6
13
12
11
U14
-15
13
12
11
2
1
3
U14
-15
2 U14-14
4
1
5
N14A.7
nTTX
470
nTRE
nTBE
nTTXT
n(LIx+MIx)
NT.A
N14A.10
9
CSn
U14-4
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
12
D0
U14-6
7491
13
Q7
14
nQ7
D0
11
Cp
9
9
CSn
U14-5
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
4
6
U14-17
5
13
11
U14-8
12
SCK
10
8
U14-8
9
A0
TBUS
TBUS
BCD1
BCD2
BCD3
nXTR
BCD
RCK
nUTR
ATR
HP 9830 Computer
Section: CPU Registers & T Control
Page: P4
Rendition: 2014 Dec 26
A Register
AB
nAB
nTTXENB
A1
A2
A3
NT.C
U14-16
10
8
9
U14-16
5
DS1
U14-9
9328
8-bit shift
register
3
Q7
2
nQ7
DS0
6
nR
1
4
S
9
Cp
7
Cp
12
DS1
U14-9
9328
8-bit shift
register
14
Q7
15
nQ7
DS0
11
nR
(1)
13
S
(9)
Cp
10
Cp
2
3
U14-17
1
SCK
9
10
8
U14
-15
5
4
6
2
3
1
TBUS
B0
BTR
B Register
U14-16
U14-16
3
9
CSn
U14-1
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
13
11
U14-7
12
9 U14-14
12
10
8
13
SCK
nTRE
2
3
U14-8
1
TBUS
T0
4
6
U14-8
5
5
6
U14-7
4
2
3
U14-7
1
nTBE
E0
ETR
10
13
12
10
11
TBUS
U83-2 8
2
1
T0
4
5
3
T0
9
9
8
4
5
6
nRDM
13
12
11
nWTM
TRI
nTTT
nTTT
nEDT
nEDT
TTS
13
12
11
U83-7
1
2
U83-9
10
9
U83-9 8
SCK
TSC
nTTT
nEDT
XIN
T Register Controls
E Register
nTTS
U83-1
U83-1
U83-1
N13A.T
5
DS1
U14-10
9328
8-bit shift
register
3
Q7
2
nQ7
DS0
6
nR
1
5
6
U14-18
4
4
S
9
Cp
7
Cp
12
DS1
U14-10
9328
8-bit shift
register
14
Q7
15
nQ7
DS0
11
nR
(1)
13
S
(9)
Cp
10
Cp
SCK
13
11
U14-18
12
nPTR
TBUS
P0
N14A.U
nTTP
P Register
10
8
U14-17
9
?
?V
9 of
0.01
N14A.B2
N14A.A1
B.R14
B.S15
CPU REGISTERS & ALU
Assembly 14
T REGISTER
Assembly 83