GRFRT(4) Device Drivers Manual (amiga) GRFRT(4)

grfrt — 8-bit color graphics driver

grfrt0 at zbus0
grf1 at grfrt0
ite1 at grf1

The grfrt device driver supports graphics boards with the NCR 77C22E+ chipset. It supports the minimal ioctl's needed to run X11.

The grfrt interface supports the following ZorroII expansion card:

A Zorro II only card. From Macro System, manufacturer 18260, product 6.

/dev/grf1
graphics interface special file
/dev/ttye1
console interface special file for the internal terminal emulator

amiga/console(4), amiga/ite(4), amiga/grfconfig(8)

The grfrt interface first appeared in NetBSD 1.0.

grfrt does not allow setting graphics modes with amiga/grfconfig(8).

February 17, 2017 NetBSD 11.0