vasm now supports files

vemu/src/main.rs

@@ -43,7 +43,7 @@ fn main() {
     let memory = Memory::from(rng);
     let mut cpu = CPU::new(memory);
     display::reset(&mut cpu);
-    let code = assemble_snippet(include_str!("typewriter.asm").lines()).expect("Assemble error");
+    let code = assemble_snippet(include_str!("typewriter.asm").lines().map(String::from)).expect("Assemble error");
     println!("ROM size: {} bytes", code.len());
     cpu.poke_slice(0x400.into(), code.as_slice());
     cpu.start();
@@ -103,12 +103,14 @@ fn window_loop(event_loop: EventLoop<()>, window: Window, mut pixels: Pixels, mu
                 let start = Instant::now();
                 draw(pixels.get_frame(), &mut cpu);
                 pixels.render().expect("Problem displaying framebuffer");
-                loop {
+                loop { // TODO: this will run the CPU at 100%, need to not spin while halted
                     if let Some((int, arg)) = interrupt_events.pop_front() {
                         cpu.interrupt(int, arg)
                     }
-                    for _ in 1..1000 {
-                        cpu.tick()
+                    if cpu.running() {
+                        for _ in 1..1000 {
+                            cpu.tick()
+                        }
                     }
                     if Instant::now() > start + Duration::from_millis(25) {
                         break;