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bwtwo(7D) Devices SunOS 5.5
NAME bwtwo − black and white memory frame buffer
SYNOPSIS /dev/fbs/bwtwo
DESCRIPTION The bwtwo interface provides access to monochrome memory frame buffers. It supports
the ioctls described in fbio(7I).
Reading or writing to the frame buffer is not allowed — you must use the mmap(2) sys-
tem call to map the board into your address space.
FILES /dev/fbs/bwtwo[0-9] device files
SEE ALSO mmap(2), cgfour(7D), fbio(7I)
BUGS Use of vertical-retrace interrupts is not supported.
7D-52 modified 27 Mar 1992