z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 242
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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Table 43.
UM005003-0703
Operation
Name
(2) P/V = 0: BC
(3) Z = 1: Ar = (HL)
Z8018x
Family MPU User Manual
P/V = 1: BC
Z = 0 :Ar ¹ (HL)
Mnemonics Op Code
CPI
CPIR
LDD
LDDR
LDI
LDIR
R
Block Transfer (Continued)
-1 = 0
M
R
-1 ¹ 0
11101101
10100001
11101101
10110001
11 101 101
10 101 000
11 101 101
10 111 000
11 101 101
10 100 000
11 101 101
10 110 000
M
Immed Ext Ind Reg RegI Imp Rel
Addressing
S
S
S/D
S/D
S/D
S/D
S
S
Bytes States
2
2
2
2
2
2
12
14
12
12
14(BC
12(BC
12
14(BC
12(BC
R
R
R
R
¹0)
¹ 0)
= 0)
= 0)
Operation
Ar-(HL)
BC
HL
BC
BC
Q
Repeat Q until
Ar = (HL)
(HL)
BC
DE
HL
Q
Repeat Q until
BC
(HL)
BC
DE
HL
Q
Repeat Q until
BC
R
R
R
R
R
R
R
R
R
R
R
R
-1®HL
M
M
-1®BC
-1®DE
-1®BC
+ 1®HL
+ 1®HL
= 0 or Ar = (HL)
-1®BC
= 0
+ 1®DE
= 0
¹ 0 Ar*(HL)
®DE)
® (DE)
M
(HL)
BC
DE
HL
(HL)
DE
BC
HL
M
Ar-(HL)
BC
HL
or BC
R
R
R
R
R
R
R
R
R
R
R
M
R
R
R
M
R
-1 ® HL
R
-1 ® BC
-1 ® DE
-1®BC
R
M
+ 1®DE
+ 1®HL
-1®BC
® (DE)
®(DE)
+ 1®HL
M
M
R
= 0
M
R
M
R
R
M
R
R
R
R
R
7 6
S Z
· ·
· ·
· ·
· ·
(3)
4 2
H P/V N C
R
R R
R
R R
Flags
(2)
(2)
(2)
1 0
S ·
S ·
R ·
R ·
R ·
R ·
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