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Antic Mode 4 communicating the high bit status to GTIA for color picking


robus

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1 hour ago, Ecernosoft said:

It works via the color "3" (Both bits are 1) is different if the 7th bit is set or not. If it isn't it will be COLOR2 and if is it will be COLOR3.

Thanks, I got it working and GTIA is now much simpler as I now send the color data through the emulated AN0-2 bus. This has definitely been a learning experience, which was entirely the point :)

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17 minutes ago, robus said:

Thanks, I got it working and GTIA is now much simpler as I now send the color data through the emulated AN0-2 bus. This has definitely been a learning experience, which was entirely the point :)

Just wait untill you get into the 7800 where you need to deal with the wonky sprite system :)

 

But you can have over 200 sprites 😃

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On 10/3/2022 at 7:22 PM, Ecernosoft said:

Just wait untill you get into the 7800 where you need to deal with the wonky sprite system :)

 

But you can have over 200 sprites 😃

If I can get this thing running Star Raiders respectably I’ll consider it job done :)

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