Table 43. Block Transfer - ZiLOG Z8018 Series User Manual

Table 42. 16-Bit Load (Continued)
Operation
Name Mnemonics Op Code
Load LD (mn),HL 00 100 010
16-bit
<n>
Data
<m>
LD (mn),IX 11 011 101
00 100 010
<n>
<m>
LD (mn),IY 11 111 101
00 100 010
<n>
<m>
Table 43. Block Transfer
Operation
Name Mnemonics Op Code
Block
Transfer
CPD 11 101 101
Search
Data
10 101 001
CPDR 11 101 101
10 111 001
Addressing
Immed Ext Ind Reg RegI Imp Rel
D
D
D
Addressing
Immed Ext Ind Reg RegI Imp Rel
S S
S S
Family MPU User Manual
Bytes States Operation
S 3 16 Hr→(mn + 1)
Lr→(mn)
S 4 19 IXHr-(mn + 1)
IXLr→(mn)
S 4 19 IYHr→(mn + 1)
IYLr→(mn)
Bytes States Operation
2 12 Ar = (HL)
M
BC -1→BC
R
HL -1→HL
R
≠ 0 Ar ≠ (HL)
2 14 BC
R
12 BC = 0 or Ar = (HL)
R
Q
Repeat Q until
Ar = (HL)
M
Z8018x
Flags
7 6 4 2 1 0
S Z H P/V N C
• • • • • •
M
M
• • • • • •
M
M
• • • • • •
M
M
Flags
7 6 4 2 1 0
S Z H P/V N C
(3) (2)
↑ ↑ ↑ ↑ S •
R
(3) (2)
R
↑ ↑ ↑ ↑ S •
M
M
Ar-(HL)
R
BC -1-BC
R R
HL -1→HL
R R
or BC = 0 (3) (2)
R
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