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  • Not really anything special, just one of those cheap PS1/2 controller to USB adapters like this: http://www.ebay.com/itm/97k-PS1-PS2-...-/140968977913 It's a good thing to have laying around if you already own the needed controller.
    http://OldGameHacking.com/
    http://www.youtube.com/user/DreamcastVideos

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    • After 4 straight hours yesterday and 2 more hours today, am finally making progress again with the 32x assembly/debugger. Found a good solution to the "Brick wall" I had run into. Will start on the health codes again when I finish up with the ammo codes.

      Doom 32x (JU)

      0B0ADE:0014
      All Pistol/chaingun ammo pickups are worth twice as much. If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.


      0B0AE2:0008
      All shotgun ammo pickups are worth twice as much. If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.
      The Code Hut: http://codehut.gshi.org/

      Comment


      • Doom 32x (JU)

        0B0ADA:00C8
        Max rocket launcher ammo is 200 (instead of 50). If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.


        0B0AEA:0004
        All rocket launcher ammo pickups are worth 4 times as much. If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.

        ==========

        I can't seem to find a Plasma Rifle to test these codes, but will post them anyways. I'm pretty sure they'll work, but I won't add them to the db until they're verified.

        0B0AD6:01F3
        Max Plasma Rifle ammo is 499 (instead of 300). If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.


        0B0AE6:0050
        All Plasma Rifle ammo pickups are worth 4 times as much. If you're using this code with Kega Fusion, you MUST reset the game with the code turned on.


        03F444:7100
        Infinite Plasma Rifle ammo.


        EDIT: Finally found a plasma rifle and tested the codes. Will add them to the db now.
        Last edited by Tony H; 09-28-2013, 01:53:28 PM.
        The Code Hut: http://codehut.gshi.org/

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        • Doom 32x (JU)

          037FBC:E07D
          Start with 125 health (instead of 100). If you're using this code with Kega Fusion, you MUST reset the game with the code turned on. NOTE: If you change this code to 037FBC:E080 instead, you'll have infinite health and enemies will completely ignore you unless you shoot at them, but you can't pick up any items, so it's best used for exploring levels.
          The Code Hut: http://codehut.gshi.org/

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          • Awesome that you were able to make an Infinite Health code, even if it has side-effects!
            http://OldGameHacking.com/
            http://www.youtube.com/user/DreamcastVideos

            Comment


            • Originally posted by Mezmorize View Post
              Awesome that you were able to make an Infinite Health code, even if it has side-effects!
              Thanks Mez. It's kind of fun walking through the levels with all the enemies just ignoring you. Once you shoot at an enemy, it knows you're there and starts attacking. You can kill enemies with that code on.

              I now have over 10 hours into hacking that game, and still didn't get all codes I wanted, but it sure is fun learning new asm.

              I doubt anyone will use this, but will post it just in case. This is the ROM hack you need to do to allow you to properly use the 32x debugger in Gens ver 2.10 with Doom. Without these codes, you constantly get stuck in an endless loop while stepping through the asm instructions. Very frustrating. It looks like the game is waiting for an input(?) that it never receives. These codes let you trace through the code in the debugger without any problems...

              Doom 32x (JU)

              $0007CC:6002 +
              $036756:0009 +
              $04DF34:0009
              The Code Hut: http://codehut.gshi.org/

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              • I found the RAM address for the push-button God Mode cheat, well kinda.
                If you have the address for Infinite Ammo, just add 0x28 bytes to it and that's the one.

                The value changes from 0 to 2 if enabled.
                You can easily tell if the cheat is active because his picture on screen will have white eyes.

                I would have just given you the address but Fusion's shitty code finder is not showing it (used CE).
                http://OldGameHacking.com/
                http://www.youtube.com/user/DreamcastVideos

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                • Excellent! Thanks Mez. Will see if I can figure out how to turn that on. Back to the lab after this post. lol.

                  When you say 0x28 above the address for infinite ammo, are you talking about the RAM address in the FFxxxx range (I think it's FF1117), or a 32x RAM address outside the FFxxxx range?

                  Had a pretty hard time finding this code, but it's very useful. If you use the 1000 max health code along with the 100 health for blue pickups code, you should be able to make it all the way through the game with no problems at all (just pickup one of the little blue health things when you can). I collected the 6 blue health pickups in the beginning of the first level (which gave me a total of 700 health), and it took several minutes of just standing still in lava, with 3 enemies blasting the shit out of me before my health got below 100.

                  Doom 32x (JU)

                  03CC12:00FA
                  Max health is increased to 250 (instead of 200).


                  03CC12:03E8
                  Max health is increased to 1000 (instead of 200). It's best to also use the "Blue health pick-ups are worth 100 (instead of 2)" code. Note that the health counter only goes up to 250 and then starts over from 1, so the numbers shown may not be correct.
                  Last edited by Tony H; 09-28-2013, 07:18:44 PM.
                  The Code Hut: http://codehut.gshi.org/

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                  • I'm thinking it must be out of the usual range for Fusion not to convert the CE cheat to RAM, like it usually does for me.
                    It wouldn't convert the infinite ammo code either. Would save states do you any good?
                    http://OldGameHacking.com/
                    http://www.youtube.com/user/DreamcastVideos

                    Comment


                    • With CE,
                      if it's in the regular Genesis FFxxxx range, it will be something like 66xxxx. (6 digits long)
                      If it's outside the regular FFxxxx range, it will be something like 59xxxxx. (7 digits long)

                      If it's outside the regular Genesis FFxxxx RAM range, are you sure it's an actual infinite ammo? I tried a couple 32x RAM addresses for infinite ammo for all weapons. They appear to work, but I still ran out of ammo with other weapons.
                      The Code Hut: http://codehut.gshi.org/

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                      • When I scan for the ammo ram address at the start of a new game, it will show at least 4 results. None of them work properly except the last one listed. That's the one I was talking about to add 0x28 to. In my case, the CE address for ammo is 05D8C32F and the God Mode cheat address is 5D8C357.

                        Here's a shitty video: (using older CE cause I have the new version running at the same time for GB...)
                        http://OldGameHacking.com/
                        http://www.youtube.com/user/DreamcastVideos

                        Comment


                        • Originally posted by Mezmorize View Post
                          Would save states do you any good?
                          Yes, but it would have to be a Gens (ver 2.10) save state.
                          The Code Hut: http://codehut.gshi.org/

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                          • Just watched the video. I know exactly which address you're talking about. That should give you infinite pistol ammo. In the actual 32x, the RAM address is: 0600766E. That means the God mode RAM address is 06007696.

                            The problem is that 32x assembly works completely different than Genesis 68000, and I can't use the old trick of forcing a value into a RAM address. Or I should say I don't know how to do it.

                            If you can make a save state with Gens 2.10, I can probably find out where it's checking the God mode RAM address when hit and make a code from that.
                            Last edited by Tony H; 09-28-2013, 08:17:35 PM.
                            The Code Hut: http://codehut.gshi.org/

                            Comment


                            • Here's 2 savestates for gens v2.11 (the only version I have) hope it's compatible.
                              When I saved the states it didn't append a file extension, so you may need to type *.* when you go to "Load State..."
                              Attached Files
                              http://OldGameHacking.com/
                              http://www.youtube.com/user/DreamcastVideos

                              Comment


                              • Thanks Mez. Will start working on that.

                                More codes...

                                Doom 32x (JU)

                                041532:E700
                                No damage from the red or green pools of Ooze (it normally causes 2 points of damage every second you're standing in it). No need for the radiation suit.
                                Last edited by Tony H; 09-28-2013, 09:55:05 PM. Reason: Changed code description.
                                The Code Hut: http://codehut.gshi.org/

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