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Control Data 6000 series
Peripheral Processor instruction set

Instruction Operation Variable Description Clock
cycles
00x Pass   Pass1
01d m LJM m,d Long jump to address m+(d)3
02d m RJM m,d Return jump to address dm
(m+(d))= P+2; P=m+(d)+1
4
03r UJN r Unconditional relative (fwd/bkwd) jump to P+r 1
04r ZJN r Relative jump on zero 1
05r NJN r Relative jump on non-zero 1
06r PJN r Relative jump on >= 01
07r MJN r Relative jump on < 01
10r SHN r Shift left circular (+r) or right end-off (-r)1
11d LMN d Logical difference (A)-d to A1
12d LPN d Logical product (A)*d to A1
13d SCN d Selective clear each d bit set in A to A1
14d LDN d Load d to A1
15d LCN d Load complement d to A 1
16d ADN d Add (A)+d to A1
17d SBN d Subtract (A)-d to A1
20d m LDC dm Load constant dm to A 2
21d m ADC dm Add constant dm+(A) to A2
22d m LPC dm Logical product constant dm*(A) to A2
23d m LMC dm Logical difference (A)-constant dm to A2
2400 PSN   Pass (no-op)3
24d LRD d Load (R) from d and d+1 (relocate register)
Cyber 8X5 series only
3
25d SRD d Store (R) to d and d+1 (relocate register)
Cyber 8X5 series only
4
260d EXN, ETN d Exchange jump CPU d unconditional to (A)
non-Cyber 76/176 models
2
261d MXN d Monitor exchange jump CPU d to (A)
Cyber 76/176 models only
2
262d MAN d Monitor exchange jump CPU d to (MA)
non Cyber 76/176 models
2
270d RPN d Read program address CPU d to A1
30d LDD d Load (d) to A2
31d ADD d Add (A)+(d) to A2
32d SBD d Subtract (A)-(d) to A2
33d LMD d Logical difference (A)-(d) to A2
34d STD d Store (A) to d2
35d RAD d Replace add (d)+(A) to A and d4
36d AOD d Replace add one (d)+1 to A and d5
37d SOD d Replace substract one (d)-1 to A and d5
40d LDI d Load ((d)) to A3
41d ADI d Add (A)+((d)) to A3
42d SBI d Subtract (A)-((d)) to A3
43d LMI d Logical difference (A)-((d)) to A3
44d STI d Store (A) to (d)3
45d RAI d Replace add ((d))+(A) to A and (d)5
46d AOI d Replace add one ((d))+1 to A and (d)6
47d SOI d Replace substract one ((d))-1 to A and (d)6
50d LDM m,d Load (m+(d)) to A4
51d ADM m,d Add (A)+(m+(d)) to A4
52d SBM m,d Subtract (A)-(m+(d)) to A4
53d LMM m,d Logical difference (A)-(m+(d)) to A4
54d STM m,d Store (A) to m+(d)4
55d RAM m,d Replace add (m+(d))+(A) to A and m+(d) 6
56d AOM m,d Replace add one (m+(d))+1 to A and m+(d) 7
57d SOM m,d Replace substract one (m+(d))-1 to A and m+(d) 7
60d m FIM m,d Jump to m on input word flag on channel d
Cyber 76/176 models only
?
60d CRD d Central read from (A) to d (up to d+4)
non-Cyber 76/176 models
12
61d m EIM m,d Jump to m if no input word on channel d
Cyber 76/176 models only
?
61d m CRM d Central read (d) words from (A) to m (up to m+d-1)
non-Cyber 76/176 models
7+(d)*5
62d m IRM m,d Jump to m on input record flag on channel d
Cyber 76/176 models only
?
62d CWD d Central write from d (up to d+4) to (A)
non-Cyber 76/176 models
6
63d m NIM m,d Jump to m if no input record flag on channel d
Cyber 76/176 models only
?
63d m CWM m,d Central write (d) words from m to (A) up to (A)+(d)-1
non-Cyber 76/176 models
6+(d)*5
644d m SCF m,d Jump to m if d flag set
Cyber 8X5 series only
?
64d m FOM m,d Jump to m on output word flag on channel d
Cyber 76/176 models only
2
64d m AJM m,d Jump to m if channel d is active
non-Cyber 76/176 models
?
654d m CCF m,d Clear channel d flag
Cyber 8X5 series only
?
65d m EOM m,d Jump to m if no output word flag on channel d
Cyber 76/176 models only
?
65d m IJM m,d Jump to m if channel d is inactive
non-Cyber 76/176 models
2
664d m SFM m,d Jump to m if channel d error flag set
Cyber 8X5 series only
?
66d m ORM m,d Jump to m on output record flag on channel d
Cyber 76/176 models only
?
66d m FJM m,d Jump to m if channel d is full
non-Cyber 76/176 models
2
674d m CFM m,d Jump to m if channel d error flag clear
Cyber 8X5 series only
2
67d m NOM m,d Jump to m if no output record flag on channel d
Cyber 76/176 models only
?
67d m EJM m,d Jump to m if channel d is empty
non-Cyber 76/176 models
2
70d IAN d Input from channel d to A2
71d m IAM m,d Input (A) words from channel d to m min. 5+(A)*1
72d OAN d Output (A) to channel d2
73d m OAM d Output (A) words on channel d from m min. 5+(A)*1
74d RFN d Send record flag to channel d
Cyber 76/176 models only
?
74d ACN d Activate channel d2
75d DCN d Disconnect channel d2
76d FAN d Function (A) on channel d2
77d m FNC m,d Function m on channel d
non-Cyber 76/176 models
2
7700 ESN   Error stop
Cyber 76/176 models only
?

 

Legenda  
dm 18 bit constant = upper 6 bits=d; lower 12 bits=m
() contents of
(d) contents of lower PP cell d
((d)) indirect: contents of the address depicted by
the contents of lower PP cell d
r 6 bit relative value (sign=bit 5)

 

Virtual state 16/32 bit PP instructions

Instruction Operation Variable Description Clock
cycles
1022d LPDL d Logical product (d) long to A 
1023d LPIL d Logical product ((d)) long to A 
1024d m LPML d, m Logical product (m+(d)) long to A 
1026d INPN d Interrupt processor on memory port d  
1030d LDDL d Load (d) long to A 
1031d ADDL d Add (d) long +(A) to A 
1032d SBDL d Subtract (A)-(d) long to A 
1033d LMDL d Logical difference (d) long to A 
1034d STDL d Store (A) to d long 
1035d RADL d Replace add (d) long  
1036d AODL d Replace add one (d) long 
1037d SODL d Replace subtract one (d) long 
1040d LDIL d Load ((d)) long to A 
1041d ADIL d Add ((d)) long +(A) to A 
1042d SBIL d Subtract (A)-((d)) long to A 
1043d LMIL d Logical difference ((d)) long to A 
1044d STIL d Store (A) to (d) long  
1045d RAIL d Replace add ((d)) long  
1046d AOIL d Replace add one ((d)) long 
1047d SOIL d Replace subtract one ((d)) long 
1050d m LDML d,m Load (m+(d)) long to A 
1051d m ADML d,m Add (A)+(m+(d)) long to A 
1052d m SBML d,m Subtract (A)-(m+(d)) long to A 
1053d m LMML d, m Logical difference (m+(d)) long to A 
1054d m STML d,m Store (m+(d)) long 
1055d RAML d Replace add (m+(d) long  
1056d AOML d Replace add one (m+(d)) long 
1057d SOML d Replace subtract one (m+(d)) long 
1060d CRDL d Central read from (A) to d long 
1061d m CRML d,m Central read (d) words from (A) to m long 
1062d CWDL d Central write to (A) from d long 
1063d m CWML d,m Central write (d) words to (A) from m long 
10640 cm FSJM m,c Jump to m if channel c flag set 
1065x cm FCJM m,c Jump to m if channel c flag clear 
10710 cm IAPM m,c Input (A) words to m from channel c packed 
10730 cm OAPM m,c Output (A) words from m from channel c  
Logical operations



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