From 0498f90e33c864784a80996a9a1494e763041029 Mon Sep 17 00:00:00 2001
From: kn0000 <kn0000@aleteoryx.me>
Date: Sat, 26 Jul 2025 18:22:26 +0100
Subject: [PATCH] Added helper function for keyboard input

---
 src/lib.rs  | 16 ++++++++++++++++
 src/main.rs |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 2921be25fcfb6a13fa4f28941de1bfefe737002d..2e76ad447e3efc6d64a70773fe53d50fd4699e87 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,8 @@ pub const SCREEN_WIDTH: usize = 512;
 pub const SCREEN_HEIGHT: usize = 512;
 pub const SCREEN_UPDATE_ADDRESS: usize = 0x7FFFF;
 
+use minifb::Key;
+
 #[derive(Debug)]
 pub struct Stack {
     buffer: [u16;STACK_SIZE],
@@ -139,3 +141,17 @@ pub fn mem_to_buf(memory: &[u16]) -> Vec<u32> {
     }
     result
 }
+
+pub fn keys_to_state(keys: Vec<Key>) -> Vec<u16> { //output is using only 10 bits each to match with
+    let mut result = 0u128;                        //rest of system
+    for key in keys {                              //see minifb docs for what number each key is
+        result &= 1 << (key as usize);
+    }
+    let mut output = Vec::new();
+    for i in 0..11 {
+        let slice = ((result>>(10*i))&0x3FF) as u16;
+        output.push(slice);
+    }
+    output
+}
+
diff --git a/src/main.rs b/src/main.rs
index 5f38a27af597569e1e7acec407a39705b720efb7..d377841f05efaace89c1c1e25ecd7cdbc477e37a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
 use std::{fs, io};
-use minifb::{Window, WindowOptions};
+use minifb::{Window, WindowOptions, Key};
 use implementation::*;
 
 fn main() {