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Old 07 May 2024, 18:59   #4475
paraj
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Join Date: Feb 2017
Location: Denmark
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Quote:
Originally Posted by Karlos View Post
Independently from that, I need a planar plot routine for AGA only.

Inspired by the work @paraj has done for TFX, etc. I am thinking that the best way to approach this is to have a planar version of the text plotter write to a single plane in fast ram. This plane can be qucikly zeroed first, written to and then copied wholesale to a bitplane in the display.

The plan here is to forego having different coloured text and choose an index that hopefully lets me get away with just writing a single bitplane. The assumption here is that if you are in 2/3 mode on AGA you probably want to be as fast as possible.

I will also add an option to enable/disable messaging entirely.
I don't recall the details of the engine, but is it an option to plot the characters to the chunky buffer? I suspect that will be the fastest. Of course if the words are "pre-wrapped" or the C2P introduces distortion that might be a problem.
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