PD780 datasheet(23/24 Pages) NEC

23 / 24 page

Instruction Set (cont)

�

Operallon Code

No.

01 No. 01

Flags

Mnemonic

Operation

Description

7 6 5 � 3 2 1 0

Clocks

Bytes

PlY

SET b, (IV + d)

(IV + d)b - 1

Set Bit b of location (IV + d)

1 1 1 1 1 1 o 1 (E)

• • • • • •

1 1 o 0

1 o 1 1

d d d d d d d d

1 1 b b b 1 1 0

SET b, r

rb - 1

Set Bit b of Reg. r

o 0 1 0 1 1

(S)

• • • • • •

b b b

r r r

SLA r

Shill Reg. r lell arithmetic

1 1 o 0 1 0

(S)

0 0

o 0 1 o 0

r r r

SLA (HL)

�

Shill lac. (HL) lell arithmetic

1 1 o 0 1 0

0 0

o 0 1 o 0 1

SLA (IX + d)

m = r, (HL). (IX + d), (IV + d)

Shill lac. (IX + d) lell arithmetic

1 1 0 1 1 1 0 1

0 0

1 1 o 0 1 o 1 1

d d d d d d d d

o 0 1 o 0 1 1 0

SLA (IV + d)

Shill lac. (IV + d) lell arithmetic

1 1 1 1 1 1 0 1

0 0

1 1 o 0 1 0 1 1

d d d d d d d d

o 0 1 00 1 1 0

SRA r

Shill Reg. r right arithmetic

1 1 o 0 0

(S)

0 0

o 0 1 0

r r r

SRA (HL)

�

Shill loc. (HL) right arithmetic

1 1 o 0 0 1 1

0 0

o 0 1 0

1 1 0

SRA (IX + d)

r, (HL), (IX + d), (IV + d)

Shill lac. (IX + d) right arithmetic

1 1 0 1 1 1 0

0 0

1 1 o 0 1 0 1

d d d d d d d d

o 0 1 0 1 1 1 0

SRA (IV + d)

Shill loc. (IV + d) right arithmetic

1 1 1 1 1 1 0 1

0 0

1 1 o 0 1 0 1 1

d d d d d d d d

o 0 1 0 1 1 1 0

SRL r

Shill Reg. r right logical

1 1 o 0 1 0 1 1

(S)

0 0

o 0 1 1 1

r r r

SRL (HL)

O�

Shill loc. (HL) right logical

1 1 o 0 1 0

0 0

o 0 1 1 1 1

SRL (IX + d)

r, (HL), (IX + d), (IV + d)

Shill loc. (IX + d) right logical

1 1 0 1 1 1 0 1

0 0

1 1 o 0 1 0 1 1

1;:

d d d d d d d d

o 0 1 1 1 1 1 0

-..

.I>-

I\)

(J1

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