FR81 Family
308 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.112
7.112 LDUB (Load Byte Data in Memory to Register)
Extends with zeros the byte data at memory address R13 + Rj, loads to Ri.
● Assembler Format
LDUB @(R13, Rj), Ri
● Operation
extu((R13+Rj)) → Ri
● Flag Change
N, Z, V, C: Unchanged.
● Classification
Memory Load instruction, Instruction with delay slot
● Execution Cycles
b cycle
● Instruction Format
NZVC
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MSB LSB
00000010 Rj Ri