Zilog Z80180 Bedienungsanleitung PDF herunterladen (Seite 241)

Z8018x

Family MPU User Manual

UM005003-0703

225

Load

16-bit

Data

LD (mn),HL 00 100 010 D S 3 16 Hr®(mn + 1)

M

···· ··

<n> Lr®(mn)

M

<m>

LD (mn),IX 11 011 101 D S 4 19 IXHr-(mn + 1)

M

···· ··

00 100 010 IXLr®(mn)

M

<n>

<m>

LD (mn),IY 11 111 101 D S 4 19 IYHr®(mn + 1)

M

···· ··

00 100 010 IYLr®(mn)

M

<n>

<m>

Table 43. Block Transfer

Operation

Name Mnemonics Op Code

Addressing

Bytes States Operation

Flags

76 42 10

Immed Ext Ind Reg RegI Imp Rel S Z H P/V N C

Block

Transfer

Search

Data

(3) (2)

CPD 11 101 101 S S 2 12 Ar = (HL)

M

  S ·

10 101 001 BC

R

-1®BC

R

HL

R

-1®HL

R

(3) (2)

CPDR 11 101 101 S S 2 14 BC

R

¹ 0 Ar ¹ (HL)

M

  S ·

10 111 001 12 B C

R

= 0 or Ar = (HL)

M

Ar-(HL)

R

Q BC

R

-1-BC

R

HL

R

-1®HL

R

Repeat Q until

Ar = (HL)

M

or BC

R

= 0 (3) (2)

Table 42. 16-Bit Load (Continued)

Operation

Name Mnemonics Op Code

Addressing

Bytes States Operation

Flags

7642 10

Immed Ext Ind Reg RegI Imp Rel S Z H P/V N C

1 2 ... 236 237 238 239 240 241 242 243 244 245 246 ... 325 326

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