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Found 64 results

  1. Can anyone give me any pointers as to how to diagnose a 400/800 RAM board? I have a 48k one and a 32k one and i feel ive done all that i can with them but I just keep getting the red/brown screen. ive checked traces for continuity where there should be and shorts where there shouldnt be. Ive checked the 4116 DRAMs work in a standard board and ive checked that the 4164 DRAMs work in an XL. The 48k one receives it's SEL4, SEL5, A14 and A15 connections from the Z103 socket (via a small piggyback PCB) and it also gets the RD4 and RD5 from the cartridge socket (via 2x wires). Does anyone know of a procedure for troubleshooting? Im wondering if the 74LS glue logic is at fault. cheers!
  2. My apologies if this has been covered somewhere but I've done a few searches and read through the restoration thread and have not found anything. The cartridge cover on my 800 doesn't open very well. When I release the latch, the door does not really move on its own. I can see that it could move but there is enough friction that it does not. I don't need it to spring open like a catapult, but I would like it to be smoother and free of binding. What success stories do people have? Are there non-damaging methods to lubricate the pivot points so I can reduce friction? Some oils can attack plastic. I would not want to risk softening the door or any surrounding areas.
  3. All this is about original 400/800 "non-XL" machines: I am trying to use tf_hh's 400 RAM card to best effect by burning an EPROM with Fastchip and Omnimon for the 400/800. While I have found a lot of documentation I have not been able to collect the necessary ROM files (or at least to assemble them in a form that works on Altirra before I burn them). My understanding is that I need 8K of OSN OS ROM which is patched to allow, inter alia, access to Omnimon with System Reset + Option, 4K of Omnimon and (optional) 2K of FastChip which should be assembled in the following sequence: Fastchip C000-CFFF empty/zero D000-D800 (hardware registers) FP ROM D800-DFFF OS ROM E000-FFFF I would be happy with a single file I can burn but short of that appreciate any vectors on where to find working ROM files. There is documenation about an extended Omnimon and a combined Omnimon/ROMDOS but I understand these to require a RAMROD board that allows for bankswitching in the C000-CFFF area. As I will eventually try to use these on an Incognito 800 as well, would that support bankswitching of the OSN type in the C000-CFFF area?
  4. Hello, Today I had some free time and began making a Static 512k Ram Card for my Atari 800. (shits and giggles! every real expansion has already been made by smart people!) LOL! SO!!! Data Bus D0-D7 Address Bus A0 to A12 (8K for testing) So my question is..... R/W should go to Early r/w or late r/w?? or condition it with?? /CE to S0 (for 8k, for testing) eventualy S0-S5 AND'ed for 48k /OE where should it go?? Condition it with?? Later Ill add a data latch for memory banking.. Thanks In Advance!!
  5. Hey everyone. I'm looking for a 400\800 computer right now. Working of course. I really just need the computer itself. I already have a 800xl, (so I assume they use the same power\rf.....correct me if I'm wrong). Pm me if your interested in selling. I would prefer 800, but I could also be interested in a 400. All if this if the price is right and we can work out a deal.
  6. For quite a while now, I have been looking for a ROM of the ATASCII Animation program that was for the Atari 800, "Atari Toons". I used every search engine I know of, trying to find a ROM of it, and I have also been to a ton of ROM sites as well, but I can't seem to get ahold of one. I also can't find any physical copies of it on eBay or Amazon. Can someone help me out?
  7. So I might be buying this Atari 800XL and all these extras in the next few days. Problem is, I'm not sure what it's worth. I've sold computers like this in the past and they seem to vary in price tremendously which renders my information on them skewed. So what is all this worth? Just judging what you can see of course. I'll include the description the seller gave me as well. Please help! "Here is a pic of the system in the box. The box does have a rip that was taped. I would have to look to see what pieces I have but I am pretty sure I have the disc drive & the modem. This was mine when I was growing up.....just a few years ago " "Here is what I have a disc drive, the box that connects them, 2 joysticks & a printer. I also have the books that came with the disc drive & the computer & a book of programs. I remember spending HOURS typing those things in to watch a dot go across the screen. How times have changed!!!" She is thinking somewhere around the $80 mark, which I think is a good price, but how good exactly? Any information helps. Thanks!
  8. Hello everyone! Okay, so I know this isn’t a topic about the 5200. I just couldn’t find the right place for my post. I am new here and my husband and I have an Atari 800 (1979). We also have a 410 program recorder. Both he owned since new. We just replaced the belts on the 410 recorder and got it fired up. But we are having a few issues. 1) I put a blank cassette in, started at the beginning of the magnetic strip, and put the Program counter to zero. I was able to record the program I was working on, but when it comes to CLOAD ‘ing the program, the 410 recorder will throw a few different codes. 143, 138, 29 and 130. Since my husband is the original owner we luckily have the original owner’s guide for the 410. Inside it said that (codes 143, 138) the head of the tape deck needed to be either demagnetized or cleaned. So, I popped in a demagnetizing tape, and a head cleaner. Plus I did a traditional head clean with rubbing alcohol and a q-tip. We then ran a traditional cassette inside the program recorder with the POKE command, (to eliminate head issues) and it did manage to play music through the television. The audio was clear. So we again tried CLOAD ‘ing the program I CSAVE ‘ed with our system, and still received the same codes. We also tried several other cassette games and it was the same issue with the same codes. After CSAVE ‘ing it will display the “Ready” prompt. But will continue to struggle to load anything. Has anyone else had this issue? Or could offer pointers on why it is unable to load anything? We just replaced the original CPU/GTIA in our Atari 800 and it plays games beautifully. Plus it will read the programs I create in BASIC. The computer works great. So please note this appears to be an issue with the 410 program recorder only. Or could it be something else? 2) The other issue is... The rewind button is not working on the 410 recorder either. We have been using another tape deck to rewind. We did replace the belts, did one slip? Also, I have inserted my cassette with the Recorded program (only) into a standard cassette deck and it will make the typical screeching. So the program is there. let me know your thoughts on all of this. I am looking forward to saving programs.
  9. So I pulled my 800XL and gear from storage. It'll boot up to READY prompt, play a cartridge game, and pass all self tests. However, I'm unable to use any of my peripherals (2x 810 drives - one Happy, 1010 recorder, and 1025 printer). Any help isolating the problem is greatly appreciated. Here's what I've tried so far... - CSAVE: No apparent issues trying to save "hello world" program to cassette. Beeps and starts spinning while recording. Back to READY prompt and recorder stops when done. - CLOAD: Error 138. Apparently didn't record. RETURN key properly starts recorder playing but no noises. - LIST/LOAD D1 & D2: Error 130. Nothing. Neither drive will spin when turning computer on. OPTION-on goes straight to test screen. Drive switches are set to 1 & 2, and have tried swapping them, plus each individually as D1. Note: Drives will power up with momentary busy light when computer is off. - LIST "P:": Error 138. Nothing. Printer head resets position when turning on computer. I've tried all peripherals daisy chained and individually, swapping out the IO cables with same results. I removed all socket chips from the motherboard, cleaned everything and no difference. Need a new POKEY chip? Anything else it could be? Thanks for the help guys!
  10. I've had a vcs and Intellivision for a long time now, I have the opportunity to buy a 400 computer with a bunch of game cartridges pretty cheap, but I've heard most of the 400/800 games availible were just 2600 games with graphical upgrades. I can see there are a few titles I don't have for any system, just wanted to ask what people think about it.
  11. I put this same post in the wanted sub forum but after posting it I realized I should of probably put it here instead. So that was a mistake on my part and Im sorry, but anyway; Im looking to do a trade with my Atari 800. Its ram is maxed 48kb, everything does work on it, and all the keys do work. The flip cover on top works, though it might benefit with some grease. Everythinng does work 100%, the one catch is that the 8 key, even though it works great, falls out. It just needs to be glued in or something, though it wont give you any trouble using it. It pops right back in. Message me and Ill end you pictures, the 800 is slightly yellowed (I dont know its orignal color so idk by how much) Its one of the super late 800 models made. Im looking for an 800xl or 1200xl because it matches my accessories (I have the 1010 and the 1050 with a 1025 printer). If you have a 1200xl Ill do the 800 plus cash (we could work out the deal). I never used its extra features like the 4 joystick ports and the right cartridge slot. Id send you the power supply to the computer of course. You wont be disappointed! Id look for a relatively clean working (just like mine) 800xl or 1200xl and Id ask for its power supply like normal. The 800 has its RF cable built into it and I dont think the 800xl or 1200xl does, so Id ask for an RF cable so I can plug it into my tv monitor. Message me if anyones interested, a straight trade and we both would just pay for our own shipping. Ill even through in my 800 computers manual! Thank you for reading this in advance.
  12. If this is true, is it possible to tell me what programs these are? Thanks.
  13. After picking up an Arabic NAJM Atari 65XE i started searching for info on it. That led me to someone stating they had a Hebrew Atari 8-Bit (both with keyboard and OS variants). I'm wondering what other Atari 8-Bit computers came with different language variations? Is there a list that shows all different Atari 8-Bit computer keyboard language versions? I tried searching the Forums but only found keyboard variations - not language / OS variants. Would love to find out more (and collect) other Non-English Atari's
  14. So, Hi As the title states, I'm searching for PAL A8 items in working condition. - 1200XL - Atari 5200 (no preference over 2 or 4 ports) - PSU for Atari 1010 (got 2 tape players, NONE with a PSU !) - A8 accessories or related goodies (manuals, advertisings, Atari/Koala pad, etc...) In working order, loose, eventually with the PSU for the 1200XL (I have a step-down converter, don't worry), RF cable not mandatory, box & manuals not mandatory ! If you have a bundle of cartdriges for XL/XE pal computers for cheap, I'm interested too I am in France, and I'll pay for the shipping TRACKED and SIGNED FOR even from the USA. PM If you have any of what I'm searching for...
  15. For those of you still needing to fill that Tigervision hole in your 8-bit Atari collection, there's a 'Matterhorn' up now: http://www.ebay.com/itm/Matterhorn-HOLY-GRAIL-for-Atari-8-bit-Computers-400-800-XL-XE-ONLY-SEVEN-KNOWN-/111629975616? Not the crème de la crème, but rare as sin nevertheless.
  16. SOLD For Sale: Indus GT for Atari 8-bit machines. Tested, fully working, smoked door intact. The whole unit is very nice. Sorry I just realized the pictures are out of focus. If you need better pics, let me know. Has all the disks with their manuals, plus the overall disk drive manual. I rarely see one of these for sale with all of the disks and manuals... in their original Indus sleeves too. Has original working power supply with the "For use with Indus GT only" sticker wrapped around the input side. No disappointments here... goes great with your 800xl, 1200xl or any other Atari computer. $100 plus actual shipping. I'll double box it and pack it carefully. Prefer cash (PayPal), but will consider trades, tell me what you have, I'll tell you if I'm intersted!
  17. Does anyone know if there is a place that makes original size, material, texture, font nameplates? It would most likely cost too much for a small run of 150 or so, but I'd like to know if anyone has made anything like this.
  18. I am selling all the components and the following software as one bundle, unless you let me know what you want and how much you want to pay for a certain item. This was all found in my inlaws home and as of right now, untested. I am going to start testing some items this week. I will take offers as I dont know what it is worth. I dont have the time to separate and list everything by itself. After I get say 4-5 offers, I will sell it to whoever wants it most. I feel here, it will go to people wanting items for their own, not just a reseller although I know you will sell items you dont need. Ok, this is what I found for software. Almost everything has the box, disk or cartridge, and manual. Most boxes are not great, but they are there. Not faded, but just smooshed. Centipede Pack Man Space Invaders Pacific Coast Highway Sesame Street Print Kit Congo Bongo Davids Midnight Magic Ball Blazer game only Monopoly game only Wheel of Fortune game only PrintShop & Print Shop companion no box Net Worth Data Soft Spell Wizard Star League Baseball Time Wise Atari Writer Computer Facts in Time Paint Advanced Music System looking for disc Music Composer Paperclip looking for disc Pole Position Touch Typing Invitation to programming 2 Ms Pack Man Star Raiders Astrology Wiztype Also some books if people are looking for that kinda stuff 101 Atari computer program tips & tricks your Atari computer 400 & 800 Inside Atari Dos Computes 1st book of Atari Atari Basic Book Inside Atari Basics Atari Games and Recreations Picture this All the hardware seems to have the owners manual as well. I am almost certain all the cables are in the one box as well. I dont have the time to piece it all, but will piece some if needed. If you need something, just let me know. Brad
  19. Hi. I'm trying to extract music from one demo file (X-Files, The (1988-02-01)(SHP)(pl)[stereo]), all I get after extracting is 14 corrupted 1Kb files. I tried to use ATADIM, makeATR, Altirra, etc- no luck... Are there any chances to extract the sound files? Thanks in advance for any help P.S. The demo file itself- http://nitroroms.com/show/file-info/L45161/Atari_8Bit/X-Files,%20The%20(1988-02-01)(SHP)(Pl)[stereo].atr.html
  20. I found some weird stuff at a yard sale recently. Can't price a lot of it online. Any help as to identifying or pricing any of this stuff would be really awesome!
  21. I may be tempted to part with my Prototype Incognito personality board for the Atari 800 (with Candles blessing) This is one of only 10 pre-production prototype boards made. It has been signed by Candle, it is fully working so could be fitted to your 800 if required, and I will include an unused fitting kit. Open to serious offers
  22. I am looking for a case with a working keyboard. Internals not needed.. just want a good working keyboard. If you have one let me know what you want for it. James
  23. Relisting as possible bundle... Even though no replies (or even view,) cannot delete it
  24. From the album: Yes my collection

    I always find myself using this controller over all the average joysticks I have because compared to those it's very fluent. I bought this from whoever sold their Atari XEGS to me. I'd have to say whoever made this deserves an award of some sort. It's just great.
  25. After my experience with 2600 Midnight Magic and the response I decided to try a whack at porting a simpler but motion oriented game, Seaquest. I don't intend to make a career out of porting 2600 games -- for sanity reasons, if nothing else -- but this was a fun little game I remember that was good for quick runs growing up, and I figured I'd try a game that was a bit more sprite heavy. Again, this is a close-as-possible port of the original 2600 game, based on the original binary code. Porter's comments: Midnight Magic was a 16K banked game, but Seaquest is just 4K. No banking to rip out. This time the porting cost was +0.5KB. Joystick 1/2 for controls, Start for Game Reset, Select for Game Select (1 or 2 players), Option flips both left and right difficulty. B&W/Color hardwired to Color. Default is easy difficulty, switching to hard slows down the shots. Like many 2600 games, this was made for NTSC and it will play slower and with a bit funny colors on PAL. Sorry, but the game doesn't have fraction tables and PAL GTIA colors are significantly different, and I'm porting these games as-is. Adaptation is an exercise left for the reader. Decoding sprite positioning from a 2600 display kernel... sucks. I had to duplicate some data to emulate player reflection. As I expected, repeating sprites would be a pain. Seaquest displays up to five 8-bit player sprites on a scanline plus a missile, so a straightforward mapping to GTIA sprites wasn't an option. Since only one of the players was repeated I reimplemented the enemies on top of the playfield. There's also quite a lot of interesting code in the game to deal with the case of you shooting out one of a group, by recomputing a new horizontal position and switching the NUSIZ1 pattern to match the remaining enemies, which took me a while to figure out (I couldn't figure out at first why the sharks were jumping when shot on some waves). If someone wants to try putting this in ROM, there was one location that I used self-modifying code (because I was lazy). Dethreading the player sub and torpedo from the entire display kernel was annoying, but the huge pain in the butt was the divers. It turned out they were rendered using the ball, by moving and re-sizing it on every scanline. Once I figured this out I was able to rip out a ton of the display kernel and remap the divers to a regular GTIA player. The entire display is shifted a bit left than I would have expected. I didn't notice this until I put in the sea bed and started comparing the position of everything. I've kept the existing positions, but one side effect is that you can spot sprites popping in on the right side. Based on the 40-bit playfield, I think this is correct and was intentional to prevent sprites from wrapping around HBLANK on the TIA, but I don't have a real 2600 to verify (the right part of the screen is cut off in Stella). Unlike MM, Seaquest does use hardware sprite collisions. Fortunately, GTIA's collision capabilities are a superset of TIA's and this was easy to map. The TIA 5-bit div 6 sound is a problem here again, this time more apparent as it affects the player shots. I've mapped it the same way, but it doesn't have the nice metallic sound. I thought about trying high speed IRQ emulation, but bands of background gradients made this difficult. seaquest.zip
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