000 gen SELECT
001 gen ADD
002 gen SUBTRACT
003 gen COPY
004 gen AUGMENT
005 gen TRANSFER
006 gen MULTIPLY
007 gen MULTIPLY and ADD
008 gen MULTIPLY and SUBTRACT
009 gen DIVIDE
010 gen SELECT LITERAL
011 gen ADD LITERAL
012 gen SUBTRACT LITERAL
016 gen MULTIPLY LITERAL
017 gen MULTIPLY LITERAL and ADD
019 gen DIVIDE LITERAL
020 gen SELECT F/Point
021 gen ADD F/Point
022 gen SUBTRACT F/Point
023 gen COPY F/Point
024 gen AUGMENT F/Point
025 gen TRANSFER F/Point
026 gen MULTIPLY F/Point
029 gen DIVIDE F/Point
030 gen SHIFT (A) BY QUARTETS
032 gen SHIFT (AB) BY QUARTETS
031 gen SHIFT (A) BY BITS
033 gen SHIFT (AB) BY BITS
034 gen SET (N) IN B
035 gen PREPARE FOR DIGIT COLLATION
036 gen COLLATE AND ADD
037 gen REPLACE SELECTED BITS
038 gen ROUND OFF
039 gen ROUND UP
040 gen OPEN FILE
045 gen REWIND
041 gen CLOSE FILE
042 gen INPUT
043 gen OUTPUT
044 gen SET/SELECT REEL COUNTER
048 gen STEP BACK
049 gen STEP FORWARD
046 gen RUN BACK
047 gen RUN ON
051 gen UNPACK VARIABLE FIELD DATA
050 gen UNPACK FIXED FIELD DATA
052 gen EDIT
053 gen CONDENSE
054 gen BULK CLEAR
055 gen BULK COPY
056 gen TABLE LOOKUP
057 gen MERGE CONSTANT LENGTH ITEMS
058 gen MERGE VARIABLE LENGTH ITEMS
059 gen SET MODIFICATION REGISTER FOR MERGE
060 gen SET DECIMAL RADIX
061 gen SET STERLING RADIX
062 gen SET EXCESS CONSTANTS
063 gen CONVERT DECIMAL TO STERLING
064 gen CONVERT STERLING TO DECIMAL
065 gen CONVERT
066 gen SET UP FOR SIGNIFICANT DIGIT FLOATING POINT ARITHMETIC
067 gen SET UP FOR NORMALISED FLOATING POINT ARITHMETIC
070 gen JUMP IF A == 0
071 gen JUMP IF A != 0
072 gen JUMP IF A >= 0
073 gen JUMP IF A < 0
074 gen JUMP IF AB == 0        // 27, 1, 0
075 gen JUMP IF AB != 0
076 gen JUMP unconditional
077 gen JUMP IF A* == 0
078 gen JUMP IF A* != 0
079 gen JUMP IF A* >= 0
080 gen ENTER SUBROUTINE
081 gen START OF SUBROUTINE
082 gen END OF SUBROUTINE / LEAVE SUBROUTINE
083 gen SET SWITCH(ES) AT LITERAL VALUE
084 gen SET SWITCH(ES) AT VARIABLE VALUE
085 gen SWITCH R
086 gen SELECT SWITCH R
087 gen SWITCH ACCORDING TO N
090 gen SET MODIFICATION REGISTER AT LITERAL
091 gen SET MODIFICATION REGISTER AT VARIABLE
092 gen SET MODIFIER AT VARIABLE
093 gen SET (N) AS MODIFIER
097 gen STEP ON AND TEST MODIFICATION REGISTER (VARIABLE)
094 gen STEP ON AND TEST MODIFICATION REGISTER (LITERAL)
095 gen SELECT MODIFICATION REGISTER
096 gen SELECT MODIFIER
098 gen ADD MODIFICATION REGISTER TO A
099 gen SUBTRACT MODIFICATION REGISTER FROM A
140 gen CLEAR AB
141 gen DOUBLE LENGTH ADD
142 gen DOUBLE LENGTH SUBTRACT
143 gen DOUBLE LENGTH COPY
145 gen DOUBLE LENGTH TRANSFER
146 gen DOUBLE LENGTH MULTIPLY
147 gen DOUBLE LENGTH MULTIPLY and ADD
148 gen DOUBLE LENGTH MULTIPLY and SUBTRACT
150 gen OFFER OPTIONS
151 gen UNLOAD PROGRAMME
152 gen OVERLAY
153 gen SELECT DATE TO A, TIME TO B
154 gen COMMENT IN LOG
155 gen SELECT PROGRAM SERIAL TO A
156 gen RELEASE ROUTE(S) ALLOCATED TO FILE B
157 gen EXPAND
158 gen COMPARE