The PET ran on the order of 1MHz, so instructions took microseconds to execute. The 6522's shift register as implemented in hardware had a bug, where if the register line changed within a few nanoseconds of Clock changing, it would go to full voltage and stick until the computer was reset. 30/
=> More informations about this toot | View the thread | More toots from Two9A@hachyderm.io
text/geminiThis content has been proxied by September (3851b).