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Software 2000 Volume 1 (Disc 1 of 2).iso
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Notes.txt
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1988-10-06
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DOT MATRIX SCROLLER
-------------------
written by Andrew Ives in 1993.
Dot Matrix Scroller is a video-titling program intended for use
in adding scrolling captions to videos.
I wrote it mainly for my own purposes on my A1200 with Datel
genlock. I found that writing a scrolling caption took too long
on something like Dpaint and Scala etc were beyond my budget.
I came up with this, written on a 2Mb A1200 on Devpac 2.
HOW TO USE IT:
-------------
It was written with user-friendliness in mind and is therefore all
colour coded.
On loading, all the letters highlighted in red show which keys to
press. Here is a quick run-down of what they do:-
T - Use this to Type your message into the scrolltext buffer.
As you type, the letters will appear in the buffer.
Some of the punctuation is on the keypad. F1-10/Del/Help
have further symbols too.
Press ESCape to end. <- backspace deletes a letter.
When you press ESCape, a block appears showing where the
message is to end.
The buffer is only as long as it looks. If you overflow,
it loops back to the beginning again. The allocated space
is ample for most purposes though.
P - Play. This plays your scroll text in the position stated.
The screen will go blue, and if you have your genlock on
you will see your video. Press the right mouse button to
start the scroll and left to end it. If you have a three
buttoned mouse, you can turn it off with the middle
button without returning to the menu.
F1-6 - Changes the "ink" colour of the text as shown.
The menu's colour changes, so you can see what you've
selected.
Up/Down - Changes the speed of the scroll. 4 is about average.
B - Toggles the black Background on or off.
W - "W"here toggles whether the scroll is at the top or
bottom of the screen.
Q - Quit.
G - Toggles Genlock sync on/off. You should set this on
when you have your genlock installed. Pressing G without
a genlock WILL cause a crash. Don't do it.
You should become familiar with the keys very quickly as it is so
simple to use.
ABOUT THE PROGRAM:
-----------------
The program was written on an A1200 with WB3 and has been tested on
an A500 with WB1.2. It has only been tested with the Datel "Pro"
Genlock, so if it doesn't work with your particular genlock or
setup, don't get at me about it.
Dot Matrix Scroller is free, but I can't afford to go around
writing all day for free, so if you find it useful and use it
a lot please do feel guilty. (Only joking)
Anyone who feels like kissing up and getting in my good books
could do so by sending me some PD or something. Anyone doing this
will get themselves a copy of the source code should they want to
alter the program themselves (Devpac II assembler). It is all
nicely modular and thoroughly commented too.
(Send me some AGA pictures or scaleable PageSetter 3 fonts/clipart)
Also, anyone out there who knows how to test if a genlock is
present, please let me know. The hardware reference manual isn't
too great around this matter.
Any suggested improvements/bug reports to:-
Andrew Ives,
4 Sandpiper Close,
Haverhill,
Suffolk.
CB9 0JH.
England.