Table 46, I/o instructions, Z8018x family mpu user manual – Zilog Z80180 User Manual
Page 247: Table 46. i/o instructions
Z8018x
Family MPU User Manual
UM005003-0703
231
Table 46. I/O Instructions
Operation
Name
Mnemonics
Op Code
Addressing
Bytes States
Operation
Flags
7
6
4 2
1
0
Immed Ext Ind Reg RegI Imp Rel
S
Z
H P/V N
C
INPUT
IN A,(m)
11 011 011
D
S
2
9
(Am)1,
®Ar
· ·
· ·
·
·
m
®A0~A7
Ar
®A8~A16
IN g,(C)
11 101 101
D
S
2
9
(BC)1
®gr
01 g 000
g = 110 : Only the
R P
R
·
flags change
Cr
®A0~A7
Br
®A8~16
IN0 g,(m)**
11 101 101
D
S
3
12
(00m)g
®gr
R P
R
·
00 g 000
g = 110 : Only the
flags change
m
®A0~A7
(00)
®A8~A16
(5)
(6)
IND
11 101 101
D
S
2
12
(BC)
M
®(HL)
M
X
X X
X
10 101 010
Hl2
®1®Hl2
Br
®1®Br
Cr
®A0~A7
(6)
INDR
11 101 101
D
S
2
14 (Br
¹ 0) (BC)1®(HL)
M
Q
HL2
®1®HL8
Br-1
®Br
X S
X X
X
10 111 010
12 (BR =
0)
Repeat Q until
Br = 0
Cr
®A0~A7
Br
®A8~A16
(5)
(6)
INI
11 101 101
D
S
2
12
(BC)1
®(HL)
M
X
X X
X
10 100 010
HL
R
+ 1
®HL
R
Br-1
®Br
Cr
®A0~A7
Br
®A8~A16
(6)