<rqou>
the classic way to RE these is to somehow get the device to display solid colors and the poke around with a logic analyzer for a few hours
<rqou>
apparently whitequark didn't even need that first step
<whitequark>
rqou: nah
<whitequark>
i found the service manual with the schematic
<rqou>
heh that makes things much easier
<whitequark>
then i typed the pin names into google and it turns out sharp makes lcds with that interface for like two decades
<whitequark>
the specific one isnt documented but who cares
<rqou>
what does this person want this for?
<whitequark>
and that was unnecessary
<whitequark>
because then i poked the pixel clock and realized it's actually enough
<whitequark>
it's disabled during blanking intervals
<whitequark>
i just use a timer to detect vblank
<whitequark>
what i dont understand though.
<whitequark>
is why do i have digital noise on the *entire* red channel and *only* red channel
<whitequark>
this doesn't make any goddamn sense, the pins are scrambled so if i had noise on some particular part of the cable it'd be all over the channels
<whitequark>
abadidea wants to record... speedruns... of pokemon crystal? i think?
<rqou>
what
<rqou>
why can't they use the classic hack? gameboy player into a crappy analog capture card
<whitequark>
gameboy player?
<rqou>
yeah
<whitequark>
whats that
<rqou>
the weird addon for the GameCube that allows playing gb/gba games
<whitequark>
idk
<rqou>
basically has a gba cpu crammed into it with a glue asic that captures video and shoves it into the gamecube expansion port
<rqou>
btw for bonus fun, buying an Gameboy player is pretty cheap on ebay nowadays, but buying the disk needed to boot it up is expensive af :P
<whitequark>
maybe that's why
<rqou>
because the disk is tiny and have all gotten lost
<rqou>
thanks DRM
<rqou>
hmm, was abadidea originally in tech? her birbsite profile seems like a "burned out of tech" profile
<whitequark>
yes
<whitequark>
she didn't burn out exactly
<whitequark>
she uh... gained a pretty awful disease
<whitequark>
no one seems quite sure what exactly it is but it's hyperacusis to the extent that the US healthcare system actually accepts that it's a disability
<rqou>
oh huh, that sucks
<whitequark>
why do I have 4500 Hz noise I wonder
<whitequark>
very consistent too
<qu1j0t3>
yeah i remember when that happened to 0xabad
<qu1j0t3>
:<
* qu1j0t3
is longtime follower
<kc8apf>
rqou: hmm. Gameboy player hardware sounds like a curious bit of hardware to tinker with. *Adds to potential project list*
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<mithro>
Morning!
<mithro>
goals for today -- get a valid bitstream from vpr!
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<sorear>
Woah!
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<pie__>
material science running out of words is annoying. resilience: the ability of a mateiral to store energy by elastic deformation