Gilderfluke&Co 'Smart' Brick Animation Control System - Manual (Page 79)

the 1/4 J6 Port. The 1/4 J6 Port can be wired directly to up
to eight different pushbuttons. When any of these but-
tons are pressed it will select the appropriate show. The
first button pushed will be played at the next START or
START LOOPING command, unless it is overridden by an-
other show request from the serial ports. (The Brain can
also be told to start playing the newly requested show
immediately if you tell the Smart Brick Brain to START or
START LOOPING on the input to the 1/4 J-6 port.)
If this mode is off, then up to two hundred fifty-five dif-
ferent shows can be selected through the 1/4 J6 Port.
The 1/4 J6 Port can be connected directly to the output
of a computer or Animation Control System. If you need
to connect it to pushbuttons, you will need to use diodes
or a keyboard with an encoder (available from
Gilderfluke & Company) to encode a binary number to
be sent to the 1/4 J6 Port.
As with changes in inputs on the A, B, or PB input,
changes on the 1/4 J6 Port can be used to START, stop,
or whatever a Smart Brick Brain. If the DIRECT SELECT op-
tion is 'on', then a rising edge is on any new arrival of a
new closure, and a falling edge is when all input lines
are opened. If the DIRECT SELECTION is 'off', then a rising
edge is on any change in the 1/4 J6 Port except for
when all of the inputs go open, which is considered to
be a falling edge.
“n” Debounce:
This command is used to set the number of times the
software in the Smart Brick Brain will check the Blue, Green
or 1/4 J6 inputs before actually believing them. Valid en-
tries are from 0 to 255 (00H to FFH). A zero entry gives a
two hundred fifty-six count loop for the longest possible
response, 01 gives the fastest possible response. Too
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