Z380 View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z380

MICROPROCESSOR

Zilog 

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

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