Hello. I have questions about implementation of I/O.
When a CPU reads/writes using IN or OUT, all data is delivered to devices (their registers or memory) directly. How are port address divided between devices? And how is this data delivered to a device (are there any agreements)?
When a CPU reads/writes using IN or OUT, all data is delivered to devices (their registers or memory) directly. How are port address divided between devices? And how is this data delivered to a device (are there any agreements)?