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Explain the difference between RET and RETI instructions as implemented in 8051 architecture.
written 7.3 years ago by gravatar for liviavaz liviavaz • 230 modified 5.1 years ago by gravatar for ninadsail ninadsail • 10
microcontroller and applications
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written 7.2 years ago by gravatar for liviavaz liviavaz • 230

RET is used to return from a subroutine previously called by LCALL or ACALL. Program execution continues at the address that is calculated by the topmost two bytes off the stack. The most-significant-byte is popped off the stack first, followed by the least-significant-byte. Addresses of RET is loaded from the …

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