
UM008007-0715 Z80 Instruction Description
Z80 CPU
User Manual
91
LD (nn), A
Operation
(nn) ← A
Op Code
LD
Operands
(nn), A
Description
The contents of the Accumulator are loaded to the memory address specified by the oper-
and nn. The first n operand after the op code is the low-order byte of nn.
Condition Bits Affected
None.
Example
If the Accumulator contains byte D7h, then executing an LD (3141h), AD7h instruction
results in memory location
3141h.
M Cycles T States 4 MHz E.T.
4 13 (4, 3, 3, 3) 3.25
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