Z380 Datasheet, PDF (56/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
EXCHANGE, BLOCK TRANSFER, BLOCK SEARCH GROUPS (Continued)
MICROPROCESSOR
Symbolic
Mnemonic Operation
Flags
P/
Opcode
# of Execute
S Z x H x V N C 76 543 210 HEX Bytes Time Notes
LDDR
CPI
CPIR
CPD
CPDR
LDIW
LDIRW
(DE) ← (HL)
DE ← DE-1
HL ← HL-1
BC(15-0) ← BC(15-0)-1
• • x 0 x 0 0 • 11 101 101 ED
(2)
10 111 000 B8
Repeat until BC = 0
A-(HL)
¤ ¤ x ¤ x V 1 • 11 101 101 ED
HL ← HL+1
BC(15-0) ← BC(15-0)-1
A-(HL)
(3)
(1)
10 100 001 A1
¤ ¤ x ¤ x 0 1 • 11 101 101 ED
HL ← HL+1
BC(15-0) ← BC(15-0)-1
(3)
(2)
10 110 001 B1
Repeat until A = (HL) or BC = 0
A-(HL)
¤ ¤ x ¤ x V 1 • 11 101 101 ED
HL ← HL-1
BC(15-0) ← BC(15-0)-1
A-(HL)
(3)
(1)
10 101 001 A9
¤ ¤ x ¤ x 0 1 • 11 101 101 ED
(3)
(2)
10 111 001 B9
HL ← HL-1
BC(15-0) ← BC(15-0)-1
Repeat until A = (HL) or BC = 0
(DE) ← (HL)
• • x 0 x V 0 • 11 101 101 ED
(DE+1) ← (HL+1)
(1)
11 100 000 E0
DE ← DE+2
HL ← HL+2
BC(15-0) ← BC(15-0)-2
(DE) ← (HL)
• • x 0 x 0 0 • 11 101 101 ED
(DE+1) ← (HL+1)
(2)
11 110 000 F0
DE ← DE+2
HL ← HL+2
BC(15-0) ← BC(15-0)-2
Repeat until BC = 0
2 (3+r+w)n N
2
3+r
N
2 (3+r)n
N
2
3+r
N
2 (3+r)n
N
2 (3+r+w)n N,L8(4)
2 (3+r+w)n N,L8(4)
PS010001-0301