NAME

bwone − Sun-1 black and white frame buffer

SYNOPSIS — SUN-2

device bwone0 at mbmem ? csr 0xc0000 priority 3

DESCRIPTION

The bwone interface provides access to Sun-1 black-and-white graphics controller boards.  It supports the FBIOGTYPE ioctl which programs can use to determine the characteristics of the display device; see fbio(4S)

It supports the FBIOGPIXRECT ioctl which allows SunWindows to be run on it; see fbio(4S)

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/bwone[0-9]

SEE ALSO

mmap(2), fb(4S), fbio(4S)
Sun 1024 Video Board − User Manual (Sun 800-0420)

BUGS

Use of vertical-retrace interrupts is not supported. 

Sun Release 3.0β  —  Last change: 16 September 1985