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jmp _main
_add_int_a__int_b: ; int add(int a, int b)
pop V0 ; Pop return address to register, to preserve during parameter access
pop [$51FF] ; param int a
pop [$5201] ; param int b
push V0 ; Restore function return address
push [$51FF] ; left operand
mov [$5201], V1 ; right operand
pop V0 ; get left operand back
add V0, V1 ; compute addition
mov AX, V0 ; return value
ret
mov 0, V0 ; fallback return 0
ret
_main: ; int main()
push 2 ; arg int a
push 1 ; arg int b
call _add_int_a__int_b ; int add(int a, int b)
mov V0, V0 ; return value
ret
mov 0, V0 ; fallback return 0
ret
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