Re: A83: Ways of Drawing to the Screen?


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Re: A83: Ways of Drawing to the Screen?




no, iline copies to buf.. i did it with periodic table 2..
				-ahmed

At 10:00 PM 10/11/98 EDT, you wrote:
>
>Ok, my first original question was suppose to ask How do I draw lines to the
>backup buffer? Because as far as I know, "_ILine" ONLY draws to the display,
>and not to the buffer at all, and doing many of these over and over makes the
>process of watching the screen being drawn, real slow. It looks bad if it
>doesnt just pop up completely drawn, and how it is now, it looks very
>choppy... Whats the best way to make it look more profession and drawn
>quicker, without having to LDIR the Whole screen...? =P
>
>																--Jason K.
>
>In a message dated 10/11/98 8:16:01 PM, ahmed@ticalc.org writes:
>
>>what do you mean?  Without displaying it?  Just don't call _grbufcpy_v
>>until you do all your graphics.. do one at the end.. if you just want a
>>faster copying, just use Joe's routine from ZGFXL.  I use it in ZTetris
>>83.
>>							-Ahmed
>>
>>At 07:43 PM 10/11/98 EDT, you wrote:
>>>
>>>Is there anyway to draw lines ONLY to the Buffer? I need to put many lines
>>to
>>>the display but I don't want it to look very slow and choppy when doing
>>it...
>>>If there isn't a direct way to do this, then tell me the best approach
>>to
>>>doing this...  I was thinking I could turn the contrast way down, draw
>>the
>>>lines to the display, and set the contrast back to its setting, but then
>>it is
>>>still faintly visible, so that doesn't work to well... What if I were
>>to shut
>>>of the screen for a moment, draw everything, and then turn it back on...?
>>Am I
>>>contradicting myself there because the LCD has to be On to write to the
>>>display? :\  Well, can someone tell me a Call or a Routine to copy the
>>Display
>>>to the Buffer, because then I could just make it look choppy the first
>>time I
>>>write all those lines, and then cleanly just recopy the Buffer to the
>>Display
>>>all the other times... Hmm, can somebody help me here, and kind of walk
>>me
>>>through it? =P
>>>																--Jason K.
>>>
>>>
>>Ahmed El-Helw
>>ahmed@ticalc.org
>>http://www.ticalc.org
>
>
Ahmed El-Helw
ahmed@ticalc.org
http://www.ticalc.org
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