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Arisotura's latest activity
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Bit of a status update. Maybe at some point I should make a dedicated thread for this. Anyway, I'm mostly done with bitstream parsing...
Mar 10, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Lil' status update. I mostly finished making this view. It's largely algorithmic so it adapts to all the XC3000 family layouts. Only...
Mar 2, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Status update: I finally finished mapping out the XC3030 bitstream. The only thing missing is the misc configuration options like...
Feb 23, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
If you're tracing from an output pin, you'll want to find all the input pins that are connected to it, yeah. But if you're tracing from...
Feb 21, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Oh yeah. The way I originally did the tracing was to start from an output and find all connected inputs. I could look into adding...
Feb 20, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
I quickly added support for raw binary files. But hey, that would work too. You'd just need to add linebreaks to separate each data...
Feb 19, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
The .rbt file is a text version of the raw bitstream. You get whatever comment lines at first, then a 40-bit preamble, then the data...
Feb 19, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
I put up the XC2018 stuff on Github, over here: https://github.com/Arisotura/xc2018 The demo is available here...
Feb 19, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
I think I can put up my XC2018 work on Github today, will just need to clean up some tidbits. I could even put up a demo of it on my...
Feb 19, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Yup -- these are the same family, so the base hardware should be the same, but in different amounts. Like how I was able to extrapolate...
Feb 19, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Status update. I added an emulator of sorts to the XC2018 visualization tool I have, which seems to mostly work. There are probably...
Feb 18, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
I'd need to look at it again when I'm back home, but I think A28..31 are compared against ground (which would be a $F given the NuBus...
Feb 12, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
The card ID is checked by U12 (8-bit comparator), one side of it connects to the address lines and the other to the NuBus ID lines, then...
Feb 12, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Fun thing I just noticed. When I created this thread, I pulled a picture of the Lapis PCS from a quick Google search, mostly because I...
Feb 12, 2024
Arisotura
replied to the thread
Reverse-engineering the Lapis ProColorServer 8 II
.
Lil' update on this. I've been looking at the XC2018 stuff, but I'll need to work on making sense of the more complex logic. I have...
Feb 10, 2024
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