Zilog EZ80F916 User Manual

Page 69

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eZ80

®

CPU

User Manual

UM007715-0415

CPU Instruction Set

60

BIT

b,s

Z  ~s[b]

(HL)

CB 46–7E

X * 1

X

0 —

(IX/Y+d) DD/FD CB dd

46–7E

r

CB 40–7F

CALL

cc,Mmn

if cc {

(SP)

 PC

PC  Mmn

}

C4–FC

— — — — — —

CALL

Mmn

(SP)

 PC

PC  Mmn

CD

— — — — — —

CCF

C  ~C

3F

— — *

0 *

CP

A,s

A – s

(HL)

BE

* * *

V

1 *

ir

DD/FD BC–BD

(IX/Y+d) DD/FD BE dd

n

FE

r

B8–BF

CPD

A–(HL)

HL  HL – 1

BC  BC – 1

ED A9

* * *

*

1 —

CPDR

repeat {

A–(HL)

HL  HL – 1

BC  BC – 1

} while (~Z and BC  0)

ED B9

* * *

*

1 —

Table 37. Instruction Summary (Continued)

Instruction and Operation

Address Mode

Opcode(s)
(Hex)

Flags Affected

Dest Source

S

Z

H

P/V

N

C

Note: *This flag value is a function of the result of the affected operation.

— = No Change.

0 = Set to 0.

1 = Set to 1.

V = Set to 1 if overflow occurs.

X = Undetermined.

P = Set to the parity of the result (0 if odd parity, 1 if even parity).

IEF2 = The value of Interrupt Enable Flag 2.

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