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RETURN

June 23, 20191 min read

Return from Subroutine

Return from subroutine. The stack is POPed and the top of the stack (TOS) is loaded into the program counter. This is a two-cycle instruction.

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Syntax:

[ label ] RETURN

Operation:

TOS → PC

Operands:

  • None

Status Affected: None

Example:

CALL DELAY

DELAY      ;name of the subroutine
NOP
RETURN     ;returns to the caller

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Roland Pelayo started TMM in 2015. He is a firmware engineer who has over ten years of experience in developing electronic and microcontroller-based systems. Roland's designs include medical devices, security and automation, robots, emergency alert systems, and educational training modules.   Have something that you like Roland to write about here? or do you need consultation for microcontroller firmware projects? just contact him via the contact page.