Timbre
Trackball
Transparen t
UART
Video priority
Video display
Write-only
..
Tone quality of a sound.
A controller device
that
you spin with your hand to move
something on the screen; may have buttons for other forms
of input.
A special color register definition
that
allows a background
color to show through. Used in dual-playfield mode.
The circuit
that
controls the serial link to peripheral devices,
short for Universal Asynchronous Receiver/Transmitter.
Defines which objects (playfields and sprites) are shown
in
the foreground and which objects are shown
in
the back-
ground. Higher-priority objects appear in front of lower-
priority objects.
Everything
that
appears on the screen of a video monitor or
television.
Describes a register
that
can
be
written to
but
cannot
be
read.
Glossary-7
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