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bjonte

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Everything posted by bjonte

  1. bjonte
    Yes, you can be fooled. It also makes it harder to convince anyone that it's harder to do a VIC20 version than a C64 version for this reason. It's by design and this is how the original works as well. All dangers in the same vertical section as the hero will disappear when he dies to avoid the possibility of death on respawn. A typical scenario could be that the hero drowns in water and respawns where there's an enemy.
  2. bjonte
    I just want to let you know I released an update that only modifies the colors used on NTSC.
  3. bjonte
    Thanks! I played it mostly on the C64 as well. A very good game, even if it's hard.
  4. bjonte
    Thanks! Yes, the microlaser can remove walls on the Atari 2600 version as well. I didn't know it either when I started this conversion. It looks a bit different. Half of the wall is removed horizontally as the first step and then it disappears. It's not used very often but can be handy sometimes. I found a bug regarding that in the 2600 version. If you stop shooting and start again it may be ineffective so you can end up shooting forever without anything happening. If you stop and start again it may start taking damage again.
  5. bjonte
    Yes, it is. If the screen size is reduced a bit all characters fit on the screen and will effectively become a bitmap.
  6. bjonte
    Haha!
  7. bjonte
    A new VIC20 port of the classic Atari 2600 game H.E.R.O. was released yesterday. https://kollektivet.nu/hero/
  8. bjonte
    The game can now run off a cartridge! The hardware design is based on Magic Desk and is open source. Go build your own! Links to cartridge image, hardware design and printable label can be found here: https://kollektivet.nu/v42/
  9. bjonte
    It’s a bit unclear how far you get. Is carlsson correct in that the game starts but you are unable to progress past an initial screen waiting for joystick input? VICE has swap joystick ports mapped to alt+J on Linux. I’m guessing something similar on the Mac.
  10. bjonte
    I didn’t own a Spectrum but the Paradroid clone Quazatron was done in isomeric 3D and looked interesting to me. I remembered the Star Wars port being much better than the C64 equivalent so I’d recommend having a look at that.
  11. bjonte
    I’m note sure I understand the problem here. As carlsson says, the kernal shouldn’t need to be used when running a game like this without any disk loading. Kernal interrupts should be turned off. Atari 2600 har RAM from $80-$ff I think, so 2-$7f should be available for other uses during emulation.
  12. bjonte
    I hadn’t heard of that. It sounds interesting!
  13. bjonte
    It’s hard but very short so if you want some arcade action that’s possible to complete within a couple of minutes, it’s a good pick.
  14. bjonte
    Well done! I completed Snokie on the Commodore 64 on the high speed difficulty level.
  15. bjonte
    The question is what the test is really testing. Since the machine can’t hear the SID it can only look at the input it has - paddles and the waveform/envelope output registers. So either paddles aren’t working or reading the waveform output isn’t working properly. Try paddles on it or a program that auto detects the SID type. Either of those might be failing.
  16. bjonte
    A modern tool for C64 assembler is https://iceteam.itch.io/jc64dis
  17. bjonte
    Wow! I didn’t know about this trick. Should it point to the next value or just after the previous or is this a line pointer?
  18. bjonte
    I think developers will avoid REU requirements simply because it cuts the user base and will mean less cheering after the release. On the other hand I believe most developers are struggling to get games to work on NTSC with the higher frame rate. Going the Sam’s Journey route and require it for NTSC is an interesting approach that I think we will see more of. It cuts a smaller part of the user base and helps ship the game with less effort.
  19. bjonte
    You make a z-code file. Go to https://www.microheaven.com/ozmooonline/ and upload it. Select target platform and press Build. You should then receive a disk image with the game. A bit slow to iterate like this but it’s as simple as it gets. But if you aren’t going to learn a new language you can forget it.
  20. bjonte
    Adventures can be made in a Z-machine also to get all that text parsing stuff for free. Play back in Ozmoo on many platforms.
  21. bjonte
    Divide the game into levels, store them separately on disk and load each one when you are about to play it.
  22. bjonte
    Ok, I see. Then I guess the amount of text would be the limit. If there will be a lot, the C128 seems like the best choice. You could start there and port it to plus/4 in case it fits later on. Multi load is an option.
  23. bjonte
    I agree to that. So what kind of game would it be? Top down action game with the same resource hunting mechanics and upgrades should be possible I think. Flip screen or scrolling. As a multiload game it could also be quite large in scale.
  24. bjonte
    Ah, *that* Bioshock. It got me quite confused because the original question didn’t mention in any way how the game should be simplified, reimagined and cut down in order to be made possible on an 8-bit platform. The answer is ”no” unless you make a different game that is only inspired by the original.
  25. bjonte
    What *is* this Bioshock 1 you are referring to? A text adventure?
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