Question

Write a progrm to enable rst 6.5 and disable rst 7.5 and rst 5.5

Answer 1

The interrupt RST 7.5, RST 6.5 and RST 5.5 are disabled by anyone of the following operations. * Executing DI instruction; * System or processor reset. * After recognition (acceptance) of an interrupt. These hardware interrupts can be enabled by executing EI instruction.

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