[oden] Fix various bugs in graphics modules

src/graphics.js

@@ -1,15 +1,15 @@
 import * as core from "graphics-core";
 
-function cls(r, g, b) {
+export function cls(r, g, b) {
   core.cls(r, g, b);
 }
 
-function print(...args) {
+export function print(...args) {
   core.print(args.join(" "));
 }
 
-function spr(x, y, w, h, sx, sy, sw = undefined, sh = undefined) {
+export function spr(x, y, w, h, sx, sy, sw = undefined, sh = undefined) {
   sw = sw | w;
   sh = sh | h;
-  core.spr(xy, w, h, sx, sy, sw, sh);
+  core.spr(x, y, w, h, sx, sy, sw, sh);
 }

src/main.js

@@ -1,4 +1,4 @@
-import { cls, print, spr } from "./src/graphics";
+import { cls, print, spr } from "./src/graphics.js";
 
 export function init() {
   print("Hello world!");