Zilog Z80380 - Manual (Page 100)

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Z380 ™
U SER ' S M ANUAL
DC-8297-03
Z ILOG
IN
INPUT ACCUMULATOR
IN A,(n)
Operation: A
←
(n)
The byte of data from the selected peripheral is loaded into the accumulator. During the
I/O transaction, the 8-bit peripheral address from the instruction is placed on the low byte
of the address bus, the contents of the accumulator are placed on address lines A15-A8,
and the high-order address lines are all zeros.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Addressing Execute
Mode Syntax Instruction Format Time Note
IN A,(n) 11011011 ——n— 3+i