Zilog Z08470 Manuale Utente Pagina 105

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UM008007-0715 Z80 Instruction Description
Z80 CPU
User Manual
93
LD A, R
Operation
A R
Op Code
LD
Operands
A, R
Description
The contents of Memory Refresh Register R are loaded to the Accumulator.
Condition Bits Affected
S is set if, R-Register is negative; otherwise, it is reset.
Z is set if the R Register is 0; otherwise, it is reset.
H is reset.
P/V contains contents of IFF2.
N is reset.
C is not affected.
If an interrupt occurs during execution of this instruction, the parity flag contains a 0.
M Cycles T States MHz E.T.
2 9 (4, 5) 2.25
11 0 01111
ED
01 1 11101
5F
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