Chip8-em init commit

src/chip8/debug.rs

@@ -0,0 +1,27 @@
+use std::io::{self, Read};
+
+use super::Chip8State;
+
+pub fn print_debug(state: &Chip8State, current_instruction: u16) {
+    print!("\x1b[H\x1b[J");
+    println!("----  DEBUG ----");
+    println!("PC: {:04X}", state.r_pc - 2); // -2 because of where i put this log in the main loop
+    println!("SP: {}", state.r_sp);
+    println!("I: {:04X}", state.r_i);
+    println!("DT: {}", state.r_dt);
+    println!("ST: {}", state.r_st);
+    for x in 0..state.r_v.len() {
+        if state.r_v[x] > 0 {
+            println!("V{}: {}", x, state.r_v[x]);
+        }
+    }
+    for x in 0..state.input.len() {
+        if state.input[x] == true {
+            println!("Pressed: {}", x);
+        }
+    }
+    println!("Current Instruction: {:04X}", current_instruction);
+    println!("----------------");
+    println!("Press Enter to continue...");
+    let _ = io::stdin().read(&mut [0u8]).unwrap();
+}