English
Language : 

Z80180 Datasheet, PDF (242/326 Pages) Zilog, Inc. – Z8018x Family MPU
◁
Z8018x Family
MPU User Manual
226
Table 43. Block Transfer (Continued)
Operation
Name Mnemonics Op Code
Addressing
Immed Ext Ind Reg RegI Imp Rel Bytes States
CPI
11101101
10100001
SS
2 12
CPIR
11101101
10110001
SS
2 14
12
Flags
7 6 4 2 10
Operation
S Z H P/V N C
Ar-(HL)M
BCR-1→ BCR
HLR + 1→ HLR
BCR ≠ 0 Ar*(HL)M
BCR = 0 or Ar = (HL)M
Ar-(HL)M
Q
BCR-1→ BCR
HLR + 1→ HLR
↑↑ ↑↑
(3) (2)
↑↑ ↑↑
S•
S•
LDD
11 101 101
10 101 000
LDDR
11 101 101
10 111 000
Repeat Q until
Ar = (HL)M or BCR = 0
(2)
S/D
2 12
(HL)M → (DE)M
•• R ↑ R •
BCR -1→ BCR
DER-1→ DER
HLR-1→ HLR
S/D
2
14(BCR ≠ 0)
(HL)M → (DE)M • • R R R •
12(BCR = 0) Q
BCR -1 → BCR
DER -1 → DER
HLR -1 → HLR
LDI
11 101 101
10 100 000
LDIR
11 101 101
10 110 000
Repeat Q until
BCR = 0
(2)
S/D
2 12
(HL)M→ DE)R
•• R ↑ R •
BCR-1→ BCR
DER + 1→ DER
HLR + 1→ HLR
S/D
2
14(BCR≠0)
(HL)M→ (DE)M • • R R R •
12(BCR = 0) Q
BCR-1→ BCR
DER + 1→ DER
HLR + 1→ HLR
(2) P/V = 0: BCR-1 = 0
P/V = 1: BCR-1 ≠ 0
(3) Z = 1: Ar = (HL)M
Z = 0 :Ar ≠ (HL)M
Repeat Q until
BCR = 0
UM005001-ZMP0400
 ▷