techav
@techav.net
A recovering art major with over a decade in IT and half a lifetime building and programming tech projects.
Wire wrap is great because it can be undone by just twisting the opposite direction. But the layers of wires add up quickly and it can be difficult to fish out a wire to remove it.
December 21, 2025 at 9:45 AM
Wire wrap is great because it can be undone by just twisting the opposite direction. But the layers of wires add up quickly and it can be difficult to fish out a wire to remove it.
VCF Southwest 2025 is officially open!
I am set up at the front of the main exhibit hall with my Wrap030 homebrew computer project.
I am set up at the front of the main exhibit hall with my Wrap030 homebrew computer project.
June 20, 2025 at 6:02 PM
VCF Southwest 2025 is officially open!
I am set up at the front of the main exhibit hall with my Wrap030 homebrew computer project.
I am set up at the front of the main exhibit hall with my Wrap030 homebrew computer project.
A whole new world of capabilities just opened up for my 68030 computer.
April 26, 2025 at 6:44 AM
A whole new world of capabilities just opened up for my 68030 computer.
Manually mapping out signal timing & propagation delays to 1ns resolution for planning a DRAM interface for a MC68030 running at 25MHz.
April 12, 2025 at 6:32 AM
Manually mapping out signal timing & propagation delays to 1ns resolution for planning a DRAM interface for a MC68030 running at 25MHz.
Every computer needs a good ASCII art banner that prints out on startup.
... Even if that's currently about all it can do.
... Even if that's currently about all it can do.
April 11, 2025 at 2:57 AM
Every computer needs a good ASCII art banner that prints out on startup.
... Even if that's currently about all it can do.
... Even if that's currently about all it can do.
Trying to debug a stubborn logic bug with my 68030 homebrew stack. It looks like an Address Error exception, but that doesn't make much sense. Really tough to figure out with only 16 logic analyzer channels.
April 7, 2025 at 3:58 PM
Trying to debug a stubborn logic bug with my 68030 homebrew stack. It looks like an Address Error exception, but that doesn't make much sense. Really tough to figure out with only 16 logic analyzer channels.