ST20C2 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST20C2

Instruction Set Reference Manual

STMicroelectronics 

tret

tret

trap return

Code: 60 FB

Description: Return from a trap handler.

Definition:

GlobalInterruptEnables′ ←

TrapEnables[Priority] ←

Status′

←

Wptr′

←

Iptr′

←

word[traphandler @ 0]16..23

word[traphandler @ 0]0..13

word[traphandler @ 1]

word[traphandler @ 2]

word[traphandler @ 3]

where traphandler is the address of the traphandler for the trap group

of the current handler and the current priority.

Error signals: none

Comments:

Secondary instruction.

See also: ldtraph sttraph

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