diff options
author | ru <ru@FreeBSD.org> | 2000-12-27 15:30:30 +0000 |
---|---|---|
committer | ru <ru@FreeBSD.org> | 2000-12-27 15:30:30 +0000 |
commit | 4bb5f49662398b2c716ed1737fb2ad4ca436335d (patch) | |
tree | f1468f2d922f425fb0e1dc0ae9c5629ea3d7baf7 /usr.sbin/pcvt/vgaio | |
parent | 6c6a7d37868897a158286c6ca08baf40fb719d09 (diff) | |
download | FreeBSD-src-4bb5f49662398b2c716ed1737fb2ad4ca436335d.zip FreeBSD-src-4bb5f49662398b2c716ed1737fb2ad4ca436335d.tar.gz |
Prepare for mdoc(7)NG.
Diffstat (limited to 'usr.sbin/pcvt/vgaio')
-rw-r--r-- | usr.sbin/pcvt/vgaio/vgaio.8 | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/usr.sbin/pcvt/vgaio/vgaio.8 b/usr.sbin/pcvt/vgaio/vgaio.8 index 87af495..87e498a 100644 --- a/usr.sbin/pcvt/vgaio/vgaio.8 +++ b/usr.sbin/pcvt/vgaio/vgaio.8 @@ -52,12 +52,10 @@ silly, .Nm cares of all the things necessary and allows the user to access the registers of several register groups with their symbolic names. - .Ss Options .Bl -tag -width 10n -offset indent .It Fl d Turn on the grammar parser debugger. - .El .Ss Command language The command language of @@ -67,11 +65,11 @@ Commands are executed line by line as they are entered. Each line may contain any number of semicolon-separated input/output commands. - +.Pp Symbolic register names look like: - -.D1 Ao Em reggroup Ac Ao Em regnumber Ac - +.Pp +.D1 Ao Em reggroup Ac Aq Em regnumber +.Pp with .Aq Em regnumber being any hexadecimal number @@ -93,52 +91,46 @@ standing for the or .Em Timing sequencer , respectively. - +.Pp An input instruction has the form - -.D1 Ao Em regname Ac ? - +.Pp +.D1 Ao Em regname Ac \&? +.Pp and will cause .Nm to output a line like - .Bd -ragged -offset indent -.Ao Em regname Ac \& = 0x Ns -.Aq Em number +.Aq Em regname +.No = 0x Ns Aq Em number .Ed - +.Pp An output instruction looks like - .Bd -ragged -offset indent .Ao Em regname Ac = .Aq Em number .Ed - +.Pp Spaces or Tabs between the .Aq Em reggroup , the .Aq Em regnumber , or any of the other tokens are ignored. They are not required anyway. - +.Pp The .Dq Em mi needs a single unused argument to satisfy the syntax :-) (-hm). - - .Ss Access control The caller must have uid 0 in order to gain the required access to the IO registers. - .Sh HISTORY This program is considered .Dq hackware . It has been developed in order to simplify the process of developing other software that needs to program the Video Graphics Array. - +.Pp Remember, to use this program, your kernel has to be compiled with XSERVER -being defined ! - +being defined! .Sh AUTHORS The program has been contributed by .An J\(:org Wunsch , |