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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.26 BANDL (And 4-bit Immediate Data to Lower 4 Bits of Byte
Data in Memory)
Takes the logical AND of the 4-bit immediate data and the lower 4 bits of byte data at
memory "Ri", stores the results to the memory address corresponding to "Ri".
The CPU will not accept hold requests between the memory read operation and the
memory write operation of this request.
■ BANDL (And 4-bit Immediate Data to Lower 4 Bits of Byte Data in Memory)
Assembler format: BANDL #u4, @Ri
Operation: {F0
H
+ u4} and (Ri) → (Ri) [Operation uses lower 4 bits only]
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 1 + 2a cycles
Instruction format:
NZVC
––––
MSB LSB
10000000 u4 Ri