12 lines
389 B
Rust

use crate::errors::RunError;
pub fn kjz(memory: &mut Vec<u16>, labels: &mut [Option<i16>; 256], program_counter: &mut u16, data: &u16) {
if labels[*data as usize].is_none() {
eprintln!("{}", RunError::UnknownLabel(*data));
std::process::exit(2);
}
if memory.last() == Some(&0) {
*program_counter = (labels[*data as usize].unwrap() - 1) as u16;
}
}