#495 Screen update troubles in GFX_SHAPED_WINDOW

[Matthew]

include "fbgfx.bi"

screen 18,32,,FB.GFX_SHAPED_WINDOW

do

'locate 1 ''works
'locate 1: print timer ''works

locate 2 ''fails
'locate 1: print ''fails

print timer

'screenunlock

loop until len(inkey)

Print seems to happen once, then screen gets stuck.