mirror of https://github.com/janet-lang/janet
28 lines
840 B
Plaintext
28 lines
840 B
Plaintext
# Example of dst bytecode assembly
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# Fibonacci sequence, implemented with naive recursion.
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(def fibasm
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(asm
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'{:arity 1
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:bytecode @[(ltim 1 0 0x2) # $1 = $0 < 2
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(jmpif 1 :done) # if ($1) goto :done
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(lds 1) # $1 = self
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(addim 0 0 -0x1) # $0 = $0 - 1
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(push 0) # push($0), push argument for next function call
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(call 2 1) # $2 = call($1)
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(addim 0 0 -0x1) # $0 = $0 - 1
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(push 0) # push($0)
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(call 0 1) # $0 = call($1)
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(add 0 0 2) # $0 = $0 + $2 (integers)
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:done
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(ret 0) # return $0
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]}))
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# Test it
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(defn testn
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[n]
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(print "fibasm(" n ") = " (fibasm n)))
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(for i 0 10 (testn i))
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