14
nBD
U13-18
74155
1-of-8
decoder
9
BY0
10
BY1
11
BY2
12
BY3
BD
3
A1
15
2
nAD
7
AY0
6
AY1
5
AY2
4
AY3
A0
nAD
13
1
2
A5
U13-19
ROM7
3301
256*4
9
Y3
10
Y2
11
Y1
12
Y0
A4
A6
15
A7
14
E2
13
E1
3
1
6
A1
A0
A2
4
A3
5
7
MICROCODE
BUS
4 of
470
14
nBD
U13-10
74155
1-of-8
decoder
9
BY0
10
BY1
11
BY2
12
BY3
BD
3
A1
15
2
nAD
7
AY0
6
AY1
5
AY2
4
AY3
A0
nAD
13
1
2
A5
U13-20
ROM8
3301
256*4
9
Y3
10
Y2
11
Y1
12
Y0
A4
A6
15
A7
14
E2
13
E1
3
1
6
A1
A0
A2
4
A3
5
7
4 of
470
2
A5
U13-21
ROM6
3301
256*4
9
Y3
10
Y2
11
Y1
12
Y0
A4
A6
15
A7
14
E2
13
E1
3
1
6
A1
A0
A2
4
A3
5
7
2
A5
U13-23
ROM9
3301
256*4
9
Y3
10
Y2
11
Y1
12
Y0
A4
A6
15
A7
14
E2
13
E1
3
1
6
A1
A0
A2
4
A3
5
7
N13A.H
nRDM
N13A.11
nQTR
nTQ6
N13A.5
nUTR
N13A.E
nPTR
N13A.6
nTRE
N13A.7
nWTM
N13A.3
nTTX
N13A.D
nTTP
nTTQ
N13A.15
nBCD
N13A.8
nTBE
N13B.B
IQN
N13B.1
AC0
N13B.8
AC1
N13A.L
nXTR
N13B.K
nTTM
N13B.9
nTTT
N13B.L
SC0
N13B.10
SC1
12
13
U13-1
2
1
U13-1
N13B.M
AC2
N13B.2
470
N13A.N
N13A.10
BRC
N14A.H
N14A.4
N14A.J
N14A.F
N14A.T
NT.6
33
10
8
U14-18
N14A.C
MCDIS
N14A.M
N14B.F
N12A.H7
12
11
U12-19
13
nOTx
nMIx
10
8
U12-10
9
N23A.W19
N23A.21
N23A.V
(N22A.X)
3 of
2.2K
N14A.L
N12A.L10
330
N14A.S
BCD
N14A.8
N14B.A
N14B.B
N14B.J
N14B.11
QAB
FPAB
N12B.7
N12B.H
N12B.F6
N12B.E5
2
A5
U13-22
ROM5
3301
256*4
9
Y3
10
Y2
11
Y1
12
Y0
A4
A6
15
A7
14
E2
13
E1
3
1
6
A1
A0
A2
4
A3
5
7
N13B.F
CC8
N13B.6
CC4
N13B.H
CC2
N13B.7
CC1
4 of
470
(N23A.7)
(N02.8)
(N22A.6)
(N23A.H)
(N02.1)
(N22A.H)
2
3
U83-7
12
13
U83-9 11
1
SC=01
N23A.M
SC0
SC1
(N02.A)
(N22A.M)
(N02.2)
MTS
HP 9830 Computer
Section: CPU Microcode Controls
Page: P3
Rendition: 2014 Dec 26
RC0
RC1
RC2
XC0
XC2
XC1
5
6
U83-7
4
10
8
U83-7
4
5
U83-9 6
9
TTS
SC1
SC0
SC=10
nTTS
9
NOP
ZTR
U13-2
74H101
6
Q
8
nQ
J
Cn
nR
5
13
2
1
4
3
U13-1
K
3
4
9
10
12
11
Q11
N13A.9
N13A.4
N14A.K
N14A.D
RCK
A/B Select
AB
nAB
CPU MICROCODE ENGINE
Assembly 13
T REGISTER
Assembly 83