11 March 2016 - Forum Rules
Started by SMB2J-2Q, April 01, 2014, 11:42:59 PM
Quote from: FAST6191 on April 02, 2014, 12:00:27 PMThere are undoubtedly people out there that have fiddled so extensively with the mario games that they will be able to give a precise answer, that is not me but I will go the theory.You want to recreate a glitch or just add the functionality?For the former this would point at a fix during region hopping which was a rarity in those days, though certainly not unheard of. Here I would look at the fix and try to remove that. Personally I would just add 1 to the timer value at end of level (maybe tweaking the other bonus values to line up), the better fix would be proper edge case detection but that would take several more cycles.From what you say I would guess the pole ending and the castle endings use different routines, possibly an odd way of doing things but nothing outrageous.Here then I would look at something similar to death routines, walk through walls and the like. I would guess it is a glitch in earnest (though possibly one that was allowed to slide) as most lesser systems for subtraction would probably cycle back around to FFFF or something if you took 1 from 0000.Thinking about it though the ways I would fix the glitches are probably also the ways I would add it back in -- either add in a compare and force to 1000 in the case of 0 on the timer or subtract 1 and ultimately force it back around in the case of 0.
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