upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 110

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

a)
Chapter 3
110
Saturated operation
In the case of saturate instructions, the SAT, S, and OV flags will be set according to the result of the operation
as shown in the table below. Note that the SAT flag is set only when the OV flag has been set during a satu-
rated operation.
instructions
Table 3-6
The following table shows the setting of flags PWS.SAT, PWS.OV, and PWS.S,
depending on the status of the operation result.
Saturation-processed operation result
Preliminary User’s Manual U17566EE1V2UM00
a)
Status of operation result
Maximum positive value exceeded
Maximum negative value exceeded
Positive (maximum not exceeded)
Negative (maximum not exceeded)
Retains the value before operation.
SAT
x
1
1
a
Flag status
OV
1
1
0
S
0
1
0
1
CPU System Functions
Saturation-processed
operation result
7FFF FFFF
8000 0000
Operation result itself
H
H