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Everything posted by evilmoo
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That's a fine question. I'll have to do some digging, or redo it from scratch.
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Thoughts About the Atari 1400XL & 1450XLD
evilmoo replied to ColecoFan1981's topic in Atari 8-Bit Computers
Yes or no, depending on what hardware you had already. And how much of a budget you had at the time. -
A relatively recent and still experimental protocol named IPFS has come about. https://ipfs.io/ It seems especially well-suited for archival purposes and data that does not change very often. As a little experiment, I dumped all of the files out of the fujiology_archive_v1_0.iso into IPFS. They are now visible through the following link, at least for as long as I host them. https://ipfs.io/ipfs/QmUc6my8cJNiF8AGjVjPtyu47iAu2ohT5oDUecUGGbYuir Perhaps we could look at using this to mirror other archives to reduce bandwidth use and network strain?
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I think that might be part of the reason the 1090XL only had five slots. If there were up to three devices on board the system (like there would be on a 1450XLD), then this would avoid conflicts.
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Thank you for taking the time to explain these oddities and nuances. I really enjoy reading about them.
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Help running Atari 800 terminal emulator from MIT
evilmoo replied to Lars Brinkhoff's topic in Atari 8-Bit Computers
The bulk of it starts at $6000. For whatever reason, there's just this stub at $0600: [0002] Block: 0600-0608 (0009) 0600 4C 07 60 JMP $6007 And a few other non-code bytes I omitted. -
Help running Atari 800 terminal emulator from MIT
evilmoo replied to Lars Brinkhoff's topic in Atari 8-Bit Computers
So just from a cursory glance of the binary file, it looks like there's no part of the file to set RUNAD ($02E0) to 0600, so the binary gets loaded in to memory, but not executed. Also it's been a long time since I've looked at atari100, so I'm not 100% sure it will directly load a DOS file directly without a DOS disk image loaded first. -
Opening a dialogue for SpartaDOS Source Code
evilmoo replied to tschak909's topic in Atari 8-Bit Computers
Can you tell us a little more about them? Since they're of little interest to all but a few people would you have any problem releasing them? -
"between 9:30am and 1:30pm" Wow you got the deluxe service or something -- mine just says "by 7:45 pm". Still, it got bumped up a day, so I'm not complaining.
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In sixth grade, I wrote an Atari BASIC program to give me remainders from division problems rather than decimal answers. Obviously not particularly intricate, but awfully handy at the time.
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It sounds like Typo II is getting LISTed to disk along with the actual program. From https://www.atarimagazines.com/v3n9/TYPOII.html "To remove TYPO II from your program: Type LIST "D:FILENAME",0,31999 (Cassette owners LIST "C:",0,31999). Type NEW, then ENTER "D:FILENAME" (ENTER "C:" for cassettes). Your program is now in memory without TYPO II and can be SAVED or LISTed to disk or cassette."
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http://www.bbsdocumentary.com/software/ATARI/EIGHTBIT/CARINA/
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I think I found a bug in the Altirra OS ROM. If I run the attached program with either Altirra BASIC or Atari BASIC rev C and Altirra OS, the printed value of pi is off by one digit in several places. If I run it with OS Rev 3, it is correct. The proper value is 3.1415926535897932384... pi.bas
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Reminds me of Alternate Reality potions.
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D'oh! I should read the docs more closely.
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This is probably a rather heavyweight solution, but you could make a PBI driver that services a PBI interrupt and then reads/writes whatever memory you want, right?
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Check out the "atdevice" interface:
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Alternate Reality: The Dungeon Atarimax cartridge.
evilmoo replied to Wilheim's topic in Atari 8-Bit Computers
It's possible I'm in the minority on this, but an extra second or two on the initial boot screen would be nice. -
Atari 8-bit Software Preservation Initiative
evilmoo replied to Farb's topic in Atari 8-Bit Computers
Thank you for the tip. -
Here's my work so far on SynCalc. It may or may not be of value to anyone: https://github.com/jduerstock/syncalc
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On a whim, I went looking up the author of MyDOS and found this: http://www.marslett.com/mydos.html