Nasa’s Apollo navigation computer can mine Bitcoin
4 kbyte memory for Sha-256
Shirriff also had to write some memory instructions in subroutines themselves that use modern computers and also Sha-256 – such as Rotate and Shift. The memory itself is a problem that is about 4 Kbytes in size and stores information in magnetized ferrite rings. “I managed to squeeze everything into a memory bank using the same 16 words for multiple purposes,” says Shirriff. That had been associated with much debugging.
The AGC was used by NASA for many Apollo missions as a navigation computer. He was modern for the time, as he was already equipped with integrated circuits and weighed only about 35 kg. In 2016 hobbyists could save a copy from scrapping and get it working again.
read the full story: righto.com
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