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Found 99 results

  1. Hey, I've released a new music album that contains 11 tracks written between 2010-2015 for Atari pokey sound chip (found in 8-bit Atari computers) with Raster Music Tracker. I thought this might interest a few folks here. Check it out: https://warlord.bandcamp.com/album/pokey-nights
  2. Mega May 2019 "rolls" on!
  3. Hi, I'm wondering if I'm the only one here that remembers Eliza? And if you do remember, just what was your feelings on it?
  4. MEMOIRS OF A NOVELTY ACCOUNT VOL. III, ISSUE III When a coworker approached me about two and a half months ago asking if I would compose the music for his video game, I was skeptical. After all, I had never seen a serious development project. Upon looking into it, however, I discovered that his ideas are full of potential and his drive to get things done is exceptional. In other words, I fully believe in his project, and am helping to the best of my ability. Since I am (or was, sorry...) active in the AtariAge community, I thought that an announcement here might help the game gather some traction. I know you all appreciate the essentials of good game design, and some of you are even programmers yourselves. I can attest that my coworker is a competent programmer and a lot of work has already been done on the project, technical and otherwise. Although the scandal involving the Ataribox crowdfunding campaign had soured me to the idea somewhat, I believe this is an entirely different situation. We already have material -- whether we're going to reveal it, though, is up to the community and the amount of support we receive. I hold a deep respect for the moderators and users of AtariAge, and I trust that this can be a success for all of us. I am posting a link to the GoFundMe page for our game, "They Keep Coming". Please visit and consider making a donation, and also feel free to comment and ask questions. I will be sure to provide updates on this blog when it is pertinent. Thank you. https://www.gofundme.com/They-keep-coming
  5. I'd like to announce opening up of a website I've been working on over the last few months. It's dedicated to programming, DOS, utilities and other serious (non-game related) software, documentation, and other resources. Most of these resources are available at other sites around the web as well, but the presentation, organization, and some content is unique; and some of the resources you'll not find together elsewhere. I'll also be using it to house documentation updates that I've done quite often (adding bookmarks and improving cover pages, etc.), which I'd formerly hosted at these file-sharing sites that seem to come and go from month to month. So it'll be a permanent location for those resources. The site is more focused on quality and interesting software, rather than quantity, OSS being one of the main focuses. Right now I just have enough content to get things started, but I'll be adding more content as time goes by. Some textual content is incomplete (section descriptions, etc.), and some graphics are just placeholders for the moment. So they'll be other changes to the site besides adding content in the future as well. If anyone has suggestions or resources that they think might fit into the scheme/concept of the site, please feel free to speak up / contribute. Check it out here: Serious Computerist
  6. Vasco

    Lost Party

    Lost Party 2019 is a brand new demoparty bringing together all 8-bit platforms with special emphasis on Atari XL/XE, Commodore 64, ZX Spectrum and Amstrad CPC. The Party will be organized by an experienced members from Tristesse who've participated in organising Last Party (1997-2003, 2017) and Lato Ludzików (1999-2002). Lost Party is meant to become a regular party with regular compos such as demo, intro, graphics and music. Voting will be available for sceners all around the world. We accept remote entries and we will also allow remote voting for everyone who can't come to the party but would still like to support us by buying a ticket. The party will take place in Licheń Stary, in the very center of Poland. We'll have a big party hall capable of fitting 120 people. Next to the hall you'll find a lake, two markets and quite a few hotels/hostels. More informations: https://www.lostparty.pl/2019/en/ https://www.facebook.com/events/271007093444145/
  7. 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.
  8. Hello, I am keen to understand the inner workings of the game Crossfire for the Atari 8-bit computer. I find it to be a great game. I'm then going to try to port it slowly to all the other 8-bit computers, to learn how to program each old 80s micro. As a starting point, unlikely I know, does anyone have the original source code for the game Crossfire? If not, what would be the best software to disassemble this game? Thanks in advance, Nick
  9. This is how the data is stored in files on this type of computer. NOTE: This is a work in progress. I will be updating this post as I think of stuff to put on here. Bytes $20-$7F represent the standard ASCII character set. Character $7F represents the cursor symbol. Bytes $00-$1F are control codes. $00 - ROM Section Header $01 - Palette $02 - Graphics $03 - Mappings $04 - $05 - $06 - $07 - $08 - Set Tab Width $09 - Tab $0A - Line Feed $0B - Comment Tab $0C - $0D - Carriage Return (same as $0A) $0E - $0F - $10 - $11 - $12 - $13 - $14 - $15 - $16 - $17 - $18 - $19 - $1A - $1B - $1C - $1D - Change Label Line Color $1E - Change Label Line Toggle $1F - Toggle Show/Hide Labels Characters $80-$FF are more control codes. When the file is saved, it is compressed using LZSS.
  10. A good assembler has ROM section headings. These are a way to cleanly divide the source code into settings, so you can definitely figure out at which address each section starts. Think of an assembler as if were like Microsoft Word. Section headings could appear as solid-colored bars with text on them. The user should have control over what color to make the bar. They also might have control over the font. For example, your main program header might look like this (note that all images are simulated): Notice I used the Roco font. Anyone familiar with Sonic The Hedgehog 2 will recognize this, but it's the actual font, not the Sonic 2-rendered one. Every computer program needs a vertical blank (or "V-Blank") routine. Its header might look like: One common thing to have in any program are math routines. So, you might include a section like this: For a hardware/software implementation, fonts could use a bitmap. Up to 96 different character glyphs can be stored. In addition, the numbers could be made a little bit bigger if the user chose to. Each character's bitmap can be stored using 1, 2, or 4 bits per pixel. For each character, the size needs to be specified, as well as where its glyph data can be found. For file storage, section headers could use this format (each pair of letters represents a byte): hh ff rr gg bb ll tt tt ... hh = Token for a section header (a fixed value). ff = Flags. If bit 7 is set, restart the numbering at 1. If bit 6 set, toggle whether the number is shown for this and later sections. rr gg bb = Section header color, a 24-bit RGB value. ll = Length of text. tt = The text shown. It doesn't include "Section #". It's in ASCII. Let's say that the section header token is $00, and I'll use the vertical blank section header as an example. The byte stream in the source file would look like this: 00 C0 00 60 20 0F 56 42 4C 41 4E 4B 20 52 4F 55 54 49 4E 45 53 The 00 signals the start of the section header. C0 means to make this section #1, and turn on section numbering (by default, it's off). 00 60 20 is the RGB value. It produces a dark green color. The 0F determines how many characters there will be in the section's name. The rest is the text, in ASCII. The text says "VBLANK ROUTINES". Section headers are not taken into account when compiling a ROM. They are there to cleanly divide source code. When the file is opened, the number of headers is counted, and section numbers are assigned accordingly.
  11. Did you ever enjoy playing with food coloring? I did, many times. And that, plus my lifetime fascination with computers inspired me to come up with this blog. These are the 16 colors from the Intellivision, rendered in McCormick Food Coloring. It uses the standard red/yellow/green/blue, plus the neon purple/green/pink/blue, and black. Black: 8 parts Black Blue: 7 parts Blue, 1 part Red Red: 7 parts Red Tan: 2 parts Yellow, 1 part Red, 1 part Green Dark Green: 10 parts Green, 1 part Blue, 2 parts Black Green: 6 parts Green, 3 parts Yellow Yellow: 7 parts Yellow White: None Gray: 3 parts Black, 1 part Neon Purple Cyan: 3 parts Blue, 1 part Green Orange: 3 parts Yellow, 3 parts Red Brown: 7 parts Yellow, 6 parts Red, 6 parts Green Pink: 2 part Red, 1 part Neon Pink Light Blue: 1 part Neon Blue, 1 part Neon Purple Yellow-Green: 3 parts Yellow, 1 part Green Purple: 7 parts Red, 3 parts Blue And here's what they look like. Notice that they look kind of pastel, but that's because I used an opaque white paint as my medium. That does it for this segment. Next time, I'm going to render MSX colors using food coloring.
  12. walker7

    Palettes

    From the album: The Best Assembly Computer

    A set of 7 different color palettes to use while programming.
  13. walker7

    Section Header 0

    From the album: The Best Assembly Computer

    This is what the section header for the main program would look like. Note that it doesn't have a section number.
  14. Would there be any possible way to save files in cassette format on any Atari 8-bit computer emulator? I looked at many various emulators such as Altirra, A8E, Atari800win plus, etc, and I can't seem to find any option on any of those for what I'm trying to do.
  15. I know this is such a stretch but would there be any possible way to connect my Atari XF551 floppy disk drive to my Windows XP computer? I'd like to transfer Atari files to and from my PC. I really can't get an internal 5 1/4 floppy drive for the XP because they are just too pricey.
  16. My first transaction with AtariAge'r ACML went flawlessly and he was communicative throughout the process. He has my recommendation, and I look forward to any future purchases from him! --Tim
  17. Hello, I have a few vintage 8-bit systems from the 80s that were built in Japan for sale. National CF-2000 MSX Computer (aka Panasonic, Very clean inside) https://www.ebay.com/itm/263405997196 Toshiba Pasopia 7 Computer (Was extremely hard to get a hold of) https://www.ebay.com/itm/263406023908 NEC PC-6001 Computer (akak NEC Trel in America) Like the Aussie VZ line, aka Z80 plus Motorola 6847 (ala Color Computer) https://www.ebay.com/itm/263398288115 Epson PC286C - PC Club (286 machine dubbed as 'Amiga killer' ) https://www.ebay.com/itm/263394723135 Should also mention I have some old 80s Japanese manuals as well. NEC PC-8001 N-BASIC Programming Manual & Reference Book https://www.ebay.com/itm/263405784970 101 TRS-80 Color Computer Programming Tips and Tricks (Radio Shack CoCo) https://www.ebay.com/itm/263405958562 Epson-PC286-Disk-BASIC-Reference-Manual-PC-Club-NEC-PC98-Japanese https://www.ebay.com/itm/263405686054 Epson PC286 Disk BASIC User Manual (PC Club, NEC PC98, Japanese) https://www.ebay.com/itm/263405678212 Last but not least, I have LOTs of MSX computer platform games from the 80s. https://www.ebay.com/sch/colorcomputerstore/m.html?_nkw=&_armrs=1&_ipg=&_from=
  18. Sold! SIDE Cartridge - Compact Flash Interface with 128MB SanDisk Card, up for sale on Ebay: eBay Auction -- Item Number: 322018817890
  19. 8-Bit buddies 8-Bit themed classic trading card stickers. 80 stickers in series 1. Preorder a box now on kickstarter http://www.kickstart...g-card-stickers
  20. I'm forwarding this on behalf of the SRCS admin because I think some people here could find this interesting. Come one, come all, to the Seattle Retro-Computing Society's regular monthly meeting! It will be held Saturday, August 25th from 11:30 AM to 5:00 PM. Do you do any of the following with old computers? Will you be near Seattle on Saturday? + Use, collect, and/or restore them + Play games on them + Write programs for them + Develop new hardware for them + Help other people do any of the above If your answer was "yes," then the SRCS is for you! We exist so you can show off your awesome stuff, bounce ideas off of fellow enthusiasts, and be inspired by one another's achievements, plans and aspirations. No idea is too big or too small, and we're not picky about what flavor of vintage machine you prefer! Come on down and tell us about it! The meetings are graciously hosted by the Living Computer Museum, which is gradually fitting out a computer museum in Seattle's SODO neighborhood. There will be refreshments, a Buy-Sell-Free-Trade table, and enough table space & power to set up anything you may want to show off! For further details, please see our web page at http://www.seattleretrocomputing.com/ and our mailing list at http://groups.google...attle-retrocomp . Hope to see you there! Gordon "gsteemso" Steemson SRCS agitator-in-chief
  21. I have not done any development in Linux for Atari and I'm wanting to write some programs (games or utilities) and I'm wondering if anyone has ever set up a virtual machine via Virtual Box or VM Player? I don't want to duplicate effort if it's already been done, Why a virtual machine? I have multiple computers running multiple OS's and I want to be able to develop on whatever machine I'm currently in front of. I also want this pre-configured environment to be freely distributed, which is why I will not be using Windows. (I may use Mint so that it will look like Windows for those who have not used Linux before.) Constructive ideas and suggestions appreciated.
  22. Makes me wish I had a black and white TV to hook up and compare him to!
  23. walker7

    Color Change Screen

    From the album: The Best Assembly Computer

    What a color changing screen for an assembler might look like.
  24. walker7

    Section Header 2

    From the album: The Best Assembly Computer

    Another example of a program's section header. This could be used for all the math routines used in the game (e.g. multiply, divide, random numbers).
  25. Polybius

    Commodore Vic-20

    From the album: My Game Collection

    Commodore VIC-20 Computer, from my collection circa 1983.

    © polybius

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