Fix instrument text boxes clashing with layer names

I reserved text boxes for 240 instruments, not 256. Oops!

Author: Bentroen

scripts/add_layer/add_layer.gml

@@ -59,7 +59,7 @@ function add_layer() {
 		layerlock[l] = layerlock[l - 1]
 		layervol[l] = layervol[l - 1]
 		layerstereo[l] = layerstereo[l - 1]
-		swap_text_edit(300 + l, 300 + l - 1)
+		swap_text_edit(400 + l, 400 + l - 1)
 	}
 
 	// Place layer back

scripts/control_draw/control_draw.gml

@@ -907,7 +907,7 @@ function control_draw() {
 		    popup_set(x1 + 10, y1 + 10, 75, 13, "The name for this layer")
 			draw_set_font(fnt_small)
 			prev = layername[startb + b]
-			layername[startb + b] = draw_text_edit(300 + startb + b, layername[startb + b], x1 + 11, y1 + 10, 72, 14, 1, 0)
+			layername[startb + b] = draw_text_edit(400 + startb + b, layername[startb + b], x1 + 11, y1 + 10, 72, 14, 1, 0)
 			if (layername[startb + b] = "") {
 		        draw_set_color(c_gray)
 				if(theme = 2) draw_set_color(make_color_rgb(160, 160, 160))

scripts/remove_layer/remove_layer.gml

@@ -52,7 +52,7 @@ function remove_layer(argument0, argument1) {
 		layerlock[l] = layerlock[l + 1]
 		layervol[l] = layervol[l + 1]
 		layerstereo[l] = layerstereo[l + 1]
-		swap_text_edit(300 + l, 300 + l + 1)
+		swap_text_edit(400 + l, 400 + l + 1)
 	}
 
 	endb2 -= 1

scripts/shift_layers/shift_layers.gml

@@ -50,7 +50,7 @@ function shift_layers(argument0, argument1, argument2) {
 	layerstereo[l2] = templayerstereo
 
 	// Swap name boxes
-	swap_text_edit(300 + l1, 300 + l2)
+	swap_text_edit(400 + l1, 400 + l2)
 
 	changed = 1
 	if (!argument2) history_set(h_swaplayer, l1, l2)