46 lines
890 B
Common Lisp
46 lines
890 B
Common Lisp
((code
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(label main
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(load-immediate $0 35)
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(push $0)
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(call &fib)
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(pop $0)
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(int-to-string $1 $0)
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(push $1)
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(call &pln)
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(halt))
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(label fib
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(pop $0)
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(load-immediate $1 2)
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(jump-lt-int &base-case $0 $1)
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(load-immediate $3 2)
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(sub-int $4 $0 $3)
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(push $4)
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(call &fib)
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(load-immediate $3 1)
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(sub-int $4 $0 $3)
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(push $4)
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(call &fib)
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(pop $4)
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(pop $5)
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(add-int $6 $5 $4)
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(push $6)
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(return)
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(label base-case
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(push $0)
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(return)))
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(label pln
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(load-immediate $0 &terminal-namespace) ; get terminal device
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(load-immediate $11 0)
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(syscall OPEN $0 $0 $11)
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(load-immediate $3 &new-line)
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(pop $1)
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(load-offset-32 $7 $0 4) ; load handle
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(string-length $2 $1)
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(syscall WRITE $7 $1 $2)
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(string-length $4 $3)
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(syscall WRITE $7 $3 $4)
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(return)))
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(data
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(label terminal-namespace "/dev/term/0")
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(label new-line "\n")))
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