FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 172)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.54 LDI:20 (Load Immediate 20-bit Data to Destination
Register)
Extends the 20-bit immediate data with 12 zeros in the higher bits, loads to "Ri".
■
LDI:20 (Load Immediate 20-bit Data to Destination Register)
Assembler format: LDI:20 #i20, Ri
Operation: extu (i20)
→
Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 2 cycles
Instruction format:
Example: LDI:20 #54321H, R3
N Z V C
– – – –
MSB LSB
1 0 0 1 1 0 1 1 Ri (n+0)
i20(lower)
i20(higher)
(n+2)
R3 R3 0 0 0 5 4 3 2 1 0 0 0 0 0 0 0 0
Before execution After execution
Instruction bit pattern : 1001 1011 0101 0011
: 0100 0011 0010 0001