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SX Embedded Controller Instruction


Description: Return from interrupt
Operation: PC, W, FSR and status = shadow register
Flags affected: all status flags
Registers affected: PC, W, FSR
Sources referenced: -
Cycles: 1
Details: SX Users Manual page # 114
Microchip PIC syntax:

RETI - Return from interrupt. The PC, W, STATUS and FSR registers are restored to the values they had when the interrupt occurred. Shadow registers are used to hold these values; the subroutine return address stack is not used. Thus subroutines can be called to a depth of eight levels while interrupts are enabled.

by Loren Blaney via Richard Ottosen

See also:

file: /Techref/scenix/inst/reti.htm, 2KB, , updated: 2018/11/6 12:50, local time: 2024/7/14 21:40,

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