cyo
@cyothevile
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owner and lead engineer @ Ascendance Systems / #MAHA
Nashville, TN
Joined November 2016
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Here is how the PSP-3000 LCD works and why NOBODY has done anything with the proprietary BUS
🧵
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@ClownWorld_
I remember in the 90s as a kid seeing loss prevention beat the shit out of ppl doing stuff like this
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PlayStation 2 preservation help needed.
Please retweet to the high heavens. This is one of the only times I ever ask for retweet ever.
PlayStation 2 was one of the most widely sold consoles in the world. However the library from Korea, Japan and China are lacking. 1/
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Long post. Pay attention.
Tldr; if you are considering a RT4K for japanese computer use, grab it.
RT4K has been capable of displaying everything I threw at it. PC8801, FMT, MSX, 68K.
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Nailed it. You'll see it in 2 weeks.
For those that wish to recoup my absolutely annialated dumping funds you may contact me. It will appear in the wild regardless for Naomi devs. They deserve to have tools to succeed.
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Important Tweet.
Please retweet. Laserdisc Preservation.
Laseractive is a console that currently can't be emulated. However with LD dumps we can move forward with attempting emulation. We still require tons of dumps from LA discs
Please contact my friend
@tanks404
for dumping
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飢狼伝説SPECIAL, probably the rarest game ever released for FM Towns.
Neogeo fanboys said it didnt exist and it never came to FMT. Well, a western owner came forth and snapped a few photos.
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As of September 2024 we have preserved 938 known FM Towns CD-ROMs.
There are 43 known CD-ROM based games remaining that are totally undumped. Half of these dont have photos on the internet.
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It's a PCEWorks reprint, which is already a trash company and then it was graded.
The auction doesn't disclose it's a PCEWorks.
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RT4K can be used as a CRT front end for unusual sources it can't natively display
Remember some Japanese PC have the 24khz problem? Just grab an HDMI to VGA dongle and set the computer to 480p output!
I made a profile for this mode. Let me know if you might need other profiles.
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Interesting tidbit I found.
So I guess SFC can be modified for component? I wonder how accurate/inaccurate the conversion is.
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-Solderless confirmed for DS and DS Lite
-GBA Macro mode; only display bottom screen if playing GBA games
-DSi can be done but camera functionality limited. Maybe a compromise can be reached
-two very large surprises will be reveal later
-USB firmware update
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We are actively developing the Nintendo DS consolizer and it will be extremely feature rich. We would like to know your preferences for supported models.
Check below for more information before voting 👇
@GameboxSystems
@PostmanMods
Launch model DS
288
DS Lite also plz
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DSi / DSi XL
468
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X1 Twin has arrived.
I will be restoring it over the course of a few weeks.
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Please read if you are busy. Here are the highlights.
We will be totally transparent on the capabilities of this HW as we progress.
Time to get busy :)
@PostmanMods
@GameboxSystems
We are actively developing the Nintendo DS consolizer and it will be extremely feature rich. We would like to know your preferences for supported models.
Check below for more information before voting 👇
@GameboxSystems
@PostmanMods
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So I went in this PS2 and identified the failure point. Its not what you think. Sort of. Since PS2 will be getting more HDMI mods and ODE (next year? not clickbait), I assume there will be magnified interest in the PS2.
Read below 👇
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Consoles and computers that 100% need new capacitor in 2021. Everything else is time waste:
-Saturn PSU
-Dreamcast PSU
-Model 1 Mega CD
-PS1 PSU
-Any Duo or PCE CD hardware
-Entire X68000 computer
-PSU + sound module (below PSU) for A-mate PC-98
-All FMT PSU
-PAL SNES....
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I would like to hear from the community what consoles or computers you would like to see in FPGA form that still needs preservation.
Please retweet for wide visibility. I want to hear what everyone wants to say.
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IDE Emulator arrival. Our friend
@flxel
made it.
Theres a lot I can try it in. Frankly Im not sure what to try!
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Approximately 42 games remaining for undumped FM Towns games based on CD. About half of these games don't have a photograph on the internet. As stated previously we are entering uncharted territory.
Unknown amount remaining for FD only releases.
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However there are a LOT of games from Korea, Japan and China still not dumped. Still not documented well at all.
Currently there is only one "buyer" securing and archiving these games. I don't want this to turn into "Neo Geo" price range
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The X68000 mega thread.
Yahoo Japan is the best place to get a machine. Typically a junk model is cheaper as you will have to restore the machine to its working state. Fully restored machines fetch very high prices.
I will start with maintenance information
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PSP Dock Progress: Here is the card edge that will be inserted into PSP-2000/3000. Everything is quite precise and it should fit safely at 1.6mm. It will have an FFC connector, an FFC cable and go to the next card (please see next tweet)
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Sharp decided to use a proprietary video standard for the PSP3000. I didnt check any models after 3000.
What PSP3000 does is the video processor normally at end of pipeline has LVDS serializer that send one differential clock pair and two differential data pair.
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Flashback for FM Towns. Was previously hoarded and gatekeep. It will eventually go to the internet archive
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There are 41 CD-ROM Based FM Towns games remaining to be preserved.
Approximately 26 of those games do not have a photograph on the internet showing a box cover denoting it as an FM Towns release. We are in Wild West territory now. The 15 other games do have photographs online.
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Rare look at the inside of the Doctor PC JR. It was made by Bung Enterprises and was a Famicom clone, copier and also a computer. Very unusual.
Has composite and mono output, RF output, PC AT keyboard input, and it can interact with PC/CD with the parallel port. 1/
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My friend
@nonstopxiaowei
sells very high quality saroo cartridges and now he also has injection mold shells.
The quality is very good and the sticker quality excellent.
You can also compile firmware from github directly and it works on this card. Ive done it before. Link below
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24Khz display modes on RT4K will 100% require a profile but the good news is that it can be supported! These are the hardest video display modes.
Ill experiment more throughout the week.
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Its called SVDI and there is no documentation online for it. So, the bonus gift is by explaining this, youll get that.
Datasheet gives few hint. Let me show you.
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Proof of concept.
The RT4K can be adjusted to lockon to any video source that exists.
Obviously I messed up color wires. I think theyre in reverse...and gnd unused pins
The long ribbon makes clocks pretty questionable.
The idea is VERY cheap VGA card to replace the screen.
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What is with people wanting to hook 10+ consoles at the same time to their TV? Am I only person that hooks one at a time?
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Items that definitely require capacitors to be changed:
X68000 computer
MEGA CD Model 1
Sega Saturn power supply
Dreamcast power supply
NES (near RF modulator)
Luma and chroma 220uf capacitor in PlayStation 1
All PCE models and DUO
Marty PSU and Yamaha capacitor
Did I miss any?
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I have taken a photo for a reason.
A retweet would magnify this persons reach and audience.
My hot take is that this person is intentionally trolling or they're going for a new form of click bait; controversial and opinion filled with intentionally spread misinformation.
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Theres going to be a massive uptick in SAROO purchases now.
And I will say what I said since last year. Be very VERY careful what aliexpress store you grab it from.
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Long post. Strap in and please read everything.
I first came into contact with Porkchop on the advice of my best friend (as in IRL, not the internet, not forums, not discord) from
@atrac17
. I got a mister kit at a discount which was very nice of him.
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Everyone detests bitfunx stealing designs for anything but nobody said a fucking thing when gdemu was cloned.
Actually most people clamored to see the other cards get cloned.
That is my problem with retro community.
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Common and Uncommon Retro console hardware problems mega thread that have ZERO to do with capacitors. I will start. Plz retweet and contribute your knowledge.
Dreamcast - Fan connector has cold solder/loose and Dreamcast won't stay on. No fan spin. Add solder to fan connector.
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I'm primarily interested in any PS2 game collectors shooting for a set, have a North American/PAL set or are considering working on starting a Korea/Chinese/Japanese set.
We have auction watchers and proxy service experience.
Regardless, we need help
3/
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I found it at my university. The screen burn is very bad on it, but it works.
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RT4K likes my Xbox Smokey!
StellarHD+ from
@MakeMHz
works perfectly on RT4K.
Thank you
@retrotink2
. This weekend I will work on FMT profiles and that crazy 24khz modes that trip many scalers.
For now, time to play Hello Kitty before dinner!
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50% on semiconductors
Fuck
I just imposed a series of tariffs on goods made in China:
25% on steel and aluminum,
50% on semiconductors,
100% on EVs,
And 50% on solar panels.
China is determined to dominate these industries.
I'm determined to ensure America leads the world in them.
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I would like to share a few things about a possible DS / DS lite HDMI mod and some interesting things on how DS screens work.
I am still priotize NGPC and PSP HDMI first though. DS will need different approach.
This will be multiple posts so please pay attention to the thread.
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Preservation news:
日本の友達、見てください。
Approximately 900 FMT discs have been archived or secured and soon to be archived. This leaves less than 50 games still missing. This doesn't count floppy disk only games or FD only software.
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@kelslewin
The largest obstacle is the legal system in the United States. Until laws are passed that make exceptions to libraries/archives to perform their duties, game preservation will remain a 'hobby' as it is categorized now. Largely this is a copyright issue.
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This isnt an excuse. "Firmware infancy" should not shield criticism. Thats anything in this space.
Did you buy your car with broken software? What about your phone?
The mentality of buying new toys with the EXPECTATION the software will be fixed later astounds me.
@WobblingP
@IceStrike256
When you look at pricing, the Morph is an amazing product... it's still in it's infancy compared to the RT4K too, with regards to firmware maturity.
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We can provide the software and disc drives required to dump these rare games to any interested parties. We guarantee anonymity if requested.
The console that sold the absolute most units in history should be documented very well and not forgotten about. 4/
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Inside PSP-GO dock.
Very simple stuff. One additional item comes in this coming week and if what I suspect is correct, I will have a proto build before Xmas.
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Long post. On preservation:.
Approximately 895 FM Towns CD ROM have been recovered and digitized with an estimated 1400 CD-ROM variants in existence. At a later time I will try to calculate a final number. This leaves about 64% of the software library digitized 1/
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Is there a point in the console HDMI modifications anymore since we have 4K video processors now?
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De10-nano killer.
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For sale
$950 USD
This is generous price compares to ebay sold listings. Promise you.
The shell is old shell.
PS1D HDMI is installed on lastest fw
MODE is installed with a 2TB SSD
Two fans inside with LED.
Rear EXP port cover is missing.
Ill add controller and memorycards.
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Cards arrived
Basically the 24 bit parallel RGB from PSP goes into the left card. The right card is the vga output. It should support resolutions up to 1080p VGA if I want to line multiply the PSP video.
Note PSP is 2.5V logic and I needed level shifters.
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Why is it we have Mister FPGA computer but nobody put forth effort into open source ODE replacements?
Everyone uses preservation as a buzzword but there is very poor visibility regarding open source CD-ROM emulators for these retros. 1/2
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Hot take:
I think Xbox is only console that is recommended for HDMI modification.
Everything else output good analog video.
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Clearing excess out.
$170 each
DC HDMI, PSU recapped, resettable fuse and socket battery.
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the diff pair clock is running at 54mhz. I also verified this by measuring positive clock edge rail on oscilloscope. Earlier this summer I verified PSP1000 has a roughly 9mhz pixel clock.
On top of that there is a separate i2c bus to configure LSI chip onboard the LCD panel
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Cartridges are more durable than than laser diode in CD-ROM.
I will be making an announcement in the next few weeks regarding open source CD-ROM emulators which is the final frontier for these systems. I expect blowback.
FMT, PCE, MCD are what I see so far.
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@retroaccess
Start a gofundme. The community you have taken care of will take care of you. Seriously.
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So if we are running 54mhz diff pair clk, and we have two data pairs, and we have 24 bit RGB.....
It takes 6 clock cycles on the 1.8V LVDS bus to send 1 pixel. This is mostly done for a power efficiency move but the SVDI standard is quite unusual in that aspect.
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Important PSP-3000 reverse engineering update.
I think I have an understanding of PSP-3000 SVDI Sharp protocol used to communicate pixel data to LCD LSI. I will poke this more throughout the week. Falling asleep at my desk so time for bed.
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Demo splash is occurring at Carnegie Melon University
Tomorrow evening Captainys will showcase various FM7 / FM77 and FM Towns computers.
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There is a PayPal donation link. It is not my PayPal but rather the person that is on "Team PS2" buying and dumping these.
We are also interested in anyone that has capability to watch naver(Korean) groups and anyone that has access to secondhand groups in China.
5/
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especially one where the HSYNC VSYNC DE are not in the LVDS signals itself but sent externally!
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Ok guys. The question is simple.
Might want to bookmark this and wait for replies.
As of 2023, what consoles require new capacitors and where specifically are you noticing the failures at in those consoles?
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386->486 upgrade on FM Towns tower is the hardest desoldering job you will ever do period.
Merry Christmas and happy holidays to all! Thank you everyone for making it possible as. I appreciate all the love and support guys! Peace and love all. Also, what I've been focusing on.
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Super Prologue 21 BIOS has been dumped successfully and no, it isn't like a stock Saturn BIOS.
If you are an emulator author or Saturn developer requiring this for your research or emulator please contact me.
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I have remixed the
@BlueScsi
Hard drive emulator to use Centronics 50 connector instead of IDC50. This connector is used primarily with a lot of Japanese retro computers such as X68000 and FM Towns.
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In summary, we need help. Contact me or
@_atrac17
if you're interested in collecting, buying and dumping rare Asian PS2 games.
And yes we have a missing list.
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I have given it some thought on DS consolizer. I would like to continue it along with the NGPC one I wanted to do. The NGPC one would be much easier to do in comparison. More below 👇
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A purpose built board would really be needed to capture pixel and data output follow by JTAG process. Gowin doesn't have a 1.8V LVDS board unfortunately but the chips support it. Anyway, I thought the community would find a primitive LVDS-type BUS interesting.
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$850 USD shipped.
It is a Hanshin Tigers GameCube set.
GCLoader and Noctua fan are installed.
There is virtually zero yellowing on the GameCube.
It is CIB. The price will not be negotiated. It is a fair price considering prices of boxed ones on eBay and the modifications.
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Friend of mine did this last night.
Complex application of
@collingall
No-cut shell. However the hi-def nes HDMI connector was specially modified.
So mini-hdmi to JP21 RGB long story short.
The result is an RGB capable Hyundai Comboy (NES). No shell cuts on this rare model.
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I haven't made or released Saturn controller adapter for MISTER computer yet.
Is there any other interest for it? Originally I was going to just make it for me and
@_atrac17
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