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
----
MSB LSB
00000010 Rj Ri