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mmap(2)

cgfour(7D)

fbio(7I)

bwtwo(7D)

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) system 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. 

SunOS 5.5/SPARC  —  Last change: 27 Mar 1992

Typewritten Software • bear@typewritten.org • Edmonds, WA 98026