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PD780C Datasheet(PDF) 15 Page - NEC

Part # PD780C
Description  HIGH·PERFORMANCE CP/M® ·COMPATIBLE NMOS 8·BIT MICROPROCESSOR
PDF  24 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

PD780C Datasheet(HTML) 15 Page - NEC

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Instruction Set (cont)
Mnemonic
1M
0
1M
1
1M
2
IN A, (n)
IN r, (C)
INC (HL)
INC IX
INC (IX
+ d)
INC IV
INC (IV
+ d)
INC r
INC
55
INO
INOR
INI
INIR
jp (HL)
jp (IX)
jp
(IY)
Operation
A'" (n)
r'" (C)
(HL) ..... (HL) +
1
IX'" IX +
1
(IX + d) ... (IX + d) +
1
IV'" IV
+1
(IV
+ d) ... (IV + d) +1
r - r +
1
55 ... 55 +1
(HL) - (C)
8 - 8'
-
1. HL - HL -1
(HL)'" (C)
8-8- 1
HL - HL -
1until 8
=
0
(HL) - (C)
8-8
-
1, HL ... HL
+ 1
(HL)'" (C)
8-8-1
HL ... HL +
1until B
=
0
PC - HL
PC -IX
PC
-IV
Description
Set interrupt mode
0
Set interrupt mode
1
Set interrupt mode
2
Load ACC with in put from device n
Load Reg. r with input from device
(C)
Increment location (HL)
Increment IX
Increment location (IX + d)
Increment IV
Increment location (IV + d)
Increment Reg. r
Increment Reg. pair
55
Load location (HL) with input from port (Cl.
decrement H Land
8
Load location (HL) with input from port
(e),
decrement HL and decrement
8,
repeat until
8
=
0
Load location (HL) with input from port (C),
and increment HL and decrement
8
Load location (HL) with input from port (C),
increment HL and decrement 8,
repeat until
8
=
0
Unconditional jump to (HL)
Unconditional jump to (IX)
Unconditional jump to (IV)
OperaUon Code
7 8 5
4
3 2 1 0
1
o
1
o
1
o
10 1
o 00
101
010
10
o 1
o
o
o 1
10
o 1
10
o 1
10
nnn nnnnn
1
o
o 0
o
101 (I)
r r rOO
0
o
o 0
1101110
o 0 1000
110 1 1101
001 10100
d d d d d d d d
11
o 0
1110
o 001
11 111101
00 110100
d d d d d d d d
o 0 r r rIO0(8)
00 5 5 001 1 (A)
1
o
1
o
1
o
1
o
o
101
o
010
o
101
1 010
o 1101
o 0010
o 1101
10010
o 100
o 1 10
10 00
1 10
o
00
No. of
No. of
Cloclai
Byles
8
2
8
2
8
2
11
2
12
2
11
10
2
23
3
10
2
23
3
4
6
16
2
21
2
16
2
21
2
4
8
2
8
2
C
•
•
Flags
Z
PlY S
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• • •
N
H
• •
• •
• • • • • •
• • • • • •
•
P
o
•
v
o
• • • • • •
•
v
o
• • • • • •
•
v
•
v
• • •
•
:(3) X
•
X
•
;(3) X
•
X
• • •
• • •
• • •
o
o
• • •
X
X
X
X
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X
X
X
• • •
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