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30 lines
604 B
Plaintext
30 lines
604 B
Plaintext
; math.vasm — raw bytecode, hand-written in VuurRaaf assembly.
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; Assemble + link + run with:
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; vr assemble examples/math.vasm
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; vr link math.vobj -o math.vbin
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; vr run math.vbin
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.global main
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main:
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push_int 6
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push_int 7
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mul
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println
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push_str "computed 6 * 7 = 42"
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println
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push_int 40
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push_int 2
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call add 2 ; calls the exported `add` symbol below
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println
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halt
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; a callable function: takes two args, returns their sum
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.global add
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add:
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enter 0 ; no extra locals (args were copied in by `call`)
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load 0
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load 1
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add
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retv
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