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  1. tupi

    DOS Civilization 1991 Bug(s) discussion - What should be fixed in OpenCiv1?

    And for "caravan exploit", I mean following: in Civ 1, you can speed up wonder of the world production with caravans (cost of caravan in shields is added to shield storage, normally 50 shields). But nothing prohibits player from switching from wonder to any other production, so player actually...
  2. tupi

    DOS Civilization 1991 Bug(s) discussion - What should be fixed in OpenCiv1?

    I'm not sure, but I for some reason think that arctic bug #1 was fixed in .05 (i.e. probably in .03 and later). Did I read about it somewhere? I can be wrong! Arctic bug #2 was sorta fixed, in .05 it is simply prohibited to found cities on polar poles. I think that many of them are not bugs at...
  3. tupi

    SVE file format

    GoTo command as cosmetics for the human player may indeed have been added at the last minute. But AI uses the same pathfinding for its movement and some pathfinding is necessary for AI so I think it was added early.
  4. tupi

    [Col] Sid Meier's Colonization Official Strategy Guide

    Thanks for excerpts. Also I read a guide itself a bit. Honestly I still do not believe that Criminals are worse missionaries than ordinary colonists and that tribes can trade horses and muskets with each other. Official info is not always flawless. One day I should RE the game properly, if...
  5. tupi

    A new first: AI builds carrier

    Wow, only today thank to your post I first used H command as "goto to closest city/carrier" for air units. I knew for a long time that AI uses H command this way (darkpanda posted long listing for AI units, and this H command was here) but I still did not try to use this command myself. It is...
  6. tupi

    Interesting bug allows super sized cities

    Game do not wrap the world properly on the city screen. So if you somehow have found a city in the last two or in the first too vertical lines of world map, you will get garbage (most likely garbage, very rarely normal) terrain from "neighborous" world maps. Then game reads some wrong place from...
  7. tupi

    New DOS Civilization (1991) Jukebox music player (CivPlay)

    Wow, this one is great! It would be very interesting to read the source to try to understand how the game stores its music. Maybe it even be possible to translate them into more standard MIDI? How different are they from this? At the time (1991), MIDI standard simply did not exist, I think?
  8. tupi

    SETI program bug ?

    My statements are from the code (but also from my experience of playing the game). It is very easy to notice that number of turns for discovery are reduced roughly to 2/3 with SETI. Humungus' confusion is from the fact that SETI bonus is not shown with number of bulbs graphically on the city...
  9. tupi

    Copernicus obervatory bug

    If anything, at this point I prefer to think that the bug is the Civilopedia description and not the behavior itself. In no version of the game Automobile stops Copernicus, and in practice we all suggest with all our strats and tips (for one city challenge, for example) that it should work...
  10. tupi

    SETI program bug ?

    If SETI didn't not work, it would be a common knowledge among players. It works. SETI gives you +50% science points for every city (rounded down, I think). Of course only if city screen of this city was not shown during city loop (in this case the city adds nothing to research due to a bug)...
  11. tupi

    Civil War in Civ1

    So. When the game creates a new civ, it is indeed deletes all units of this color. But it does that not in a proper way, without using "delete unit" function. Instead, the game simply changes all units in the list to -1. This is bad, because on the planet map, there are still bits "unit is here"...
  12. tupi

    Vote for Sid Meier's Civilization I and II (MGE & Test of Time) to be added to GoG

    Interesting indeed. The exit from presumable copyright hell can be good for Civ 1, as it was good for original Colonization, which is now on GoG and Steam and have got some new players because of that. It cannot even be "reforged" in any way, because it's just dosbox. Well, lately some companies...
  13. tupi

    Civilization 1 for SEGA Genesis/Mega Drive!!! :O

    Hello. Lately I seldom do something (not even every month), and mostly bugfixes. Last update (may 2023) was mostly for changing of civil war logic, copied from the original game. Or to say shortly, this project is mostly at the same state as before. And it's still closed source. Quality of code...
  14. tupi

    Civil War in Civ1

    Then I should add some code to "select next production" function, but there's no place for that. Recently I have found some unused functions in the game, so theoretically I can re-write them, and call them from "select next production" to save some space here, and then I can add necessary code...
  15. tupi

    Civil War in Civ1

    I finally have found condition for AI palace construction. See new added §22. Basically, civ should be bigger than human player and with more than 4 cities. Then, if civil war event failed (usually happens if no free slot for new civ had been found) game selects a city which will start to...
  16. tupi

    Civil War in Civ1

    I tested and can confirm that this happens. For now I don't understand why. Probably when "initialize new civ" function's running, it deletes all units of this color on map, should check... Probably this is what happens. EDIT: nope, units are destroyed only in "destroy this civ" function. In...
  17. tupi

    Civil War in Civ1

    My slang from Colonization game, sorry. Better to call them Loyalists. EDIT: renamed 'em
  18. tupi

    Open source rewrite of the original Civilization game (1991) - OpenCiv1 Project

    Ah, so overlays simply were not here! I did not even check that! For some reason I was pretty sure that they ARE still in exe, but game cannot find them. So I tried to understand why it would happen: so I made an assumption that the overlay logic stores their addresses somewhere. But no, all we...
  19. tupi

    Open source rewrite of the original Civilization game (1991) - OpenCiv1 Project

    Yes, darkpanda wrote about this first type, so I know that INT 0x3f <overlay number> <address> is overlay call. What I do not know that's why overlays do not work after unpacking with old dos unpacker (unp.exe). Workaround with 2 exe was used. I only can suppose that exe stores overlay addresses...
  20. tupi

    Open source rewrite of the original Civilization game (1991) - OpenCiv1 Project

    This is really great. Will read your source to teach myself how overlays work in the game... Big thank you!
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