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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.53 LDI:32 (Load Immediate 32-bit Data to Destination
Register)
Loads 1 word of immediate data to "Ri".
■ LDI:32 (Load Immediate 32-bit Data to Destination Register)
Assembler format: LDI:32 #i32, Ri
Operation: i32 → Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 3 cycles
Instruction format:
Example: LDI:32 #87654321H, R3
NZVC
––––
MSB LSB
100111111000 Ri(n+0)
i32(higher)
i32(lower)
(n+2)
(n+4)
R3 R3
8765 43210000 0000
Before execution After execution
Instruction bit pattern : 1001 1111 1000 0011
: 1000 0111 0110 0101
: 0100 0011 0010 0001