1 files changed, 9 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 21bc2a7..06353e0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -133,7 +133,14 @@ system_talk(Device *d, u8 b0, u8 w) {
 IWRAM_CODE
 void
 screen_talk(Device *d, u8 b0, u8 w) {
-    if (w) {
+   if (!w) {
+        switch(b0) {
+            case 0x2: d->dat[b0] = (SCREEN_WIDTH >> 8); break;
+            case 0x3: d->dat[b0] = (SCREEN_WIDTH); break;
+            case 0x4: d->dat[b0] = (SCREEN_HEIGHT >> 8); break;
+            case 0x5: d->dat[b0] = (SCREEN_HEIGHT); break;
+        }
+    } else {
         switch (b0) {
             case 0x1: {
                 d->vector = mempeek16(d->dat, 0x0);
@@ -269,7 +276,7 @@ file_talk(Device *d, u8 b0, u8 w) {
 void
 init_uxn(Uxn *u) {
     // Initialize PPU.
-    initppu(&ppu, 30, 20, 0);
+    initppu(&ppu, 30, 20);
 
     // Enable sound.
     init_sound();