FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 235)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.104 DMOV (Move Word Data from Direct Address to
Pre-decrement Register Indirect Address)
Decrements the value of "R15" by 4, then transfers word data at the direct address
corresponding to 4 times the value of "dir8" to the address indicated in "R15".
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DMOV (Move Word Data from Direct Address to Pre-decrement Register Indirect
Address)
Assembler format: DMOV @dir10, @ – R15
Operation: R15 – 4 → R15
(dir8 × 4) → (R15)
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 2a cycles
Instruction format:
N Z V C
– – – –
MSB LSB
0 0 0 0 1 0 1 1 dir8