
FR81 Family
306 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.111
7.111 LDUB (Load Byte Data in Memory to Register)Extends with zeros the byte data at memory address Rj, loads to Ri.
●Assembler Format
LDUB @Rj, Ri
●Operation
extu((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
00000110 Rj Ri