Music: Dale North and Terrence O’Brien
UK company sends factory with 1,000C furnace into space
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It made me wonder, how damaging would it be for an active business? A few hours of downtime costs real money. For me it costed only time.
The answer is essentially hardware-level dependency injection. Before calling LD_DESCRIPTOR, the caller saves its desired test constant into a hardware latch using a micro-op called PTSAV (Protection Save). Within LD_DESCRIPTOR, another micro-op called PTOVRR (Protection Override) retrieves and fires the saved test.