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Everything posted by Thomas Jentzsch
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Another idea how to save cycles: Use M0 and M1 alternatively! That way you have to update the stack pointer (LDX #ENAM1, TXS instead of PLA) only every 4 lines. I think that should work, no? So that would save 4 cycles every 4 lines. Together with one wasted cycle we would have another 5 cycles free every 4 lines. This would allow e.g. updating the background in 3 out of 4 lines. Or we could move "lda #RIGHT_8, sta HMP1" to the beginning of KERNEL_2 (before lda #{9}, not 100% sure about the timing). Then there would be 5 free cycles at the end of KERNEL_2 and 5 free cycles at the beginning of every 2nd KERNEL_1. That would allow e.g. changing the foreground colors.
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Why? Just because of 24 colors less?
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Both if you can. Use 6.5.1 (not 6.5), because there we made the change.
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Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
So is the 1978 a bug or not? If not, then you should make obvious that this is not the release year. Else it should be fixed, IMO. -
@johnnywc Did you find time for testing?
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Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
The wrong info was added July 14th, 2018 with a link to AtariMania. There Super Breakout is listed as "Year 1978". Looks like AtariMania is generally accepted as a reliable source of information. But obviously it is wrong (probably because the label says (C)1978, any idea why?) and the error replicated to Wikipedia too. I suggest to contact AtariMania first and make them correct their error. That should avoid discussion with the people at Wikipedia. -
Also, when turning the color pot too far, the colors become b/w. And the switchover point shifts when the console is warming up. At least on my PAL Vader.
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Agreed. Also the last ZPH show had a similar poll question and the answers seem to confirm this too.
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TIA differences between models
Thomas Jentzsch replied to JetSetIlly's topic in Atari 2600 Programming
I agree, the UI is not optimal there. But the Debugger tab has no separate player/developer settings, so I had to repeat the radio buttons on each of the other tabs. -
TIA differences between models
Thomas Jentzsch replied to JetSetIlly's topic in Atari 2600 Programming
Nope. The problem only appears when you enable "Drive unused TIA pins randomly on a read/peek". Looks like a programming error: ; Bank 6, f2eb: ldy CXM1P ; should be ldy #1 sty CTRLPF -
How do you know that they are swapped? Maybe the bankswitching works in reverse?
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Wizadry on the Woodgrain - Tiki
Thomas Jentzsch replied to Andrew Davie's topic in Atari 2600 Programming
100% understandable, nobody wants to waste lifetime with lawyers. But maybe someone else is interested into the domain? -
bcc .skipMove jsr MoveJoystick .skipMove This is the correct code in question again. Hope it helps.
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You are branching to "MoveSpeed", but you should branch after "jsr MoveJoystick"
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Wizadry on the Woodgrain - Tiki
Thomas Jentzsch replied to Andrew Davie's topic in Atari 2600 Programming
How can I edit the name of a page? -
Wizadry on the Woodgrain - Tiki
Thomas Jentzsch replied to Andrew Davie's topic in Atari 2600 Programming
Seems to work now. BTW: Why did you name "F8" as "F8 and F9"? -
Wizadry on the Woodgrain - Tiki
Thomas Jentzsch replied to Andrew Davie's topic in Atari 2600 Programming
I registered and got: Note Account validated successfully. × Error You do not have permission to view this page. -
Have you tried some games which support the SaveKey?
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Wizadry on the Woodgrain - Tiki
Thomas Jentzsch replied to Andrew Davie's topic in Atari 2600 Programming
Cool. You can also find some bankswitching info in the Stella's header files of the CartXY classes. -
Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
In general Wikipedia is a very comprehensive and reliable source of information. Comparative tests with traditional encyclopedias have proven that. But of course not every detail can be correct, especially in niche topics. -
Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
Yes, but instead of making the reviewers search through the links, you should prepare the links for them. -
Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
You have to prove two things, Sears first in October 1981 and rest of the world in January 1982. So for each you should add the dedicated links which prove that. Historical ones are definitely much preferred here, but you can add more references if you like. Also you should point at the relevant info, e.g. where to find the date of the Sears catalog. -
Wikipedia wrong about Atari 2600 Super Breakout
Thomas Jentzsch replied to Random Terrain's topic in Atari 2600
You can do too. But you have to provide good evidence. -
That's much longer than 5ms (or 80 scanlines), right?
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Stella's emulations is not 100% perfect. Are you maybe writing too much too fast (s. comments above)?
