Z80180 Datasheet, PDF (247/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
231
Table 46. I/O Instructions
Operation
Name Mnemonics
INPUT IN A,(m)
IN g,(C)
IN0 g,(m)**
IND
INDR
Flags
Addressing
7 6 42 1 0
Op Code Immed Ext Ind Reg RegI Imp Rel Bytes States
Operation
S Z H P/V N C
11 011 011
<m>
11 101 101
01 g 000
11 101 101
00 g 000
<m>
11 101 101
10 101 010
11 101 101
10 111 010
DS 2
D
S2
D
S3
D
S2
D
S2
9
(Am)1,→ Ar
• • •• • •
m→ A0~A7
Ar→ A8~A16
9
(BC)1→ gr
g = 110 : Only the ↑ ↑ R P R •
flags change
Cr→ A0~A7
Br→ A8~16
12
(00m)g→ gr
↑ ↑ RP R •
g = 110 : Only the
flags change
m→ A0~A7
(00)→ A8~A16
(5)
(6)
12
(BC)_M→ (HL)_M
X ↑ XX ↑ X
Hl2→ 1→ Hl2
Br→ 1→ Br
Cr→ A0~A7
(6)
14 (Br ≠ 0)
(BC)1→ (HL)_M X S X X ↑ X
12 (BR =
0)
Q HL2→ 1→ HL8
Br-1→ Br
INI
11 101 101
10 100 010
D
S 2 12
Repeat Q until
Br = 0
Cr→ A0~A7
Br→ A8∼ A16
(BC)1→ (HL)_M
HL_R + 1→ HL_R
Br-1→ Br
Cr→ A0~A7
Br→ A8~A16
(5)
(6)
X ↑ XX ↑ X
(6)
UM005001-ZMP0400