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Found 100 results

  1. Anyone else going out to Classic Game Fest 2019 in Austin next week (July 27 & 28)? https://classicgamefest.com/ Rob and I will be there. In fact, we are going to have a booth this year as an indy game developer. We aren't selling anything, just showing our existing homebrew games to let people play them on real Atari 8-bit computer hardware and proper CRT monitors. We'll be demo'ing a few sneak peeks of things we've been working on too. Pretty cool stuff I think. And of course, more than anything else we'll be spreading the word about the amazingly active Atari 8-bit computer community and sharing info like how/where to get emulators, ROMs, classic games, new homebrews, and where to chat with others interested in this great hobby (like AtariAge.com of course !). Anyway, if you come out to Classic Game Fest next weekend, be sure to look for us... bitgod - "back in the good old days" -Eric
  2. 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
  3. Mega May 2019 "rolls" on!
  4. 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.
  5. 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.
  6. 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.
  7. walker7

    Palettes

    From the album: The Best Assembly Computer

    A set of 7 different color palettes to use while programming.
  8. 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.
  9. Sold! SIDE Cartridge - Compact Flash Interface with 128MB SanDisk Card, up for sale on Ebay: eBay Auction -- Item Number: 322018817890
  10. 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=
  11. 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
  12. 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.
  13. 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.
  14. 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
  15. 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
  16. 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.
  17. 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
  18. Makes me wish I had a black and white TV to hook up and compare him to!
  19. walker7

    Color Change Screen

    From the album: The Best Assembly Computer

    What a color changing screen for an assembler might look like.
  20. 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).
  21. Polybius

    Commodore Vic-20

    From the album: My Game Collection

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

    © polybius

  22. From the album: My Game Collection

    My Boxed Atari 1027 Printer, opened, but not used.
  23. Why do 16-bit light guns look so ridiculous? SNES Super Scope: Sega Menacer: Compared to these 8-bit offerings: Famicom Revolver: NES Gray Zapper: NES Orange Zapper: SMS Light Phaser: Atari XG-1: I mean, I can understand that in the 90s, video game and toy makers were pressured to make guns look unrealistic as possible, but come on, the Super Scope and Menacer just look absolutely ridiculous. Even later gen systems like the PS1 Namco Guncon look normal in comparison. What's worse, with all the modular detachable pieces that can get lost over the years, it's nearly impossible to find one complete.
  24. 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.
  25. Atari Home Computer Zaxxon manual is claimed. Thanks for giving it a home!
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