adam242
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Posts posted by adam242
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3 hours ago, rfancella said:
Oh, and an XL power supply and manual (no use for these).
That XL power supply is the dreaded 'ingot' variant. Not to be trusted. Their failure mode is overvoltage and they tend to take most of the chips in the computer with them when they go.
Belongs at the bottom of your nearest body of water, or at least your trash can.
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Where are these kits available from?
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On 10/18/2021 at 12:16 PM, ccwrc said:
Oooooh... I want that Raid Over Moscow cart!
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So download the .car versions of the game.
http://atarionline.pl/v01/index.php?ct=katalog&sub=C&tg=Crime Buster#Crime Buster
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No XEGS cartridge requires more than 64K of memory. The XEGS had 64K RAM stock from Atari.
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Wow, that intro demo is a real attention-grabber! 😍
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Nice work repairing that completely avoidable damage. Few things enrage me more than people who don't have a clue how to properly package an item for shipment.
What method did you use to cut the hole for the monitor DIN connector?
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2 hours ago, Ecernosoft said:
Defender heavy on space bar?
Space bar activates the smart bomb in Defender, which is usually done under moments of great duress and people end up smacking it harder than they need to.
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Those backgrounds are gorgeous! Would love to see them integrated into the game.
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2 hours ago, Gunstar said:
As far as stock OS's of the various machines from the 400/800 through the last XE computers, basically two OS's, the later computer OS's simply added stuff like a built-in self test and support for International character support, nothing that would effect your program. Now there are some differences to the OS of the 400/800 and XL/XE lines, but all that boils down to incompatibility with a very few 400/800 games on the XL/XE OS's because those programmers used "illegal" instruction shortcuts on some 400/800 games that broke them on XL/XE machines. No "illegal" instruction shortcuts means no incompatibility issues. Almost all other hacked or 3rd party OS's were compatible with the 400/800 if made in that era, or XL/XE if made in their era. And stick to the OS rules, and 99% of OS's are compatible. Some 3rd party or hacked OS's even make sure they are 100% compatible with both, even if using "illegal" instruction code.
2 hours ago, Ecernosoft said:Wait, do you mean Illegal 6502 opcodes? Because I use LAX everywhere in my programs to save memory when I need to store consecutive things or reload values.
The illegal OS calls used in some 400/800 software that broke on with the XL series have nothing to do with "illegal" or "undocumented" 6502 opcodes. Some programs for the 800 used OS subroutines by jumping directly to them instead of using the provided vectors. When the OS was revised for the XLs, these routines were not located in the same memory space, and the programs would crash.
Illegal opcodes are a feature of the 6502 chip itself, and have nothing to do with the operating system.
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I own at least one of every 8-bit Atari. See my signature.
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6 hours ago, hloberg said:
the NTSC board has a place for what looks like the monitor circuitry where I believe is used on the PAL boards. (see boxed area where most of the empty board area for monitor circuitry can be seen. -from my UAV mentioned above-) So i can't think saved too much but maybe a few dollars in 1980 money. The PAL didn't have the ch3-4 switch so I guess when they added that switch they just ran out of back plane real-estate to put an monitor port.
as for why they didn't just add an external RF like AppleII or TI, they have to had a major redesign as they would had to somehow supply power to the RF box which the Atari monitor port didn't supply.
Populating the blank spots on an NTSC 600XL for composite is not difficult or expensive.. the hardest part for me was cutting a clean, round hole in the case for the DIN connector!
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More than one player and regular playfield gfx for the fighters. Run the game in Altirra and hit ctrl-f8 to see the layers.
Archer was indeed a master at maximizing the A8's resources.
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On 12/22/2022 at 3:24 AM, zbyti said:
This is very good advice. I've been happily and successfully playing through both those sets. Getting better and having fun doing it.
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On 12/21/2022 at 6:29 PM, Stephen said:
Wow - I've looked at every Rasta image ever posted (still maintaining an archive of them) and this may be the absolute best one I've yet seen!
At first glance, I thought that was the source image, not the Rasta pic!
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Very sad news. His 8-bit titles are among the Atari's very best. I also enjoy his Pool Paradise for the Gamecube.
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17 hours ago, zbyti said:
My solution for SET: 1 LEVEL: 1
I can't even get my head around how you went from step 1 to step 2 without jamming...
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Is it just me or are most of these levels literally impossible??
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Finished this tonight, guys.. I am blown away at the effort put into the art, music and story! This is truly an amazing achievement on the Atari 8-bit. Enjoyed it immensely.
Thanks and congratulations to Fandal, Poison and PG. One of the best A8 gaming experiences.
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Can someone offer a hint on the card reader/ keypad with the Greek letters? I thought the code might be someone's four-letter first name, but apparently not...
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Spray some contact cleaner into the color pot and work it back n forth a few times
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2 hours ago, Faicuai said:
Most of the above is peanuts compared to this...
From the item description:
"I do not know anything about this game."
Well, clearly...
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3 hours ago, oky2000 said:
Copyright law is Fascism. I don't believe in ism's I just believe in me
You could be The Walrus, you'd still have to bum rides off people.
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What would you want to be able to buy from Atari…
in Atari General
Posted
I'm assuming that the 7800-Mini will also play 2600 carts, so it gets my vote.