!AWMar94/Goodies/yass/!Help

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This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk:	Home » Recent acquisitions » Acorn ADFS disks » adfs_ArchimedesWorld_199403_2.adf » Disk2Mar94
Filename:	!AWMar94/Goodies/yass/!Help
Read OK:	✔
File size:	400B bytes
Load address:	0000
Exec address:	0000

 ______________________________________________________________________________
|                                        |                                     |
| YY  YY                          2222   |   � Copyright 1993, Ian Palmer.     |
| YY  YY                         22  22  |                                     |
| YY  YY  aaaa    sssss   sssss      22  |   All rights reserved.              |
|  YYYY      aa  ss      ss         22   |�������������������������������������|
|   YY    aaaaa   ssss    ssss     22    | "We must have done something wrong."|
|   YY   aa  aa      ss      ss   22     | "Oook."                             |
|   YY    aaaaa  sssss   sssss   222222  | "Maybe He is out."                  |
|                                        | "Or busy..."                        |
|________________________________________| "Do you think we could give up and  |
|     __          _                      |  go back to bed?"                   |
| by  / _   _    /_) _   / _ _   _       | WHO ARE WE WAITING FOR EXACTLY?     |
|   _/_(_|_| )  /   (_|_(_| ) )_|/_|~    |      -- "Eric" by Terry Pratchett   |
|________________________________________|_____________________________________|


Introduction
------------

Yass 2 is 'Yet Another Screen Saver' designed especially for the users of
Risc-OS 3 (version 3.10 or later). But hold on a mo... Risc-OS 3 users don't
need another screen saver, they have the wonderful ScreenBlanker module.

Well that's just it, the ScreenBlanker module does it's job, but it is rather
dull, to put it mildly. Yass 2 has been designed, not to replace the
ScreenBlanker module, but to augment it.

What Yass 2 offers is an alternative to the ScreenBlanker module whilst using
the desktop, but allows the module to work normally when you are outside the
desktop. Yass 2's alternative is a programmable screen saver which not only
allows you to write your own screen saver displays, but also allows you to have
a selection of screen savers which it will swap between randomly, making sure
that your screen saver does not become dull.

Most screen saver programs available for the Arc have one, or more, of the
following problems :

  � They don't allow other tasks to operate whilst the screen is blanked
    (ie. they don't multitask).

  � They don't work outside the desktop.

  � They have one or two rather dull displays, or even worse just blank the
    screen.

  � If programmable, they tend to only allow one selected display at a time,
    meaning that when you want a change, you have to make the change yourself.

  � They don't handle ALL keys (inc. shift, ctrl, etc.)

  � Some can be fairly large programs.

When using Yass 2 fully, you don't suffer any of the above problems.


How to use Yass 2
-----------------

When you run Yass 2 for the first time you will probably need to set it up for
your own preferences. With Yass 2 loaded, press SELECT over it's iconbar icon.
This will bring up the Yass SetUp window.

This window allows you to set the following :

  � The Yass 2 (Desk Top) blanking time

  � The non desktop (Standard) blanking time

  � The 'Sleep' corner

  � The 'No Sleep' corner

If you have disabled (killed) the ScreenBlanker module then you will be unable
to set the second option. The two blanking times can be altered by using the up
and down arrows, the time can be set in steps of 30 seconds. Either can be
switched off by setting the time to zero (displayed as 'Off'). Holding down
SHIFT when altering the saver times makes the time step in 1 second units,
thus allowing complete control down to the second.

The 'Sleep' corner is a corner of the screen where if the mouse pointer is
moved the screen saver is started instantly (Desktop only). The 'No Sleep'
corner is a corner where the screen saver will never start up (Desktop only).
Either can be set by clicking over the icon for the corner you require (the
current corner is indicated by the raised icon). Pressing SELECT over a corner
will make that corner the selected corner, pressing ADJUST over any of the
corners will make no corner selected).

Once you have selected your blanking times and corner options, you can now
select which screen savers you want Yass 2 to use. This is done by bringing up
the main menu, and then the 'Savers' submenu. This menu lists all the screen
saver modules known to Yass 2. Those with ticks show the currently selected
modules. Holding down SHIFT and selecting one of the savers will make that
saver the only selected saver (ie. will tick that saver and un-tick all the
others).

If only 1 saver module is ticked, that saver will always be used. If none are
ticked then the default saver is used (blank screen). If more than one is
selected then one will be picked at random, that saver will run for a certain
amount of time, and then another one of the selected savers will be picked, and
so on.

Once you have selected the savers you want to use, go back to the main menu,
and bring up the 'Status' submenu. Clicking on the 'Save' entry in this menu
will save you selections.


The Screen Saver in action
--------------------------

When the desired length of keyboard and mouse inactivity has taken place, one
of the selected screen savers will be started. This will run for a period of
time (set by the screen saver itself) and then another of the selected savers
will be started to take over. This ensures that the screen saver doesn't become
too boring.

During screen saving other desktop applications will still multi-task, and thus
the speed of the action of the screen saver will depend upon the number of
applications running.

As soon as you move the mouse, press a mouse button, press any key on the
keyboard or if a window is opened on the screen, the screen saver will stop and
return the desktop to normal.

When running non multi-tasking applications the built in screen saver module
will take over screen saving as normal.

Yass 2 tries to make as little impact on the desktop as it can. When the
screen saver is not active, Yass 2 checks the keyboard and mouse once a second.
When running a screen saver, Yass 2 automatically adjusts the amount of
CPU time it takes according to the general load of the computer, the higher
the load the lower the demands Yass 2 makes (but your display will tend to
grind, but you can't have anything).

You can force Yass 2 to always use small chunks of CPU time when running a
screen saver by selecting the 'Slow' option on the status menu. This will
force Yass2 to run the saver modules VERY slowly.


Creating your own screen saver modules
--------------------------------------

Creating your own display modules for the screen saver is very simple. Anyone
with a fairly good grasp of Basic can do it, and no knowlege of Wimp
programming is required.

All you need to do is create your own Basic program containing three functions.
These functions will be called by Yass 2 when necessary. The three functions
handle initialisation, running the saver, and tidying up.

First you need to pick a name for your saver module (the filename). In the
description below we are creating a saver module called 'Test' which will draw
random lines on the screen.


- Initialisation

During initialization you should do the following :

  Clear the screen (calling PROCclearscreen(-1) )
  Initialize your variables, and claim any memory you need.

Try to use as many LOCAL variables as tou can, and prefix your globals with
your modules name (eg. test_x%).
The initialization function should be given the name of your module followed by
'_start', for example 'FNtest_start' (note the 'test' is all in lower case).

Claiming memory should NOT use the DIM command. Instead you should call a
special function called FNmalloc which takes the number of bytes you require as
it's parameter, for esample "test_b% = FNmalloc(128)" will make test_b% point
to a block of memory 128 bytes long. FNmalloc returns zero if memory is not
available (very unlikely, but you should handle this situation (see below)).

The initialization function should return 0 if it managed to initialize
correcly. If it could not initialize correctly it should first deallocate any
memory it was allocated (pass it to a procedure PROCfree, eg.
PROCfree(test_b%)) and then return TRUE.

If the initialization finction returns the number 1, Yass 2 will ensure that
the desktop is displayed before calling the poll function (see below).
This means that you can write savers that use the desktop as a starting point,
for example melting the desktop, etc.

Please note that your screen saver should be able to run in any mode (it must
under no circumstances change mode itself). However you may wish to write a
module that only works in, say, 16 colour modes. If this is the case then the
initialization code should first check the value of max_c% (which is set up by
Yass 2) which contains the number of colours in the current mode. If this
number is no good for the module, the function should just return TRUE (ie.
signal that initialization has failed).

Now in our example module, initialization is fairly simple :

DEFFNtest_start
PROCclear_screen(-1)
=0


- Running the saver

The next function is called repeatedly, and it should update the display by a
small amount each time (in our example we will draw a single line).

The function should be called the name of your module followed by _poll, eg.
FNtest_poll.

This function should also determin whether or not it ghas run for long enough.
This may be determined by what the module does (ie. the display may have a
defined end), or you may simply set a time limit on the module. TO help with
the latter case, Yass 2 sets a variable now_going% which contains the number of
1/100ths of a second the saver has been running.

The function should normally return 0, but when it decides to stop it should
return TRUE. Ideally each saver should run for somewhere between 2 and 5
minutes. Returning a value of 1 will force the 'poll' routine to be called
less frequently, thus slowing it down. This is useful for saver routines
like the supplied 'time' and 'clock' saver modules, which only act once a
second.

In our case we will volunteer to stop after 2 minutes.

DEFFNtest_poll
PROCset_colour(0,RND(16)-1)
MOVE RND(max_x%)-1,RND(max_y%)-1:DRAW RND(max_x%)-1,RND(max_y%)-1
IF now_going%>12000 THEN =TRUE
=0


- Tidying up

This function is called when your saver module is being stopped. It should thus
deallocate any memory it allocated, and perform any other tidying up operations
necessary.

After tydying the function should return 0.

In our example, the function need do nothing :

DEFFNtest_stop
=0



In each of the above there are several procedures and variables available :

 FNmalloc(size)      -  Returns a pointer to a block of memory at least 'size'
                        bytes long. If it returns 0 the memory was not available
                     
 PROCfree(ptr)       -  Deallocates the memory pointed to by 'ptr'. 'ptr' must
                        be a value returned by FNmalloc.

 PROCset_colour(g,c) -  Sets the current colour to the given Wimp colour (0-15).
                        Parameters as for GCOL.

 PROCclearscreen(r)  -  Clears the screen. 'r' should be -1.

 max_x%              -  Gives the max x coordinate of the screen.

 max_y%              -  Gives the max y coordinate of the screen.

 max_c%              -  Gives the number of colours for the current screen.
                        (ie. 1, 3, 15 or 63)

 now_going%          -  Number of centiseconds the current saver has been
                        running.


A Basic program called 'Shell' is supplied with this application which contains
a developement environment for testing new modules. Add your functions to the
and of the program, which supplies simulated versions of all the above
procedures and variables.

Set the 'module$' variable at the start of this program to contain the name of
the module (ie. "test" in the above).


If your screen saver needs more than one file (for example it has some sprites,
etc.) then you should place any extra files in the 'Resources' directory
(<Yass2$Dir>.Resources). If there is one extra file needed this should be
given the same name as the saver module (to avoid problems later on). If there
are more files needed you should create a directory (name as saver module)
in the resources directory, and place the files in that directory. 


Other Yass functions
--------------------

Yass2 performs several other useful functions. The first of these is the
ability to set the state on of the internal speaker, and it's volume. This
can be done by clicking ADJUST on Yass2's iconbar icon. This brings up a window
which contains 2 sections, the first informs you a bit about Yass 2's state
(number of savers, number currently selected and it's internal free memory),
and to the right of this are the speaker options.

Yass 2 also allows you to have a special window which keeps you informed about
two useful pieces of information. These are the current time and the amount
of free memory currently available on your computer. To get this information
simply bring up Yass2's menu, and then bring up the 'Status' submenu. Finally
select the 'System' option on this menu. When this option is selected a
window appears in the top left of the screen giving the two peices of
information.

This window can contain either a digital clock or an analogue clock, and can
display hours & minutes or hours, minutes and seconds. The setting for these
options can be selected in the 'System' submenu on the 'Status' menu. This 
menu also allows you to limit the display to either just a clock, or
just a free memory indicator.

The status window can be moved anywhere on the screen by simply pressing any
mouse button (and holding it down) when the mouse pointer is over the window,
and dragging the window to where you want it. The window is then 'locked' in
that postion releative to the corner of the screen it is closest to. This
means that when you change mode, it won't matter if the screen is a different 
size, the window will appear in the same position.

You can also get Yass 2 to keep a check on your RMA size, keeping it as low
as it can. To do this select the 'Zap RMA' option on the 'Status' menu.

The final thing Yass 2 allows is the changing of your pinboard backdrop.
There is a menu option of Yass2's main menu called 'Wallpaper'. This leads to
a submenu which contains a list of available 'wallpapers'. This menu works in
much the same way as the 'Savers' menu. Selecting any of the listed items
will simply place (or remove) a tick from beside it, and SHIFT-SELECT will
select that item whilst resetting all others.

What Yass 2 does is when it starts up it looks at the list of ticked items
and selects one at random, placing it on the backdrop. This having only one
selected will make that always the backdrop, whilst having none selected
will stop Yass 2 placing anything on the backdrop. To place any of the items
on the backdrop with immediate effect, simply CTRL-SELECT the relevent item.



Yass 2 startup options
----------------------

Yass 2 supports 3 command line options :

  -left   Makes Yass 2 place it's icon on the left hand side of the iconbar.

  -right  Makes Yass 2 place it's icon on the right hand side of the iconbar.

  -none   Makes Yass 2 place no icon on the iconbar.



If no options are given, then the icon will (by default) be placed on the
right hand side of the iconbar.

NOTE: If you select the '-none' option then you will not be able to bring up
the main menu, nor the blanking times window. Thus this option should only be
used when you do not wish to alter Yass 2's characteristics.

Yass 2 supports the Risc-OS 3 automatic Desktop Boot file creation. Thus if
it is running it will add it's own start up line into a desktop boot file
created from the task managers menu.


Notes:

Yass 2 will support upto 77 saver modules (as many as you can fit in the saver
directory). However the currently defined wimpslot (64k) will not allow all
of these to be selected, as each saver that is run will claim a certain
amount of memory for variables, etc. Thus for the current wimpslot it is
advisable to keep to a maximum of about 20 selected saver modules. If you want
more than this you should increase the wimpslot given to Yass2 in its !Run
file.

00000000  0a 20 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |. ______________|
00000010  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |________________|
*
00000050  0a 7c 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |.|              |
00000060  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000070  20 20 20 20 20 20 20 20  20 20 7c 20 20 20 20 20  |          |     |
00000080  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
000000a0  7c 0a 7c 20 59 59 20 20  59 59 20 20 20 20 20 20  ||.| YY  YY      |
000000b0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
000000c0  20 20 20 20 32 32 32 32  20 20 20 7c 20 20 20 a9  |    2222   |   .|
000000d0  20 43 6f 70 79 72 69 67  68 74 20 31 39 39 33 2c  | Copyright 1993,|
000000e0  20 49 61 6e 20 50 61 6c  6d 65 72 2e 20 20 20 20  | Ian Palmer.    |
000000f0  20 7c 0a 7c 20 59 59 20  20 59 59 20 20 20 20 20  | |.| YY  YY     |
00000100  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000110  20 20 20 20 32 32 20 20  32 32 20 20 7c 20 20 20  |    22  22  |   |
00000120  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000140  20 20 7c 0a 7c 20 59 59  20 20 59 59 20 20 61 61  |  |.| YY  YY  aa|
00000150  61 61 20 20 20 20 73 73  73 73 73 20 20 20 73 73  |aa    sssss   ss|
00000160  73 73 73 20 20 20 20 20  20 32 32 20 20 7c 20 20  |sss      22  |  |
00000170  20 41 6c 6c 20 72 69 67  68 74 73 20 72 65 73 65  | All rights rese|
00000180  72 76 65 64 2e 20 20 20  20 20 20 20 20 20 20 20  |rved.           |
00000190  20 20 20 7c 0a 7c 20 20  59 59 59 59 20 20 20 20  |   |.|  YYYY    |
000001a0  20 20 61 61 20 20 73 73  20 20 20 20 20 20 73 73  |  aa  ss      ss|
000001b0  20 20 20 20 20 20 20 20  20 32 32 20 20 20 7c 98  |         22   |.|
000001c0  98 98 98 98 98 98 98 98  98 98 98 98 98 98 98 98  |................|
*
000001e0  98 98 98 98 7c 0a 7c 20  20 20 59 59 20 20 20 20  |....|.|   YY    |
000001f0  61 61 61 61 61 20 20 20  73 73 73 73 20 20 20 20  |aaaaa   ssss    |
00000200  73 73 73 73 20 20 20 20  20 32 32 20 20 20 20 7c  |ssss     22    ||
00000210  20 22 57 65 20 6d 75 73  74 20 68 61 76 65 20 64  | "We must have d|
00000220  6f 6e 65 20 73 6f 6d 65  74 68 69 6e 67 20 77 72  |one something wr|
00000230  6f 6e 67 2e 22 7c 0a 7c  20 20 20 59 59 20 20 20  |ong."|.|   YY   |
00000240  61 61 20 20 61 61 20 20  20 20 20 20 73 73 20 20  |aa  aa      ss  |
00000250  20 20 20 20 73 73 20 20  20 32 32 20 20 20 20 20  |    ss   22     |
00000260  7c 20 22 4f 6f 6f 6b 2e  22 20 20 20 20 20 20 20  || "Oook."       |
00000270  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000280  20 20 20 20 20 20 7c 0a  7c 20 20 20 59 59 20 20  |      |.|   YY  |
00000290  20 20 61 61 61 61 61 20  20 73 73 73 73 73 20 20  |  aaaaa  sssss  |
000002a0  20 73 73 73 73 73 20 20  20 32 32 32 32 32 32 20  | sssss   222222 |
000002b0  20 7c 20 22 4d 61 79 62  65 20 48 65 20 69 73 20  | | "Maybe He is |
000002c0  6f 75 74 2e 22 20 20 20  20 20 20 20 20 20 20 20  |out."           |
000002d0  20 20 20 20 20 20 20 7c  0a 7c 20 20 20 20 20 20  |       |.|      |
000002e0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000300  20 20 7c 20 22 4f 72 20  62 75 73 79 2e 2e 2e 22  |  | "Or busy..."|
00000310  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000320  20 20 20 20 20 20 20 20  7c 0a 7c 5f 5f 5f 5f 5f  |        |.|_____|
00000330  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |________________|
*
00000350  5f 5f 5f 7c 20 22 44 6f  20 79 6f 75 20 74 68 69  |___| "Do you thi|
00000360  6e 6b 20 77 65 20 63 6f  75 6c 64 20 67 69 76 65  |nk we could give|
00000370  20 75 70 20 61 6e 64 20  20 7c 0a 7c 20 20 20 20  | up and  |.|    |
00000380  20 5f 5f 20 20 20 20 20  20 20 20 20 20 5f 20 20  | __          _  |
00000390  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
000003a0  20 20 20 20 7c 20 20 67  6f 20 62 61 63 6b 20 74  |    |  go back t|
000003b0  6f 20 62 65 64 3f 22 20  20 20 20 20 20 20 20 20  |o bed?"         |
000003c0  20 20 20 20 20 20 20 20  20 20 7c 0a 7c 20 62 79  |          |.| by|
000003d0  20 20 2f 20 5f 20 20 20  5f 20 20 20 20 2f 5f 29  |  / _   _    /_)|
000003e0  20 5f 20 20 20 2f 20 5f  20 5f 20 20 20 5f 20 20  | _   / _ _   _  |
000003f0  20 20 20 20 20 7c 20 57  48 4f 20 41 52 45 20 57  |     | WHO ARE W|
00000400  45 20 57 41 49 54 49 4e  47 20 46 4f 52 20 45 58  |E WAITING FOR EX|
00000410  41 43 54 4c 59 3f 20 20  20 20 20 7c 0a 7c 20 20  |ACTLY?     |.|  |
00000420  20 5f 2f 5f 28 5f 7c 5f  7c 20 29 20 20 2f 20 20  | _/_(_|_| )  /  |
00000430  20 28 5f 7c 5f 28 5f 7c  20 29 20 29 5f 7c 2f 5f  | (_|_(_| ) )_|/_|
00000440  7c 7e 20 20 20 20 7c 20  20 20 20 20 20 2d 2d 20  ||~    |      -- |
00000450  22 45 72 69 63 22 20 62  79 20 54 65 72 72 79 20  |"Eric" by Terry |
00000460  50 72 61 74 63 68 65 74  74 20 20 20 7c 0a 7c 5f  |Pratchett   |.|_|
00000470  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |________________|
*
00000490  5f 5f 5f 5f 5f 5f 5f 7c  5f 5f 5f 5f 5f 5f 5f 5f  |_______|________|
000004a0  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |________________|
000004b0  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 7c 0a 0a  |_____________|..|
000004c0  0a 49 6e 74 72 6f 64 75  63 74 69 6f 6e 0a 2d 2d  |.Introduction.--|
000004d0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 0a 0a 59 61 73 73  |----------..Yass|
000004e0  20 32 20 69 73 20 27 59  65 74 20 41 6e 6f 74 68  | 2 is 'Yet Anoth|
000004f0  65 72 20 53 63 72 65 65  6e 20 53 61 76 65 72 27  |er Screen Saver'|
00000500  20 64 65 73 69 67 6e 65  64 20 65 73 70 65 63 69  | designed especi|
00000510  61 6c 6c 79 20 66 6f 72  20 74 68 65 20 75 73 65  |ally for the use|
00000520  72 73 20 6f 66 0a 52 69  73 63 2d 4f 53 20 33 20  |rs of.Risc-OS 3 |
00000530  28 76 65 72 73 69 6f 6e  20 33 2e 31 30 20 6f 72  |(version 3.10 or|
00000540  20 6c 61 74 65 72 29 2e  20 42 75 74 20 68 6f 6c  | later). But hol|
00000550  64 20 6f 6e 20 61 20 6d  6f 2e 2e 2e 20 52 69 73  |d on a mo... Ris|
00000560  63 2d 4f 53 20 33 20 75  73 65 72 73 20 64 6f 6e  |c-OS 3 users don|
00000570  27 74 0a 6e 65 65 64 20  61 6e 6f 74 68 65 72 20  |'t.need another |
00000580  73 63 72 65 65 6e 20 73  61 76 65 72 2c 20 74 68  |screen saver, th|
00000590  65 79 20 68 61 76 65 20  74 68 65 20 77 6f 6e 64  |ey have the wond|
000005a0  65 72 66 75 6c 20 53 63  72 65 65 6e 42 6c 61 6e  |erful ScreenBlan|
000005b0  6b 65 72 20 6d 6f 64 75  6c 65 2e 0a 0a 57 65 6c  |ker module...Wel|
000005c0  6c 20 74 68 61 74 27 73  20 6a 75 73 74 20 69 74  |l that's just it|
000005d0  2c 20 74 68 65 20 53 63  72 65 65 6e 42 6c 61 6e  |, the ScreenBlan|
000005e0  6b 65 72 20 6d 6f 64 75  6c 65 20 64 6f 65 73 20  |ker module does |
000005f0  69 74 27 73 20 6a 6f 62  2c 20 62 75 74 20 69 74  |it's job, but it|
00000600  20 69 73 20 72 61 74 68  65 72 0a 64 75 6c 6c 2c  | is rather.dull,|
00000610  20 74 6f 20 70 75 74 20  69 74 20 6d 69 6c 64 6c  | to put it mildl|
00000620  79 2e 20 59 61 73 73 20  32 20 68 61 73 20 62 65  |y. Yass 2 has be|
00000630  65 6e 20 64 65 73 69 67  6e 65 64 2c 20 6e 6f 74  |en designed, not|
00000640  20 74 6f 20 72 65 70 6c  61 63 65 20 74 68 65 0a  | to replace the.|
00000650  53 63 72 65 65 6e 42 6c  61 6e 6b 65 72 20 6d 6f  |ScreenBlanker mo|
00000660  64 75 6c 65 2c 20 62 75  74 20 74 6f 20 61 75 67  |dule, but to aug|
00000670  6d 65 6e 74 20 69 74 2e  0a 0a 57 68 61 74 20 59  |ment it...What Y|
00000680  61 73 73 20 32 20 6f 66  66 65 72 73 20 69 73 20  |ass 2 offers is |
00000690  61 6e 20 61 6c 74 65 72  6e 61 74 69 76 65 20 74  |an alternative t|
000006a0  6f 20 74 68 65 20 53 63  72 65 65 6e 42 6c 61 6e  |o the ScreenBlan|
000006b0  6b 65 72 20 6d 6f 64 75  6c 65 20 77 68 69 6c 73  |ker module whils|
000006c0  74 20 75 73 69 6e 67 0a  74 68 65 20 64 65 73 6b  |t using.the desk|
000006d0  74 6f 70 2c 20 62 75 74  20 61 6c 6c 6f 77 73 20  |top, but allows |
000006e0  74 68 65 20 6d 6f 64 75  6c 65 20 74 6f 20 77 6f  |the module to wo|
000006f0  72 6b 20 6e 6f 72 6d 61  6c 6c 79 20 77 68 65 6e  |rk normally when|
00000700  20 79 6f 75 20 61 72 65  20 6f 75 74 73 69 64 65  | you are outside|
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00002830  4e 44 28 6d 61 78 5f 79  25 29 2d 31 3a 44 52 41  |ND(max_y%)-1:DRA|
00002840  57 20 52 4e 44 28 6d 61  78 5f 78 25 29 2d 31 2c  |W RND(max_x%)-1,|
00002850  52 4e 44 28 6d 61 78 5f  79 25 29 2d 31 0a 49 46  |RND(max_y%)-1.IF|
00002860  20 6e 6f 77 5f 67 6f 69  6e 67 25 3e 31 32 30 30  | now_going%>1200|
00002870  30 20 54 48 45 4e 20 3d  54 52 55 45 0a 3d 30 0a  |0 THEN =TRUE.=0.|
00002880  0a 0a 2d 20 54 69 64 79  69 6e 67 20 75 70 0a 0a  |..- Tidying up..|
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000029a0  73 74 5f 73 74 6f 70 0a  3d 30 0a 0a 0a 0a 49 6e  |st_stop.=0....In|
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00002a50  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
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00002aa0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
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