Minor changes

src/main.c

@@ -4,7 +4,7 @@
 int main(int argc, char *argv[])
 {
 
-  ScreenInit();
+  ScreenInit(800,400);
 
   while (!WindowShouldClose()){
     ScreenUpdate();

src/screen.c

@@ -1,9 +1,7 @@
 #include "screen.h"
 
-void ScreenInit(){
-  const int screenWidth = 800;
-  const int screenHeight = 450;
-  InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window");
+void ScreenInit(int width, int height){
+  InitWindow(width, height, "Chip-8 Emulator");
   SetTargetFPS(60); // Set game to run at 60 frames-per-second
 }
 

src/screen.h

@@ -1,5 +1,8 @@
 #include "raylib.h"
 
-void ScreenInit();
+#define MODE_CHIP8 0 // Chip-8
+#define MODE_SCHIP 1 // Super-Chip
+
+void ScreenInit(int width, int height);
 void ScreenUpdate();
 void ScreenFinish();