install sdl2 in ci

Author: nathanleiby

.github/workflows/rust.yml

@@ -15,6 +15,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Install OS dependencies (sdl2), using cache
+        uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: libsdl2-dev
       - name: Install rust
         run: rustup toolchain install stable --profile minimal
       - name: Cache Rust dependencies

src/core.rs

@@ -187,7 +187,7 @@ impl Cpu {
         self.mem_write_u16(0xFFFC, CPU_START as u16);
     }
 
-    pub fn load_and_run(&mut self, program: Vec<u8>) {
+    fn load_and_run(&mut self, program: Vec<u8>) {
         self.load(program);
         self.reset();
         self.run();
@@ -202,7 +202,7 @@ impl Cpu {
         self.pc = self.mem_read_u16(0xFFFC);
     }
 
-    pub fn run(&mut self) {
+    fn run(&mut self) {
         self.run_with_callback(|_| {});
     }