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37 lines
805 B
Common Lisp
37 lines
805 B
Common Lisp
;;
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;; Compiler Setup for Jak 2
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;;
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;; load kernel type definitions.
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;; these types/functions are provided by Jak 2's runtime.
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(asm-file "goal_src/jak2/kernel-defs.gc")
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;; load jak 2 project
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(load-project "goal_src/jak2/game.gp")
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(defmacro basic? (obj)
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;; todo, make this more efficient
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`(= 4 (logand (the integer ,obj) #b111))
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)
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(defmacro pair? (obj)
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;; todo, make this more efficient
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;`(= 2 (logand (the integer ,obj) #b111))
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`(< (shl (the-as int ,obj) 62) 0)
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)
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(defmacro not-pair? (obj)
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`(>= (shl (the-as int ,obj) 62) 0)
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)
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(defmacro binteger? (obj)
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`(zero? (logand (the integer ,obj) #b111))
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)
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(defmacro rtype-of (obj)
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`(cond ((binteger? ,obj) binteger)
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((pair? ,obj) pair)
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((basic? ,obj) (-> (the basic ,obj) type))
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(else symbol)
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)
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) |