apple2 man page on aLinux

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apple2(6)		      XScreenSaver manual		     apple2(6)

NAME
       apple2 - Apple ][ display emulator

SYNOPSIS
       apple2  [-display host:display.screen] [-foreground color] [-background
       color] [-window] [-root] [-mono] [-install] [-visual visual]  [-program
       command	to  run]  [-basic]  [-slideshow]  [-text] [-meta] [-esc] [-bs]
       [-del] [-fast] [-fps]

DESCRIPTION
       The apple2 program simulates an original Apple ][ Plus computer in  all
       its 1979 glory. It also reproduces the appearance of display on a color
       television set of the period.

       There are 3 modes: basic, slideshow, and text. Normally	it  chooses  a
       mode  randomly,	but  you  can override with the -basic, -slideshow, or
       -text options.

       In basic mode a simulated user types in a Basic program and runs it.

       In slideshow mode it chooses a number of images from the	 image	source
       you  configured	into XScreenSaver and displays them within the limita‐
       tions of the Apple ][ display hardware. With only 6  available  colors,
       you can only make out the general shape of the pictures.

       In  text	 mode it displays the output of a command or the contents of a
       file or URL (via the default xscreensaver-text(1) program, which can be
       overridden with -program).

       In  text	 mode,	it is also a fully functional (if anachronistic) vt100
       terminal emulator.

OPTIONS
       apple2 accepts the following options:

       -window Draw on a newly-created window.	This is the default.

       -root   Draw on the root window.

       -mono   If on a color display, pretend we're on a monochrome display.

       -install
	       Install a private colormap for the window.

       -visual visual
	       Specify which visual to use.  Legal values are the  name	 of  a
	       visual  class,  or the id number (decimal or hex) of a specific
	       visual.

       -basic  Choose basic mode

       -slideshow
	       Choose slideshow mode

       -text   Choose text mode

       -program sh-command
	       In text mode, the command to run to generate the text  to  dis‐
	       play.  This option may be any string acceptable to /bin/sh. The
	       program will be run at the end of a pipe,  and  any  characters
	       that  it	 prints to stdout will be printed on the Apple ][ dis‐
	       play. If the program exits, it will be launched again  after  3
	       seconds.	 Default: xscreensaver-text(1).

	       In  text	 mode,	apple2	emulates a vt100 terminal running on a
	       40x24 uppercase-only screen.

	       For example:
	       apple2 -text \
		      -program 'cat /usr/src/linux*/README | fold -sw40'
	       apple2 -text -program 'ping apple.com'
	       apple2 -text -program 'ps -e'
	       apple2 -text -program 'od -txCz -w7 /dev/urandom'
	       apple2 -text -program 'cat /dev/random'
	       apple2 -text -fast -program 'xemacs -nw -q -f life'
	       apple2 -text -fast \
		      -program 'xemacs -nw -q --eval "(hanoi 5)"'
	       You can also use apple2 as an extremely lo-fi  replacement  for
	       the xterm(1) and gnome-terminal(1) terminal emulators:
	       apple2 -text -fast -program tcsh

       -pty    In  -text  mode,	 launch the sub-program under a pty so that it
	       can address the screen directly.	 This is the default.

       -pipe   In -text mode, launch the sub-program at the end of a pipe:  do
	       not let it address the screen directly.

       -esc    When  the user types a key with the Alt or Meta keys held down,
	       send an ESC character first.  This is the default.

       -meta   When Meta or Alt are held down, set the high bit on the charac‐
	       ter instead.

       -del    Swap Backspace and Delete.  This is the default.

       -bs     Do not swap Backspace and Delete.

       -fast   Normally,  characters  are  printed at the speed of an original
	       Apple][ computer; however, when using this program as a	termi‐
	       nal  emulator,  the  novelty of those 300 baud characters might
	       wear off.  You can use the -fast option to speed	 things	 up  a
	       bit.

       -fps    Display the current frame rate and CPU load.

TERMINAL EMULATION
       By  default,  apple2  allocates	a  pseudo-tty  for the -text-mode sub-
       process to run under.  This has the desirable side effect that the pro‐
       gram  will  be able to use ioctl(2) to fetch information about terminal
       parameters and window size, which many programs (such as	 top(1))  need
       to  run properly. apple2 will also set the environment variable TERM to
       vt100 in the child process.

       Any characters typed on the apple2 window will be passed along  to  the
       sub-process.  (Note that this only works when running in "window" mode,
       not when running in -root mode under xscreensaver.)

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
	       to get the name of a resource file that	overrides  the	global
	       resources stored in the RESOURCE_MANAGER property.

       TERM    to inform the sub-process of the type of terminal emulation.

X RESOURCES
       Notable X resources supported include the following which correspond to
       standard TV controls: analogTVTint, analogTVColor,  analogTVBrightness,
       and  analogTVContrast  which  correspond	 to standard TV controls. They
       range from 0 to 100,except for tint which is an angle between -180  and
       +180.

TRADEMARKS
       Apple ][ and Applesoft are trademarks of Apple Computer.

SEE ALSO
       xscreensaver(1),	  bsod(6),   xscreensaver-text(1),  fortune(1),	 phos‐
       phor(6), starwars(6), ljlatest(6), dadadodo(1),	webcollage(6),	drift‐
       net(1) EtherPEG, EtherPeek, console_codes(4).

COPYRIGHT
       Copyright  ©  2002-2003	by Trevor Blackwell.  Permission to use, copy,
       modify, distribute, and sell this software and  its  documentation  for
       any  purpose  is	 hereby	 granted  without fee, provided that the above
       copyright notice appear in all copies  and  that	 both  that  copyright
       notice  and  this permission notice appear in supporting documentation.
       No representations are made about the suitability of this software  for
       any  purpose.   It  is provided "as is" without express or implied war‐
       ranty.

AUTHOR
       Television and Apple ][ emulation by  Trevor  Blackwell	<tlb@tlb.org>.
       Slideshow and text mode by Jamie Zawinski <jwz@jwz.org>.	 Pty and vt100
       emulation by Fredrik Tolf <fredrik@dolda2000.com>.

X Version 11		      5.07 (10-Aug-2008)		     apple2(6)
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