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  3. Who needs Ghidra when you have autism and a box of markers?

Who needs Ghidra when you have autism and a box of markers?

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  • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

    This is an entire visual representation of a string wrapping function. A character's dialog is placed above their head, center justified, and split according to how much room there is to the edge of the screen or other characters.

    I didn't reverse the code for this. I just worked it out from observing how it worked talking to characters at various positions on screen

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    gloriouscow@oldbytes.spaceG This user is from outside of this forum
    gloriouscow@oldbytes.spaceG This user is from outside of this forum
    gloriouscow@oldbytes.space
    wrote last edited by
    #11

    And here is the entire point of digging all this out. @foone was talking about reverse engineering compression - this is how it started. This is an RLE encoded sprite. The highlighter sections and boxed sections are RLE opcodes and compressd runs, and the bytes with curvy underlines are uncompressed pixel spans

    gloriouscow@oldbytes.spaceG foone@digipres.clubF 3 Replies Last reply
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    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

      And here is the entire point of digging all this out. @foone was talking about reverse engineering compression - this is how it started. This is an RLE encoded sprite. The highlighter sections and boxed sections are RLE opcodes and compressd runs, and the bytes with curvy underlines are uncompressed pixel spans

      gloriouscow@oldbytes.spaceG This user is from outside of this forum
      gloriouscow@oldbytes.spaceG This user is from outside of this forum
      gloriouscow@oldbytes.space
      wrote last edited by
      #12

      ...I still do all this shit, but I have since broken up with Okidata-chan and kicked my 10 crayola a day habit

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      • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

        And here is the entire point of digging all this out. @foone was talking about reverse engineering compression - this is how it started. This is an RLE encoded sprite. The highlighter sections and boxed sections are RLE opcodes and compressd runs, and the bytes with curvy underlines are uncompressed pixel spans

        foone@digipres.clubF This user is from outside of this forum
        foone@digipres.clubF This user is from outside of this forum
        foone@digipres.club
        wrote last edited by
        #13

        @gloriouscow oof. Doing this on paper sounds so painful

        (I was doing this on paper back in 2003, but I've mostly suppressed those memories)

        gloriouscow@oldbytes.spaceG 1 Reply Last reply
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        • foone@digipres.clubF foone@digipres.club

          @gloriouscow oof. Doing this on paper sounds so painful

          (I was doing this on paper back in 2003, but I've mostly suppressed those memories)

          gloriouscow@oldbytes.spaceG This user is from outside of this forum
          gloriouscow@oldbytes.spaceG This user is from outside of this forum
          gloriouscow@oldbytes.space
          wrote last edited by
          #14

          @foone this is all circa 1999-2001. maybe it is just a phase every reverser goes through.

          foone@digipres.clubF rey@toot.catR 2 Replies Last reply
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          • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

            @foone this is all circa 1999-2001. maybe it is just a phase every reverser goes through.

            foone@digipres.clubF This user is from outside of this forum
            foone@digipres.clubF This user is from outside of this forum
            foone@digipres.club
            wrote last edited by
            #15

            @gloriouscow this is just what we had to do before computers were good at things

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            • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

              Who needs Ghidra when you have autism and a box of markers?

              mellivora@im-in.spaceM This user is from outside of this forum
              mellivora@im-in.spaceM This user is from outside of this forum
              mellivora@im-in.space
              wrote last edited by
              #16

              @gloriouscow I really wish I could afford a printer right now. :(((

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              • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                And here is the entire point of digging all this out. @foone was talking about reverse engineering compression - this is how it started. This is an RLE encoded sprite. The highlighter sections and boxed sections are RLE opcodes and compressd runs, and the bytes with curvy underlines are uncompressed pixel spans

                gloriouscow@oldbytes.spaceG This user is from outside of this forum
                gloriouscow@oldbytes.spaceG This user is from outside of this forum
                gloriouscow@oldbytes.space
                wrote last edited by
                #17

                well, when you play I Have No Mouth And I Must Scream using ScummVM, some of this shit may still be in there, somewhere.

                Maybe.

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                • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                  @foone this is all circa 1999-2001. maybe it is just a phase every reverser goes through.

                  rey@toot.catR This user is from outside of this forum
                  rey@toot.catR This user is from outside of this forum
                  rey@toot.cat
                  wrote last edited by
                  #18

                  @gloriouscow @foone having a big "wait, that counts as reverse engineering? oh gods, yeah, it would have to, wouldn't it" moment over here

                  tractor feed was so good for this

                  gloriouscow@oldbytes.spaceG 1 Reply Last reply
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                  • rey@toot.catR rey@toot.cat

                    @gloriouscow @foone having a big "wait, that counts as reverse engineering? oh gods, yeah, it would have to, wouldn't it" moment over here

                    tractor feed was so good for this

                    gloriouscow@oldbytes.spaceG This user is from outside of this forum
                    gloriouscow@oldbytes.spaceG This user is from outside of this forum
                    gloriouscow@oldbytes.space
                    wrote last edited by
                    #19

                    @rey @foone

                    i didn't say I was a good reverser

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                    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                      Who needs Ghidra when you have autism and a box of markers?

                      blue_on@qdon.spaceB This user is from outside of this forum
                      blue_on@qdon.spaceB This user is from outside of this forum
                      blue_on@qdon.space
                      wrote last edited by
                      #20

                      @gloriouscow
                      isn't it tedious?

                      gloriouscow@oldbytes.spaceG 1 Reply Last reply
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                      • blue_on@qdon.spaceB blue_on@qdon.space

                        @gloriouscow
                        isn't it tedious?

                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                        gloriouscow@oldbytes.space
                        wrote last edited by
                        #21

                        @blue_on You'd think so, but it's more methodical. I remember just laying on the floor with the listings spread out and listening to music while doing. After a while you just zone out, it's meditative

                        gloriouscow@oldbytes.spaceG 1 Reply Last reply
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                        • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                          @blue_on You'd think so, but it's more methodical. I remember just laying on the floor with the listings spread out and listening to music while doing. After a while you just zone out, it's meditative

                          gloriouscow@oldbytes.spaceG This user is from outside of this forum
                          gloriouscow@oldbytes.spaceG This user is from outside of this forum
                          gloriouscow@oldbytes.space
                          wrote last edited by
                          #22

                          @blue_on the closest experience i have to it now is tracing out boards in KiCad. put on some music, and just follow traces with the mouse from chip to chip. thousands and thousands of traces...

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                          • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                            Who needs Ghidra when you have autism and a box of markers?

                            furrybeta@shark.communityF This user is from outside of this forum
                            furrybeta@shark.communityF This user is from outside of this forum
                            furrybeta@shark.community
                            wrote last edited by
                            #23

                            @gloriouscow I sometimes think that might be better than ghidra

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                            • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                              Who needs Ghidra when you have autism and a box of markers?

                              fahrni@curmudgeon.cafeF This user is from outside of this forum
                              fahrni@curmudgeon.cafeF This user is from outside of this forum
                              fahrni@curmudgeon.cafe
                              wrote last edited by
                              #24

                              @gloriouscow @goosey Dot matrix printed source code is the best! I had tons of it, at one time, all marked up like you’ve done here.

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                              • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                Who needs Ghidra when you have autism and a box of markers?

                                rootwyrm@weird.autosR This user is from outside of this forum
                                rootwyrm@weird.autosR This user is from outside of this forum
                                rootwyrm@weird.autos
                                wrote last edited by
                                #25

                                @gloriouscow I do, because I threw out my tractor feed dot matrix printers over two decades ago.

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                                • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                  Who needs Ghidra when you have autism and a box of markers?

                                  ask@infosec.exchangeA This user is from outside of this forum
                                  ask@infosec.exchangeA This user is from outside of this forum
                                  ask@infosec.exchange
                                  wrote last edited by
                                  #26

                                  @gloriouscow wow amazing. How much time did all this take?

                                  gloriouscow@oldbytes.spaceG 1 Reply Last reply
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                                  • ask@infosec.exchangeA ask@infosec.exchange

                                    @gloriouscow wow amazing. How much time did all this take?

                                    gloriouscow@oldbytes.spaceG This user is from outside of this forum
                                    gloriouscow@oldbytes.spaceG This user is from outside of this forum
                                    gloriouscow@oldbytes.space
                                    wrote last edited by
                                    #27

                                    @ask I worked on this over a period of two years as best as I can figure

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                                    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                      Who needs Ghidra when you have autism and a box of markers?

                                      taleb@wetdry.worldT This user is from outside of this forum
                                      taleb@wetdry.worldT This user is from outside of this forum
                                      taleb@wetdry.world
                                      wrote last edited by
                                      #28

                                      @gloriouscow this is unbelievably crazy for a gamedev, what type of game even is this produced for?

                                      gloriouscow@oldbytes.spaceG 1 Reply Last reply
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                                      • taleb@wetdry.worldT taleb@wetdry.world

                                        @gloriouscow this is unbelievably crazy for a gamedev, what type of game even is this produced for?

                                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                                        gloriouscow@oldbytes.space
                                        wrote last edited by
                                        #29

                                        @taleb it's a point and click adventure game, very similar to LucasArts's SCUMM engine.

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                                        • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                          Who needs Ghidra when you have autism and a box of markers?

                                          peterrenshaw@ioc.exchangeP This user is from outside of this forum
                                          peterrenshaw@ioc.exchangeP This user is from outside of this forum
                                          peterrenshaw@ioc.exchange
                                          wrote last edited by
                                          #30

                                          @gloriouscow read long enough, the listings let you write c-code translation ☺️

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