              MANUAL LAG TEST (1/2)

WARNING: This evaluation is dependent on reflexes
and/or rhythm more than anything. The visual and
audio cues are the more revealing aspects which
the user should consider, of course the interactive
factor can give an experienced player the hang of
the system when testing via different connections.

The main intention is to show a changing pattern
on the screen, which can be complemented with
audio. This should show to some degree any lag
when processing the signal.

As an added feature, the user can click button I
when the sprite is aligned with the one on the
background, and the offset in frames from the
actual intersection will be shown on screen. 


              MANUAL LAG TEST (2/2)

A one frame 1khz tone is played when audio is
enabled and the sprites are aligned, and a 500hz
tone is played when button I is pressed. This
can be repeated ten times and the software will
calculate the average. Whenever the button was
pressed before the actual intersection frame, the
result will be ignored (but still shown on screen).

- SELECT can be used to change the direction
of the sprite from vertical to horizontal, or
display both at the same time

Since a frame is around 16 ms (1000/60) in NTSC
that value must be considered the general error
when using the test results.
