The microcode for the interrupt handler.

Notices where this attachment appears

1. Ken Shirriff (kenshirriff@oldbytes.space)'s status on Wednesday, 22-Feb-2023 16:11:30 JST Ken Shirriff

   in reply to

   For a software interrupt, this INTR microcode pushes the flags and gets the interrupt handler address from the vector table. Two adds multiply the interrupt number by 4 to get the table address. The FARCALL2 and NEARCALL routines do a subroutine call to the handler.