AMIDISPLAYCC(4)      NetBSD/amiga Kernel Interfaces Manual     AMIDISPLAYCC(4)

NAME
     amidisplaycc -- wscons interface to amiga custom chips drivers

SYNOPSIS
     amidisplaycc0 at mainbus0
     wsdisplay0 at amidisplaycc0

DESCRIPTION
     This device acts as an adapter between the wscons(4) framework and the
     Amiga custom chip driver functions.  It exports the internal wsdisplay(4)
     interface and contains the necessary rendering functions to operate a
     text terminal with virtual screens. It uses the Amiga abstract graphic
     driver (grfabs) functions for the low-level display management.

     Currently it does not support running X.  It can however coexist well
     enough with grf0 to make possible running X the old way, but be warned,
     you cannot switch screens while in X and when quitting it, it seems to
     hang. Switching a screen then will bring up the text console. As always,
     we apologise for the inconvenience.

     What it does support is hilite (bold), underline, reverse and fore-
     ground/background colors.

   Virtual terminals and screen types
     The number of virtual screens is limited only by the available chip mem-
     ory.

     Each virtual screen can have a different screen type.  A screen type
     defines the following things: height and width in pixels, number of col-
     ors, and font size.  The supported screen types are listed below.
              80x64 - display size 640x512 with 8 colors, font size 8x8
              80x51 - display size 640x510 with 8 colors, font size 8x10
              80x50 - display size 640x400 with 8 colors, font size 8x8
              80x40 - display size 640x400 with 8 colors, font size 8x10
              80x32 - display size 640x512 with 8 colors, font size 8x16
              80x31 - display size 640x248 with 8 colors, font size 8x8
              80x25 - display size 640x400 with 8 colors, font size 8x16
              80x24 - display size 640x192 with 8 colors, font size 8x8
              default - same as either 80x64 or 80x50, depending on the pres-
               ence of GRF_NTSC and GRF_PAL in the kernel configuration.

     The grfabs code determines the actual screen mode that is used.  The con-
     fig options GRF_NTSC, GRF_PAL, GRF_AGA, etc. determine what kind of
     chipsets/modes are available.

   Fonts
     Fonts of width 8 and any height are supported.  Fonts can be compiled
     into the kernel by specifying "options FONT_[fontname]" in the configura-
     tion file, or loaded with the wsfontload(8) utility runtime.

SEE ALSO
     wscons(4), wsdisplay(4), wsfontload(8), wsfont(9)

NetBSD 6.0                     November 12, 2003                    NetBSD 6.0

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