Rockwell Automation 6008-SI IBM PC I/O SCNNR 6008-SI - Manual (Page 61)

Chapter 6
Discrete I/O
6-6
putbit
Use this routine to write a bit into the output image table.
Calling sequence:
putbit(
data, rack, group, bit
);
Arguments:
data: an unsigned integer, whose low order bit is to be written to the
output image table.
rack:
an integer 0 to 7, the logical rack number.
group: an integer 0 to 7, the module group number.
bit: an integer 0 to 15 (decimal) or 0 to 17 (octal), the bit number.
Returned values:
none