7480 - baremetal/ex3.hex now draws multiple pixels

I was wrong in commit 7437 that only one keystroke was working. The problem
was just that I was getting _too_ many events. I wasn't handling key-up
events, and they were entering the buffer, and I was not skipping null
events since the circular buffer is currently considered to be null-terminated.

ex3 isn't done yet; it can only handle 16 events. Apps need to be clearing
the keyboard buffer.

0 files changed, 0 insertions, 0 deletions