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Assembly "Pixel Plot" in multicolor mode


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I don't know if this helps but here is a Multicolor program designer
https://www.ti99iuc.it/web/index.php?pageid=database_cerca&archivioid=1002

1087988338_Multicolorv3.1-3(ExampleDraw).thumb.png.2ae8f76f612b461a491b9b68ad592677.png

here is the code in assembly: 
https://www.ti99iuc.it/web/sfoglia/?cid=148&sub=sfogliabile5#book/15

 

Sorry but it was an Italian publisher in the 1980s, I hope it can help anyway.

 

There is also this PLOT Routine otherwise, (it is from Programs for TI Home Computer - Book )
https://www.ti99iuc.it/web/index.php?pageid=database_cerca&archivioid=378

Circleb.thumb.png.2a36a7e1d2e45fad67ca6f04c4224073.png

But I don't think it's in multicolor mode anyway.

 

Edited by ti99iuc
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The post numbers, yes, they went away during the last migration / forum "upgrade".  It was brought up in the feedback sub-forum, but apparently is not consider important enough to add back.  Personally I liked having those links and post numbers, but I guess that is not considered "modern" any more; similar to places where you want to see a date but instead you get the words "today" or "yesterday" or "5 days ago", etc..  Not useful.

 

As for the OP question, I'm sure there are some common routines out there, maybe.  Look at the stuff Rasmus posted, since other than TI's DEMO cart, he is the only one who has ever used MCM mode. 😁

 

The main problem with MCM is you can't display regular tiles, i.e. text or shapes, other than with sprites.  Your MCM "pixel" is essentially 4x4 native-pixels.  Makes for a very early Atari 2600 kind of feel about things.

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On 10/25/2022 at 12:31 PM, ti99iuc said:

I don't know if this helps but here is a Multicolor program designer
https://www.ti99iuc.it/web/index.php?pageid=database_cerca&archivioid=1002

1087988338_Multicolorv3.1-3(ExampleDraw).thumb.png.2ae8f76f612b461a491b9b68ad592677.png

here is the code in assembly: 
https://www.ti99iuc.it/web/sfoglia/?cid=148&sub=sfogliabile5#book/15

 

Sorry but it was an Italian publisher in the 1980s, I hope it can help anyway.

With some help from Google translate, looks like this will do the trick. The limitations of Multicolor mode notwithstanding, it's perfect for the application I have in mind - an implementation in assembly of Wa-Tor, the toroidal population dynamics simulation originally published in Scientific American's Computer Recreations column (December '84). I coded it in Pascal for the Mac back then, so it's a suitable exercise for one's second childhood.

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