33 lines
895 B
Rust
33 lines
895 B
Rust
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use crate::Machine;
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use std::fs;
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use std::io;
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use std::io::BufRead;
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/// Load a file into a new machine
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///
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/// `panic!` when size is not 1, 2, 4 or 8
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/// `panic!` when the text does not represents instructions in hexadecimal
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///
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/// ### Parameters
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///
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/// - **path** the path of the file to load
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/// - **size** the number of bytes to write (1, 2, 4 or 8)
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pub fn load(path : &str, instruction_size: i32) -> Machine {
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let file = fs::File::open(path).expect("Wrong filename");
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let reader = io::BufReader::new(file);
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let mut machine = Machine::_init_machine();
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for (i,line) in reader.lines().enumerate() {
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let res = u64::from_str_radix(&line.unwrap(), 16);
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match res {
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Ok(value) => {
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Machine::write_memory(&mut machine, instruction_size, i, value);
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},
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_ => panic!()
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}
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}
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machine
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}
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