Added/updated components to be isolated rectangles.

src/simulator/gui_bottom_tabs.odin

@@ -0,0 +1,34 @@
+package simulator
+
+import rl "vendor:raylib"
+
+gui_bottom_tabs :: proc(rect: rl.Rectangle, sim: ^Simulator) {
+	rl.DrawRectangleLinesEx(rect, 1, rl.GRAY)
+
+	// Setup tab bar
+	tabs := [?]cstring{ "Memory", "Disassembly", "Log" }
+
+	tab_bar_rect := rl.Rectangle{
+		rect.x,
+		rect.y,
+		rect.width,
+		BUTTON_HEIGHT + PADDING_Y
+	}
+
+	// inside draw loop:
+	rl.GuiTabBar(tab_bar_rect, &tabs[0], i32(len(tabs)), &sim.active_tab)
+
+	bounds := rl.Rectangle {
+		x = rect.x + PADDING_X,
+		y = rect.y + PADDING_Y + tab_bar_rect.height,
+		width = rect.width - (PADDING_X * 2),
+		height = rect.height - (PADDING_Y * 2) - tab_bar_rect.height,
+	}
+
+	switch sim.active_tab {
+		case 0: // draw registers panel
+			gui_tab_memory(bounds, sim)
+		case 1: // draw memory panel
+		case 2: // draw display panel
+	}
+}