Small additions

src/simulator/simulator.odin

@@ -4,12 +4,16 @@ import emu "../machine"
 import rl "vendor:raylib"
 
 Simulator :: struct {
+	// Emulator
 	machine: ^emu.System,
 	rom_loaded: bool,
 	running: bool,
 	paused: bool,
 	cycles_per_second: int,
+	// GUI
 	font: rl.Font,
+	active_tab: i32,
+	mem_scroll : rl.Vector2,
 }
 
 // Requires an initilized emulatore System Struct