Exchange, Block Transfer And Search Group - Sharp mz-800 Technical Reference And User's Manual

- - - Exchange, Block Transfer and Search Group---
flags opcode
mnemonic operation bytes
c
z
P!V
s
N H 76 543 210
EX DE,HL
DE-HL
• • • • • •
11 101 011
1
EX AF,AF' AF-AF'
• • • • • •
00 001 000 1
EXX
("c) ("c)
• • • • • •
11 011 001 1
DE ...... DE'
HL HL'
EX (SP),HL H++(SP+l) ·
• • • • • •
11 100 011 1
L++(SP)
EX (SP),IX
IXH++(SP+l)
• • • • • •
11 011 101 2
IXL ++(SP)
11 100 011
EX (SP),IY
IYH++(SP+l)
• • • • • •
11 111 101
2
IYL ++(SP)
11 100 011
CD
LDI (DE)+-(HL)
• •
t
•
0 0
11 101 101
2
DE+-DE+1
10 100 000
HL+-HL+1
BC+-BC-1
LDIR (DE)+-(HL)
• •
0
•
0 0 11 101 101
2
DE+-DE+1
10 110 000 2
HL+-HL+1
BC+-BC-1
repeats to
BC=O
CD
LDD (DE)+-(HL)
• •
t
•
0 0 11 101 101 2
DE+-DE-1
10 101 000
HL+-HL-1
BC--BC-1
LDDR (DE)+-(HL)
• •
0
•
0 0 11 101 101 2
DE+-DE-1
10 111 000 2
HL+-HL-1
BC +-BC-1
repeats to
BC=O
® CD
CPI
A-(HL)
•
t t t
1
t
11 101 101
2
HL<-HL+1
10 100 001
BC--BC-1
Notes:CD indicates that the P/V flag is set to 0 for BC-1=0 and other cases to 1.
®
indicates that the Z flag is set to 1 for A= (HL) and other cases to 0.
144
No. No.
of M ofT
comments
cycles cycles
1
4
1
4
1 4
Each value in register
pairs is exchanged with
the value in aux. register
pairs.
5 19
6 23
6 23
4
16
5
21
for BCI=O
4
16
for BC=O
4 16
5 21 for BCo~=O
4
16
for BC=O
4 16