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6502

181 bytes added, 22 September
/* Interrupts */
== Interrupts ==
 
6502 machines use the last 6 bytes of their address space to hold a vector table containing (in order) the addresses of the NMI routine, the program's start, and the IRQ routine.
On a RESET, the CPU loads the vector from $FFFC/$FFFD into the program counter and continues fetching instructions from there.
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