| 释义 |
interrupt mask bit 中断屏蔽位;[岔断罩码数元] A specific bit designed to prevent the CPU from responding to further interrupt requests until cleared by execution of programmed instructions. It may also be manipulated by specific mask bit instructions. 用来阻止计算机响应进一步的中断请求而设置的一种特殊二进制位,当用程序执行指令 清掉该位时,CPU可继续响应中断请求。该二进制位也可以由专门的屏蔽位指令控制。 |