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NXP Semiconductors
PT2001SWUG
PT2001 programming guide and instruction set
PT2001SWUG
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© NXP B.V. 2019. All rights reserved.
User guide
Rev. 3.0 — 29 April 2019
88 / 153
rfs
Description:
Ends a subroutine.
To continue the code execution, the program counter (uPC) is loaded with the content of
the auxiliary register (aux) automatically updated when the subroutine was called with the
instructions jtsf and jtsr.
Assembler syntax:
rfs;
Table 76. rfs instruction format
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
0
1
0
1
1
0
0
1
1
1
0
0