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Download ANI sr2, byte - Renesas Electronics
Transcript
CHAPTER 14 INSTRUCTION SET 14.4.11 Extended immediate addressing This addressing method has 2-byte operand data for manipulation in the operation code. Extended immediate addressing is used when an instruction with the following operand format is executed. Notation Description Method word Label, numeric value up to 16 bits Example 1. LXI rp2, word Operation code 0 P2 P1 P0 0 1 0 0 Low byte High byte If HL is used as rp2 and 3F54H as "word", the instruction is written as shown below. LXI H, 3F54H; HL ← 3F54H The corresponding operation code is shown below. Operation code 230 0 0 1 1 0 1 0 0 0 1 0 1 0 1 0 0 0 0 1 1 1 1 1 1
