question archive What is to be done if a particular part of a program is not to be interrupted by RST 7
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What is to be done if a particular part of a program is not to be interrupted by RST 7.5, RST 6.5, RST 5.5 and INTR? When returning back to the main program from Interrupt Service Subroutine
(ISS), the software instruction EI is inserted at the end of the ISS. Why?