Kevin Angstadt
@kevinaangstadt.bsky.social
Computing, cooking, teaching, living fabulously 🏳️🌈
he/him/his
he/him/his
May 3, 2025 at 12:31 AM
Using modern tooling, I’ve managed to get MINIX 1.1 booting. Can it do anything? (Shh…)
April 14, 2025 at 2:33 AM
Using modern tooling, I’ve managed to get MINIX 1.1 booting. Can it do anything? (Shh…)
Major computer from scratch update: I booted from a CompactFlash card!
March 18, 2025 at 2:49 AM
Major computer from scratch update: I booted from a CompactFlash card!
Late night in the makerspace prototyping a prototyping board. It fits!
February 13, 2025 at 12:48 AM
Late night in the makerspace prototyping a prototyping board. It fits!
My computer is now successfully reading from a CompactFlash card and sending information about it over serial.
January 30, 2025 at 2:37 AM
My computer is now successfully reading from a CompactFlash card and sending information about it over serial.
Starting to work with data storage on the computer
January 27, 2025 at 1:45 AM
Starting to work with data storage on the computer
Pardon the interrupt(ion). The timer chip is triggering interrupts on IRQ 0!
January 12, 2025 at 3:30 AM
Pardon the interrupt(ion). The timer chip is triggering interrupts on IRQ 0!
The full writable address space is working!
January 10, 2025 at 1:55 AM
The full writable address space is working!
One segment down!
January 8, 2025 at 2:20 AM
One segment down!
Not my best soldering work, but now ROM development will be just a bit easier.
January 7, 2025 at 12:58 AM
Not my best soldering work, but now ROM development will be just a bit easier.
Today’s small victories: I have just seen a function call on my logic analyzer.
January 5, 2025 at 8:24 PM
Today’s small victories: I have just seen a function call on my logic analyzer.
My computer can now self-validate its ROM. And it even helped me find a wiring mistake!
January 2, 2025 at 11:50 PM
My computer can now self-validate its ROM. And it even helped me find a wiring mistake!
Endian-ness is going to be the death of me.
January 1, 2025 at 9:54 PM
Endian-ness is going to be the death of me.
Well, there’s your problem!
December 22, 2024 at 11:22 PM
Well, there’s your problem!
Writing hello world in 10 days is highly productive, right? Right???
December 2, 2024 at 4:10 AM
Writing hello world in 10 days is highly productive, right? Right???
Well, that’s not good!
December 2, 2024 at 1:39 AM
Well, that’s not good!
One step closer to "Hello World". Channel 3 (purple) is the reset line. Channel 2 (blue) is the clock signal. Channel 1 (yellow) is Address Latch Enable. The 80c88 lives!
November 24, 2024 at 1:08 AM
One step closer to "Hello World". Channel 3 (purple) is the reset line. Channel 2 (blue) is the clock signal. Channel 1 (yellow) is Address Latch Enable. The 80c88 lives!
Apparently the day I posted this was “Hello World” day? en.wikipedia.org/wiki/World_H...
November 22, 2024 at 12:50 PM
Apparently the day I posted this was “Hello World” day? en.wikipedia.org/wiki/World_H...
Started writing “Hello World” tonight.
November 22, 2024 at 3:12 AM
Started writing “Hello World” tonight.
Not a great start to restoring an IBM 5160 from eBay. Looks like the shipper used the box for some bowling. Ah well…
November 21, 2024 at 2:58 AM
Not a great start to restoring an IBM 5160 from eBay. Looks like the shipper used the box for some bowling. Ah well…
Well, the makerspace at SLU entered a new era: just spun up the CNC for the first time!
July 6, 2023 at 9:44 PM
Well, the makerspace at SLU entered a new era: just spun up the CNC for the first time!
Who should I follow on here?
July 5, 2023 at 1:26 AM
Who should I follow on here?