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Change palette mid-scanline
Posted: Wed Jan 04, 2023 3:29 pm
by grml
I've noticed that changing the palette anywhere in the middle of a scanline does not have an effect until the next line. Is this a limitation in the emulator or a hardware limitation?
Change palette mid-scanline
Posted: Wed Jan 04, 2023 4:50 pm
by ZeroByte
It's the emulator, which pre-renders entire scanlines with a snapshot of the VERA state - mid-line changes don't take effect on the emulator, but they do on real HW.
Change palette mid-scanline
Posted: Wed Jan 04, 2023 5:43 pm
by grml
Right, that's what I thought. So no beam-racing experiments for me right now ?. Thanks!
Change palette mid-scanline
Posted: Wed Jan 04, 2023 7:00 pm
by StephenHorn
If you're interested in beam-racing, you might look into Yazwho's BitMagic emulator.
Re: Change palette mid-scanline
Posted: Fri Jan 06, 2023 10:23 am
by grml
StephenHorn wrote: ↑Wed Jan 04, 2023 7:00 pm
If you're interested in beam-racing, you might look into Yazwho's BitMagic emulator.
/index.php?/topic/5085-new-productivity-upload-bit-magic-the-very-unofficial-x16-emulator/&do=embed">
I'll have a look, thanks. Also trying to find details on VERA's video timings, without much luck so far.
Damn yeah phpBB! That old forum software really SUCKED!
Re: Change palette mid-scanline
Posted: Fri Jan 06, 2023 7:32 pm
by Yazwho
Also trying to find details on VERA's video timings, without much luck so far.
It depends on what you're looking for, but
this might help. I think some of it is a bit out of date, but it should give you a good overview.
Additionally I'm sure any questions (or clarifications) you may have would be answered either here or on Discord.
