15 ms·
>especially in embedded, where you might not get memory protection! Or where there's perfectly valid memory mapped to address 0
by sjolsen 7y ago
>especially in embedded, where you might not get memory protection!
Or where there's perfectly valid memory mapped to address 0
- WalterBright 7y agoThe 8086 put the DOS vector table at address 0, in retrospect a truly terrible choice. Any null pointer writes would trash the operating system. A much better design would have been to put the system ROMs at 0, where at least DOS would survive a null pointer.