25 iret return from interrupt – Texas Instruments MSP50C6xx User Manual
Page 195
Individual Instruction Descriptions
4-109
Assembly Language Instructions
4.14.25
IRET
Return From Interrupt
Syntax
[label]
name
Clock, clk
Word, w
With RPT, clk
Class
IRET
2
1
N/R
5
Execution
PC
⇐
TOS
R7
⇐
R7 – 2
TOS
⇐
*R7
Flags Affected
None
Opcode
Instructions
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
IRET
1
1
0
1
1
1
1
0
1
0
1
1
1
1
1
1
0
See Also
RET, CALL, Ccc, INTE, INTD
Description
Return from interrupt. Pop top of stack to program counter.
Example 4.1
IRET
Return from interrupt service routine. If used in a called subroutine, return from subroutine.