Zilog Z80380 - Manual (Page 99)

5-65
Z380 ™
U SER ' S M ANUAL Z ILOG
DC-8297-03
INW
INPUT (WORD)
INW dst,(C) dst = R
Operation: dst(15-0)
←
(C)
The word of data from the selected peripheral is loaded into the destination register. During
the I/O transaction, the contents of the 32-bit BC register are placed on the address bus.
Flags: S: Set if the input data is negative; cleared otherwise
Z: Set if the input data is zero; cleared otherwise
H: Cleared
P: Set if the input data has even parity; cleared otherwise
N: Cleared
C: Unaffected
Addressing Execute
Mode Syntax Instruction Format Time Note
R: INW R,(C) 11011101 01rrr000 2+i
Field Encodings: rrr: 000 for BC, 010 for DE, 111 for HL