Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

LIBRARY        _TKINTER INITINSTANCE TERMINSTANCE
DESCRIPTION    'Python Extension DLL v1.0 for Access to Tcl/Tk Environment'
PROTMODE
DATA           MULTIPLE NONSHARED

EXPORTS
               init_tkinter