An instructionstorage interrupt is a page fault on an instruction fetch.
指令存储中断通常是指在取出指令时发生页面错误。
2
400-instructionStorage Interrupt (ISI).
400 -指令存储中断(ISI)。
3
A program references storage using the effective address computed by the processor when it executes a storage Access or Branch instruction or when it fetches the next sequential instruction.