# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1466715743 -7200
# Node ID 19850e9d0183fa6de054844c4788f30ddc236165
# Parent  e3c785375378cee8bf135f734d8a26e3c8800593
Introduced explicit next_frame calls after updating the screen start address.

diff -r e3c785375378 -r 19850e9d0183 main.py
--- a/main.py	Thu Jun 23 23:02:00 2016 +0200
+++ b/main.py	Thu Jun 23 23:02:23 2016 +0200
@@ -74,6 +74,7 @@
     mainloop()
 
     ula.screen_start = 0x3000 + 2
+    ula.next_frame()
     ula_screen = update(ula)
     update_screen(screen, ula_screen)
     print "Screen updated."
@@ -91,6 +92,7 @@
     mainloop()
 
     ula.screen_start = 0x6f00 + 160
+    ula.next_frame()
     ula_screen = update(ula)
     update_screen(screen, ula_screen)
     print "Screen updated."