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Post AvjqTIce4jVqO4PXQu by [email protected] |
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More posts by [email protected] |
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Post #AvhZdo6XnDwvO1tttw by [email protected] |
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Nothing says UART like... video sync signals? |
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Post #AvhZka7SBkEY2TYYd6 by [email protected] |
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I'm taking apart a "Mini DVD Player HDMI, DESOBRY 1080P HD Small Compa… |
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Post #Avha1OFdZBuy9bOo3E by [email protected] |
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It's powered by a Sunplus SPHE8203R. |
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Post #AvhaCFPqkwyJwALxuC by [email protected] |
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Sunplus calls this a "DVD Single Chip MPEG A/V Processor"https://w3.s… |
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Post #AvhaDDY5BTCyR4fO4G by [email protected] |
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@foone this image is somehow powerfultruth coming out of her p-well to shame ma… |
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Post #AvhaEqmmmpywPvK3VY by [email protected] |
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@foone i could build that |
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Post #AvhaIzWMFgXufOc45A by [email protected] |
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@foone Sync-on-green RS-232. |
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Post #AvhaaZBotDmCDLO3Oq by [email protected] |
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@foone Would love to see what the actual unit looks like, I remember seeing som… |
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Post #AvhallKg5DDz3mrvYe by [email protected] |
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Naturally for a Single Chip system, it has four chips.Here's the next one, … |
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Post #Avhb0MEbg96TZ1zMEy by [email protected] |
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And an AiP1628: This is an LED driver, which used to drive the front panel 7-se… |
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Post #Avhb9fo0HfGErtzH1M by [email protected] |
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And here's a Winbond W25Q16JV: a 3v 2-megabytes SPI flash |
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Post #AvhbHljm769ra9rz7o by [email protected] |
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@mgjetson me, apparently |
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Post #AvhbPSMu0iHrpLpxCK by [email protected] |
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@foone They sanded the chip but stopped before it erased most of the markings? … |
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Post #AvhbPSSZfcpA6wUU2S by [email protected] |
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@snowfox nah, that's the result of adhesive thermal paste |
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Post #Avhbksld3V8lmbcS6y by [email protected] |
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The documentation of this is, of course, lacking. gotta keep your 2008 DVD deco… |
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Post #AvhbnbAwuvDW5ml2u0 by [email protected] |
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@foone I'm gonna ask something stupid. How do you know all this stuff? Are … |
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Post #AvhbsuUUWzKpRfQnXU by [email protected] |
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@fooneOh god it's got a NES emulator doesn't it |
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Post #Avhbw6WoEUpxeC2Rdo by [email protected] |
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And the board design schematic lists pins GAME_D0, GAME_D1, GAME_LATCH, and GAM… |
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Post #Avhc6InJTxYuaOcY6q by [email protected] |
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And Sunplus never seems to give any more detail on what this chip is powered by… |
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Post #AvhcAOvwbBO8mic1pI by [email protected] |
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@fooneIf we had better docs, could it run 9front?! |
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Post #AvhcEeozTCgrDbOCdk by [email protected] |
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they launched this chip August 30th, 2007:https://www.design-reuse.com/news/202… |
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Post #AvhcpPZB9PBUcWWFto by [email protected] |
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I found some source on verysource, and while I can't download the whole thi… |
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Post #AvhcvfWmifoPrSNp2G by [email protected] |
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They've got a tetris game in the source and also mentions of NES games? |
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Post #Avhd0t0O2QPb6niWWG by [email protected] |
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@fooneCalled it |
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Post #Avhd5WNLbOJCN7fPea by [email protected] |
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@yuriaugustus I'm mostly self-taught for EE, I went to school for comp-sci |
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Post #Avhd8IJ2Mv3nbYyOoa by [email protected] |
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@ozzelot yup! |
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Post #AvhdB2VJZntNSs1bYO by [email protected] |
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@fooneTo be fair it's a very obvious call |
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Post #Avhddfi7Ovo9AafORU by [email protected] |
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man this thing has a lot of registers. They put a lot in this chip, it's a … |
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Post #AvhdjIfhyKFXSBDtdg by [email protected] |
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@fooneDoes the "16" mean 16-bit? Surely not. Surely they don't ha… |
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Post #AvhdmGqjCgOUfdnIMS by [email protected] |
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@foone Or another 6502 bastard? Just remember, the original Furby being based o… |
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Post #AvheJu7qCHxA2Upu0O by [email protected] |
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anyone got some VerySource credits? https://en.verysource.com/item/8203r_rar-56… |
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Post #Avhej5IRngxLvQnul6 by [email protected] |
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@foone *looks at pricing* are they charging... ten cents for this? |
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Post #Avhf3Xirp3VrsYuuyu by [email protected] |
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@gsuberland yep |
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Post #AvhfIB22T6lvqfrXHs by [email protected] |
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@foone at that point I wonder why they even bother paywalling it!d'you have… |
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Post #AvhiVdQkUiCNYIWsdM by [email protected] |
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@foone some of these Sunplus dvd player chips have support for a proprietary fl… |
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Post #AvhleJ0A7KiMf6v4vg by [email protected] |
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@fooneMaybe even a famiclone cause who knows, they might have had space on that… |
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Post #AvhlfxgYLFEJ87XNAG by [email protected] |
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@foone SunPlus is known for writing their own CPU architectures, they had µ… |
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Post #AvhlfxohqvkfXPLssC by [email protected] |
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@foone not that they *didn't* use ARM at all but i recall them using their … |
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Post #AvhljuweTKgLmzxBlw by [email protected] |
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@foone Maybe that means it runs NES games better than the DVD player in https:/… |
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Post #AvhlyuZ4AWPCxA4U7s by [email protected] |
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@foone That shits like 35 bucks who's buying these |
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Post #Avhm1ff02Tkzb5A8cC by [email protected] |
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@foone IIRC Sunplus had their own ISA |
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Post #AvhmAN9SDvNkncYZPs by [email protected] |
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@lion @foone @kbity OOOOO so there is emulation progress! I stumbled upon the l… |
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Post #AvhmDqjMhmrBPG0mjw by [email protected] |
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@foone The baud rate is: Green. No stop bit. |
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Post #AvhmDqq6IkFDk9AAEq by [email protected] |
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@spacehobo @foone Horizontal parity |
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Post #AvhmGBS0di88FQ0TJo by [email protected] |
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@foone love the PS2 controller with the PlayStation logo sanded off |
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Post #AvhmOSLhhCtyyQ0BDE by [email protected] |
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@foone you know what why the fuck not |
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Post #Avhnj4L6G5p0Xn71No by [email protected] |
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@lion @kbity yeah! I saw native32 mentioned in some related datasheets. I'm… |
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Post #AvhrgM1mR8hALr2KfY by [email protected] |
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@foone that smells suspiciously famicloney |
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Post #Avhz0eqKtGsaB3JPtI by [email protected] |
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@foone the H-Sync signal is ^M. V-Sync is ^[[2J. |
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Post #AvhzuIb2n2ZpOggv2G by [email protected] |
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@foone ORCAD JUMPSCARE |
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Post #Avi1pt4pvdg303eOnI by [email protected] |
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@foone Maybe the "serial" in question was The Twilight Zone? |
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Post #Avi5wgDYXNx8xeDv3g by [email protected] |
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@foone a Sunplus SPHE variant was also in here, I did a fair bit of reverse eng… |
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Post #AviAwT0u85IPmR1WRE by [email protected] |
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@foone @lion I think it might, I know at least some of the SPHE8202 do |
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Post #AviMsln5ZbcyJAZ5ma by [email protected] |
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@foone Back in the days when the IFA in Berlin still was something™ |
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Post #AviN85e42MskEHeIbo by [email protected] |
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@Rib ooh, definitely! |
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Post #Avj9h6Dah6TfwS1ewS by [email protected] |
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@foone If you want some money for credits, let me know- I can send you a donati… |
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Post #AvjpnCIBDiKGamlLAu by [email protected] |
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okay I've got a copy. Some fun stuff in here:void generate_registration_cod… |
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Post #AvjqFacENc7s8dgCmG by [email protected] |
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there's code here to support PS2 mice? ON A DVD PLAYER? |
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Post #AvjqNZ2Y7ahjZJnCNs by [email protected] |
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apparently you activate the UART by sending it "uart" |
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Post #AvjqQOmgi0aod5j160 by [email protected] |
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@fooneI was very confoozled as I just purchased my approximately billionth play… |
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Post #AvjqTIce4jVqO4PXQu by [email protected] |
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@foone adminadmin |
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Post #AvjqYX1JyHlYUQRosS by [email protected] |
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@foone I suppose that’s what happen when your device is just a hodgepodge of … |
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Post #AvjqZ53HRVXG2LcreS by [email protected] |
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@foone not meart. uart. |
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Post #Avjqf0F0F5yeqyvuNM by [email protected] |
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and these programmers were clearly paid by the IFDEF |
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Post #Avjqhr34sMbnDFiNrU by [email protected] |
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that's how you know it's embedded as fuck |
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Post #AvjqksY3kxVGjUeGcC by [email protected] |
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@fooneBetter than getting paid by the IDF |
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Post #Avjqt9L1DUt57bUb0i by [email protected] |
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there's code here to score karaoke results. it mainly works via rand()or, t… |
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Post #Avjr36HTRDf8XHZye8 by [email protected] |
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#ifdef SUPPORT_GAME_TETRIS TerisPolling(diff); #e… |
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Post #Avjr9VELaa3HeYAaOG by [email protected] |
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@foone that makes total sense to me |
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Post #AvjrF0PT5mZ1nmzmZE by [email protected] |
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@fooneApparently it was always meant to be Terith. |
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Post #AvjrMNsKFMBkbd0mUi by [email protected] |
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@foone a friend who has worked at <huge embedded megacorp which makes silico… |
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Post #AvjrMNyhrdICvPzsRM by [email protected] |
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@r wow |
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Post #AvjrYytORY6Ct6WA5Y by [email protected] |
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there's a hardcoded "super password".It's 5168. What's it… |
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Post #AvjrbyhnaxLJB0WWq8 by [email protected] |
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@foone Sorry I thought Tetris was like default. we need some games for this thi… |
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Post #AvjrehWzuA7SmRlmy0 by [email protected] |
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@foone :blob_fucking_weird_cat: |
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Post #AvjrhyfWe0YmngJxwW by [email protected] |
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@Canageek not tetris, teris! |
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Post #AvjrpY5dLd7EgT8wFc by [email protected] |
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@foone ohhhhh |
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Post #AvjsD6ZvHoqoJCXkA4 by [email protected] |
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// Developed at SunPro, a Sun Microsystems, Inc. business.wait what? |
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Post #AvjsG6uaVHtmD9dsC8 by [email protected] |
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@foone Blum Blum Shub Bob, we called him. |
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Post #AvjsJGAyW1s9oRoDJI by [email protected] |
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this is a SunPlus device, not SunPro. And SunPlus has nothing to do with Sun Mi… |
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Post #AvjsNLJZLu4iuMm9Ka by [email protected] |
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okay, that's because they're using a sun-derived math library. |
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Post #AvjsbgYt9XYcrJmR8K by [email protected] |
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@foone Yeah Teri wrote that polling code. Like how My wrote MySQL. |
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Post #AvjtAylzR46nTYjnKC by [email protected] |
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There's code here to copy a CD to a hard drive. So I guess you could use th… |
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Post #AvjtsRmBTiaNsaYVHs by [email protected] |
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@foone I love its huge (ground?) pins |
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Post #AvjuPmTXXWqbdKjIhM by [email protected] |
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@amsomniac yeah! some motor drivers do that, because they make a lot of heat. b… |
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Post #AvjuYFlmVaNunwImWG by [email protected] |
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@foone the SunPro compiler toolchain is still a thing for developing on Solaris… |
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Post #AvjujFNaIeGImOE5UO by [email protected] |
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@foone is there a parental mode? (Can you tell a DVD player to lock out naughty… |
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Post #AvjxrbHB4X2Irzu7Si by [email protected] |
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@foone SunPro and SunSoft were early Sun Microsystems subsidiaries. See msun ht… |
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Post #Avk4TMU17TVrigIb4a by [email protected] |
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@foone Ah, that brings back memories. Sweet, sweet preprocessor abuse… 🥹 |
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Post #AvkkTwpoA5uWXKSBdY by [email protected] |
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@foone SunPlus is popping up a lot in the MAME plug and play projects. It's… |
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Post #AvngkrRhdLl0P6rr8a by [email protected] |
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@foone It's so weird how NES hardware emulators seem to be in absolutely ev… |
