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suppawer

Machine language- Help

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Hello :)

I have a basic program (stac130.bas). Please, take a look:

 

disk1.atr

 

This bas file is a copier (XEX/EXE -> CAS file)

 

Please, take a look:

https://www.youtube.com/watch?v=TaBT2pdRRh4

This is the cas file generated:

 

cas1.rar

 

post-6586-0-99957100-1484011122_thumb.png

 

Well, I want to modify the stac130.bas file. I want to change some texts, sizes and location (the color is ok). I want this:

 

post-6586-0-37891300-1484011132_thumb.png

 

I mean, I want to generate this kind of cas files:

 

cas2.rar

 

post-6586-0-50029700-1484011139_thumb.png

 

Well, the stac130.bas file has machine language and my knowledge is very poor.

 

Please, help!

 

Regards

Edited by suppawer
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Hi suppawer,

 

The screen layout is in line 3010 of the program in atari basic. To understand you must read information from the Display List (DL) ;)

 

Greetings

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ok, you have to start understanding how the screen is designed, for this in the debugging mode of the altirra we write .dumpdlist

  0704: x7   blank 8
  070B:      mode 2 @ 071F
  070E: x4   mode 2
  0712:      blank 8
  0713:      mode 6
  0714:      blank 8
  0715: x3   mode 2
  0718: x2   blank 8
  071A: x2   mode 2
  071C:      waitvbl 0704

This listing does not make any sense if you do not read this DL article :-D

 

regards

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