What is the difference between masking and non-masking?

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  • Sep 24th, 2007

When logic signal is applied to a maskable interrupt input,the 8085 is interrupted only if that particular input is enable.These interrupts can be enabledisabled under program control.

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In 8085 processor TRAP is a non maskable interrupt.
Whereas RST 7.5,6.5,5.5, intr are maskable interrupts.

Maskable means this interrupts can be left without considering during the execution of the program.

Non maskable depicts that it has to be taken into account during the execution of the program

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