Table 46. i/o instructions (continued) – Zilog Z80180 User Manual

Page 250

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Z8018x
Family MPU User Manual

234

UM005003-0703

OTIMR**

11 101 101

S

D

2

16 (Br

¹ 0)

(HL)

M

®(00C)

I

HL

R

+ 1

®HL

R

Q

Cr + 1

®Cr

Br-1

®Br

R S

R S

­

R

10 010 011

14 (Br = 0)

Repeat Q until

Br = 0

Cr

®A0~A7

00

®A8~A16

(5)

(6)

OUTD

11 101 101

S

D

2

12

(HL)

M

®(BC)

1

X

­

X X

­

X

10 101 011

HL

R

-1

®HL

R

Br-1

®Br

Cr

®A0~A7

Br

®A8~A16

(5) Z = 1 : Br-1 = 0

Z = 0 : Br-1

¹ 0

(6) N = 1: MSB of Data = 1

N = 0 : MSB of Data = 0

Table 46. I/O Instructions (Continued)

Operation
Name

Mnemonics

Op Code

Addressing

Bytes States

Operation

Flags

7

6

4 2

1

0

Immed Ext Ind Reg RegI Imp Rel

S

Z

H P/V N

C

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