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Overall I think my idea is the wrong approach. It's probably not possible with this part to line MCU clock edges up with pixel clock edges, so a fully synthesised hsync will inevitably give tearing during image scan. Passing the actual hsync from wherever through will mean at least the displayed...

I think that would give you tearing still - even the 16MHz clock boundaries will be a touch under 2 pixels wide, drifting in and out of sync with the pixel clock. The way I'm thinking would need fine frequency control over that clock to line it up with the inbound hsync pulses (using an JK latch...

Hrm. So with a 4MHz INTOSC, and a 25.175MHz pixel clock as the slowest option in VGA, in the best case you've got over 6 pixels flying past per clock so *nothing* controlled by the CPU can be pixel-perfect given arbitrary phase on INTOSC. I know squat about PIC, but is there any way of tuning...

Caveat I'm absolutely no electrical engineer, but yeah I think that should work. Oh, yeah of course the colour signal is analogue. Trying to pull level change edge timings out of that through the ADC isn't going to be a win.

Not sure what voltage you need to drive out, but do you actually need a full 5v to drive the PIC? If you can take a diode's voltage drop, would it work to feed *all* the candidate power lines in through individual diodes to give a PIC power rail at ~4.3v? Janky, but could work? With the timing...

traditional AT&T dbm (in 3.x as well, bdb was 3rd-party port) huh, no, perhaps I'm lying. A/UX /usr/include/dbm.h carries copyrights from Apple, Sun, and UCB across versions 1/2/3, but no mention of AT&T. I guess it was bdb from the start?

I'll take another look at that but I'm pretty sure it's just client-side support. edit: yeah just Mac client support, no DB server in there.

Anyone using Ghidra for A/UX executables, how are you doing it? Just extracting the .text/.data sections and importing as raw, or do you have a way to directly load the COFF objects? Out of the box Ghidra doesn't recognise big-endian COFF, but the patch is an easy fix and at least this gives...

Setting up Oracle 7 on A/UX, I noticed in one of the included docs ("APPLE: Using SQL*Net AppleTalk", Oracle document 104010.186) that apparently there was an Oracle 6 server for classic MacOS: and Has anyone here ever seen this? Was it an actual thing that was ever released? edit to add...