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DarkBASIC Professional Discussion / Print command and scrolling

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Divided
FPSC Reloaded TGC Backer
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Posted: 14th Nov 2014 15:35
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Hey!

I'm currently developing a text based program and I use the print command often.
I notice that I don't want the program to scroll down after it reaches the end of the screen.

What would be a good solution for this and if possible how to implement it.
Basically I would like the program to, once reached the bottom, to either clear
itself and go back to the later point in time or stop scrolling down and just
clearing the bottom three(ish) lines re printing the message.

Thank you to anyJuan who can help.



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Derek Darkly
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Posted: 15th Nov 2014 14:02
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Howdy!

Instead of PRINT, try using either TEXT or CENTER TEXT.

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Divided
FPSC Reloaded TGC Backer
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Posted: 15th Nov 2014 14:07
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Thank you for your response!

I currently use both but predominantly print as it is perfect for the
situation. The only problem is when a user doesn't enter a word correctly
an error message appears. if the user enters the wrong thing too many
times, the screen will start to scroll, effectively moving my TEXT
commands up the screen where they shouldn't be and out of the sight of
the user.



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MrValentine
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Playing: FFVII
Posted: 15th Nov 2014 15:31
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ENTRY$

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Divided
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Posted: 15th Nov 2014 15:35
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Thank you very much!



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MrValentine
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Posted: 15th Nov 2014 15:55
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Phaelax
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Posted: 16th Nov 2014 04:07
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Use SET CURSOR in conjunction with PRINT to keep text in the same place and prevent the scrolling effect.


"I like offending people, because I think people who get offended should be offended." - Linus Torvalds
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Jeff Miller
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Location: New Jersey, USA
Posted: 16th Nov 2014 13:03
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The way to prevent the print command from resetting the cursor to the next line (which can move up all the preceding text when the next line would be below the bottom of the screen) is to end the print command with a semicolon.
PRINT text$;
Without the semicolon, DBPro executes a "carraige return" after executing the command, thus placing the cursor at x=0 and y= beginning of next line.
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gamerboots
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Posted: 16th Nov 2014 16:07 Edited at: 16th Nov 2014 16:08
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Alternately, you can use printc , or text commands. If you use the text commands then you can clear an area using the box command in conjunction with the ink command (be sure and reset the ink back to normal color instead of using the background color) Here is an example for you.


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Divided
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Posted: 17th Nov 2014 01:27
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Thanks guys! very helpful!



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