Metal Gear Solid 5 cassette tape

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By Latok

msx guru (3843)

Latok's picture

22-09-2015, 20:17

Grauw wrote:

Mid-life crisis commencing… Smile

Fair enough Wink

By mrgaytes

Supporter (8)

mrgaytes's picture

22-09-2015, 20:34

You mention that you used a program called P6DataRec to convert a 8-bit WAV file into a P6 file. I'm having difficulty finding this program, is it part of an archive somewhere?

By Guillian

Prophet (3457)

Guillian's picture

22-09-2015, 20:37

I wrote a simple tool to decode the audio data of the first tape, and used it with the second tape.
Perhaps the dump I posted some days ago is a bit more accurate than the one generated by P6DatRec.
As you can see in the next image, the "PC-6001" string was removed, and not replaced with spaces or whatever. That REM line should be 7 characters longer.
I'm not sure if they just cutted away that part of the audio (there is a #90 that should be a #20) or they modified the program and saved it again.

Also, at the end of the image you can see the extra bytes.

By tvalenca

Paladin (747)

tvalenca's picture

22-09-2015, 21:02

Latok wrote:

So when you're 40-something, you're old. Thank you Cool

Not likely... I think I wanted to say: If you're under 40, you can't think yourself as an old person at all. Cool

Latok wrote:

I know many young people with one dimensional lives... I feel pity for them. Thank god I grew up in the 80s and 90s with somewhat decent education and the beginning of the tech age.... Those were interesting times to grow up in. MSX is a part of it...

Sure! I am very proud of grewing up in during the beginning of the tech age (or home-computing age i'd say...)

Grauw wrote:

Mid-life crisis commencing… Smile

hahahahahahahahah Running Naked in a Field of Flowers

By Avery Broere

Supporter (1)

Avery Broere's picture

23-09-2015, 04:08

I noticed this kinda died a bit, can someone break this down for me? Has it been debunked as just Portopia data or is it still something that could be put on a Cassette like the GZ stuff?

By Takashio

Supporter (13)

Takashio's picture

23-09-2015, 09:52

Avery Broere wrote:

I noticed this kinda died a bit, can someone break this down for me? Has it been debunked as just Portopia data or is it still something that could be put on a Cassette like the GZ stuff?

It's a (faulty) recording of Portopia, but since most of us in this thread don't have MGS5, we don't have any idea on how to "put it on a Cassette" or if that's possible in-game. Out of the top of my head I'd suggest the following if people have MGS5:

  • Find an audio tape of Portopia (not the emulator/CAS image because it lacks audio cues - the YouTube I posted is a good start), and play it at the right moment. You should do this while streaming/mic is open like the PT trick, and probably it has something to do with GZ rather than TPP.
  • One of the key gimmicks of Portopia's "real ending" is asking someone to do something that they normally refuse again. Reaching the tape might trigger a similar thing in-game?
  • Kobe, Portopia is a real place. Maybe some ARG elements are in play?
  • On that note, the final bytes on the tape (that are separated from the Portopia audio itself by silence) might or might not have significance. In that case the initial audio and strings would be just a way to confirm that the data is correctly retrieved. Take into account that the PC-6001 and MSX tape data format are (roughly) the same, so the same method would be valid to retrieve the strings (as this thread proved)
  • It was just a hard-to-find easter egg! A lot of things seem to point at that, including Portopia's "real ending" being a role reversal that matches the one in the "Truth" ending. Relax and once you finish MGS play some MSX games instead Big smile

By ro

Scribe (4542)

ro's picture

23-09-2015, 14:40

oh man, this 42 y/o geezer's going nuts over these findings. Exiting! Now that Kojima departs with Koname, let him do MSX games again Smile

By mrgaytes

Supporter (8)

mrgaytes's picture

23-09-2015, 16:02

Where did the clean rips of the TPP tape and the GZ tape come from? I believe the user GameFreak here posted this clean rip but his post didn't imply which game it was from:

http://a.pomf.cat/vkpuro.wav

Btw, I'm still looking for P6DataRec. Found some sketchy program from a Japanese site and it only launched a small picture frame application, making me feel like I've just eaten a malware. Google isn't helping. :)

By Takashio

Supporter (13)

Takashio's picture

23-09-2015, 17:43

mrgaytes wrote:

Where did the clean rips of the TPP tape and the GZ tape come from? I believe the user GameFreak here posted this clean rip but his post didn't imply which game it was from:

http://a.pomf.cat/vkpuro.wav

That is VOL1, namely the audio from the cutscene in TPP.

mrgaytes wrote:

Btw, I'm still looking for P6DataRec. Found some sketchy program from a Japanese site and it only launched a small picture frame application, making me feel like I've just eaten a malware. Google isn't helping. :)

The program is correct - there is P6DatRec and P6DatRec2. Here is a page in english explaining how to record and convert a file - it's mostly a matter of drag and dropping the file on top of the little "picture frame":
http://emunavi.com/e/menu/dump/tapewav/wavdump.htm
Please note that the file must be 8-bit unsigned audio, not 16-bit as the original WAV - you might have to convert it.

By mrgaytes

Supporter (8)

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23-09-2015, 17:58

Thanks for the response, I'm glad I don't need to format my Windows 7 partition anymore. Tongue

Based on what you said; I'm going go try to find a clean rip of GZ (VOL2?) and use Audacity to convert the audio into a 8-bit unsigned audio before using P6DatRec to drag/drop the WAV into a PC-6001 file. Using a HEX Editor as you've explained, I'll see if I'll get any similar results. Not sure if the GZ audio was already posted in this thread, the responses seem vague everytime I saw a link to the tapes.

TPP has VOL1 (the loader) whileas GZ has VOL2. Its going to be very interesting to see this in action for myself.

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