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5 : d- ( d1 d2 -- d1-d2 ) dnegate d+ ;
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