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About mellis

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  1. Consider how the 7800 boots: it first checks to see if the cartridge is a 7800 cartridge, and if it is not, it enters 2600 mode. When in 2600 mode, the system is exactly like a 2600. Considering that the 7800 XM requires a 7800 (meaning, you cannot possibly connect it to a 2600), what would be the point of trying to write a 2600 title that uses it? I am pretty confident that it is neither possible nor desirable to use the 7800 XM in the manner you propose.
  2. I know this was brought up earlier, but your various problems across machines suggest one or more power supply issues to me.
  3. When you say "4K 520 STE", do you mean "4MB 520STE"?
  4. As I recall, EDO RAM will NOT work, so avoid that. Going from memory, I believe the ST uses non-parity RAM, but it will work with non-EDO parity RAM (where it ignores the parity bit). If you buy RAM labeled as Mac RAM (for the 68000-based Macs of the day), it should also work in the ST. I have 4MB of RAM in my Mac Plus that will also work in an ST.
  5. If it’s a fact that you only speak that particular language, I think a person would have to be looking for an excuse to be bothered by what you wrote. There’s no need to apologize that I can see. Setting that aside, most of the fun you can have as an Atari programmer is the learning process. I would recommend that you read De Re Atari to familiarize yourself with the hardware’s design and capabilities. You can even play with the hardware registers in BASIC to see what they can do first hand. When you are comfortable with the hardware, move on to Machine Language for Beginners from Compute. It will ease you into 6502 assembly language. These books are available online as PDF files. Just do a little Googling. You’re a programmer already, so this should be fun for you. Good luck.
  6. I think you are struggling to realize Brad is aware of the fact that, for many things, he's the only game in town. Therefore, he has the luxury of doing business any way he wants. I would advise you to be as polite and accommodating as possible if really want your parts. Otherwise, Brad's blacklist is a real thing.
  7. I think it's kind of funny you wrote the above instead of "Thanks to everyone for their insights! I might go ahead an give my idea a try."
  8. The 5200 controllers shipped in the console’s controller storage area (under the hood in the rear of the unit). The Super Breakout pack-in game was included as only the cart and game manual (no game box).
  9. mellis


  10. I was in the market for a video scaler, and today I received and tested the unit mentioned above. Unfortunately, I cannot recommend it to those with a critical eye. This scaler generates visual artifacts galore. For example, areas that should be solid blue appear instead as a dithered checkerboard. That is but one of the glitches I identified, regardless of the settings I used with it. This is not to disparage the poster, I just want to save others the bother. Amazon has accepted my refund request.
  11. Did you boot with BASIC disabled (hold down the OPTION key during power on)?
  12. No offense intended - I assumed you were soliciting feedback when you posted those images. In fact, you are only a few clicks away from realizing an authentic label: https://chrismcmullen.com/2014/04/15/kerning-in-microsoft-word/
  13. That's a great first effort, but the text needs to be properly kerned before it will look as though Atari made it. Specifically: the spacing between "A R I" needs to be tightened as does the spacing between "0 8 8 X L D"
  14. When I wrote "A PC or Mac would be a much better choice for writing and debugging C code at the source level", I was referring to writing PC or Mac software, not Atari software. When you wrote, "As for CC65 and debugging with asm. This is trying I am trying to avoid", you confirmed my hypothesis that you are writing C code to try to avoid the complexities of learning assembly. The problem is, you really need to understand assembly language to write good software for the Atari. If an understanding of assembly is really a non-starter for you, I suggest you focus your software development efforts on more capable machines such as a PC or Mac. You can reasonably expect to program those in C without an understanding of assembly. If you really love the idea of writing software for the Atari, but you are steadfast in your decision to not learn any 6502 assembly, I suggest you try any of the excellent BASIC languages. TurboBasic, Basic XE, and even Atari BASIC will deliver results to you much faster than flailing around in C.
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