45 lines
809 B
Plaintext
45 lines
809 B
Plaintext
function main ()
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int n is $0
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int str_n is $1
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load_immediate 35 -> n
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call fib n -> n
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int_to_string n -> str_n
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call pln str_nn
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exit 0
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function fib (int n is $0)
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load_immediate 2 -> $1
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jump_lt_int &base_case n $1
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load_immediate 2 -> $3
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sub_int n $3 -> $4
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call fib $4 -> $5
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load_immediate 1 -> $3
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sub_int n $3 -> $4
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call fib $4 -> $6
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add_int $6 $5 -> $7
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return $7
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&base_case
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return n
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function pln (str message is $0)
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str ts is $1
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int mode is $5
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int msg_length is $2
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str nl is $3
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int nl_length is $4
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load_heap_immediate ts "/dev/term/0" # get terminal device
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load_immediate 0 -> mode
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syscall OPEN ts mode -> ts
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strlen message -> msg_length
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syscall WRITE ts message msg_length
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load_heap_immediate "\n" -> nl
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strlen nl -> nl_length
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syscall WRITE ts nl nl_length
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return
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