52 lines
882 B
C
52 lines
882 B
C
str terminal_namespace = "/dev/term/0";
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str new_line = "\n";
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function main () {
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int str_n;
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load_immediate 35 -> $0;
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call fib ($0) -> $0;
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int_to_string $0 -> str_n;
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call pln (str_n);
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exit 0;
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}
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function fib (int n) {
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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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else base_case;
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return n;
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}
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function pln (str message) {
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ptr term;
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int msg_length;
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str nl;
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int nl_length;
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int mode;
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str term_ns;
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load_immediate 0 -> mode;
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load_address terminal_namespace -> term_ns;
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syscall OPEN term_ns mode term;
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string_length message -> msg_length;
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syscall WRITE term message msg_length;
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load_address new_line -> nl;
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string_length nl -> nl_length;
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syscall WRITE term nl nl_length;
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return;
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}
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