chip8 memory debugger concept

memory_address.rs

const MAX_MEMORY: usize = 4096;
fn main() {
    let mut memory: Vec<u32> = vec![0; MAX_MEMORY];

    memory[25] = 0x200;
    memory[31] = 0xFFF;
    memory[0x60] = 0x00E0;
    memory[0xFFF] = 0xFFF;

    let debug_address: usize = 0x60;
    let debug_range: usize = 5;
    let mut min_address: usize = 0;
    let mut max_address: usize = 0;

    if debug_address >= debug_range {
        min_address = debug_address - debug_range;
        max_address = debug_address + debug_range;
    } else {
        let debug_address: usize = debug_range;
        min_address = debug_address - debug_range;
        max_address = debug_address + debug_range;
    }

    let instruction = "CLEAR SCREEN";

    println!("ADDRS  HEX    DEC");

    memory
        .iter()
        .enumerate()
        .filter(|(i, _x)| i >= &min_address)
        .filter(|(i, _x)| i <= &max_address)
        .for_each(|(i, x)| {
            if i == debug_address {
                println!("0x{0:04X} 0x{1:04X?} {1:04} <<< {2}", i, x, instruction)
            } else {
                println!("0x{0:04X} 0x{1:04X?} {1:04}", i, x)
            }
        });
}