OldBytes Space - Mastodon

The following is a valid DOS COM executable that prints "HELLO" in the lower right corner of the screen.You can copy these emoji into a text editor, and save it as EMOJI.COM. it should be 141 bytes.It will run in DosBox-X, with the following options:cpu c

i wonder if you could make a useful DOS executable with just emoji

Attached: 1 imageThe "UNIX v4 tape" running in simh PDP11 emu on IRIX:

@[email protected] @[email protected] I have the equipment. It is a 3M tape so it will probably be fine.It will be digitized on my analog recovery set up and I'll use Len Shustek's readtape program to recover the data.The only issue right n

Attached: 1 imageSome neat info about 70s hard drive contaminants.From the DEC RK05 disk drive maintenance manual (DEC-00-HRK05-C-D)#retrocomputing #dec

Attached: 2 imagesOMFG, I own a piece of history.

Attached: 1 imageWe obtained a mysterious box of 1960s electronics. I reverse-engineered it and with much effort, we got it running. It turns out to be a test unit for testing NASA's Up-Data Link, a system from the Apollo moon landing to control the space

Attached: 2 imagesWatched 'The Lion, the Witch, and the Wardrobe' last night. The centaurs looked freakishly ... long. I tried to make a better centaur.

Attached: 1 imageAdding on a computer is trickier than you'd expect. The Pentium processor (1993) used a variety of circuits for addition. I reverse-engineered an adder in the floating point unit and found that it is a "Kogge-Stone carry-lookahead adder",

Attached: 1 imageIntel launched the Pentium processor in 1993. Unfortunately, dividing sometimes gave a slightly wrong answer, the famous FDIV bug. Replacing the faulty chips cost Intel $475 million. I reverse-engineered the circuitry and can explain the