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FR81 Family
372 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.145
● Execution Example
RETI ; Bit pattern of the instruction: 1001 0111 0011 0000
8 0 88 80 88
FFF3 F 8 F1
8 0 88 80 88
FFF3 F 8 F1
R15
xxxx xxxx
7FFFFFF8
7FFFFFFC
80000000
7FFFFFF8
7FFFFFFC
80000000
8 000 0000
4000 0000
SSP
4000 0000
USP
PC
FFF3 F 8 F1
8 0 88 80 88
PS
10011
ILM
10000
ILM
110001
S INZVC
CCR
R15
7FFF FFF8
7FFF FFF8
SSP
4000 0000
USP
PC
FFF0 F8 D4
FF00 90BC
PS
010100
S INZVC
CCR
Memory Memory
Before execution After execution
xxxx xxxx