I would expect some kind of change when the lid switch is pressed, as this tells the disc drive to spin doesn't it? As far as I remember, yes, it should spin (at least for a short moment, and then stop spinning if no disc is detected). And, as I remember, Sony didn't bother to start the spindle mot...

Good that you mention those titles without game codes. I don't remember what made me think that there was I-Mode support in that Playstation the Best title, I guess that's been wrong. Also looking at PSXDataCenter, there are these three titles, all with same release date, and with variations of the ...

The list with known I-Mode games was posted here: viewtopic.php?p=22578#p22578

Here comes the weekly I-Mode update: I've forwarded the HTTP messages from no$psx to real internet, and that seems to be working & stable now. I-Mode is using slightly nonstandard "GET http:domain/path" messages that need to be parsed to standard HTTP messages with "GET /path"...

PS. From what I remember about what you had posted in the other thread, you did display the backgrond by uploading it from cpu (or cdrom?) to vram, such transfers are usually intended for initializing texture memory, you could also use them to initialize the framebuffer background in each frame (tho...

Your main problem is communicating with other people and general problem solving, work on improving that skills! Nobody could help you if you post numerous png files instead of posting your actual tim file, and all that without allowing people to see your source code. But, in this post, http://www.p...

If you can't figure out what is wrong, then yes, you must use only one background. Some things that look wrong... Your png doesn't seem to contain transparent pixels, any half-decent png-to-tim converter would thus convert the solid black png pixels into solid near-black tim pixels. But anyways, you...

It works!!! Doing the data transfer was quite simple, except that I totally couldn't figure out how to terminate the damn data transfer once when all data was transferred. In hindsight, it's that's also quite simple: Use message 10h/11h to start the http connection (including sending/receiving the 1...

Very good to know that the audio format is called ATRAC3, thanks! I've never heard about that format, I've looked up the wikipedia article, but I am still not sure what it is (concerning decompression speed, quality, and compression ratio, compared to other lossy formats like ADPCM or MP3). Oh, and ...

I still don't understand if or how you could ever have changed the potentimeter. Those things things don't change their position when you "may have touched" them. I don't trust your judgement - I am almost sure that you have never changed the potentiometer setting. Unless your definition o...

Did you do all those things without ever testing if the console did still work (or perhaps it even still does work)? The sled position doesn't matter, it does automatically move to innermost position on power-up. The potentiometers, there is little chance that you could change them accidently withou...

Some I-Mode documentation does actually exist in public. DoCoMo Technical Journal The "DoCoMo Technical Journal" contains four "Special Issue on I-mode Service" articles: Media Concept https://www.docomo.ne.jp/english/binary/pdf/corporate/technology/rd/technical_journal/bn/vol1_1...

Network expert anyone? I've examined the binary packet header. It does contain a TCP-style 16bit checksum, but the rest doesn't look like TCP. Is that some other common standard format? Pre 3 Send Command (01h,00h,01h) (imode/cable-specific send command) 000h 2 TCP-style Checksum (sum of following b...

Got it! It did require only a single 5-byte response on the 80h-byte stream: 84 01 73 83 57. That is, some kind of "final snippet" flag (bit7) with length (4), the actual 2-byte response (01h,73h) (which I had mistyped 01 7F in previous post). And the CRC16 (5783h) (which isn't a normal CR...

I am still workinjg on that obscure cable, and making some progress on solving the message layer for the 80h-byte stream. First hurdle This almost made me give up. The first thing you see when looking at the 80h-byte message handling is stuff like this: 800DC518 00001810 mov r3,hi ;N*ADD5E633h/10000...

So, even with excellent pictures, I guess it would be impossible to see it to the eye. I can't even find a simple drawing, like those in the playstation pdf patent file. As far as I understand, the 22kHz wobble is everywhere on CDRs (as timing mark), and there's some kind of additional wobbling for...

1) I am quite sure that there are already modchips doing that, that's nothing new. 3) How on earth could the spindle speed affect the sled seek times??? Faster rotation is only needed in Lead-in, doing it elsewhere would cause issues on movie/audio streaming timings. 4) It's just a normal disc with ...

Those aren't anywhere near 71 minutes, the PoPorogue http://redump.org/disc/1552/ page does even tell you that the track is only 66:24:04 tall. Counting the size in bytes isn't too reliable as the actual length depends on the amount of bytes per sector. Anyways, the Judge Dredd binary is 750,048,096...

No, you can't "convert the oscilloscope read to data". I meant that "you must convert the data yourself", based on the sony patent and on the cdrom specs. And thereafter, you could use the oscilloscope to verify if you have actually converted it as planned. Wiring a oscilloscope ...

A complete copy of the US6122739 patent - with images - can be found here https://patentimages.storage.googleapis.com/d5/46/ad/1d807e35807464/US6122739.pdf it's referring to "wobble" and "wobbling" in the "radial direction", and the images (FIG.2B and FIG.3) are illustr...